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Acacia Research

118 hedge funds and large institutions have $407M invested in Acacia Research in 2026 Q1 according to their latest regulatory filings, with 31 funds opening new positions, 38 increasing their positions, 30 reducing their positions, and 6 closing their positions.

New
Increased
Maintained
Reduced
Closed

417% more first-time investments, than exits

New positions opened: 31 | Existing positions closed: 6

106% more call options, than puts

Call options by funds: $293K | Put options by funds: $142K

100% more funds holding in top 10

Funds holding in top 10: 12 (+1)

30% more capital invested

Capital invested by funds: $314M → $407M (+$93.6M)

27% more repeat investments, than reductions

Existing positions increased: 38 | Existing positions reduced: 30

26% more funds holding

Funds holding: 94118 (+24)

0.88% more ownership

Funds ownership: 86.94%87.82% (+0.88%)

Holders
118
Holders Change
+24
Holders Change %
+25.53%
% of All Funds
1.45%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.02%
New
31
Increased
38
Reduced
30
Closed
6
Calls
$293K
Puts
$142K
Net Calls
+$151K
Net Calls Change
+$39K
Name Holding Trade Value Shares
Change
Change in
Stake
SV
1
Starboard Value
New York
$294M
State Street
2
State Street
Massachusetts
$14.9M -$173K -40,940 -1%
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$13.7M +$401K +95,089 +3%
BlackRock
4
BlackRock
New York
$11.6M +$179K +42,520 +2%
VCM
5
Vanguard Capital Management
Pennsylvania
$7.68M +$6.73M +1,596,121 New
Renaissance Technologies
6
Renaissance Technologies
New York
$6.77M +$51.8K +12,284 +0.9%
KF
7
Krilogy Financial
Missouri
$5.63M -$489K -115,926 -9%
PLC
8
Peapod Lane Capital
New York
$5.26M +$1.03M +245,382 +29%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$4.13M +$48.1K +11,412 +1%
PRCP
10
Pacific Ridge Capital Partners
Oregon
$3.93M +$29.2K +6,918 +0.9%
FAM
11
Formidable Asset Management
Ohio
$3.73M -$135K -31,962 -4%
BCM
12
Bridgeway Capital Management
Texas
$2.9M +$681K +161,624 +37%
Goldman Sachs
13
Goldman Sachs
New York
$2.81M +$1.16M +275,110 +89%
American Century Companies
14
American Century Companies
Missouri
$2.46M +$77.3K +18,335 +4%
AF
15
Aegis Financial
Virginia
$2.36M +$2.07M +491,086 New
TI
16
Tidal Investments
Wisconsin
$2.1M
EF
17
Empowered Funds
Pennsylvania
$1.64M +$1.43M +340,210 New
Morgan Stanley
18
Morgan Stanley
New York
$1.33M -$701K -166,361 -38%
Northern Trust
19
Northern Trust
Illinois
$1.3M +$113K +26,708 +11%
VPM
20
Vanguard Portfolio Management
Pennsylvania
$1.26M +$1.1M +261,909 New
VFT
21
Vanguard Fiduciary Trust
Pennsylvania
$1.06M +$933K +221,379 New
Citadel Advisors
22
Citadel Advisors
Florida
$950K -$563K -133,556 -40%
Susquehanna International Group
23
Susquehanna International Group
Pennsylvania
$944K +$241K +57,089 +41%
Franklin Resources
24
Franklin Resources
California
$891K +$781K +185,288 New
Jane Street
25
Jane Street
New York
$844K +$517K +122,787 +233%

ACTG Hedge Fund Activity: Q1 2026 in Review

118 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Acacia Research (ACTG) for Q1 2026, worth a combined $407M — up 30% from $314M a quarter earlier.

Buyers outnumbered sellers: 31 funds opened new ACTG positions and 6 closed out — a net gain of 25 holders — while 38 added to existing stakes and 30 trimmed.

The largest buyer was Aegis Financial, opening a new position worth an estimated $2.07M. The largest seller was Levin Capital Strategies, cutting an estimated $4.02M.

  • 118 institutional investors held Acacia Research (ACTG) as of Q1 2026, up from 94 in Q4 2025.
  • Funds reported $407M of Acacia Research stock for Q1 2026, up 30% quarter-over-quarter.
  • 31 funds opened new Acacia Research positions in Q1 2026 and 6 closed out, a net change of +25 holders.
  • The largest Acacia Research buyer in Q1 2026 was Aegis Financial, an estimated $2.07M added.
  • The largest Acacia Research seller in Q1 2026 was Levin Capital Strategies, an estimated $4.02M sold.

Based on aggregated 13F filings for Q1 2026.