Acacia Research Corp
ACTG- Exchange
- Nasdaq
- Industry
- Patent Owners & Lessors
- SEC CIK
- 0000934549
In the last 90 days, Acacia Research Corp insiders filed 0 open-market purchases and 4 sales; 122 institutions reported holding it in 13F filings for Q2 2026, worth $401.5M in total; Starboard Value is the only superinvestor holding it.
13F holders, Q4 2025
Institutional positions in Acacia Research Corp as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 94
- +5 vs. Q3 2025
- Shares held
- 83.9M
- −221.2K (−0.3%) vs. Q3 2025
- Total value
- $313.8M
- +$40.0M (+14.6%) vs. Q3 2025
- New holders
- 13
- 28 more added
- Sold out
- 8
- 31 more reduced
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ACTG on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 122 | $401.5M |
| Q1 2026 | 118 | $407.4M |
| Q4 2025 | 94 | $313.8M |
| Q3 2025 | 89 | $274.2M |
| Q2 2025 | 86 | $299.6M |
| Q1 2025 | 89 | $265.9M |
| Q4 2024 | 95 | $362.5M |
| Q3 2024 | 103 | $395.8M |
| Q2 2024 | 103 | $432.5M |
| Q1 2024 | 92 | $461.0M |
| Q4 2023 | 95 | $340.1M |
| Q3 2023 | 89 | $314.2M |
| Q2 2023 | 84 | $186.4M |
| Q1 2023 | 81 | $161.0M |
| Q4 2022 | 84 | $102.2M |
| Q3 2022 | 77 | $79.2M |
| Q2 2022 | 85 | $108.7M |
| Q1 2022 | 96 | $123.9M |
| Q4 2021 | 110 | $151.1M |
| Q3 2021 | 102 | $193.9M |
| Q2 2021 | 96 | $198.4M |
| Q1 2021 | 112 | $200.7M |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Acacia Research Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Starboard Value LPSuperinvestorStarboard Value | 61,123,595 | $228.6M | 4.33% | 00.0% | Unchanged |
| State Street Corp | 3,145,981 | $11.8M | 0.00% | +355,916+12.8% | Added |
| Dimensional Fund Advisors LP | 2,758,800 | $10.3M | 0.00% | +10,504+0.4% | Added |
| BlackRock, Inc. | 2,363,847 | $8.84M | 0.00% | +24,131+1.0% | Added |
| Vanguard Group Inc | 2,087,925 | $7.81M | 0.00% | −193,702−8.5% | Reduced |
| Renaissance Technologies LLC | 1,395,300 | $5.22M | 0.01% | −130,700−8.6% | Reduced |
| Krilogy Financial LLC | 1,243,413 | $4.90M | 0.17% | +45,015+3.8% | Added |
| Levin Capital Strategies, L.P. | 983,261 | $3.68M | 0.32% | +93,714+10.5% | Added |
| Peapod Lane Capital LLC | 845,954 | $3.22M | 2.74% | +119,783+16.5% | Added |
| Geode Capital Management, LLC | 846,307 | $3.17M | 0.00% | +3,525+0.4% | Added |
| Formidable Asset Management, LLC | 870,831 | $3.10M | 0.45% | −89,524−9.3% | Reduced |
| Pacific Ridge Capital Partners, LLC | 810,324 | $3.03M | 0.67% | −28,877−3.4% | Reduced |
| American Century Companies Inc | 493,039 | $1.84M | 0.00% | +6,568+1.4% | Added |
| Morgan Stanley | 443,263 | $1.66M | 0.00% | +118,138+36.3% | Added |
| Bridgeway Capital Management, LLC | 441,886 | $1.65M | 0.03% | +174,752+65.4% | Added |
| Toroso Investments, LLC | 437,428 | $1.64M | 0.01% | −26,510−5.7% | Reduced |
| Permanent Capital Management, LP | 405,345 | $1.52M | 0.30% | 00.0% | Unchanged |
| Citadel Advisors LLC | 331,127 | $1.24M | 0.00% | −118,961−26.4% | Reduced |
| Goldman Sachs Group Inc | 308,992 | $1.16M | 0.00% | −38,646−11.1% | Reduced |
| Northern Trust Corp | 242,939 | $908.6K | 0.00% | −24,748−9.2% | Reduced |
| Corsair Capital Management, L.P. | 166,672 | $623.4K | 0.10% | +46,327+38.5% | Added |
| JPMorgan Chase & Co | 140,037 | $523.7K | 0.00% | +37,006+35.9% | Added |
| Susquehanna International Group, LLP | 139,207 | $520.6K | 0.00% | −87,015−38.5% | Reduced |
| UBS Group AG | 124,040 | $463.9K | 0.00% | −5,268−4.1% | Reduced |
| Bank of New York Mellon Corp | 121,328 | $453.8K | 0.00% | −124,574−50.7% | Reduced |
| Capital Wealth Alliance, LLC | 103,970 | $431.5K | 0.18% | −800−0.8% | Reduced |
| Charles Schwab Investment Management Inc | 114,965 | $430.0K | 0.00% | 00.0% | Unchanged |
| GatePass Capital, LLC | 99,800 | $373.3K | 0.19% | −5,500−5.2% | Reduced |
| Marquette Asset Management, LLC | 93,237 | $348.7K | 0.05% | +93,237 | New |
| Jefferies Financial Group Inc. | 85,000 | $317.9K | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 77,143 | $288.5K | 0.00% | +3,252+4.4% | Added |
| FMR LLC | 74,914 | $280.2K | 0.00% | +12,104+19.3% | Added |
| Nuveen, LLC | 57,333 | $214.4K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 53,468 | $200.0K | 0.00% | +5,203+10.8% | Added |
| AQR Capital Management LLC | 52,862 | $197.7K | 0.00% | +19,590+58.9% | Added |
| Jane Street Group, LLC | 52,624 | $196.8K | 0.00% | −30,793−36.9% | Reduced |
| Citizens Financial Group Inc | 50,000 | $187.0K | 0.00% | +50,000 | New |
| Rhumbline Advisers | 44,890 | $167.9K | 0.00% | −7,867−14.9% | Reduced |
| Ethic Inc. | 39,114 | $146.3K | 0.00% | +19,485+99.3% | Added |
| Wells Fargo & Company | 38,898 | $145.5K | 0.00% | +12,675+48.3% | Added |
| Alliancebernstein L.P. | 37,740 | $141.1K | 0.00% | 00.0% | Unchanged |
| Elkhorn Partners Limited Partnership | 34,500 | $129.0K | 0.08% | −1,000−2.8% | Reduced |
| Marshall Wace, LLP | 34,327 | $128.4K | 0.00% | −29,466−46.2% | Reduced |
| GWM Advisors LLC | 32,778 | $122.6K | 0.00% | +32,778 | New |
| Bank of America Corp | 28,573 | $106.9K | 0.00% | +12,811+81.3% | Added |
| LPL Financial LLC | 25,000 | $93.5K | 0.00% | +25,000 | New |
| Deutsche Bank AG | 24,507 | $91.7K | 0.00% | −56,503−69.7% | Reduced |
| SNS Financial Group, LLC | 22,000 | $82.3K | 0.01% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 18,738 | $71.0K | 0.00% | 00.0% | Unchanged |
| Raymond James Financial Inc | 18,600 | $69.6K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 18,081 | $67.6K | 0.00% | +13,659+308.9% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 15,909 | $59.5K | 0.00% | +16+0.1% | Added |
| Sather Financial Group Inc | 15,304 | $57.2K | 0.00% | +509+3.4% | Added |
| Salem Investment Counselors Inc | 14,664 | $54.8K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 14,615 | $54.7K | 0.00% | −3,195−17.9% | Reduced |
| Royce & Associates LP | 14,611 | $54.6K | 0.00% | +14,611 | New |
| Investors Research Corp | 14,009 | $52.4K | 0.01% | −600−4.1% | Reduced |
| Intech Investment Management LLC | 13,722 | $51.3K | 0.00% | −512−3.6% | Reduced |
| Abel Hall, LLC | 13,648 | $51.0K | 0.01% | +13,648 | New |
| Occudo Quantitative Strategies LP | 13,151 | $49.2K | 0.00% | +13,151 | New |
| Police & Firemen's Retirement System of New Jersey | 12,759 | $47.7K | 0.00% | 00.0% | Unchanged |
| Gem Investment Advisors, LLC | 11,250 | $42.1K | 0.04% | +11,250 | New |
| Victory Capital Management Inc | 10,964 | $41.0K | 0.00% | +53+0.5% | Added |
| Zions Bancorporation, National Association | 10,096 | $37.8K | 0.00% | +10,096 | New |
| Horizon Wealth Management, LLC | 10,000 | $37.4K | 0.01% | 00.0% | Unchanged |
| Pekin Hardy Strauss, Inc. | 10,000 | $37.4K | 0.00% | +10,000 | New |
| New York State Common Retirement Fund | 8,921 | $33.4K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 8,464 | $31.7K | 0.00% | +1,135+15.5% | Added |
| Capital Advisors, Ltd. LLC | 8,000 | $30.0K | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 6,478 | $24.2K | 0.00% | +6,478 | New |
| Tower Research Capital LLC (TRC) | 3,284 | $12.3K | 0.00% | −5,140−61.0% | Reduced |
| CWM, LLC | 3,158 | $12.0K | 0.00% | +739+30.5% | Added |
| Ameritas Investment Partners, Inc. | 3,139 | $11.7K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 3,045 | $11.4K | 0.00% | +212+7.5% | Added |
| Legal & General Group Plc | 2,926 | $10.9K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 2,103 | $7.87K | 0.00% | −41−1.9% | Reduced |
| Group One Trading, L.P. | 2,074 | $7.76K | 0.00% | −2,025−49.4% | Reduced |
| Sterling Capital Management LLC | 1,971 | $7.37K | 0.00% | −389−16.5% | Reduced |
| The PNC Financial Services Group, Inc. | 1,513 | $5.66K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 1,031 | $4.00K | 0.00% | −59,005−98.3% | Reduced |
| Amalgamated Bank | 1,074 | $4.00K | 0.00% | −208−16.2% | Reduced |
| Harbor Capital Advisors, Inc. | 877 | $3.00K | 0.00% | −15−1.7% | Reduced |
| Citigroup Inc | 798 | $2.98K | 0.00% | −2,235−73.7% | Reduced |
| Torren Management, LLC | 772 | $2.89K | 0.00% | +772 | New |
| Advisor Group Holdings, Inc. | 600 | $2.24K | 0.00% | −30,070−98.0% | Reduced |
| Optiver Holding B.V. | 542 | $2.03K | 0.00% | 00.0% | Unchanged |
| Private Wealth Management Group, LLC | 358 | $1.34K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 250 | $935 | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 184 | $689 | 0.00% | +22+13.6% | Added |
| Rothschild Investment LLC | 110 | $411 | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 45 | $168 | 0.00% | +40+800.0% | Added |
| IFP Advisors, Inc | 33 | $123 | 0.00% | −9−21.4% | Reduced |
| Transamerica Financial Advisors, Inc. | 20 | $75 | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 2 | $8 | 0.00% | +2 | New |
| Empowered Funds, LLC | 0 | $0 | 0.00% | −219,834−100.0% | Sold out |
| Clayton Partners LLC | 0 | $0 | 0.00% | −179,891−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −64,433−100.0% | Sold out |
| NJ State Employees Deferred Compensation Plan | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −19,964−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −19,590−100.0% | Sold out |