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ARX

Accelerant Holdings
ARX

98 hedge funds and large institutions have $809M invested in Accelerant Holdings in 2025 Q4 according to their latest regulatory filings, with 38 funds opening new positions, 25 increasing their positions, 27 reducing their positions, and 26 closing their positions.

New
Increased
Maintained
Reduced
Closed

19,060% more call options, than puts

Call options by funds: $958K | Put options by funds: $5K

100% more funds holding in top 10

Funds holding in top 10: 2 → 4 (+2)

46% more first-time investments, than exits

New positions opened: 38 | Existing positions closed: 26

11% more funds holding

Funds holding: 88 → 98 (+10)

11% more capital invested

Capital invested by funds: $728M → $809M (+$81.5M)

0.02% more ownership

Funds ownership: 43.68% → 43.7% (+0.02%)

7% less repeat investments, than reductions

Existing positions increased: 25 | Existing positions reduced: 27

Holders
98
Holders Change
+10
Holders Change %
+11.36%
% of All Funds
1.19%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.05%
New
38
Increased
25
Reduced
27
Closed
26
Calls
$958K
Puts
$5K
Net Calls
+$953K
Net Calls Change
+$2.39M

Top Buyers

Rank Fund Capital Flow
1
KC
Keenan Capital
California
+$44.2M
2
ACL
Azora Capital LP
Florida
+$25.5M
3
Fidelity Investments
Fidelity Investments
Massachusetts
+$17.3M
4
Balyasny Asset Management
Balyasny Asset Management
Illinois
+$10.1M
5
GPGA
Grandeur Peak Global Advisors
Utah
+$9.51M

Top Sellers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
-$29M
2
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
-$19.4M
3
DCM
Driehaus Capital Management
Illinois
-$15.1M
4
Millennium Management
Millennium Management
New York
-$9.72M
5
Neuberger Berman Group
Neuberger Berman Group
New York
-$8.25M
Name Holding Trade Value Shares
Change 		Change in
Stake
Squarepoint
26
Squarepoint
New York
$3.25M -$434K -30,825 -13%
LIP
27
Lighthouse Investment Partners
Florida
$3.25M +$374K +26,539 +15%
WP
28
Woodline Partners
California
$3.23M +$731K +51,899 +36%
Millennium Management
29
Millennium Management
New York
$2.97M -$9.72M -690,433 -79%
Teacher Retirement System of Texas
30
Teacher Retirement System of Texas
Texas
$2.88M +$14.7K +1,043 +0.6%
CMF
31
Counterpoint Mutual Funds
California
$2.88M +$2.48M +175,967 New
LGM
32
Lykos Global Management
Connecticut
$2.86M +$2.46M +175,000 New
IP
33
Interval Partners
New York
$2.77M -$671K -47,662 -22%
Neuberger Berman Group
34
Neuberger Berman Group
New York
$2.62M -$8.25M -586,070 -79%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
35
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$2.45M – – –
CC
36
Centiva Capital
New York
$2.09M -$330K -23,428 -16%
Walleye Capital
37
Walleye Capital
New York
$2.06M -$2.45M -173,920 -58%
Morgan Stanley
38
Morgan Stanley
New York
$1.77M +$255K +18,131 +20%
XT
39
XTX Topco
Cayman Islands
$1.74M +$597K +42,383 +66%
GCM
40
Ghisallo Capital Management
Massachusetts
$1.64M -$4.58M -325,000 -76%
BGM
41
Burkehill Global Management
New York
$1.64M – – –
GIPM
42
G2 Investment Partners Management
New York
$1.53M +$1.31M +93,341 New
Swiss National Bank
43
Swiss National Bank
Switzerland
$1.27M +$1.1M +77,900 New
Tiger Global Management
44
Tiger Global Management
New York
$1.23M – – –
Renaissance Technologies
45
Renaissance Technologies
New York
$1.19M +$1.02M +72,700 New
UBS AM
46
UBS AM
Illinois
$971K +$837K +59,414 New
YMRC
47
Yorktown Management & Research Company
Virginia
$970K +$835K +59,300 New
SSA
48
Schonfeld Strategic Advisors
New York
$935K -$1.4M -99,451 -63%
SC
49
SummitTX Capital
Texas
$928K +$350K +24,860 +78%
JG
50
Jain Global
New York
$821K -$2.11M -149,766 -75%
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ARX Hedge Fund Activity: Q4 2025 in Review

98 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Accelerant Holdings (ARX) for Q4 2025, worth a combined $809M — up 11% from $728M a quarter earlier.

Buyers outnumbered sellers: 38 funds opened new ARX positions and 26 closed out — a net gain of 12 holders — while 25 added to existing stakes and 27 trimmed.

The largest buyer was Keenan Capital, opening a new position worth an estimated $44.2M. The largest seller was BlackRock, cutting an estimated $29M.

  • 98 institutional investors held Accelerant Holdings (ARX) as of Q4 2025, up from 88 in Q3 2025.
  • Funds reported $809M of Accelerant Holdings stock for Q4 2025, up 11% quarter-over-quarter.
  • 38 funds opened new Accelerant Holdings positions in Q4 2025 and 26 closed out, a net change of +12 holders.
  • The largest Accelerant Holdings buyer in Q4 2025 was Keenan Capital, an estimated $44.2M added.
  • The largest Accelerant Holdings seller in Q4 2025 was BlackRock, an estimated $29M sold.

Based on aggregated 13F filings for Q4 2025.