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 $401.0M in total; Starboard Value is the only superinvestor holding it.
13F holders, Q1 2026
Institutional positions in Acacia Research Corp as of Mar 31, 2026. 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
- 118
- +25 vs. Q4 2025
- Shares held
- 84.7M
- +2.95M (+3.6%) vs. Q4 2025
- Total value
- $407.4M
- +$101.4M (+33.1%) vs. Q4 2025
- New holders
- 31
- 38 more added
- Sold out
- 6
- 30 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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 | $401.0M |
| Q1 2026 | 118 | $407.4M |
| Q4 2025 | 94 | $313.8M |
| Q3 2025 | 89 | $273.8M |
| Q2 2025 | 86 | $299.3M |
| Q1 2025 | 89 | $265.9M |
| Q4 2024 | 95 | $362.5M |
| Q3 2024 | 103 | $395.7M |
| Q2 2024 | 103 | $432.3M |
| Q1 2024 | 92 | $458.4M |
| Q4 2023 | 95 | $339.2M |
| Q3 2023 | 89 | $314.2M |
| Q2 2023 | 84 | $186.4M |
| Q1 2023 | 81 | $158.8M |
| Q4 2022 | 84 | $102.2M |
| Q3 2022 | 77 | $79.2M |
| Q2 2022 | 85 | $108.7M |
| Q1 2022 | 96 | $123.9M |
| Q4 2021 | 110 | $150.2M |
| Q3 2021 | 102 | $193.9M |
| Q2 2021 | 96 | $198.2M |
| Q1 2021 | 112 | $200.7M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Acacia Research Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| True Wealth Design, LLC | 2 | $10 | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 2 | $10 | 0.00% | +2 | New |
| Farther Finance Advisors, LLC | 6 | $30 | 0.00% | +6 | New |
| Transamerica Financial Advisors, Inc. | 20 | $96 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 33 | $159 | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 63 | $303 | 0.00% | +63 | New |
| Root Financial Partners, LLC | 64 | $308 | 0.00% | +64 | New |
| Allworth Financial LP | 76 | $366 | 0.00% | +76 | New |
| GAMMA Investing LLC | 79 | $380 | 0.00% | +79 | New |
| Rothschild Investment LLC | 116 | $558 | 0.00% | +6+5.5% | Added |
| C M Bidwell & Associates Ltd | 135 | $649 | 0.00% | +135 | New |
| Essential Partners LLC | 200 | $962 | 0.00% | +155+344.4% | Added |
| EverSource Wealth Advisors, LLC | 205 | $986 | 0.00% | +21+11.4% | Added |
| SBI Securities Co., Ltd. | 265 | $1.27K | 0.00% | +15+6.0% | Added |
| US Bancorp | 340 | $1.64K | 0.00% | +340 | New |
| Private Wealth Management Group, LLC | 435 | $2.09K | 0.00% | +77+21.5% | Added |
| Torren Management, LLC | 564 | $2.71K | 0.00% | −208−26.9% | Reduced |
| Harbor Capital Advisors, Inc. | 884 | $4.00K | 0.00% | +7+0.8% | Added |
| Sterling Capital Management LLC | 1,132 | $5.45K | 0.00% | −839−42.6% | Reduced |
| The PNC Financial Services Group, Inc. | 1,791 | $8.62K | 0.00% | +278+18.4% | Added |
| California State Teachers Retirement System | 1,851 | $8.90K | 0.00% | −252−12.0% | Reduced |
| Tower Research Capital LLC (TRC) | 2,439 | $11.7K | 0.00% | −845−25.7% | Reduced |
| Advisor Group Holdings, Inc. | 2,925 | $14.1K | 0.00% | +2,325+387.5% | Added |
| Legal & General Group Plc | 2,926 | $14.1K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 3,045 | $14.6K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 3,139 | $15.1K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 3,164 | $15.2K | 0.00% | +2,366+296.5% | Added |
| CWM, LLC | 4,641 | $22.3K | 0.00% | +1,483+47.0% | Added |
| Capital Advisors, Ltd. LLC | 6,000 | $29.0K | 0.00% | −2,000−25.0% | Reduced |
| MAI Capital Management | 6,495 | $31.2K | 0.00% | +17+0.3% | Added |
| Barclays PLC | 6,593 | $31.7K | 0.00% | −46,875−87.7% | Reduced |
| BNP Paribas Arbitrage, SA | 8,070 | $38.8K | 0.00% | −394−4.7% | Reduced |
| New York State Common Retirement Fund | 8,921 | $42.9K | 0.00% | 00.0% | Unchanged |
| Zions Bancorporation, National Association | 8,958 | $43.1K | 0.00% | −1,138−11.3% | Reduced |
| Horizon Wealth Management, LLC | 10,000 | $48.1K | 0.01% | 00.0% | Unchanged |
| Intech Investment Management LLC | 10,187 | $49.0K | 0.00% | −3,535−25.8% | Reduced |
| Victory Capital Management Inc | 10,899 | $52.4K | 0.00% | −65−0.6% | Reduced |
| Jump Financial, LLC | 11,100 | $53.4K | 0.00% | +11,100 | New |
| Gem Investment Advisors, LLC | 11,250 | $54.1K | 0.05% | 00.0% | Unchanged |
| Mariner, LLC | 12,145 | $58.4K | 0.00% | +12,145 | New |
| Manufacturers Life Insurance Company, The | 12,648 | $60.8K | 0.00% | −1,967−13.5% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 12,759 | $61.4K | 0.00% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 12,759 | $61.4K | 0.00% | +12,759 | New |
| Wells Fargo & Company | 12,925 | $62.2K | 0.00% | −25,973−66.8% | Reduced |
| Prudential Financial Inc | 14,215 | $68.4K | 0.00% | +14,215 | New |
| CI Private Wealth, LLC | 14,251 | $68.5K | 0.00% | +14,251 | New |
| Abel Hall, LLC | 14,452 | $69.5K | 0.01% | +804+5.9% | Added |
| Investors Research Corp | 14,609 | $70.3K | 0.01% | +600+4.3% | Added |
| Royce & Associates LP | 14,611 | $70.3K | 0.00% | 00.0% | Unchanged |
| Salem Investment Counselors Inc | 14,664 | $70.5K | 0.00% | 00.0% | Unchanged |
| Quadrature Capital Ltd | 15,079 | $72.5K | 0.00% | +15,079 | New |
| Sather Financial Group Inc | 15,312 | $73.7K | 0.00% | +8+0.1% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 16,283 | $78.3K | 0.00% | +374+2.4% | Added |
| Raymond James Financial Inc | 18,500 | $89.0K | 0.00% | −100−0.5% | Reduced |
| MetLife Investment Management | 19,448 | $93.5K | 0.00% | +19,448 | New |
| Ethic Inc. | 20,030 | $96.3K | 0.00% | −19,084−48.8% | Reduced |
| Creative Planning | 20,950 | $100.8K | 0.00% | +20,950 | New |
| IMC-Chicago, LLC | 21,620 | $104.0K | 0.00% | +21,620 | New |
| SNS Financial Group, LLC | 22,000 | $105.8K | 0.01% | 00.0% | Unchanged |
| Deutsche Bank AG | 24,507 | $117.9K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 24,627 | $118.5K | 0.00% | +22,553+1,087.4% | Added |
| Elkhorn Partners Limited Partnership | 25,000 | $120.3K | 0.08% | −9,500−27.5% | Reduced |
| XTX Topco Ltd | 25,177 | $121.1K | 0.00% | +25,177 | New |
| Alliancebernstein L.P. | 37,740 | $141.1K | 0.00% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 29,937 | $144.0K | 0.00% | +11,199+59.8% | Added |
| Levin Capital Strategies, L.P. | 30,000 | $144.3K | 0.01% | −953,261−96.9% | Reduced |
| Permanent Capital Management, LP | 30,000 | $152.4K | 0.02% | −375,345−92.6% | Reduced |
| Simplex Trading, LLC | 31,955 | $153.7K | 0.00% | +13,874+76.7% | Added |
| Bank of America Corp | 33,319 | $160.3K | 0.00% | +4,746+16.6% | Added |
| LPL Financial LLC | 35,000 | $168.3K | 0.00% | +10,000+40.0% | Added |
| Occudo Quantitative Strategies LP | 34,930 | $177.4K | 0.01% | +21,779+165.6% | Added |
| Millennium Management LLC | 40,043 | $192.6K | 0.00% | +40,043 | New |
| GWM Advisors LLC | 42,129 | $202.6K | 0.00% | +9,351+28.5% | Added |
| Rhumbline Advisers | 44,341 | $213.3K | 0.00% | −549−1.2% | Reduced |
| Quantinno Capital Management LP | 44,618 | $214.6K | 0.00% | +44,618 | New |
| Nuveen, LLC | 48,219 | $231.9K | 0.00% | −9,114−15.9% | Reduced |
| Cornerstone Investment Partners, LLC | 55,124 | $265.1K | 0.01% | +55,124 | New |
| O'Shaughnessy Asset Management, LLC | 58,060 | $279.3K | 0.00% | +58,060 | New |
| Ritholtz Wealth Management | 64,978 | $312.5K | 0.01% | +64,978 | New |
| GatePass Capital, LLC | 75,500 | $363.2K | 0.18% | −24,300−24.3% | Reduced |
| FMR LLC | 75,760 | $364.4K | 0.00% | +846+1.1% | Added |
| Invesco Ltd. | 76,583 | $368.4K | 0.00% | −560−0.7% | Reduced |
| AQR Capital Management LLC | 81,708 | $393.0K | 0.00% | +28,846+54.6% | Added |
| Point72 Asset Management, L.P. | 88,552 | $425.9K | 0.00% | +88,552 | New |
| Capital Wealth Alliance, LLC | 103,970 | $500.1K | 0.23% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 104,719 | $503.7K | 0.00% | −10,246−8.9% | Reduced |
| Bank of New York Mellon Corp | 112,430 | $540.8K | 0.00% | −8,898−7.3% | Reduced |
| UBS Group AG | 116,072 | $558.3K | 0.00% | −7,968−6.4% | Reduced |
| Marshall Wace, LLP | 116,289 | $559.4K | 0.00% | +81,962+238.8% | Added |
| JPMorgan Chase & Co | 115,856 | $560.7K | 0.00% | −24,181−17.3% | Reduced |
| Marquette Asset Management, LLC | 149,408 | $718.7K | 0.11% | +56,171+60.2% | Added |
| Acadian Asset Management LLC | 155,523 | $744.0K | 0.00% | +155,523 | New |
| Corsair Capital Management, L.P. | 166,672 | $801.7K | 0.12% | 00.0% | Unchanged |
| Jane Street Group, LLC | 175,411 | $843.7K | 0.00% | +122,787+233.3% | Added |
| Franklin Resources Inc | 185,288 | $891.2K | 0.00% | +185,288 | New |
| Susquehanna International Group, LLP | 196,296 | $944.2K | 0.00% | +57,089+41.0% | Added |
| Citadel Advisors LLC | 197,571 | $950.3K | 0.00% | −133,556−40.3% | Reduced |
| Vanguard Fiduciary Trust Co | 221,379 | $1.06M | 0.00% | +221,379 | New |
| Vanguard Portfolio Management LLC | 261,909 | $1.26M | 0.00% | +261,909 | New |
| Northern Trust Corp | 269,647 | $1.30M | 0.00% | +26,708+11.0% | Added |