Equal-WT
WhaleScore 2.0
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Advisory Research is based out of Chicago. Advisory Research is a hedge fund with 293 clients and discretionary assets under management (AUM) of $718,778,680 (Form ADV from 2025-03-18). Their last reported 13F filing for Q1 2025 included $567,296,121 in managed 13F securities
and a top 10 holdings concentration of 33.74%. Advisory Research's largest holding is Bel Fuse, Inc. Class B with shares held of 375,089. Whalewisdom has at least 135 13F filings, 20 13D filings, and 412 13G filings
Business Description
Advisory Research, Inc. (ARI) is an advisory firm founded in 1974 and located in Chicago, Illinois. It is a wholly-owned subsidiary of Ostara HoldCo, Inc. ("Ostara"), with Matthew K. Swaim serving as CEO of both ARI and Ostara, and owning over 25% of Ostara. As of December 31, 2024, ARI managed $836.6 million in regulatory assets, consisting of $721.5 million in assets under management (AUM) and $115.1 million in assets under advisement (AUA).
ARI provides discretionary investment management services to institutional and high-net-worth clients through various channels, including separately managed accounts, unregistered pooled investment vehicles, and model-based accounts. They also offer sub-advisory services to registered mutual funds, wrap fee programs, and model programs, as well as non-discretionary management of advisory accounts. Additionally, ARI serves as a general partner or managing member to limited partnerships managed by various investment teams.
Investment Strategy
ARI focuses on actively managed strategies with a focus on long-term capital appreciation. They utilize various methods of analysis in formulating advice and/or managing client assets. Allocations may also reflect the judgment of the investment team as to the specific needs of an account.
Asset allocation aims to identify an appropriate risk/reward balance by apportioning a portfolio’s assets based on the investment goals and risk tolerance of an investment strategy and its clients. With respect to Registered Mutual Funds, ARI manages the assets based on their specific investment objectives and restrictions, as outlined in the Registered Mutual Fund’s prospectus and statement of additional information.
Owners
- OSTARA HOLDCO, INC. - OWNER
- ZESSAR, BRUCE, MICHAEL - CHIEF COMPLIANCE OFFICER, CORPORATE SECRETARY AND MANAGING DIRECTOR
- SWAIM, MATTHEW, KENT - CHAIRMAN, CHIEF EXECUTIVE OFFICER, AND DIRECTOR Click on the Ownership/Private Fund Data tab for more details.
Known Email Addresses
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Other Contact Information
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2025-03-31
Top Buys (13F)
Name | % Change |
---|---|
DJCO Daily Journal Corpor | 2.44% |
ACWI iShares MSCI ACWI ET | 1.69% |
PM Philip Morris Intern | 1.24% |
KAR Openlane Inc. | 1.14% |
TRS Trimas Corporation | 1.02% |

2025-03-31
Top Sells (13F)
Name | % Change |
---|---|
MLR Miller Industries In | 2.47% |
ESGR Enstar Group Limited | 2% |
AVGO Broadcom Inc | 1.6% |
WAL Western Alliance Ban | 1.25% |
HHH Howard Hughes Holdin | 1.15% |

2025-03-31
13F Holdings Summary
Name | $ Change |
---|---|
BELFB Bel Fuse, Inc. Class | 4.95% |
JBTM JBT Marel Corp. | 4.22% |
TRS Trimas Corporation | 4.1% |
PM Philip Morris Intern | 3.65% |
PHIN PHINIA Inc | 3.32% |

2025-03-31
13F Activity
Market Value | $0.57b, Prior: $0.60b |
Inflows (Outflows) as % of Total MV | (-0.6001)% |
New Purchases | 4 stocks |
Added To | 62 stocks |
Sold out of | 8 stocks |
Reduced holdings in | 70 stocks |
Top 10 Holdings % | 33.74% |
Turnover %[1] | 7.69% |
Turnover Alt %[2] | 13.98% |
Time Held Top 20 | 3.7 quarters |
Time Held Top 10 | 2.1 quarters |
Time Held All | 16.65 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.

2025-03-31
13F Sector Allocation Over Time
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2025-03-31
Analysis

Top 20 equal-weighted holdings. Performance numbers calculated through 2025-03-31