Acacia ResearchACTG
13F holders, Q1 2026 (March 31)118holders +24
27new positions
6sold out
6famous investors
$4.81avg. 13F price*
At the end of Q1 2026, 118 institutions reported holding Acacia Research Corp. (ACTG) in their 13F filings, up 24 from Q4 2025. 27 opened new positions and 6 sold out. The largest holders were Starboard Value ($294.0M), State Street Corp. ($14.9M) and Dimensional Fund Advisors LP ($13.7M). 6 famous investors held it, including Jeff Smith (6.4% of Starboard Value's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).
- Company
- Acacia Research Corp.
- CUSIP
- 003881307
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 27 | $8.1M |
| Exits | 6 | $552K |
All 13F filers, Q4 2025 → Q1 2026: 3,023,353 shares bought and 2,163,589 shares sold, net +859,764 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 118 holders
| Starboard Value | 6.44% | No change | 61,123,595 | $294.0M |
| State Street Corp. | 0.00% | Reduce -1.3% | 3,105,041 | $14.9M |
| Dimensional Fund Advisors LP | 0.00% | Add +3.5% | 2,853,889 | $13.7M |
| BlackRock, Inc. | 0.00% | Add +1.8% | 2,406,367 | $11.6M |
| Vanguard Capital Management LLC | 0.00% | — | 1,596,121 | $7.7M |
| Renaissance Technologies | 0.01% | Add +0.9% | 1,407,584 | $6.8M |
| Krilogy Financial LLC | 0.18% | Reduce -9.3% | 1,127,487 | $5.6M |
| Peapod Lane Capital LLC | 4.31% | Add +29.0% | 1,091,336 | $5.3M |
| Geode Capital Management, LLC | 0.00% | Add +1.4% | 857,719 | $4.1M |
| Pacific Ridge Capital Partners, LLC | 0.85% | Add +0.8% | 817,242 | $3.9M |
| Formidable Asset Management, LLC | 0.58% | Reduce -3.7% | 838,869 | $3.7M |
| Bridgeway Capital Management, LLC | 0.06% | Add +36.6% | 603,510 | $2.9M |
| Goldman Sachs Group Inc. | 0.00% | Add +89.0% | 584,102 | $2.8M |
| American Century Companies Inc. | 0.00% | Add +3.7% | 511,374 | $2.5M |
| Aegis Financial Corp. | 0.41% | New | 491,086 | $2.4M |
| Tidal Investments LLC | 0.01% | No change | 437,428 | $2.1M |
| Empowered Funds, LLC | 0.01% | New | 340,210 | $1.6M |
| Morgan Stanley | 0.00% | Reduce -37.5% | 276,902 | $1.3M |
| Northern Trust Corp. | 0.00% | Add +11.0% | 269,647 | $1.3M |
| Vanguard Portfolio Management LLC | 0.00% | — | 261,909 | $1.3M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 221,379 | $1.1M |
| Citadel Advisors | 0.00% | Reduce -40.3% | 197,571 | $950K |
| Susquehanna International Group, LLP | 0.00% | Add +41.0% | 196,296 | $944K |
| Franklin Resources Inc. | 0.00% | New | 185,288 | $891K |
| Jane Street Group, LLC | 0.00% | Add +233.3% | 175,411 | $844K |
| Corsair Capital Management, L.P. | 0.12% | No change | 166,672 | $802K |
| Acadian Asset Management LLC | 0.00% | New | 155,523 | $744K |
| Marquette Asset Management, LLC | 0.11% | Add +60.3% | 149,408 | $719K |
| JPMorgan Chase & Co. | 0.00% | Reduce -17.3% | 115,856 | $561K |
| Marshall Wace, LLP | 0.00% | Add +238.8% | 116,289 | $559K |
| UBS Group AG | 0.00% | Reduce -6.4% | 116,072 | $558K |
| Bank of New York Mellon Corp | 0.00% | Reduce -7.3% | 112,430 | $541K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -8.9% | 104,719 | $504K |
| Capital Wealth Alliance, LLC | 0.23% | No change | 103,970 | $500K |
| Point72 Asset Management | 0.00% | New | 88,552 | $426K |
| AQR Capital Management | 0.00% | Add +54.6% | 81,708 | $393K |
| Invesco Ltd. | 0.00% | Reduce -0.7% | 76,583 | $368K |
| FMR LLC | 0.00% | Add +1.1% | 75,760 | $364K |
| GatePass Capital, LLC | 0.18% | Reduce -24.4% | 75,500 | $363K |
| Ritholtz Wealth Management | 0.01% | New | 64,978 | $313K |
| O'shaughnessy Asset Management, LLC | 0.00% | New | 58,060 | $279K |
| Cornerstone Investment Partners, LLC | 0.01% | New | 55,124 | $265K |
| Nuveen, LLC | 0.00% | Reduce -15.9% | 48,219 | $232K |
| Quantinno Capital Management LP | 0.00% | New | 44,618 | $215K |
| Rhumbline Advisers | 0.00% | Reduce -1.2% | 44,341 | $213K |
| NewEdge Advisors, LLC | 0.00% | Add +28.5% | 42,129 | $203K |
| Millennium Management | 0.00% | New | 40,043 | $193K |
| Occudo Quantitative Strategies LP | 0.01% | Add +165.6% | 34,930 | $177K |
| LPL Financial LLC | 0.00% | Add +40.0% | 35,000 | $168K |
| Bank of America Corp. | 0.00% | Add +16.6% | 33,319 | $160K |
| Simplex Trading, LLC | 0.00% | Add +76.7% | 31,955 | $154K |
| Permanent Capital Management, LP | 0.02% | Reduce -92.6% | 30,000 | $152K |
| Levin Capital Strategies, L.P. | 0.01% | Reduce -97.0% | 30,000 | $144K |
| T. Rowe Price Associates Inc. | 0.00% | Add +59.8% | 29,937 | $144K |
| Alliancebernstein L.P. | 0.00% | No change | 37,740 | $141K |
| XTX Topco Ltd | 0.00% | New | 25,177 | $121K |
| Elkhorn Partners Limited Partnership | 0.08% | Reduce -27.5% | 25,000 | $120K |
| Group One Trading LLC | 0.00% | Add +1087.4% | 24,627 | $118K |
| Deutsche Bank AG | 0.00% | No change | 24,507 | $118K |
| Bluespring Wealth Management, LLC | 0.01% | No change | 22,000 | $106K |
| IMC-Chicago, LLC | 0.00% | New | 21,620 | $104K |
| Creative Planning | 0.00% | New | 20,950 | $101K |
| Ethic Inc. | 0.00% | Reduce -48.8% | 20,030 | $96K |
| MetLife Investment Management, LLC | 0.00% | New | 19,448 | $94K |
| Raymond James Financial Inc. | 0.00% | Reduce -0.5% | 18,500 | $89K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +2.4% | 16,283 | $78K |
| Sather Financial Group Inc | 0.00% | Add +0.1% | 15,312 | $74K |
| Quadrature Capital Ltd | 0.00% | New | 15,079 | $73K |
| Salem Investment Counselors Inc. | 0.00% | No change | 14,664 | $71K |
| Royce & Associates LP | 0.00% | No change | 14,611 | $70K |
| Investors Research Corp | 0.01% | Add +4.3% | 14,609 | $70K |
| Abel Hall, LLC | 0.01% | Add +5.9% | 14,452 | $70K |
| Corient Private Wealth LP | 0.00% | New | 14,251 | $69K |
| Prudential Financial Inc. | 0.00% | New | 14,215 | $68K |
| Wells Fargo & Company | 0.00% | Reduce -66.8% | 12,925 | $62K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 12,759 | $61K |
| Vanguard Global Advisers, LLC | 0.00% | — | 12,759 | $61K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -13.5% | 12,648 | $61K |
| Mariner, LLC | 0.00% | New | 12,145 | $58K |
| Gem Investment Advisors, LLC | 0.05% | No change | 11,250 | $54K |
| Jump Financial, LLC | 0.00% | New | 11,100 | $53K |
| Victory Capital Management Inc. | 0.00% | Reduce -0.6% | 10,899 | $52K |
| Intech Investment Management LLC | 0.00% | Reduce -25.8% | 10,187 | $49K |
| Horizon Wealth Management, LLC | 0.01% | No change | 10,000 | $48K |
| Zions Bancorporation, National Association | 0.00% | Reduce -11.3% | 8,958 | $43K |
| New York State Common Retirement Fund | 0.00% | No change | 8,921 | $43K |
| BNP Paribas Financial Markets | 0.00% | Reduce -4.7% | 8,070 | $39K |
| Barclays PLC | 0.00% | Reduce -87.7% | 6,593 | $32K |
| MAI Capital Management | 0.00% | Add +0.3% | 6,495 | $31K |
| Capital Advisors, Ltd. LLC | 0.00% | Reduce -25.0% | 6,000 | $29K |
| Cwm, LLC | 0.00% | Add +47.0% | 4,641 | $22K |
| Citigroup Inc. | 0.00% | Add +296.5% | 3,164 | $15K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 3,139 | $15K |
| Russell Investments Group, Ltd. | 0.00% | No change | 3,045 | $15K |
| Legal & General Group Plc | 0.00% | No change | 2,926 | $14K |
| Osaic Holdings, Inc. | 0.00% | Add +387.5% | 2,925 | $14K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -25.7% | 2,439 | $12K |
| California State Teachers Retirement System | 0.00% | Reduce -12.0% | 1,851 | $9K |
| PNC Financial Services Group, Inc. | 0.00% | Add +18.4% | 1,791 | $9K |
| Sterling Capital Management LLC | 0.00% | Reduce -42.6% | 1,132 | $5K |
"% of holder's portfolio" is ACTG's weight in each manager's 13F, not the share of Acacia Research Corp. the manager owns.