Acacia Research Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:ACTG Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
11 Aug 25	BuyUS$25,147	Michael Zambito	Individual		7,700	US$3.27

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of ACTG?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	1,658,624	1.72%
General Public	10,112,008	10.5%
Institutions	23,694,905	24.5%
Hedge Funds	61,123,595	63.3%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 85.24% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
63.3%	Starboard Value LP	61,123,595	US$284.8m	0%	5.92%
3.21%	State Street Global Advisors, Inc.	3,105,041	US$14.5m	-1.3%	no data
2.95%	Dimensional Fund Advisors LP	2,853,889	US$13.3m	3.45%	no data
2.49%	BlackRock, Inc.	2,406,367	US$11.2m	1.8%	no data
1.65%	Vanguard Capital Management, LLC	1,596,121	US$7.4m	0%	no data
1.46%	Renaissance Technologies LLC	1,407,584	US$6.6m	0.88%	0.01%
1.17%	Krilogy Financial LLC	1,127,487	US$5.3m	-9.32%	0.16%
1.13%	Peapod Lane Capital LLC	1,091,336	US$5.1m	29%	3.62%
0.98%	Bridgeway Capital Management, LLC	943,720	US$4.4m	37.5%	0.05%
0.89%	Geode Capital Management, LLC	857,719	US$4.0m	1.35%	no data
0.85%	Pacific Ridge Capital Partners, LLC	817,242	US$3.8m	0.85%	0.7%
0.82%	Formidable Asset Management, LLC	793,136	US$3.7m	-13.7%	0.57%
0.53%	American Century Investment Management Inc	511,374	US$2.4m	3.72%	no data
0.51%	Aegis Financial Corporation	491,086	US$2.3m	0%	0.19%
0.48%	Goldman Sachs Asset Management, L.P.	465,338	US$2.2m	257%	no data
0.45%	Tidal Investments LLC	437,428	US$2.0m	0%	0.01%
0.43%	Martin McNulty	418,430	US$1.9m	205%	no data
0.31%	Maureen O'Connell	297,655	US$1.4m	9.19%	no data
0.28%	Northern Trust Global Investments	269,647	US$1.3m	11%	no data
0.27%	Vanguard Portfolio Management, LLC	261,909	US$1.2m	0%	no data
0.24%	Jason Soncini	235,615	US$1.1m	44.5%	no data
0.23%	Vanguard Fiduciary Trust Company	221,379	US$1.0m	-0.18%	no data
0.21%	Gavin Molinelli	205,966	US$959.8k	18.1%	no data
0.2%	Citadel Advisors LLC	197,571	US$920.7k	-40.3%	no data
0.2%	Susquehanna International Group, LLP	196,296	US$914.7k	41%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/07/27 08:48
End of Day Share Price	2026/07/24 00:00
Earnings	2026/03/31
Annual Earnings	2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Acacia Research Corporation is covered by 7 analysts. 1 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Darrin Peller	Barclays
Daniel Gelbtuch	Cantor Fitzgerald & Co.
Anthony Stoss	Craig-Hallum Capital Group LLC