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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, Q4 2023

Institutional positions in Acacia Research Corp as of Dec 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
95
+6 vs. Q3 2023
Shares held
86.8M
+678.0K (+0.8%) vs. Q3 2023
Total value
$340.1M
+$25.9M (+8.2%) vs. Q3 2023
New holders
10
33 more added
Sold out
4
30 more reduced

Compare with Q3 2023: 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 holdersQ4 2023: 95 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 heldQ4 2023: $340.1M
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, Q4 2023

Shares, value and share of portfolio for each institution holding Acacia Research Corp; share changes are against Q3 2023.

Institutions holding ACTG in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Starboard Value LPSuperinvestorStarboard Value61,123,595$239.6M5.00%00.0%Unchanged
State Street Corp2,683,064$10.5M0.00%+1,633,468+155.6%Added
BlackRock Inc.2,482,974$9.73M0.00%+128,101+5.4%Added
ArrowMark Colorado Holdings LLC2,359,662$9.25M0.10%00.0%Unchanged
Vanguard Group Inc2,233,943$8.76M0.00%+25,843+1.2%Added
Formidable Asset Management, LLC1,684,911$6.60M1.37%−71,024−4.0%Reduced
Renaissance Technologies LLC1,531,200$6.00M0.01%−80,800−5.0%Reduced
Dimensional Fund Advisors LP1,368,782$5.37M0.00%−233,626−14.6%Reduced
Royce & Associates LP1,218,471$4.78M0.04%+83,954+7.4%Added
Pacific Ridge Capital Partners, LLC1,125,119$4.41M0.90%−13,503−1.2%Reduced
Geode Capital Management, LLC883,900$3.47M0.00%+17,253+2.0%Added
Roumell Asset Management, LLC727,463$2.85M6.13%00.0%Unchanged
Clayton Partners LLC575,000$2.25M1.83%00.0%Unchanged
Toroso Investments, LLC533,444$2.09M0.05%−20,918−3.8%Reduced
Fuller & Thaler Asset Management, Inc.532,192$2.09M0.01%00.0%Unchanged
Bridgeway Capital Management, LLC514,257$2.02M0.04%−174,493−25.3%Reduced
Acuitas Investments, LLC439,591$1.72M0.90%+1230.0%Added
Morgan Stanley374,964$1.47M0.00%+285,928+321.1%Added
Westerly Capital Management, LLC360,000$1.41M0.85%+85,000+30.9%Added
Northern Trust Corp328,248$1.29M0.00%−3,246−1.0%Reduced
Krilogy Financial LLC270,000$1.06M0.09%+1,250+0.5%Added
Brandywine Global Investment Management, LLC269,263$1.06M0.01%+222,240+472.6%Added
Levin Capital Strategies, L.P.238,000$933.0K0.10%−129,119−35.2%Reduced
Goldman Sachs Group Inc174,911$685.7K0.00%+61,208+53.8%Added
Empowered Funds, LLC159,526$625.3K0.02%+14,376+9.9%Added
Squarepoint Ops LLC141,761$555.7K0.00%+76,208+116.3%Added
Invesco Ltd.134,946$529.0K0.00%+2,938+2.2%Added
Ancora Advisors, LLC129,902$509.2K0.01%−390−0.3%Reduced
Capital Wealth Alliance, LLC124,504$488.1K0.33%−34,036−21.5%Reduced
Bank of New York Mellon Corp118,895$466.1K0.00%00.0%Unchanged
Charles Schwab Investment Management Inc116,573$457.0K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.99,360$389.5K0.00%+11,960+13.7%Added
Marquette Asset Management, LLC93,273$365.6K0.07%00.0%Unchanged
Susquehanna International Group, LLP92,810$363.8K0.00%+16,168+21.1%Added
Jefferies Financial Group Inc.87,000$341.0K0.01%+12,000+16.0%Added
Mariner, LLC75,480$295.9K0.00%+11,645+18.2%Added
Two Sigma Investments, LP73,822$289.4K0.00%+73,822New
Rhumbline Advisers64,158$251.5K0.00%−420−0.7%Reduced
FMR LLC61,210$239.9K0.00%+240.0%Added
Price T Rowe Associates Inc60,226$237.0K0.00%+1,093+1.8%Added
Citadel Advisors LLC54,940$215.4K0.00%+31,876+138.2%Added
JPMorgan Chase & Co54,816$214.9K0.00%+30,059+121.4%Added
Two Sigma Advisers, LP53,238$208.7K0.00%+42,438+392.9%Added
Bank of America Corp52,965$207.6K0.00%+18,828+55.2%Added
Nuveen Asset Management, LLC52,865$207.2K0.00%00.0%Unchanged
Barclays PLC52,565$206.1K0.00%+43,825+501.4%Added
UBS Group AG44,720$175.3K0.00%+23,638+112.1%Added
O'Shaughnessy Asset Management, LLC40,834$160.1K0.00%−60,408−59.7%Reduced
Flagship Harbor Advisors, LLC40,000$156.8K0.01%00.0%Unchanged
Wolverine Trading, LLC38,015$149.0K0.00%−49,481−56.6%Reduced
CI Private Wealth, LLC37,000$145.0K0.00%+37,000New
Elkhorn Partners Limited Partnership32,100$126.0K0.09%00.0%Unchanged
American Century Companies Inc27,662$108.4K0.00%+9,405+51.5%Added
Jane Street Group, LLC24,708$96.9K0.00%−10,920−30.7%Reduced
Portolan Capital Management, LLC24,000$94.1K0.01%−1,176,802−98.0%Reduced
Ritholtz Wealth Management23,583$92.4K0.00%−19,375−45.1%Reduced
SG Americas Securities, LLC23,244$91.0K0.00%+6,866+41.9%Added
New York State Common Retirement Fund22,829$89.5K0.00%+29+0.1%Added
Mirae Asset Global Investments Co., Ltd.22,079$86.5K0.00%00.0%Unchanged
SNS Financial Group, LLC22,000$86.2K0.01%00.0%Unchanged
MetLife Investment Management20,191$79.1K0.00%00.0%Unchanged
NJ State Employees Deferred Compensation Plan20,000$78.4K0.01%00.0%Unchanged
American International Group, Inc.18,895$74.1K0.00%−75−0.4%Reduced
Raymond James & Associates17,300$67.8K0.00%00.0%Unchanged
HRT Financial LP16,123$63.0K0.00%−64,768−80.1%Reduced
Millennium Management LLC15,991$62.7K0.00%−70,648−81.5%Reduced
Simplex Trading, LLC15,708$61.0K0.00%+15,708New
Investors Research Corp15,100$59.2K0.01%−3,000−16.6%Reduced
Janney Montgomery Scott LLC15,124$59.0K0.00%+15,124New
Corsair Capital Management, L.P.15,000$58.8K0.02%+15,000New
Shufro Rose & Co LLC15,000$54.8K0.01%00.0%Unchanged
Victory Capital Management Inc13,180$51.7K0.00%+2,426+22.6%Added
Jump Financial, LLC12,700$49.8K0.00%+1,400+12.4%Added
Alliancebernstein L.P.12,600$49.4K0.00%+12,600New
Gateway Advisory, LLC12,000$47.0K0.01%00.0%Unchanged
Wells Fargo & Company11,704$45.9K0.00%+2,310+24.6%Added
Royal Bank of Canada11,454$45.0K0.00%−7,628−40.0%Reduced
BNP Paribas Arbitrage, SA11,430$44.8K0.00%−4,015−26.0%Reduced
Manufacturers Life Insurance Company, The11,131$43.6K0.00%−7,721−41.0%Reduced
Horizon Wealth Management, LLC10,000$39.2K0.01%00.0%Unchanged
CWM, LLC8,148$32.0K0.00%−1,602−16.4%Reduced
Group One Trading, L.P.6,837$26.8K0.00%−182−2.6%Reduced
California State Teachers Retirement System6,257$24.5K0.00%−2,130−25.4%Reduced
Citigroup Inc5,643$22.1K0.00%+5,625+31,250.0%Added
Tower Research Capital LLC (TRC)5,291$20.7K0.00%−18,546−77.8%Reduced
Nisa Investment Advisors, LLC4,900$19.2K0.00%+4,900New
Legal & General Group Plc3,480$13.6K0.00%00.0%Unchanged
Amalgamated Bank3,316$13.0K0.00%−381−10.3%Reduced
Ameritas Investment Partners, Inc.3,139$12.3K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.1,513$5.93K0.00%00.0%Unchanged
Qube Research & Technologies Ltd334$1.31K0.00%+334New
Metropolitan Life Insurance Co268$1.05K0.00%−1,824−87.2%Reduced
Pacific Capital Wealth Advisors, Inc100$3920.00%+100New
Deutsche Bank AG87$3410.00%+87New
Coppell Advisory Solutions LLC29$1140.00%−54−65.1%Reduced
Caption Management, LLC0$00.00%−78,580−100.0%Sold out
Occudo Quantitative Strategies LP0$00.00%−30,589−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−25,852−100.0%Sold out
Maven Securities LTD0$00.00%−10,000−100.0%Sold out