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APAC

StoneBridge Acquisition II Corp
APAC

28 hedge funds and large institutions have $53.1M invested in StoneBridge Acquisition II Corp in 2026 Q1 according to their latest regulatory filings, with 7 funds opening new positions, 3 increasing their positions, 4 reducing their positions, and 2 closing their positions.

New
Increased
Maintained
Reduced
Closed

250% more first-time investments, than exits

New positions opened: 7 | Existing positions closed: 2

24% more capital invested

Capital invested by funds: $42.8M → $53.1M (+$10.3M)

22% more funds holding

Funds holding: 23 → 28 (+5)

7.5% more ownership

Funds ownership: 78.77% → 86.26% (+7.5%)

25% less repeat investments, than reductions

Existing positions increased: 3 | Existing positions reduced: 4

Holders
28
Holders Change
+5
Holders Change %
+21.74%
% of All Funds
0.34%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
7
Increased
3
Reduced
4
Closed
2
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
RCM
Rivernorth Capital Management
Florida
+$4.95M
2
KIM
Karpus Investment Management
New York
+$3.37M
3
MP
Mangrove Partners
Connecticut
+$2.25M
4
SAMU
SONA Asset Management (US)
New York
+$1.17M
5
CA
Crossingbridge Advisors
New York
+$751K

Top Sellers

Rank Fund Capital Flow
1
Toronto Dominion Bank
Toronto Dominion Bank
Ontario, Canada
-$2.66M
2
WAM
Wolverine Asset Management
Illinois
-$1.01M
3
GCL
Glazer Capital LLC
New York
-$221K
4
CS
Clear Street
New York
-$151K
5
AA
AQR Arbitrage
Connecticut
-$91.6K
Name Holding Trade Value Shares
Change 		Change in
Stake
MSU
1
Mizuho Securities USA
New York
$5.49M – – –
RCM
2
Rivernorth Capital Management
Florida
$4.97M +$4.95M +494,517 New
KIM
3
Karpus Investment Management
New York
$4.35M +$3.37M +336,775 +348%
WAM
4
Wolverine Asset Management
Illinois
$4.03M -$1.01M -100,416 -20%
GCL
5
Glazer Capital LLC
New York
$3.86M -$221K -22,039 -5%
CS
6
Clear Street
New York
$3.1M -$151K -15,061 -5%
AA
7
AQR Arbitrage
Connecticut
$2.88M -$91.6K -9,139 -3%
LSC
8
Logan Stone Capital
Illinois
$2.53M – – –
MP
9
Mangrove Partners
Connecticut
$2.26M +$2.25M +225,000 New
AC
10
Aristeia Capital
Connecticut
$2.01M – – –
SCM
11
Shaolin Capital Management
Florida
$2.01M – – –
Verition Fund Management
12
Verition Fund Management
Connecticut
$2.01M – – –
RCM
13
Radcliffe Capital Management
Pennsylvania
$1.61M – – –
CCC
14
Cable Car Capital
California
$1.51M – – –
PAMP
15
Polar Asset Management Partners
Ontario, Canada
$1.51M – – –
BFM
16
Boothbay Fund Management
New York
$1.38M – – –
SAMU
17
SONA Asset Management (US)
New York
$1.18M +$1.17M +117,096 New
WRBC
18
W.R. Berkley Corp
Connecticut
$1.14M – – –
Two Sigma Investments
19
Two Sigma Investments
New York
$909K – – –
BNP Paribas Financial Markets
20
BNP Paribas Financial Markets
France
$904K +$112K +11,138 +14%
WCMNY
21
Westchester Capital Management (New York)
New York
$804K – – –
CA
22
Crossingbridge Advisors
New York
$754K +$751K +75,000 New
RC
23
RLH Capital
New York
$578K +$576K +57,500 New
HCM
24
Heights Capital Management
California
$508K +$506K +50,500 New
VF
25
Virtu Financial
New York
$338K +$337K +33,601 New
1
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APAC Hedge Fund Activity: Q1 2026 in Review

28 of the 8,127 institutional investors tracked by Wall St. Rank reported a position in StoneBridge Acquisition II Corp (APAC) for Q1 2026, worth a combined $53.1M — up 24% from $42.8M a quarter earlier.

Buyers outnumbered sellers: 7 funds opened new APAC positions and 2 closed out — a net gain of 5 holders — while 3 added to existing stakes and 4 trimmed.

The largest buyer was Rivernorth Capital Management, opening a new position worth an estimated $4.95M. The largest seller was Toronto Dominion Bank, exiting entirely with an estimated $2.66M sold.

  • 28 institutional investors held StoneBridge Acquisition II Corp (APAC) as of Q1 2026, up from 23 in Q4 2025.
  • Funds reported $53.1M of StoneBridge Acquisition II Corp stock for Q1 2026, up 24% quarter-over-quarter.
  • 7 funds opened new StoneBridge Acquisition II Corp positions in Q1 2026 and 2 closed out, a net change of +5 holders.
  • The largest StoneBridge Acquisition II Corp buyer in Q1 2026 was Rivernorth Capital Management, an estimated $4.95M added.
  • The largest StoneBridge Acquisition II Corp seller in Q1 2026 was Toronto Dominion Bank, an estimated $2.66M sold.

Based on aggregated 13F filings for Q1 2026.