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SIMA

SIM Acquisition Corp I
SIMA

44 hedge funds and large institutions have $231M invested in SIM Acquisition Corp I in 2025 Q2 according to their latest regulatory filings, with 11 funds opening new positions, 7 increasing their positions, 13 reducing their positions, and 3 closing their positions.

New
Increased
Maintained
Reduced
Closed

267% more first-time investments, than exits

New positions opened: 11 | Existing positions closed: 3

19% more funds holding

Funds holding: 37 → 44 (+7)

15% more capital invested

Capital invested by funds: $201M → $231M (+$29.4M)

10.69% more ownership

Funds ownership: 85.52% → 96.21% (+11%)

46% less repeat investments, than reductions

Existing positions increased: 7 | Existing positions reduced: 13

100% less funds holding in top 10

Funds holding in top 10: 2 → 0 (-2)

Holders
44
Holders Change
+7
Holders Change %
+18.92%
% of All Funds
0.58%
Holding in Top 10
–
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-100%
% of All Funds
–
New
11
Increased
7
Reduced
13
Closed
3
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
MF
Magnetar Financial
Illinois
+$20.1M
2
MC
Meteora Capital
Florida
+$9.58M
3
AIMCA
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
+$7.75M
4
PMAM
Picton Mahoney Asset Management
Ontario, Canada
+$4.13M
5
WC
Wealthspring Capital
New York
+$3.7M

Top Sellers

Rank Fund Capital Flow
1
MI
MMCAP International
Cayman Islands
-$10.3M
2
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
-$5.16M
3
COPPSERS
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
-$4.09M
4
WAM
Wolverine Asset Management
Illinois
-$3.21M
5
Toronto Dominion Bank
Toronto Dominion Bank
Ontario, Canada
-$2.61M
Name Holding Trade Value Shares
Change 		Change in
Stake
MF
1
Magnetar Financial
Illinois
$20.4M +$20.1M +1,945,196 New
KIM
2
Karpus Investment Management
New York
$20M -$1.92M -185,536 -9%
PMAM
3
Picton Mahoney Asset Management
Ontario, Canada
$18.8M +$4.13M +400,000 +29%
FTCM
4
First Trust Capital Management
Illinois
$18.8M – – –
AA
5
AQR Arbitrage
Connecticut
$15.3M – – –
WCMNY
6
Westchester Capital Management (New York)
New York
$12.8M +$1.03M +99,987 +9%
D.E. Shaw & Co
7
D.E. Shaw & Co
New York
$10.3M – – –
MI
8
MMCAP International
Cayman Islands
$10.2M -$10.3M -1,000,000 -51%
LP
9
LMR Partners
United Kingdom
$10.2M – – –
MC
10
Meteora Capital
Florida
$9.67M +$9.58M +927,446 New
AIMCA
11
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$7.82M +$7.75M +750,000 New
WC
12
Wealthspring Capital
New York
$6.58M +$3.7M +358,526 +131%
Goldman Sachs
13
Goldman Sachs
New York
$6.5M – – –
WRBC
14
W.R. Berkley Corp
Connecticut
$5.44M +$1.03M +99,390 +24%
Two Sigma Investments
15
Two Sigma Investments
New York
$5.21M – – –
WA
16
Whitebox Advisors
Minnesota
$5.21M – – –
BI
17
Bulldog Investors
New Jersey
$4.39M -$165K -16,008 -4%
WAM
18
Wolverine Asset Management
Illinois
$4.12M -$3.21M -311,286 -44%
RCM
19
Rivernorth Capital Management
Florida
$4.07M -$122K -11,825 -3%
CCM
20
Context Capital Management
California
$3.86M – – –
Hudson Bay Capital Management
21
Hudson Bay Capital Management
Connecticut
$3.1M +$3.07M +297,018 New
RCM
22
Radcliffe Capital Management
Pennsylvania
$2.82M +$2.79M +270,579 New
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
23
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$2.61M -$5.16M -500,000 -67%
GCL
24
Glazer Capital LLC
New York
$2.61M -$148K -14,347 -5%
Toronto Dominion Bank
25
Toronto Dominion Bank
Ontario, Canada
$2.6M -$2.61M -252,622 -50%
1
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SIMA Hedge Fund Activity: Q2 2025 in Review

44 of the 7,604 institutional investors tracked by Wall St. Rank reported a position in SIM Acquisition Corp I (SIMA) for Q2 2025, worth a combined $231M — up 15% from $201M a quarter earlier.

Buyers outnumbered sellers: 11 funds opened new SIMA positions and 3 closed out — a net gain of 8 holders — while 7 added to existing stakes and 13 trimmed.

The largest buyer was Magnetar Financial, opening a new position worth an estimated $20.1M. The largest seller was MMCAP International, cutting an estimated $10.3M.

  • 44 institutional investors held SIM Acquisition Corp I (SIMA) as of Q2 2025, up from 37 in Q1 2025.
  • Funds reported $231M of SIM Acquisition Corp I stock for Q2 2025, up 15% quarter-over-quarter.
  • 11 funds opened new SIM Acquisition Corp I positions in Q2 2025 and 3 closed out, a net change of +8 holders.
  • The largest SIM Acquisition Corp I buyer in Q2 2025 was Magnetar Financial, an estimated $20.1M added.
  • The largest SIM Acquisition Corp I seller in Q2 2025 was MMCAP International, an estimated $10.3M sold.

Based on aggregated 13F filings for Q2 2025.