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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 2022

Institutional positions in Acacia Research Corp as of Mar 31, 2022. 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
96
−14 vs. Q4 2021
Shares held
27.5M
−1.76M (−6.0%) vs. Q4 2021
Total value
$123.9M
−$26.3M (−17.5%) vs. Q4 2021
New holders
9
22 more added
Sold out
23
46 more reduced

Compare with Q4 2021: 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 2022: 96 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 2022: $123.9M
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 2022

Shares, value and share of portfolio for each institution holding Acacia Research Corp; share changes are against Q4 2021.

Institutions holding ACTG in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.3,281,170$14.8M0.00%−90,576−2.7%Reduced
Invesco Ltd.2,637,106$11.9M0.00%+45,697+1.8%Added
Vanguard Group Inc2,536,626$11.4M0.00%+203,300+8.7%Added
Renaissance Technologies LLC1,980,900$8.93M0.01%−55,600−2.7%Reduced
Formidable Asset Management, LLC1,948,076$8.79M1.68%+374,623+23.8%Added
ArrowMark Colorado Holdings LLC1,800,018$8.12M0.07%00.0%Unchanged
Granahan Investment Management Inc1,653,869$7.46M0.19%−699,825−29.7%Reduced
Pacific Ridge Capital Partners, LLC1,268,532$5.72M1.09%−1,312−0.1%Reduced
State Street Corp932,910$4.21M0.00%−724−0.1%Reduced
Geode Capital Management, LLC841,181$3.79M0.00%+18,989+2.3%Added
Dimensional Fund Advisors LP703,734$3.17M0.00%−345,418−32.9%Reduced
CWM, LLC669,575$3.02M0.02%00.0%Unchanged
Bridgeway Capital Management, LLC450,000$2.03M0.04%−25,000−5.3%Reduced
Difesa Capital Management, LP436,500$1.97M1.26%+90,000+26.0%Added
Northern Trust Corp421,874$1.90M0.00%−16,802−3.8%Reduced
Toroso Investments, LLC385,979$1.74M0.05%+108,974+39.3%Added
Wolf Hill Capital Management, LP366,262$1.65M0.36%−156,925−30.0%Reduced
Capital Wealth Alliance, LLC346,794$1.56M0.93%−5,558−1.6%Reduced
Jacobs Levy Equity Management, Inc318,031$1.43M0.01%−42,277−11.7%Reduced
Cooper Creek Partners Management LLC293,198$1.32M0.14%00.0%Unchanged
Westerly Capital Management, LLC275,000$1.24M0.92%+275,000New
Two Sigma Advisers, LP238,638$1.08M0.00%+14,400+6.4%Added
Bank of New York Mellon Corp193,738$873.0K0.00%−3,337−1.7%Reduced
Royce & Associates LP190,000$857.0K0.01%00.0%Unchanged
Ancora Advisors, LLC177,934$803.0K0.02%−2,000−1.1%Reduced
Caption Management, LLC167,774$756.0K0.05%−62,226−27.1%Reduced
Nuveen Asset Management, LLC190,314$715.0K0.00%+1,092+0.6%Added
Susquehanna International Group, LLP145,810$658.0K0.00%+22,637+18.4%Added
State of Wisconsin Investment Board134,000$604.0K0.00%+78,100+139.7%Added
Eidelman Virant Capital133,000$599.0K0.32%00.0%Unchanged
PEAK6 Investments LLC132,559$598.0K0.02%−15,650−10.6%Reduced
Charles Schwab Investment Management Inc132,184$597.0K0.00%00.0%Unchanged
Parametric Portfolio Associates LLC130,774$590.0K0.00%−9,113−6.5%Reduced
Wolverine Trading, LLC131,863$551.0K0.02%+131,863New
Goldman Sachs Group Inc120,054$541.0K0.00%−114,000−48.7%Reduced
Group One Trading, L.P.114,697$517.0K0.01%−57,540−33.4%Reduced
Advisor Group Holdings, Inc.96,921$437.0K0.00%00.0%Unchanged
Two Sigma Investments, LP88,587$400.0K0.00%+661+0.8%Added
Mariner, LLC82,038$370.0K0.00%+1,746+2.2%Added
Rhumbline Advisers79,590$359.0K0.00%−6,768−7.8%Reduced
Millennium Management LLC75,326$340.0K0.00%−153,991−67.2%Reduced
Los Angeles Capital Management LLC70,150$316.0K0.00%+70,150New
Public Employees Retirement System of Ohio62,398$281.0K0.00%−6,300−9.2%Reduced
FMR LLC61,799$279.0K0.00%+899+1.5%Added
Nomura Holdings Inc53,751$252.0K0.00%+17,200+47.1%Added
Simplex Trading, LLC54,279$244.0K0.01%−112,473−67.4%Reduced
Cubist Systematic Strategies, LLC49,590$224.0K0.00%+1,280+2.6%Added
Flagship Harbor Advisors, LLC40,000$180.0K0.02%00.0%Unchanged
Morgan Stanley36,757$166.0K0.00%−21,773−37.2%Reduced
Citadel Advisors LLC36,221$163.0K0.00%−26,400−42.2%Reduced
Shufro Rose & Co LLC35,552$160.0K0.01%+17,537+97.3%Added
Price T Rowe Associates Inc34,795$157.0K0.00%+1,200+3.6%Added
State Board of Administration of Florida Retirement System34,484$156.0K0.00%00.0%Unchanged
Boothbay Fund Management, LLC34,654$156.0K0.00%+600+1.8%Added
New York State Common Retirement Fund33,543$151.0K0.00%+48+0.1%Added
Marshall Wace, LLP32,317$146.0K0.00%+12,990+67.2%Added
Elkhorn Partners Limited Partnership31,000$140.0K0.08%+2,200+7.6%Added
Clear Street Markets LLC30,400$137.0K0.04%+30,400New
Gsa Capital Partners LLP26,629$120.0K0.02%−19,938−42.8%Reduced
Deutsche Bank AG26,707$120.0K0.00%−3,158−10.6%Reduced
American International Group, Inc.24,341$110.0K0.00%−1,714−6.6%Reduced
Manufacturers Life Insurance Company, The23,794$107.3K0.00%−5,894−19.9%Reduced
JPMorgan Chase & Co23,111$105.0K0.00%−32,905−58.7%Reduced
SNS Financial Group, LLC22,000$99.0K0.01%00.0%Unchanged
Powell Investment Advisors, LLC21,500$97.0K0.06%00.0%Unchanged
Raymond James & Associates21,200$96.0K0.00%−3,600−14.5%Reduced
California State Teachers Retirement System21,007$95.0K0.00%−6,049−22.4%Reduced
Tower Research Capital LLC (TRC)20,835$94.0K0.00%+4,131+24.7%Added
Dalton Investments LLC20,000$90.0K0.06%00.0%Unchanged
NJ State Employees Deferred Compensation Plan20,000$90.0K0.01%00.0%Unchanged
Voya Investment Management LLC19,741$89.0K0.00%00.0%Unchanged
Investors Research Corp18,100$82.0K0.02%−150−0.8%Reduced
STRS Ohio17,900$80.0K0.00%+17,900New
Jump Financial, LLC16,100$73.0K0.00%−2,904−15.3%Reduced
BNP Paribas Arbitrage, SA15,245$68.8K0.00%−5,921−28.0%Reduced
UBS Group AG13,709$62.0K0.00%−9,822−41.7%Reduced
Bank of America Corp13,150$59.0K0.00%−48,635−78.7%Reduced
Alliancebernstein L.P.13,041$59.0K0.00%−2,800−17.7%Reduced
Gateway Advisory, LLC12,000$54.0K0.01%00.0%Unchanged
Wells Fargo & Company11,257$51.0K0.00%−15,987−58.7%Reduced
Levin Capital Strategies, L.P.10,000$45.0K0.00%−34,911−77.7%Reduced
First Manhattan Co10,000$45.0K0.00%−13,000−56.5%Reduced
Russell Investments Group, Ltd.8,549$37.0K0.00%−5,671−39.9%Reduced
Barclays PLC7,961$36.0K0.00%−51,549−86.6%Reduced
Amalgamated Bank5,928$27.0K0.00%+5,928New
Amalgamated Financial Corp.5,928$27.0K0.00%+5,928New
Ameritas Investment Partners, Inc.4,242$19.0K0.00%00.0%Unchanged
Legal & General Group Plc3,802$17.0K0.00%00.0%Unchanged
Royal Bank of Canada3,013$14.0K0.00%−6,906−69.6%Reduced
The PNC Financial Services Group, Inc.2,827$13.0K0.00%00.0%Unchanged
Citigroup Inc2,111$10.0K0.00%−10,385−83.1%Reduced
Thompson Siegel & Walmsley LLC963$4.00K0.00%−17,272−94.7%Reduced
Quantbot Technologies LP800$3.00K0.00%+800New
Steward Partners Investment Advisory, LLC500$2.00K0.00%00.0%Unchanged
Point72 Hong Kong Ltd80$00.00%−1,011−92.7%Reduced
Toronto Dominion Bank6$00.00%+6New
Prescott Group Capital Management, L.L.C.0$00.00%−155,650−100.0%Sold out
Kerrisdale Advisers, LLC0$00.00%−150,000−100.0%Sold out
SeaCrest Wealth Management, LLC0$00.00%−145,000−100.0%Sold out
Baird Financial Group, Inc.0$00.00%−131,033−100.0%Sold out