Acacia Research
ACTG • NASDAQ
Acacia Research is a specialty business services company in the industrials sector on NASDAQ, led by Martin D. McNulty Jr., with a market cap of $367.5M. As of Q3 2025, 87% of shares are held by 87 institutional investors, with Starboard Value LP as the largest holder at 63.38%.
Chief Executive OfficerMartin D. McNulty Jr.
Market Cap$367.5M
Specialty Business Services
Industrials
Employees170.0
Websiteacaciaresearch.com
Country
United States of America
Overview
Overview of institutional ownership in ACTG as of Q3 2025 with a market cap of $313.4M
All Institutions
- Institutions
- 87
- Value Held
- $273.5M
- Shares Held
- 84.0M
- Avg Position
- $3.1M
- Median Position
- $99.7K
Hedge Funds
- Hedge Funds
- 9
- Value Held
- $209.3M
- Shares Held
- 64.4M
- Avg Position
- $23.3M
- Median Position
- $584.6K
Ownership Breakdown
Based on market cap of $313.4M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in ACTG as of Q3 2025
| Institution | Position Value |
|---|---|
 Starboard Value LP Hedge Fund•Activist | $198.7M 3.74% of portfolio |
 STATE STREET CORP Institution | $9.1M 0.00% of portfolio |
 DIMENSIONAL FUND ADVISORS LP Long Only Manager | $8.9M 0.00% of portfolio |
B BlackRock, Inc. Institution | $7.6M 0.00% of portfolio |
 VANGUARD GROUP INC Institution | $7.4M 0.00% of portfolio |
 RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | $5.0M 0.01% of portfolio |
 Krilogy Financial LLC RIA/Wealth | $4.3M 0.16% of portfolio |
B BBK Capital Partners, LLC ETF Provider | $3.2M 0.51% of portfolio |
 LEVIN CAPITAL STRATEGIES, L.P. Hedge Fund•Multi-Strategy | $2.9M 0.27% of portfolio |
 GEODE CAPITAL MANAGEMENT LLC ETF Provider | $2.7M 0.00% of portfolio |
Net Capital Flow
Institutional buying and selling activity for ACTG in Q3 2025
- Traded
- +$626.0K
- Buyers
- 41
- Sellers
- 36
- Total Bought
- +$5.1M
- Total Sold
- −$4.5M
- Avg Position
- $2.8M
Biggest Buyers
| Institution | Net Bought |
|---|---|
LEVIN CAPITAL STRATEGIES, L.P. Hedge Fund•Multi-Strategy | +$1.9M +588.0K shares |
P Permanent Capital Management, LP RIA/Wealth | +$810.4K +249.3K shares |
 Toroso Investments, LLC ETF Provider | +$318.7K +98.1K shares |
 JPMORGAN CHASE & CO Institution | +$278.8K +85.8K shares |
 DEUTSCHE BANK AG\ Institution | +$263.3K +81.0K shares |
B BBK Capital Partners, LLC ETF Provider | +$211.6K +62.6K shares |
 GOLDMAN SACHS GROUP INC Institution | +$165.4K +50.9K shares |
 MORGAN STANLEY RIA/Wealth | +$157.7K +48.5K shares |
 CORSAIR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy | +$136.7K +42.1K shares |
DIMENSIONAL FUND ADVISORS LP Long Only Manager | +$104.8K +32.2K shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
Krilogy Financial LLC RIA/Wealth | −$724.6K −200.2K shares |
 WESTERLY CAPITAL MANAGEMENT, LLC Hedge Fund•Long/Short | −$617.4K −172.5K shares |
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | −$468.1K −144.0K shares |
 FIRST TRUST ADVISORS LP ETF Provider | −$411.2K −114.9K shares |
 Marshall Wace LLP Institution | −$349.8K −107.6K shares |
 Clayton Partners LLC Hedge Fund•Long/Short | −$286.4K −88.1K shares |
 GSA CAPITAL PARTNERS LLP Hedge Fund•Quant | −$233.3K −71.8K shares |
H HRT FINANCIAL LLC Institution | −$190.9K −53.3K shares |
 LOS ANGELES CAPITAL MANAGEMENT & EQUITY RESEARCH INC Long Only Manager | −$183.1K −51.2K shares |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | −$107.5K −33.1K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited ACTG in Q3 2025
- New Positions
- 4
- New Value
- $113.7K
- Exited Positions
- 9
- Exited Value
- $1.6M
New Positions
| Institution | Position Value |
|---|---|
E Ethic Inc. RIA/Wealth | $63.8K 19.6K shares |
 Sather Financial Group Inc RIA/Wealth | $48.1K 14.8K shares |
O Optiver Holding B.V. Institution | $1.8K 542.0 shares |
 Transamerica Financial Advisors, Inc. Institution | $65.0 20.0 shares |
Exited Positions
| Institution | Previous Position |
|---|---|
WESTERLY CAPITAL MANAGEMENT, LLC Hedge Fund•Long/Short | $617.4K 172.5K shares |
FIRST TRUST ADVISORS LP ETF Provider | $411.2K 114.9K shares |
H HRT FINANCIAL LLC Institution | $190.9K 53.3K shares |
LOS ANGELES CAPITAL MANAGEMENT & EQUITY RESEARCH INC Long Only Manager | $183.1K 51.2K shares |
J Jump Financial, LLC Institution | $101.2K 28.3K shares |
 OCCUDO QUANTITATIVE STRATEGIES LP Hedge Fund•Market Neutral | $75.1K 21.0K shares |
 Mariner Wealth Advisors, LLC RIA/Wealth | $37.0K 10.3K shares |
 NISA INVESTMENT ADVISORS L L C Long Only Manager | $200.0 56.0 shares |
 Hanson McClain, Inc. RIA/Wealth | $111.0 31.0 shares |
Options Activity
Institutions with the largest Call and Put options positions in ACTG as of Q3 2025
- Call Positions
- 1
- Call Value
- -
- Put Positions
- 1
- Put Value
- -
Call Positions
| Institution | Position Value |
|---|---|
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | - - contracts |
Put Positions
| Institution | Position Value |
|---|---|
 SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | - - contracts |
Most Committed Institutions
Institutions with ACTG as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
Starboard Value LP Hedge Fund•Activist | 3.74% $198.7M |
P Peapod Lane Capital LLC Institution | 2.11% $2.4M |
 Pacific Ridge Capital Partners, LLC Long Only Manager | 0.59% $2.7M |
B BBK Capital Partners, LLC ETF Provider | 0.51% $3.2M |
Clayton Partners LLC Hedge Fund•Long/Short | 0.44% $584.6K |
LEVIN CAPITAL STRATEGIES, L.P. Hedge Fund•Multi-Strategy | 0.27% $2.9M |
P Permanent Capital Management, LP RIA/Wealth | 0.25% $1.3M |
 Capital Wealth Alliance, LLC RIA/Wealth | 0.17% $340.5K |
Krilogy Financial LLC RIA/Wealth | 0.16% $4.3M |
E ELKHORN PARTNERS LIMITED PARTNERSHIP Institution | 0.08% $115.4K |
Hedge Fund Spotlight
Discover hedge funds investing in ACTG
CORSAIR CAPITAL MANAGEMENT LLC
Hedge Fund • Multi-Strategy
Portfolio ManagerJeffrey Archer Zelin
- Portfolio Value
- $563.1M
- Positions
- 163
- Last Reported
- Q3 2025
Sector Allocation
Position in Acacia Research
- Market Value
- $391.1K
- Shares Held
- 120.3K
- Portfolio Weight
- 0.07%
- Owned Since
- 2025-Q2
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Electrical Equipment & Parts Industrials | $91.3M | 16.22% | |
Manufacturing - Metal Fabrication Industrials | $88.0M | 15.63% | |
Education & Training Services Consumer Defensive | $60.3M | 10.70% |
