13FBOX
STONEBRIDGE ACQUISITION II CORP · 13F Institutional Holdings
Options Calculator Rankings
S

STONEBRIDGE ACQUISITION II CORP

Institutions
30
Combined AUM (Q2 2026)
$53.4M
Combined Shares (Q2 2026)
6.6M
Overall Trend
Increase
All institutions combined
📥 Inflow (Q1 2026→Q2 2026)
+413,210
5 · 2 New Buys · ≈
📤 Outflow (Q1 2026→Q2 2026)
-89,041
6 · 1 Exit · ≈
⚖️ Net
+324,169
Net Buy
💰 Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$53.4M
Institutions
30
New Buys
2
Adds
3
Reduces
5
Exits
1
Unchanged
20
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
MIZUHO SECURITIES USA LLC
0.12%0.13%#9$5.5M552,055$5.5M552,05500.00%Unchanged
RIVERNORTH CAPITAL MANAGEMENT, LLC
0.24%0.25%#4$5.0M494,133$5.0M494,517-384-0.08%Reduce
Karpus Management, Inc.
0.14%0.14%#6$4.7M465,125$4.3M433,550+31,575+7.28%Add
WOLVERINE ASSET MANAGEMENT LLC
0.04%0.04%#17$4.0M397,863$4.0M401,013-3,150-0.79%Reduce
GLAZER CAPITAL, LLC
0.09%0.08%#12$3.7M360,100$3.9M385,066-24,966-6.48%Reduce
Clear Street Group Inc.
0.01%0.01%#24$3.2M318,923$3.1M308,128+10,795+3.50%Add
AQR Arbitrage LLC
0.04%0.05%#15$2.9M286,849$2.9M286,84900.00%Unchanged
Logan Stone Capital, LLC
0.54%0.7%#1$2.6M252,000$2.5M252,00000.00%Unchanged
MANGROVE PARTNERS IM, LLC
0.15%0.18%#5$2.3M225,000$2.3M225,00000.00%Unchanged
Verition Fund Management LLC
<0.01%0.01%#26$2.0M200,000$2.0M200,00000.00%Unchanged
ARISTEIA CAPITAL, L.L.C.
0.03%0.04%#18$2.0M200,000$2.0M200,00000.00%Unchanged
Shaolin Capital Management LLC
0.13%0.13%#8$1.8M176,860$2.0M200,000-23,140-11.57%Reduce
Radcliffe Capital Management, L.P.
0.12%0.12%#10$1.6M160,000$1.6M160,00000.00%Unchanged
Polar Asset Management Partners Inc.
0.02%0.03%#20$1.5M150,000$1.5M150,00000.00%Unchanged
Cable Car Capital, LP
0.49%0.5%#2$1.5M150,000$1.5M150,00000.00%Unchanged
BOOTHBAY FUND MANAGEMENT, LLC
0.02%0.02%#22$1.4M137,500$1.4M137,50000.00%Unchanged
SONA ASSET MANAGEMENT (US) LLC
0.02%0.02%#19$1.2M117,096$1.2M117,09600.00%Unchanged
BERKLEY W R CORP
0.05%0.06%#13$1.2M113,358$1.1M113,35800.00%Unchanged
TWO SIGMA INVESTMENTS, LP
<0.01%<0.01%#28$921,65690,625$908,96990,62500.00%Unchanged
BNP PARIBAS FINANCIAL MARKETS
<0.01%<0.01%#29$916,82690,150$904,20490,15000.00%Unchanged
Westchester Capital Management, LLC
0.04%0.04%#16$813,60080,000$804,00080,00000.00%Unchanged
Crossingbridge Advisors, LLC
0.13%0.14%#7$762,75075,000$753,75075,00000.00%Unchanged
RLH Capital LLC
0.28%0.29%#3$584,77557,500$577,58857,50000.00%Unchanged
HEIGHTS CAPITAL MANAGEMENT, INC
0.12%0.14%#11$513,58550,500$507,52550,50000.00%Unchanged
Warberg Asset Management LLC
0.04%0.05%#14$241,02923,700$276,23827,500-3,800-13.82%Reduce
ABC ARBITRAGE SA
0.02%0.03%#21$203,40020,000$201,00020,00000.00%Unchanged
HIGHBRIDGE CAPITAL MANAGEMENT LLC
<0.01%<0.01%#27$98,587616,167$74,310616,16700.00%Unchanged
Decagon Asset Management LLP
0.01%0.01%#23$59,312370,703$44,358367,803+2,900+0.79%Add
METEORA CAPITAL, LLC
<0.01%#25$47,829367,912$00+367,912New Buy
MORGAN STANLEY
<0.01%#30$28528$00+28New Buy

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow