MAIN STREET RESEARCH LLC

HTTP://WWW.MS-RESEARCH.COM • SAUSALITO, CA • Investment Advisor How do I update this listing?

Main Street Research is based out of Sausalito. Main Street Research is a large advisory firm with 603 clients and discretionary assets under management (AUM) of $1,090,731,639 (Form ADV from 2020-07-01). Their last reported 13F filing for Q2 2020 included $635,586,000 in managed 13F securities and a top 10 holdings concentration of 37.27%. Main Street Research's largest holding is Procter & Gamble Co. (OH) (1905) with shares held of 367,679. Main Street Research has met the qualifications for inclusion in our WhaleScore system. Whalewisdom has at least 44 13F filings

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06/30/2020

13F Activity

  • Market Value $637.19 Million
  • Prior Market Value $408.186 Million
  • New Purchases23 stocks
  • Additional Purchases41 stocks
  • Sold out of4 stocks
  • Reduced holdings in17 stocks
  • Top 10 Holdings % 37.17 %
  • Turnover % [1]:27.84%
  • Turnover Alt % [2]: 32.35 %
  • Time Held Top20:4.45 quarters
  • Time Held Top10:1.70 quarters
  • Time Held All:18.93 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.

06/30/2020

13F Sector Allocation Over Time

Portfolio Performance

Top 20 equal-weighted holdings. Performance numbers calculated through 2020-05-15

Performance for Q1 2020: 25.19%
Performance Last 4 Quarters: 8.06%
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

MAIN STREET RESEARCH LLC
30 LIBERTY SHIP WAY SUITE 3330
SAUSALITO CA    94965
Country: United States
Business Phone: 415-289-1010
Fax: 415-289-0105
Professional Investment Advisor Data
SEC Registration as : Large Advisory Firm
Form of Organization: Limited Liability Company
Organized in: CA
Number of employees: 13
Other Business Activities:
Advisor Fees/Compensation: Percentage of assets under management,Hourly charges,Performance-based fees
Amount of client funds and securities: 343,731,000
Total Number of Clients: 603
Amount of client funds and securities by related persons:
Total Number of clients from related persons:
Disclosures:
Data above was derived from SEC filings.

Active Schedule 13D and 13G events

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MAIN STREET RESEARCH LLC

ownership team - last updated 2020-06-18
Name Title Start Date Direct/Indirect % Ownership
DEMMERT, JAMES, EDMUND MANAGING PARTNER 04/01/2000 Direct 75% or more
Fund Name Position direct/indirect start date end date
WATERMARK PARTNERS LLC MANAGING PARTNER direct 1998-08-01
MAIN STREET RESEARCH LLC MANAGING PARTNER direct 2000-04-01
MAIN STREET RESEARCH LLC MANAGING PARTNER-CHIEF COMPLIANCE OFFICER direct 2000-04-01 2010-10-29
MITTELMAN, CHARITO, ARROYO CHIEF COMPLIANCE OFFICER, GENERAL COUNSEL 02/01/2011 Direct less than 5%
Fund Name Position direct/indirect start date end date
MAIN STREET RESEARCH LLC CHIEF COMPLIANCE OFFICER direct 2011-02-01
MAIN STREET RESEARCH LLC CHIEF COMPLIANCE OFFICER, GENERAL COUNSEL direct 2011-02-01
STERN, TAMRA, ANN PARTNER, DIRECTOR - WEALTH MANAGEMENT 03/01/2004 Direct less than 5%
Fund Name Position direct/indirect start date end date
WATERMARK PARTNERS LLC PARTNER - CHIEF COMPLIANCE OFFICER direct 1998-08-01
MAIN STREET RESEARCH LLC PARTNER, DIRECTOR - WEALTH MANAGEMENT direct 2004-03-01
WATERMARK PARTNERS LLC PARTNER direct 1998-08-01 2006-03-20

MAIN STREET RESEARCH LLC

ownership team - last updated 2020-03-27
Name Title Start Date Direct/Indirect % Ownership

MAIN STREET RESEARCH LLC

ownership team - last updated 2019-09-11
Name Title Start Date Direct/Indirect % Ownership
DEMMERT, JAMES, EDMUND MANAGING PARTNER 04/01/2000 Direct 75% or more
Fund Name Position direct/indirect start date end date
WATERMARK PARTNERS LLC MANAGING PARTNER direct 1998-08-01
MAIN STREET RESEARCH LLC MANAGING PARTNER direct 2000-04-01
MAIN STREET RESEARCH LLC MANAGING PARTNER-CHIEF COMPLIANCE OFFICER direct 2000-04-01 2010-10-29
MITTELMAN, CHARITO, ARROYO CHIEF COMPLIANCE OFFICER, GENERAL COUNSEL 02/01/2011 Direct less than 5%
Fund Name Position direct/indirect start date end date
MAIN STREET RESEARCH LLC CHIEF COMPLIANCE OFFICER direct 2011-02-01
MAIN STREET RESEARCH LLC CHIEF COMPLIANCE OFFICER, GENERAL COUNSEL direct 2011-02-01
STERN, TAMRA, ANN PARTNER, DIRECTOR - WEALTH MANAGEMENT 03/01/2004 Direct less than 5%
Fund Name Position direct/indirect start date end date
WATERMARK PARTNERS LLC PARTNER - CHIEF COMPLIANCE OFFICER direct 1998-08-01
MAIN STREET RESEARCH LLC PARTNER, DIRECTOR - WEALTH MANAGEMENT direct 2004-03-01
WATERMARK PARTNERS LLC PARTNER direct 1998-08-01 2006-03-20

MAIN STREET RESEARCH LLC

ownership team - last updated 2019-06-21
Name Title Start Date Direct/Indirect % Ownership
DEMMERT, JAMES, EDMUND MANAGING PARTNER 04/01/2000 Direct 75% or more
Fund Name Position direct/indirect start date end date
WATERMARK PARTNERS LLC MANAGING PARTNER direct 1998-08-01
MAIN STREET RESEARCH LLC MANAGING PARTNER direct 2000-04-01
MAIN STREET RESEARCH LLC MANAGING PARTNER-CHIEF COMPLIANCE OFFICER direct 2000-04-01 2010-10-29
MITTELMAN, CHARITO, ARROYO CHIEF COMPLIANCE OFFICER, GENERAL COUNSEL 02/01/2011 Direct less than 5%
Fund Name Position direct/indirect start date end date
MAIN STREET RESEARCH LLC CHIEF COMPLIANCE OFFICER direct 2011-02-01
MAIN STREET RESEARCH LLC CHIEF COMPLIANCE OFFICER, GENERAL COUNSEL direct 2011-02-01
STERN, TAMRA, ANN PARTNER, DIRECTOR - WEALTH MANAGEMENT 03/01/2004 Direct less than 5%
Fund Name Position direct/indirect start date end date
WATERMARK PARTNERS LLC PARTNER - CHIEF COMPLIANCE OFFICER direct 1998-08-01
MAIN STREET RESEARCH LLC PARTNER, DIRECTOR - WEALTH MANAGEMENT direct 2004-03-01
WATERMARK PARTNERS LLC PARTNER direct 1998-08-01 2006-03-20

MAIN STREET RESEARCH LLC

ownership team - last updated 2019-03-19
Name Title Start Date Direct/Indirect % Ownership
DEMMERT, JAMES, EDMUND MANAGING PARTNER 04/01/2000 Direct 75% or more
Fund Name Position direct/indirect start date end date
WATERMARK PARTNERS LLC MANAGING PARTNER direct 1998-08-01
MAIN STREET RESEARCH LLC MANAGING PARTNER direct 2000-04-01
MAIN STREET RESEARCH LLC MANAGING PARTNER-CHIEF COMPLIANCE OFFICER direct 2000-04-01 2010-10-29
MITTELMAN, CHARITO, ARROYO CHIEF COMPLIANCE OFFICER, GENERAL COUNSEL 02/01/2011 Direct less than 5%
Fund Name Position direct/indirect start date end date
MAIN STREET RESEARCH LLC CHIEF COMPLIANCE OFFICER direct 2011-02-01
MAIN STREET RESEARCH LLC CHIEF COMPLIANCE OFFICER, GENERAL COUNSEL direct 2011-02-01
STERN, TAMRA, ANN PARTNER, DIRECTOR - WEALTH MANAGEMENT 03/01/2004 Direct less than 5%
Fund Name Position direct/indirect start date end date
WATERMARK PARTNERS LLC PARTNER - CHIEF COMPLIANCE OFFICER direct 1998-08-01
MAIN STREET RESEARCH LLC PARTNER, DIRECTOR - WEALTH MANAGEMENT direct 2004-03-01
WATERMARK PARTNERS LLC PARTNER direct 1998-08-01 2006-03-20

MAIN STREET RESEARCH LLC

ownership team - last updated 2018-11-13
Name Title Start Date Direct/Indirect % Ownership
DEMMERT, JAMES, EDMUND MANAGING PARTNER 04/01/2000 Direct 75% or more
Fund Name Position direct/indirect start date end date
WATERMARK PARTNERS LLC MANAGING PARTNER direct 1998-08-01
MAIN STREET RESEARCH LLC MANAGING PARTNER direct 2000-04-01
MAIN STREET RESEARCH LLC MANAGING PARTNER-CHIEF COMPLIANCE OFFICER direct 2000-04-01 2010-10-29
MITTELMAN, CHARITO, ARROYO CHIEF COMPLIANCE OFFICER, GENERAL COUNSEL 02/01/2011 Direct less than 5%
Fund Name Position direct/indirect start date end date
MAIN STREET RESEARCH LLC CHIEF COMPLIANCE OFFICER direct 2011-02-01
MAIN STREET RESEARCH LLC CHIEF COMPLIANCE OFFICER, GENERAL COUNSEL direct 2011-02-01
STERN, TAMRA, ANN PARTNER, DIRECTOR - WEALTH MANAGEMENT 03/01/2004 Direct less than 5%
Fund Name Position direct/indirect start date end date
WATERMARK PARTNERS LLC PARTNER - CHIEF COMPLIANCE OFFICER direct 1998-08-01
MAIN STREET RESEARCH LLC PARTNER, DIRECTOR - WEALTH MANAGEMENT direct 2004-03-01
WATERMARK PARTNERS LLC PARTNER direct 1998-08-01 2006-03-20

MAIN STREET RESEARCH LLC

ownership team - last updated 2018-06-19
Name Title Start Date Direct/Indirect % Ownership
DEMMERT, JAMES, EDMUND MANAGING PARTNER 04/01/2000 Direct 75% or more
Fund Name Position direct/indirect start date end date
WATERMARK PARTNERS LLC MANAGING PARTNER direct 1998-08-01
MAIN STREET RESEARCH LLC MANAGING PARTNER direct 2000-04-01
MAIN STREET RESEARCH LLC MANAGING PARTNER-CHIEF COMPLIANCE OFFICER direct 2000-04-01 2010-10-29
MITTELMAN, CHARITO, ARROYO CHIEF COMPLIANCE OFFICER, GENERAL COUNSEL 02/01/2011 Direct less than 5%
Fund Name Position direct/indirect start date end date
MAIN STREET RESEARCH LLC CHIEF COMPLIANCE OFFICER direct 2011-02-01
MAIN STREET RESEARCH LLC CHIEF COMPLIANCE OFFICER, GENERAL COUNSEL direct 2011-02-01
STERN, TAMRA, ANN PARTNER, DIRECTOR - WEALTH MANAGEMENT 03/01/2004 Direct less than 5%
Fund Name Position direct/indirect start date end date
WATERMARK PARTNERS LLC PARTNER - CHIEF COMPLIANCE OFFICER direct 1998-08-01
MAIN STREET RESEARCH LLC PARTNER, DIRECTOR - WEALTH MANAGEMENT direct 2004-03-01
WATERMARK PARTNERS LLC PARTNER direct 1998-08-01 2006-03-20

WhaleScore history for MAIN STREET RESEARCH LLC

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