Acacia Research ACTG Institutional Ownership

NASDAQ ACTG

$4.18 -0.02 (-0.48%)

At close: Oct 21, 2026 · 4:00 PM EDT

Institutions by Trading Activity

122 Institutions

Increased 64 52.5%

Unchanged 28 23.0%

Reduced 30 24.6%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

88.16%

▲+0.50 pp QoQ

Shares Held by Institutions

86.03Mn

of 97.59Mn outstanding

▲+1.61% QoQ

Shares Outstanding

97.59Mn

11.55Mn held outside 13F filers

Institutional Investors

122

filed 13F for Jun 2026

▲+6 vs prior quarter

Net Shares Added (QoQ)

+1.36Mn

accumulated since last quarter

Value of Holdings

$361.34Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 10, 2026

Acacia Research Corp (NASDAQ:ACTG) had 122 institutional holders reporting a position on Form 13F for the quarter ended June 30, 2026.

Collectively, these holders controlled 88.16% of Acacia Research's outstanding shares in Q2 2026, up from 87.66% in Q1 2026.
Total shares held in Acacia Research rose 1.61% versus Q1 2026, while the number of holders rose 48.78% versus Q2 2025.
Among the 122 holders of Acacia Research, 64 added to their positions, 30 reduced their stakes and 28 left their positions unchanged.
Institutional investors held 86.03Mn shares of Acacia Research in total at the end of Q2 2026, up 1.36Mn from the prior quarter and up 3.25Mn from a year earlier.
Starboard Value LP led 13F holders of ACTG with 61.12Mn shares as of June 30, 2026, or 62.64% of shares outstanding.
Among holders that already owned Acacia Research, the biggest buyers in Q2 2026 were Goldman Sachs Group Inc (+591.06K shares), BlackRock, Inc. (+190.91K shares), American Century Companies Inc (+181.94K shares), AQR Capital Management LLC (+154.68K shares) and Acadian Asset Management LLC (+108.35K shares).
The biggest cuts to ACTG positions during Q2 2026 came from Vanguard Capital Management LLC (-110.93K shares), Peapod Lane Capital LLC (-96.57K shares), Morgan Stanley (-63.77K shares), Jane Street Group, LLC (-63.64K shares) and Point72 Asset Management, L.P. (-46.14K shares).
Per Business Quant data, the 10 largest holders of Acacia Research at the end of Q2 2026 were Starboard Value LP (61.12Mn shares), State Street Corp (3.17Mn shares), Dimensional Fund Advisors LP (2.94Mn shares), BlackRock, Inc. (2.6Mn shares), Vanguard Capital Management LLC (1.49Mn shares), Renaissance Technologies LLC (1.42Mn shares), Goldman Sachs Group Inc (1.18Mn shares), Krilogy Financial LLC (1.13Mn shares), Peapod Lane Capital LLC (994.77K shares) and Geode Capital Management, LLC (900.81K shares).

Form 13F Holdings

123 Institutional Holders

Report period 30 Jun, 2026

Total shares held 86.03Mn

Of outstanding 88.16%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Starboard Value LP	0001517137	61,123,595	62.64%	0	0.00%	$284.84Mn
2	State Street Corp	0000093751	3,166,717	3.25%	▲61,676	+1.99%	$14.76Mn
3	DIMENSIONAL FUND ADVISORS LP	0000354204	2,941,723	3.01%	▲87,834	+3.08%	$13.71Mn
4	BlackRock, Inc.	0002012383	2,597,274	2.66%	▲190,907	+7.93%	$12.10Mn
5	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,485,187	1.52%	▼110,934	-6.95%	$6.92Mn
6	RENAISSANCE TECHNOLOGIES LLC	0001037389	1,415,088	1.45%	▲7,504	+0.53%	$6.59Mn
7	Goldman Sachs Group Inc	0000886982	1,175,163	1.20%	▲591,061	+101.19%	$5.48Mn
8	Krilogy Financial LLC	0001659047	1,127,831	1.16%	▲344	+0.03%	$5.26Mn
9	Peapod Lane Capital LLC	0002050979	994,770	1.02%	▼96,566	-8.85%	$4.64Mn
10	GEODE CAPITAL MANAGEMENT, LLC	0001214717	900,809	0.92%	▲43,090	+5.02%	$4.20Mn
11	Pacific Ridge Capital Partners, LLC	0001591546	810,962	0.83%	▼6,280	-0.77%	$3.78Mn
12	Formidable Asset Management, LLC	0001592613	793,136	0.81%	▼45,733	-5.45%	$3.74Mn
13	AMERICAN CENTURY COMPANIES INC	0000748054	693,309	0.71%	▲181,935	+35.58%	$3.23Mn
14	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0001107261	629,326	0.64%	▲25,816	+4.28%	$2.93Mn
15	AEGIS FINANCIAL CORP	0001140753	491,086	0.50%	0	0.00%	$2.29Mn
16	Tidal Investments LLC	0001600064	424,173	0.43%	▼13,255	-3.03%	$1.98Mn
17	Empowered Funds, LLC	0001592828	366,026	0.38%	▲25,816	+7.59%	$1.71Mn
18	Northern Trust Corp	0000073124	289,835	0.30%	▲20,188	+7.49%	$1.35Mn
19	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	289,396	0.30%	▲27,487	+10.49%	$1.35Mn
20	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0001446194	288,462	0.30%	▲92,166	+46.95%	$1.34Mn

Showing 1 to 20 of 123 holders