ROCK SPRINGS CAPITAL MANAGEMENT LP

HTTP://WWW.ROCKSPRINGSCAPITAL.COM/ • BALTIMORE, MD • Investment Advisor • Hedge Fund How do I update this listing?

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Rock Springs Capital Management is based out of Baltimore. Rock Springs Capital Management is a hedge fund with 6 clients and discretionary assets under management (AUM) of $5,884,695,405 (Form ADV from 2022-11-08). Their last reported 13F filing for Q4 2022 included $4,155,902,223 in managed 13F securities and a top 10 holdings concentration of 34.47%. Rock Springs Capital Management's largest holding is Humana, Inc. with shares held of 426,500. Rock Springs Capital Management has met the qualifications for inclusion in our WhaleScore system. Whalewisdom has at least 37 13F filings, 73 13G filings, and 11 Form 4 filings

12/31/2022

13F Activity

  • Market Value $4.156 Billion
  • Prior Market Value $3.872 Billion
  • New Purchases1 stock
  • Additional Purchases41 stocks
  • Sold out of9 stocks
  • Reduced holdings in25 stocks
  • Top 10 Holdings % 34.47 %
  • Turnover % [1]:8.33%
  • Turnover Alt % [2]: 3.93 %
  • Time Held Top20:7.40 quarters
  • Time Held Top10:5.60 quarters
  • Time Held All:13.72 quarters

[1]: Turnover is calculated by taking the # of new holdings (initial purchases) + the # of positions sold out of (not just reduced) divided by the total # of holdings for the quarter.

[2]: Alt Turnover is calculated by taking either the total MV of new purchases or the MV of securities sold, whichever is less, divided by the total MV of the fund.

12/31/2022

13F Sector Allocation Over Time

Portfolio Performance

Top 20 equal-weighted holdings. Performance numbers calculated through 2023-02-14

Performance for Q4 2022: 5.43%
Performance Last 4 Quarters: -4.57%
Performance Metrics
Stdev (5-yrs): Subscription required BETA (5-yrs): Subscription required ALPHA (3-yrs): Subscription required
Max Drawdown (all-years): Subscription required Annualized Perf (3-yrs): Subscription required Batting Avg vs S&P. (3-yrs): Subscription required
Sortino (3-yrs): Subscription required Stutzer (3-yrs): Subscription required Treynor (3-yrs): Subscription required
Sterling (3-yrs): Subscription required Calmar (3-yrs): Subscription required Information Ratio (3-yrs): Subscription required
Tracking Error (3 yrs): Subscription required Stdev Down (3-yrs): Subscription required Winning Months %: Subscription required
Losing Months %: Subscription required Best 12 Months: Subscription required Worst 12 Months: Subscription required
Efficiency Ratio (3-yrs): Subscription required Sharpe: Subscription required Stdev Sectors: Subscription required
Skewness (3-yrs): Subscription required Kurtosis (3-yrs): Subscription required Upside Potential (3-yrs): Subscription required
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*Shares are split adjusted

View Last Form Adv Compilation Report on Record

ROCK SPRINGS CAPITAL
Classified as Hedge Fund
650 S. EXETER STREET SUITE 1070
BALTIMORE MD    21202
Country: United States
Business Phone: 410-220-0130
Fax: 410-220-0144
Professional Investment Advisor Data
SEC Registration as : Large Advisory Firm
Form of Organization: Limited Partnership
Organized in: DE
Number of employees: 21
Other Business Activities: commodity pool operator or commodity trading advisor
Advisor Fees/Compensation: Percentage of assets under management,Performance-based fees
Amount of client funds and securities: 0
Total Number of Clients: 6
Amount of client funds and securities by related persons: 4,450,460,000
Total Number of clients from related persons: 6
Disclosures:
Data above was derived from SEC filings.

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Insider Transactions in the past year

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ROCK SPRINGS CAPITAL MANAGEMENT LP

ownership team - last updated 2022-11-08
Name Title Start Date Direct/Indirect % Ownership
ROCK SPRINGS CAPITAL LLC GENERAL PARTNER 03/01/2013 Direct less than 5%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP GENERAL PARTNER direct 2013-03-01
ETOH, NNAMDI, C CHIEF FINANCIAL OFFICER 01/01/2021 Direct less than 5%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL MANAGEMENT LP CONTROLLER direct 2016-10-01
BUSSARD, GORDON, MARGRAF ("MARK") MEMBER/LIMITED PARTNER 03/01/2013 Direct 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
MCPHAIL, GRAHAM, MORGAN MEMBER/LIMITED PARTNER 03/01/2013 Direct 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
JENNER, KRIS, HARLAN MEMBER/LIMITED PARTNER 03/01/2013 Direct 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
O'CONNOR, AIDAN, HUGH CHIEF COMPLIANCE OFFICER AND GENERAL COUNSEL 10/01/2022 Direct less than 5%
Fund Name Position direct/indirect start date end date
SB VISION ADVISERS US, INC. CHIEF COMPLIANCE OFFICER direct 2017-05-01
BUSSARD, GORDON, MARGRAF ("MARK") MEMBER ROCK SPRINGS CAPITAL LLC 03/01/2013 Indirect 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
MCPHAIL, GRAHAM, MORGAN MEMBER ROCK SPRINGS CAPITAL LLC 03/01/2013 Indirect 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
JENNER, KRIS, HARLAN MEMBER ROCK SPRINGS CAPITAL LLC 03/01/2013 Indirect 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01

Private Funds

Name Country Fund Identification Number Fund Type Gross Asset Value Minimum Investment Other
ROCK SPRINGS CAPITAL MASTER FUND LP Cayman Islands 805-2924811955 Hedge Fund 4,283,059,450 10,000,000 Master Fund
FOUR PINES MASTER FUND LP Cayman Islands 805-9398160219 Hedge Fund 167,400,689 10,000,000 Master Fund

ROCK SPRINGS CAPITAL MANAGEMENT LP

ownership team - last updated 2022-03-31
Name Title Start Date Direct/Indirect % Ownership
ROCK SPRINGS CAPITAL LLC GENERAL PARTNER 03/01/2013 Direct less than 5%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP GENERAL PARTNER direct 2013-03-01
ETOH, NNAMDI, C CHIEF FINANCIAL OFFICER 01/01/2021 Direct less than 5%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL MANAGEMENT LP CONTROLLER direct 2016-10-01
SEIDMAN, JILL, REYNOLDS CHIEF COMPLIANCE OFFICER AND GENERAL COUNSEL 07/01/2016 Direct less than 5%
Fund Name Position direct/indirect start date end date
CHESAPEAKE PARTNERS MANAGEMENT CO., INC. CHIEF COMPLIANCE OFFICER, CHESAPEAKE PARTNERS MANAGEMENT CO., INC. AND C P MANAGEMENT, L.L.C. direct 2010-11-01
ROCK SPRINGS CAPITAL MANAGEMENT LP CHIEF COMPLIANCE OFFICER AND GENERAL COUNSEL direct 2016-07-01
BUSSARD, GORDON, MARGRAF ("MARK") MEMBER/LIMITED PARTNER 03/01/2013 Direct 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
MCPHAIL, GRAHAM, MORGAN MEMBER/LIMITED PARTNER 03/01/2013 Direct 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
JENNER, KRIS, HARLAN MEMBER/LIMITED PARTNER 03/01/2013 Direct 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
BUSSARD, GORDON, MARGRAF ("MARK") MEMBER ROCK SPRINGS CAPITAL LLC 03/01/2013 Indirect 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
MCPHAIL, GRAHAM, MORGAN MEMBER ROCK SPRINGS CAPITAL LLC 03/01/2013 Indirect 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
JENNER, KRIS, HARLAN MEMBER ROCK SPRINGS CAPITAL LLC 03/01/2013 Indirect 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01

Private Funds

Name Country Fund Identification Number Fund Type Gross Asset Value Minimum Investment Other
ROCK SPRINGS CAPITAL MASTER FUND LP Cayman Islands 805-2924811955 Hedge Fund 4,283,059,450 10,000,000 Master Fund
FOUR PINES MASTER FUND LP Cayman Islands 805-9398160219 Hedge Fund 167,400,689 10,000,000 Master Fund

ROCK SPRINGS CAPITAL MANAGEMENT LP

ownership team - last updated 2021-03-31
Name Title Start Date Direct/Indirect % Ownership
ROCK SPRINGS CAPITAL LLC GENERAL PARTNER 03/01/2013 Direct less than 5%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP GENERAL PARTNER direct 2013-03-01
ETOH, NNAMDI, C CHIEF FINANCIAL OFFICER 01/01/2021 Direct less than 5%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL MANAGEMENT LP CONTROLLER direct 2016-10-01
SEIDMAN, JILL, REYNOLDS CHIEF COMPLIANCE OFFICER AND GENERAL COUNSEL 07/01/2016 Direct less than 5%
Fund Name Position direct/indirect start date end date
CHESAPEAKE PARTNERS MANAGEMENT CO., INC. CHIEF COMPLIANCE OFFICER, CHESAPEAKE PARTNERS MANAGEMENT CO., INC. AND C P MANAGEMENT, L.L.C. direct 2010-11-01
ROCK SPRINGS CAPITAL MANAGEMENT LP CHIEF COMPLIANCE OFFICER AND GENERAL COUNSEL direct 2016-07-01
BUSSARD, GORDON, MARGRAF ("MARK") MEMBER/LIMITED PARTNER 03/01/2013 Direct 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
MCPHAIL, GRAHAM, MORGAN MEMBER/LIMITED PARTNER 03/01/2013 Direct 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
JENNER, KRIS, HARLAN MEMBER/LIMITED PARTNER 03/01/2013 Direct 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
BUSSARD, GORDON, MARGRAF ("MARK") MEMBER ROCK SPRINGS CAPITAL LLC 03/01/2013 Indirect 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
MCPHAIL, GRAHAM, MORGAN MEMBER ROCK SPRINGS CAPITAL LLC 03/01/2013 Indirect 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
JENNER, KRIS, HARLAN MEMBER ROCK SPRINGS CAPITAL LLC 03/01/2013 Indirect 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01

Private Funds

Name Country Fund Identification Number Fund Type Gross Asset Value Minimum Investment Other
ROCK SPRINGS CAPITAL MASTER FUND LP Cayman Islands 805-2924811955 Hedge Fund 4,737,601,263 10,000,000 Master Fund
FOUR PINES MASTER FUND LP Cayman Islands 805-9398160219 Hedge Fund 106,783,194 10,000,000 Master Fund

ROCK SPRINGS CAPITAL MANAGEMENT LP

ownership team - last updated 2020-03-30
Name Title Start Date Direct/Indirect % Ownership

Private Funds

Name Country Fund Identification Number Fund Type Gross Asset Value Minimum Investment Other
FOUR PINES MASTER FUND LP Cayman Islands 805-9398160219 Hedge Fund 0 10,000,000 Master Fund
ROCK SPRINGS CAPITAL MASTER FUND LP Cayman Islands 805-2924811955 Hedge Fund 3,569,900,876 10,000,000 Master Fund

ROCK SPRINGS CAPITAL MANAGEMENT LP

ownership team - last updated 2019-04-17
Name Title Start Date Direct/Indirect % Ownership
LABEL, HALLIE, DINKELSPIEL CHIEF OPERATING OFFICER 09/01/2014 Direct less than 5%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL MANAGEMENT LP CHIEF OPERATING OFFICER direct 2014-09-01
ROCK SPRINGS CAPITAL LLC GENERAL PARTNER 03/01/2013 Direct less than 5%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP GENERAL PARTNER direct 2013-03-01
ETOH, NNAMDI, C CONTROLLER 10/01/2016 Direct less than 5%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL MANAGEMENT LP CONTROLLER direct 2016-10-01
SEIDMAN, JILL, REYNOLDS CHIEF COMPLIANCE OFFICER AND GENERAL COUNSEL 07/01/2016 Direct less than 5%
Fund Name Position direct/indirect start date end date
CHESAPEAKE PARTNERS MANAGEMENT CO., INC. CHIEF COMPLIANCE OFFICER, CHESAPEAKE PARTNERS MANAGEMENT CO., INC. AND C P MANAGEMENT, L.L.C. direct 2010-11-01
ROCK SPRINGS CAPITAL MANAGEMENT LP CHIEF COMPLIANCE OFFICER AND GENERAL COUNSEL direct 2016-07-01
BUSSARD, GORDON, MARGRAF ("MARK") MANAGING MEMBER/LIMITED PARTNER 03/01/2013 Direct 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
MCPHAIL, GRAHAM, MORGAN MANAGING MEMBER/LIMITED PARTNER 03/01/2013 Direct 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
JENNER, KRIS, HARLAND MANAGING MEMBER/LIMITED PARTNER 03/01/2013 Direct 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
BUSSARD, GORDON, MARGRAF ("MARK") MANAGING MEMBER ROCK SPRINGS CAPITAL LLC 03/01/2013 Indirect 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
MCPHAIL, GRAHAM, MORGAN MANAGING MEMBER ROCK SPRINGS CAPITAL LLC 03/01/2013 Indirect 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
JENNER, KRIS, HARLAND MANAGING MEMBER ROCK SPRINGS CAPITAL, LLC 03/01/2013 Indirect 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01

Private Funds

Name Country Fund Identification Number Fund Type Gross Asset Value Minimum Investment Other
ROCK SPRINGS CAPITAL MASTER FUND LP Cayman Islands 805-2924811955 Hedge Fund 2,418,712,705 10,000,000 Master Fund

ROCK SPRINGS CAPITAL MANAGEMENT LP

ownership team - last updated 2019-01-31
Name Title Start Date Direct/Indirect % Ownership
LABEL, HALLIE, DINKELSPIEL CHIEF OPERATING OFFICER 09/01/2014 Direct less than 5%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL MANAGEMENT LP CHIEF OPERATING OFFICER direct 2014-09-01
ROCK SPRINGS CAPITAL LLC GENERAL PARTNER 03/01/2013 Direct less than 5%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP GENERAL PARTNER direct 2013-03-01
ETOH, NNAMDI, C CONTROLLER 10/01/2016 Direct less than 5%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL MANAGEMENT LP CONTROLLER direct 2016-10-01
SEIDMAN, JILL, REYNOLDS CHIEF COMPLIANCE OFFICER AND GENERAL COUNSEL 07/01/2016 Direct less than 5%
Fund Name Position direct/indirect start date end date
CHESAPEAKE PARTNERS MANAGEMENT CO., INC. CHIEF COMPLIANCE OFFICER, CHESAPEAKE PARTNERS MANAGEMENT CO., INC. AND C P MANAGEMENT, L.L.C. direct 2010-11-01
ROCK SPRINGS CAPITAL MANAGEMENT LP CHIEF COMPLIANCE OFFICER AND GENERAL COUNSEL direct 2016-07-01
BUSSARD, GORDON, MARGRAF ("MARK") MANAGING MEMBER/LIMITED PARTNER 03/01/2013 Direct 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
MCPHAIL, GRAHAM, MORGAN MANAGING MEMBER/LIMITED PARTNER 03/01/2013 Direct 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
JENNER, KRIS, HARLAND MANAGING MEMBER/LIMITED PARTNER 03/01/2013 Direct 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
BUSSARD, GORDON, MARGRAF ("MARK") MANAGING MEMBER ROCK SPRINGS CAPITAL LLC 03/01/2013 Indirect 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
MCPHAIL, GRAHAM, MORGAN MANAGING MEMBER ROCK SPRINGS CAPITAL LLC 03/01/2013 Indirect 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
JENNER, KRIS, HARLAND MANAGING MEMBER ROCK SPRINGS CAPITAL, LLC 03/01/2013 Indirect 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01

Private Funds

Name Country Fund Identification Number Fund Type Gross Asset Value Minimum Investment Other
ROCK SPRINGS CAPITAL MASTER FUND LP Cayman Islands 805-2924811955 Hedge Fund 2,418,712,705 10,000,000 Master Fund

ROCK SPRINGS CAPITAL MANAGEMENT LP

ownership team - last updated 2017-03-31
Name Title Start Date Direct/Indirect % Ownership
LABEL, HALLIE, DINKELSPIEL CHIEF OPERATING OFFICER 09/01/2014 Direct less than 5%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL MANAGEMENT LP CHIEF OPERATING OFFICER direct 2014-09-01
ROCK SPRINGS CAPITAL LLC GENERAL PARTNER 03/01/2013 Direct less than 5%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP GENERAL PARTNER direct 2013-03-01
SEIDMAN, JILL, REYNOLDS CHIEF COMPLIANCE OFFICER AND GENERAL COUNSEL 07/01/2016 Direct less than 5%
Fund Name Position direct/indirect start date end date
CHESAPEAKE PARTNERS MANAGEMENT CO., INC. CHIEF COMPLIANCE OFFICER, CHESAPEAKE PARTNERS MANAGEMENT CO., INC. AND C P MANAGEMENT, L.L.C. direct 2010-11-01
ROCK SPRINGS CAPITAL MANAGEMENT LP CHIEF COMPLIANCE OFFICER AND GENERAL COUNSEL direct 2016-07-01
BUSSARD, GORDON, MARGRAF ("MARK") MANAGING MEMBER/LIMITED PARTNER 03/01/2013 Direct 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
MCPHAIL, GRAHAM, MORGAN MANAGING MEMBER/LIMITED PARTNER 03/01/2013 Direct 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
JENNER, KRIS, HARLAND MANAGING MEMBER/LIMITED PARTNER 03/01/2013 Direct 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
BRODY, ERIC, ANDREW VICE PRESIDENT--FINANCE AND OPERATIONS 07/01/2016 Direct less than 5%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL MANAGEMENT LP VICE PRESIDENT--FINANCE AND OPERATIONS direct 2016-07-01
BUSSARD, GORDON, MARGRAF ("MARK") MANAGING MEMBER ROCK SPRINGS CAPITAL LLC 03/01/2013 Indirect 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
MCPHAIL, GRAHAM, MORGAN MANAGING MEMBER ROCK SPRINGS CAPITAL LLC 03/01/2013 Indirect 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
JENNER, KRIS, HARLAND MANAGING MEMBER ROCK SPRINGS CAPITAL, LLC 03/01/2013 Indirect 25 - 50%
Fund Name Position direct/indirect start date end date
ROCK SPRINGS CAPITAL LP MANAGING DIRECTOR/LIMITED PARTNER direct 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER indirect 2013-03-01
ROCK SPRINGS CAPITAL MANAGEMENT LP MANAGING MEMBER/LIMITED PARTNER direct 2013-03-01

Private Funds

Name Country Fund Identification Number Fund Type Gross Asset Value Minimum Investment Other
ROCK SPRINGS CAPITAL MASTER FUND LP Cayman Islands 805-2924811955 Hedge Fund 1,586,306,592 10,000,000 Master Fund

WhaleScore history for ROCK SPRINGS CAPITAL MANAGEMENT LP

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