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Acacia Research

85 hedge funds and large institutions have $299M invested in Acacia Research in 2025 Q2 according to their latest regulatory filings, with 12 funds opening new positions, 31 increasing their positions, 28 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed

13% more capital invested

Capital invested by funds: $266M → $299M (+$33.4M)

11% more repeat investments, than reductions

Existing positions increased: 31 | Existing positions reduced: 28

0.51% more ownership

Funds ownership: 86.48%86.99% (+0.51%)

4% less funds holding

Funds holding: 8985 (-4)

25% less first-time investments, than exits

New positions opened: 12 | Existing positions closed: 16

68% less call options, than puts

Call options by funds: $77K | Put options by funds: $239K

Holders
85
Holders Change
-4
Holders Change %
-4.49%
% of All Funds
1.12%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
12
Increased
31
Reduced
28
Closed
16
Calls
$77K
Puts
$239K
Net Calls
-$162K
Net Calls Change
+$148K
Name Holding Trade Value Shares
Change
Change in
Stake
SV
1
Starboard Value
New York
$219M
State Street
2
State Street
Massachusetts
$10.1M +$35.1K +10,200 +0.4%
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$9.72M +$932K +270,575 +11%
BlackRock
4
BlackRock
New York
$8.48M -$327K -95,027 -4%
Vanguard Group
5
Vanguard Group
Pennsylvania
$8.22M +$217K +63,126 +3%
Renaissance Technologies
6
Renaissance Technologies
New York
$5.58M -$66.2K -19,214 -1%
KF
7
Krilogy Financial
Missouri
$5.01M +$828K +240,535 +21%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$3.07M -$73.6K -21,365 -2%
PRCP
9
Pacific Ridge Capital Partners
Oregon
$3.07M -$348K -101,088 -11%
FAM
10
Formidable Asset Management
Ohio
$3.07M -$72K -20,906 -2%
PLC
11
Peapod Lane Capital
New York
$2.57M +$974K +282,913 +65%
Citadel Advisors
12
Citadel Advisors
Florida
$2.13M +$1.68M +487,294 +456%
American Century Companies
13
American Century Companies
Missouri
$1.77M +$102K +29,659 +6%
TI
14
Tidal Investments
Wisconsin
$1.31M -$72K -20,906 -5%
LCS
15
Levin Capital Strategies
New York
$1.08M +$91.5K +26,574 +10%
Goldman Sachs
16
Goldman Sachs
New York
$1.06M +$335K +97,256 +49%
Northern Trust
17
Northern Trust
Illinois
$1.05M -$68.3K -19,830 -6%
Morgan Stanley
18
Morgan Stanley
New York
$990K +$489K +142,137 +106%
CP
19
Clayton Partners
California
$959K +$435K +126,397 +89%
Bank of New York Mellon
20
Bank of New York Mellon
New York
$910K +$16.3K +4,726 +2%
BCM
21
Bridgeway Capital Management
Texas
$867K +$59.3K +17,216 +8%
Susquehanna International Group
22
Susquehanna International Group
Pennsylvania
$857K +$124K +36,111 +18%
EF
23
Empowered Funds
Pennsylvania
$698K +$59.3K +17,216 +10%
WCM
24
Westerly Capital Management
California
$617K -$439K -127,545 -43%
Marshall Wace
25
Marshall Wace
United Kingdom
$614K +$590K +171,412 New

ACTG Hedge Fund Activity: Q2 2025 in Review

85 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Acacia Research (ACTG) for Q2 2025, worth a combined $299M — up 13% from $266M a quarter earlier.

Sellers outnumbered buyers: 16 funds closed out of ACTG and 12 opened new positions — a net loss of 4 holders — while 28 trimmed existing stakes and 31 added.

The largest buyer was Citadel Advisors, adding an estimated $1.68M. The largest seller was JP Morgan Chase, cutting an estimated $2.46M.

  • 85 institutional investors held Acacia Research (ACTG) as of Q2 2025, down from 89 in Q1 2025.
  • Funds reported $299M of Acacia Research stock for Q2 2025, up 13% quarter-over-quarter.
  • 12 funds opened new Acacia Research positions in Q2 2025 and 16 closed out, a net change of -4 holders.
  • The largest Acacia Research buyer in Q2 2025 was Citadel Advisors, an estimated $1.68M added.
  • The largest Acacia Research seller in Q2 2025 was JP Morgan Chase, an estimated $2.46M sold.

Based on aggregated 13F filings for Q2 2025.