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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, Q1 2023

Institutional positions in Acacia Research Corp as of Mar 31, 2023. 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
81
−3 vs. Q4 2022
Shares held
41.1M
+16.8M (+69.3%) vs. Q4 2022
Total value
$158.8M
+$56.6M (+55.4%) vs. Q4 2022
New holders
14
28 more added
Sold out
17
21 more reduced

Compare with Q4 2022: 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.

Institutional holdersQ1 2023: 81 institutions
Q1 2021: 112 institutionsQ2 2021: 96 institutionsQ3 2021: 102 institutionsQ4 2021: 110 institutionsQ1 2022: 96 institutionsQ2 2022: 85 institutionsQ3 2022: 77 institutionsQ4 2022: 84 institutionsQ1 2023: 81 institutionsQ2 2023: 84 institutionsQ3 2023: 89 institutionsQ4 2023: 95 institutionsQ1 2024: 92 institutionsQ2 2024: 103 institutionsQ3 2024: 103 institutionsQ4 2024: 95 institutionsQ1 2025: 89 institutionsQ2 2025: 86 institutionsQ3 2025: 89 institutionsQ4 2025: 94 institutionsQ1 2026: 118 institutionsQ2 2026: 122 institutions
Value heldQ1 2023: $161.0M
Q1 2021: $200.7MQ2 2021: $198.4MQ3 2021: $193.9MQ4 2021: $151.1MQ1 2022: $123.9MQ2 2022: $108.7MQ3 2022: $79.2MQ4 2022: $102.2MQ1 2023: $161.0MQ2 2023: $186.4MQ3 2023: $314.2MQ4 2023: $340.1MQ1 2024: $461.0MQ2 2024: $432.5MQ3 2024: $395.8MQ4 2024: $362.5MQ1 2025: $265.9MQ2 2025: $299.6MQ3 2025: $274.2MQ4 2025: $313.8MQ1 2026: $407.4MQ2 2026: $401.5M
Institutions holding ACTG and their total value by quarter
QuarterHoldersValue
Q2 2026122$401.5M
Q1 2026118$407.4M
Q4 202594$313.8M
Q3 202589$274.2M
Q2 202586$299.6M
Q1 202589$265.9M
Q4 202495$362.5M
Q3 2024103$395.8M
Q2 2024103$432.5M
Q1 202492$461.0M
Q4 202395$340.1M
Q3 202389$314.2M
Q2 202384$186.4M
Q1 202381$161.0M
Q4 202284$102.2M
Q3 202277$79.2M
Q2 202285$108.7M
Q1 202296$123.9M
Q4 2021110$151.1M
Q3 2021102$193.9M
Q2 202196$198.4M
Q1 2021112$200.7M

Institutions, Q1 2023

Shares, value and share of portfolio for each institution holding Acacia Research Corp; share changes are against Q4 2022.

Institutions holding ACTG in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Starboard Value LPSuperinvestorStarboard Value20,000,000$77.2M1.55%+15,000,000+300.0%Added
Vanguard Group Inc2,366,106$9.13M0.00%+376,043+18.9%Added
ArrowMark Colorado Holdings LLC1,995,345$7.70M0.09%−1,776−0.1%Reduced
Formidable Asset Management, LLC1,766,172$6.89M1.46%+71,041+4.2%Added
Renaissance Technologies LLC1,647,512$6.36M0.01%+21,112+1.3%Added
Dimensional Fund Advisors LP1,475,309$5.69M0.00%+210,473+16.6%Added
Portolan Capital Management, LLC1,440,407$5.56M0.53%+803,416+126.1%Added
Pacific Ridge Capital Partners, LLC1,112,496$4.29M1.06%−8,145−0.7%Reduced
BlackRock Inc.927,099$3.58M0.00%+2,601+0.3%Added
Royce & Associates LP886,417$3.42M0.03%+460,717+108.2%Added
Bridgeway Capital Management, LLC593,690$2.29M0.06%+99,190+20.1%Added
Fuller & Thaler Asset Management, Inc.550,393$2.12M0.01%−485−0.1%Reduced
Toroso Investments, LLC511,001$1.97M0.06%+28,923+6.0%Added
Roumell Asset Management, LLC470,236$1.82M4.11%+470,236New
Westerly Capital Management, LLC450,000$1.74M1.25%+50,000+12.5%Added
Geode Capital Management, LLC423,580$1.64M0.00%−56,975−11.9%Reduced
Millennium Management LLC318,606$1.23M0.00%+21,135+7.1%Added
State Street Corp314,828$1.22M0.00%+165,442+110.7%Added
Difesa Capital Management, LP304,923$1.18M1.11%−2,500−0.8%Reduced
Capital Wealth Alliance, LLC254,823$983.6K0.79%−90,110−26.1%Reduced
Levin Capital Strategies, L.P.180,000$694.8K0.09%−108,000−37.5%Reduced
Morgan Stanley159,763$616.7K0.00%+62,370+64.0%Added
Krilogy Financial LLC153,750$593.5K0.05%+100,750+190.1%Added
O'Shaughnessy Asset Management, LLC152,597$589.0K0.01%+61,020+66.6%Added
Citigroup Inc144,987$559.6K0.00%+144,987New
Susquehanna International Group, LLP143,465$553.8K0.00%+23,113+19.2%Added
Goldman Sachs Group Inc137,399$530.4K0.00%+27,282+24.8%Added
Jane Street Group, LLC130,677$504.4K0.00%+130,677New
Ancora Advisors, LLC130,292$502.9K0.01%00.0%Unchanged
CWM, LLC125,787$486.0K0.00%−543,788−81.2%Reduced
Citadel Advisors LLC122,275$472.0K0.00%−49,983−29.0%Reduced
First Trust Advisors LP115,917$447.4K0.00%+21,135+22.3%Added
Northern Trust Corp99,215$383.0K0.00%+23,580+31.2%Added
Invesco Ltd.98,394$379.8K0.00%+11,063+12.7%Added
Advisor Group Holdings, Inc.95,066$367.0K0.00%00.0%Unchanged
HRT Financial LP88,757$342.0K0.00%+88,757New
D. E. Shaw & Co., Inc.84,055$324.5K0.00%+16,198+23.9%Added
Two Sigma Advisers, LP81,600$315.0K0.00%−114,138−58.3%Reduced
Ritholtz Wealth Management66,291$255.9K0.01%+28,895+77.3%Added
FMR LLC61,546$237.6K0.00%+74+0.1%Added
Marshall Wace, LLP59,930$231.3K0.00%−117,941−66.3%Reduced
Tudor Investment Corp Et Al51,110$197.0K0.00%−33,826−39.8%Reduced
Price T Rowe Associates Inc43,500$168.0K0.00%00.0%Unchanged
683 Capital Management, LLC41,000$158.3K0.01%+41,000New
Flagship Harbor Advisors, LLC40,000$154.4K0.01%00.0%Unchanged
Squarepoint Ops LLC39,506$152.5K0.00%+39,506New
Qube Research & Technologies Ltd37,034$143.0K0.00%−7,972−17.7%Reduced
Marquette Asset Management, LLC36,989$142.8K0.04%00.0%Unchanged
Jump Financial, LLC32,786$126.6K0.01%−21,343−39.4%Reduced
Man Group plc–$125.7K0.00%––
Sea Otter Advisors LLC31,877$123.0K0.08%+31,877New
Bank of America Corp31,647$122.2K0.00%+31,007+4,844.8%Added
Gsa Capital Partners LLP31,131$120.0K0.01%−85,333−73.3%Reduced
Elkhorn Partners Limited Partnership30,000$116.0K0.08%+5,000+20.0%Added
State of Wisconsin Investment Board29,500$113.9K0.00%−33,000−52.8%Reduced
LMR Partners LLP26,623$102.8K0.00%+26,623New
Royal Bank of Canada26,173$101.0K0.00%+26,035+18,865.9%Added
Bank of New York Mellon Corp22,253$85.9K0.00%00.0%Unchanged
SNS Financial Group, LLC22,000$84.9K0.01%00.0%Unchanged
Raymond James & Associates21,700$83.8K0.00%00.0%Unchanged
NJ State Employees Deferred Compensation Plan20,000$77.2K0.01%00.0%Unchanged
Maven Securities LTD20,000$77.2K0.01%00.0%Unchanged
Charles Schwab Investment Management Inc18,555$71.6K0.00%00.0%Unchanged
Investors Research Corp18,100$69.9K0.02%00.0%Unchanged
Shufro Rose & Co LLC18,015$69.5K0.01%−17,537−49.3%Reduced
Boothbay Fund Management, LLC18,000$69.5K0.00%−9,000−33.3%Reduced
Stokes Family Office, LLC16,880$65.2K0.01%+16,880New
Balyasny Asset Management LLC16,279$62.8K0.00%+16,279New
Tower Research Capital LLC (TRC)16,176$62.0K0.00%−225−1.4%Reduced
Barclays PLC15,112$58.3K0.00%+15,112New
Y-Intercept (Hong Kong) Ltd14,290$55.2K0.01%+14,290New
Schonfeld Strategic Advisors LLC12,635$48.8K0.00%+12,635New
Gateway Advisory, LLC12,000$46.0K0.01%00.0%Unchanged
Lighthouse Investment Partners, LLC11,849$45.7K0.00%−8,701−42.3%Reduced
Virtu Financial LLC11,042$43.0K0.00%+11,042New
Horizon Wealth Management, LLC10,000$38.6K0.03%00.0%Unchanged
UBS Group AG2,522$9.73K0.00%−1,171−31.7%Reduced
The PNC Financial Services Group, Inc.1,513$5.84K0.00%00.0%Unchanged
Wells Fargo & Company301$1.16K0.00%+38+14.4%Added
Deutsche Bank AG87$3360.00%00.0%Unchanged
JPMorgan Chase & Co118$00.00%00.0%Unchanged
Saba Capital Management, L.P.0$00.00%−158,158−100.0%Sold out
Caption Management, LLC0$00.00%−156,255−100.0%Sold out
Wolverine Trading, LLC0$00.00%−111,012−100.0%Sold out
Mariner, LLC0$00.00%−89,432−100.0%Sold out
Franklin Resources Inc0$00.00%−52,068−100.0%Sold out
Two Sigma Investments, LP0$00.00%−32,583−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−21,494−100.0%Sold out
Simplex Trading, LLC0$00.00%−16,298−100.0%Sold out
Prudential Financial Inc0$00.00%−13,200−100.0%Sold out
Nisa Investment Advisors, LLC0$00.00%−4,800−100.0%Sold out
Bartlett & Co. LLC0$00.00%−4,748−100.0%Sold out
Bartlett & Co. Wealth Management LLC0$00.00%−4,748−100.0%Sold out
Group One Trading, L.P.0$00.00%−2,967−100.0%Sold out
Quantbot Technologies LP0$00.00%−2,706−100.0%Sold out
Coppell Advisory Solutions LLC0$00.00%−166−100.0%Sold out
Coppell Advisory Solutions Corp.0$00.00%−166−100.0%Sold out
BNP Paribas Arbitrage, SA0$00.00%−67−100.0%Sold out