ACACIA RESEARCH CORP - ACTG

Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 3 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Starboard Value LP History No change 61,123,595 228,602 4.33% 3.74% 1 0 0.0% Q4 2025 Feb 17, 2026
STATE STREET CORP History Added to 3,145,981 11,765 0.0% 0.0% 2 +355,916 12.76% Q4 2025 Feb 13, 2026
DIMENSIONAL FUND ADVISORS LP History Added to 2,758,800 10,317 0.0% 0.0% 3 +10,504 0.38% Q4 2025 Feb 12, 2026
BlackRock, Inc. History Added to 2,363,847 8,840 0.0% 0.0% 4 +24,131 1.03% Q4 2025 Feb 12, 2026
VANGUARD GROUP INC History Reduced 2,087,925 7,808 0.0% 0.0% 5 -193,702 -8.49% Q4 2025 Jan 29, 2026
RENAISSANCE TECHNOLOGIES LLC History Reduced 1,395,300 5,218 0.01% 0.01% 6 -130,700 -8.56% Q4 2025 Feb 12, 2026
Krilogy Financial LLC History Added to 1,243,413 4,899 0.17% 0.16% 7 +45,015 3.76% Q4 2025 Jan 27, 2026
LEVIN CAPITAL STRATEGIES, L.P. History Added to 983,261 3,677 0.32% 0.26% 8 +93,714 10.54% Q4 2025 Jan 30, 2026
Peapod Lane Capital LLC History Added to 845,954 3,216 2.74% 2.11% 9 +119,783 16.5% Q4 2025 Jan 28, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 846,307 3,165 0.0% 0.0% 10 +3,525 0.42% Q4 2025 Feb 09, 2026
Formidable Asset Management, LLC History Reduced 870,831 3,100 0.45% 0.51% 11 -89,524 -9.32% Q4 2025 Jan 16, 2026
Pacific Ridge Capital Partners, LLC History Reduced 810,324 3,030 0.67% 0.6% 12 -28,877 -3.44% Q4 2025 Feb 04, 2026
AMERICAN CENTURY COMPANIES INC History Added to 493,039 1,843 0.0% 0.0% 13 +6,568 1.35% Q4 2025 Feb 13, 2026
MORGAN STANLEY History Added to 443,263 1,657 0.0% 0.0% 14 +118,138 36.34% Q4 2025 Feb 13, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History Added to 441,886 1,652 0.03% 0.02% 15 +174,752 65.42% Q4 2025 Feb 17, 2026
Tidal Investments LLC History Reduced 437,428 1,635 0.0% 0.0% 16 -26,510 -5.71% Q4 2025 Feb 13, 2026
Permanent Capital Management, LP History No change 405,345 1,515 0.3% 0.25% 17 0 0.0% Q4 2025 Jan 07, 2026
CITADEL ADVISORS LLC History Reduced 354,227 1,324 0.0% 0.0% 18 -95,861 -21.3% Q4 2025 Feb 17, 2026
GOLDMAN SACHS GROUP INC History Reduced 308,992 1,155 0.0% 0.0% 19 -38,646 -11.12% Q4 2025 Mar 25, 2026
NORTHERN TRUST CORP History Reduced 242,939 908 0.0% 0.0% 20 -24,748 -9.25% Q4 2025 Feb 17, 2026
CORSAIR CAPITAL MANAGEMENT, L.P. History Added to 166,672 623 0.1% 0.06% 21 +46,327 38.5% Q4 2025 Feb 17, 2026
JPMORGAN CHASE & CO History Added to 140,037 523 0.0% 0.0% 22 +37,006 35.92% Q4 2025 Feb 11, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Reduced 139,207 520 0.0% 0.0% 23 -87,015 -38.46% Q4 2025 Feb 17, 2026
UBS Group AG History Reduced 124,040 463 0.0% 0.0% 24 -5,268 -4.07% Q4 2025 Jan 29, 2026
Bank of New York Mellon Corp History Reduced 121,328 453 0.0% 0.0% 25 -124,574 -50.66% Q4 2025 Feb 10, 2026
Capital Wealth Alliance, LLC History Reduced 103,970 431 0.18% 0.17% 26 -800 -0.76% Q4 2025 Feb 17, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History No change 114,965 429 0.0% 0.0% 27 0 0.0% Q4 2025 Feb 13, 2026
GatePass Capital, LLC History Reduced 99,800 373 0.19% 0.2% 28 -5,500 -5.22% Q4 2025 Feb 09, 2026
Marquette Asset Management, LLC History New 93,237 348 0.05% 29 +93,237 New Q4 2025 Jan 16, 2026
Jefferies Financial Group Inc. History No change 85,000 317 0.0% 0.0% 30 0 0.0% Q4 2025 Feb 09, 2026
Invesco Ltd. History Added to 77,143 288 0.0% 0.0% 31 +3,252 4.4% Q4 2025 Feb 19, 2026
FMR LLC History Added to 74,914 280 0.0% 0.0% 32 +12,104 19.27% Q4 2025 Feb 17, 2026
Nuveen, LLC History No change 57,333 214 0.0% 0.0% 33 0 0.0% Q4 2025 Feb 12, 2026
BARCLAYS PLC History Added to 53,468 199 0.0% 0.0% 34 +5,203 10.78% Q4 2025 Feb 13, 2026
AQR CAPITAL MANAGEMENT LLC History Added to 52,862 197 0.0% 0.0% 35 +19,590 58.88% Q4 2025 Feb 17, 2026
JANE STREET GROUP, LLC History Reduced 52,624 196 0.0% 0.0% 36 -30,793 -36.91% Q4 2025 Feb 12, 2026
CITIZENS FINANCIAL GROUP INC/RI History New 50,000 187 0.0% 37 +50,000 New Q4 2025 Jan 30, 2026
RHUMBLINE ADVISERS History Reduced 44,890 167 0.0% 0.0% 38 -7,867 -14.91% Q4 2025 Feb 13, 2026
Ethic Inc. History Added to 39,114 146 0.0% 0.0% 39 +19,485 99.27% Q4 2025 Feb 03, 2026
WELLS FARGO & COMPANY/MN History Added to 38,898 145 0.0% 0.0% 40 +12,675 48.34% Q4 2025 Feb 13, 2026
ALLIANCEBERNSTEIN L.P. History No change 37,740 141 0.0% 0.0% 41 0 0.0% Q4 2025 Feb 17, 2026
ELKHORN PARTNERS LIMITED PARTNERSHIP History Reduced 34,500 129 0.08% 0.08% 42 -1,000 -2.82% Q4 2025 Feb 17, 2026
MARSHALL WACE, LLP History Reduced 34,327 128 0.0% 0.0% 43 -29,466 -46.19% Q4 2025 Feb 13, 2026
NewEdge Advisors, LLC History New 32,778 122 0.0% 44 +32,778 New Q4 2025 Feb 18, 2026
BANK OF AMERICA CORP /DE/ History Added to 28,573 106 0.0% 0.0% 45 +12,811 81.28% Q4 2025 Feb 17, 2026
LPL Financial LLC History New 25,000 93 0.0% 46 +25,000 New Q4 2025 Feb 11, 2026
DEUTSCHE BANK AG\ History Reduced 24,507 91 0.0% 0.0% 47 -56,503 -69.75% Q4 2025 Feb 11, 2026
SNS Financial Group, LLC History No change 22,000 82 0.01% 0.01% 48 0 0.0% Q4 2025 Feb 02, 2026
PRICE T ROWE ASSOCIATES INC /MD/ History No change 18,738 71 0.0% 0.0% 49 0 0.0% Q4 2025 Feb 17, 2026
RAYMOND JAMES FINANCIAL INC History No change 18,600 69 0.0% 0.0% 50 0 0.0% Q4 2025 Feb 18, 2026
SIMPLEX TRADING, LLC History Added to 18,081 67 0.0% 0.0% 51 +13,659 308.89% Q4 2025 Feb 11, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History Added to 15,909 59 0.0% 0.0% 52 +16 0.1% Q4 2025 Feb 17, 2026
Sather Financial Group Inc History Added to 15,304 57 0.0% 0.0% 53 +509 3.44% Q4 2025 Jan 26, 2026
MANUFACTURERS LIFE INSURANCE COMPANY, THE History New 14,615 54 0.0% 56 +14,615 New Q4 2025 Feb 13, 2026
ROYCE & ASSOCIATES LP History New 14,611 54 0.0% 55 +14,611 New Q4 2025 Feb 09, 2026
SALEM INVESTMENT COUNSELORS INC History No change 14,664 54 0.0% 0.0% 54 0 0.0% Q4 2025 Jan 12, 2026
Investors Research Corp History Reduced 14,009 52 0.01% 0.01% 57 -600 -4.11% Q4 2025 Jan 06, 2026
Abel Hall, LLC History New 13,648 51 0.01% 59 +13,648 New Q4 2025 Feb 17, 2026
INTECH INVESTMENT MANAGEMENT LLC History Reduced 13,722 51 0.0% 0.0% 58 -512 -3.6% Q4 2025 Feb 10, 2026
OCCUDO QUANTITATIVE STRATEGIES LP History New 13,151 49 0.0% 60 +13,151 New Q4 2025 Feb 17, 2026
Police & Firemen's Retirement System of New Jersey History No change 12,759 47 0.0% 0.0% 61 0 0.0% Q4 2025 Feb 13, 2026
VICTORY CAPITAL MANAGEMENT INC History Added to 10,964 41 0.0% 0.0% 62 +53 0.49% Q4 2025 Feb 13, 2026
ZIONS BANCORPORATION, NATIONAL ASSOCIATION /UT/ History New 10,096 37 0.0% 63 +10,096 New Q4 2025 Feb 11, 2026
Pekin Hardy Strauss, Inc. History New 10,000 37 0.0% 64 +10,000 New Q4 2025 Jan 30, 2026
Horizon Wealth Management, LLC History No change 10,000 37 0.01% 0.0% 65 0 0.0% Q4 2025 Feb 04, 2026
NEW YORK STATE COMMON RETIREMENT FUND History No change 8,921 33 0.0% 0.0% 66 0 0.0% Q4 2025 Feb 12, 2026
BNP PARIBAS FINANCIAL MARKETS History Added to 8,464 31 0.0% 0.0% 67 +1,135 15.49% Q4 2025 Feb 10, 2026
Capital Advisors, Ltd. LLC History No change 8,000 30 0.0% 0.0% 68 0 0.0% Q4 2025 Jan 21, 2026
MAI Capital Management History New 6,478 24 0.0% 69 +6,478 New Q4 2025 Feb 13, 2026
Tower Research Capital LLC (TRC) History Reduced 3,284 12 0.0% 0.0% 70 -5,140 -61.02% Q4 2025 Feb 17, 2026
CWM, LLC History Added to 3,158 12 0.0% 0.0% 71 +739 30.55% Q4 2025 Jan 26, 2026
Russell Investments Group, Ltd. History Added to 3,045 11 0.0% 0.0% 73 +212 7.48% Q4 2025 Feb 17, 2026
Ameritas Investment Partners, Inc. History No change 3,139 11 0.0% 0.0% 72 0 0.0% Q4 2025 Feb 11, 2026
Legal & General Group Plc History No change 2,926 10 0.0% 0.0% 74 0 0.0% Q4 2025 Feb 09, 2026
GROUP ONE TRADING LLC History Reduced 2,074 7 0.0% 0.0% 75 -2,025 -49.4% Q4 2025 Feb 12, 2026
Sterling Capital Management LLC History Reduced 1,971 7 0.0% 0.0% 77 -389 -16.48% Q4 2025 Feb 13, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History Reduced 2,103 7 0.0% 0.0% 76 -41 -1.91% Q4 2025 Feb 17, 2026
PNC FINANCIAL SERVICES GROUP, INC. History No change 1,513 5 0.0% 0.0% 78 0 0.0% Q4 2025 Feb 06, 2026
ROYAL BANK OF CANADA History New 1,031 4 0.0% 80 +1,031 New Q4 2025 Feb 17, 2026
AMALGAMATED BANK History Reduced 1,074 4 0.0% 0.0% 79 -208 -16.22% Q4 2025 Feb 05, 2026
HARBOR CAPITAL ADVISORS, INC. History Reduced 877 3 0.0% 0.0% 81 -15 -1.68% Q4 2025 Jan 20, 2026
OSAIC HOLDINGS, INC. History Reduced 600 2 0.0% 0.0% 83 -30,070 -98.04% Q4 2025 Feb 17, 2026
CITIGROUP INC History Reduced 798 2 0.0% 0.0% 82 -2,235 -73.69% Q4 2025 Feb 13, 2026
Torren Management, LLC History New 772 2 0.0% 85 +772 New Q4 2025 Jan 30, 2026
Optiver Holding B.V. History No change 542 2 0.0% 0.0% 84 0 0.0% Q4 2025 Feb 17, 2026
Private Wealth Management Group, LLC History No change 358 1 0.0% 0.0% 86 0 0.0% Q4 2025 Jan 23, 2026
Empowered Funds, LLC History Closed out 0 0 0.01% -219,834 -100.0% Q3 2025 Nov 13, 2025
Clayton Partners LLC History Closed out 0 0 0.44% -179,891 -100.0% Q3 2025 Nov 10, 2025
GSA CAPITAL PARTNERS LLP History Closed out 0 0 0.02% -64,433 -100.0% Q3 2025 Nov 07, 2025
Verition Fund Management LLC History Closed out 0 0 0.0% -19,964 -100.0% Q3 2025 Nov 14, 2025
XTX Topco Ltd History Closed out 0 0 0.0% -19,590 -100.0% Q3 2025 Nov 14, 2025
FLAGSHIP HARBOR ADVISORS, LLC History Closed out 0 0 0.0% -10,000 -100.0% Q3 2025 Nov 05, 2025
Arax Advisory Partners History Closed out 0 0 0.0% -1,467 -100.0% Q3 2025 Nov 14, 2025
EverSource Wealth Advisors, LLC History Added to 184 0 +22 13.58% Q4 2025 Feb 06, 2026
IFP Advisors, Inc History Reduced 33 0 -9 -21.43% Q4 2025 Feb 06, 2026
True Wealth Design, LLC History New 2 0 +2 New Q4 2025 Jan 08, 2026
ROTHSCHILD INVESTMENT LLC History No change 110 0 0 0.0% Q4 2025 Feb 10, 2026
Transamerica Financial Advisors, LLC History No change 20 0 0 0.0% Q4 2025 Feb 13, 2026
SBI Securities Co., Ltd. History No change 250 0 0 0.0% Q4 2025 Feb 03, 2026