13F Insight
DOSSIER · 13F Holders · Q2 2026

STONEBRIDGE ACQUISITION II C

28 institutions still hold STONEBRIDGE ACQUISITION II C as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G85096108·28 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$55M
visible holders
Holders
28
filers reporting
Concentration
19.91%
MIZUHO SECURITIES USA LLC #1
top holder share
AI Holders Summary · Q2 2026

28 institutions reported STONEBRIDGE ACQUISITION II C in Q2 2026. MIZUHO SECURITIES USA LLC leads at 19.9% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
MIZUHO SECURITIES USA LLC
CIK 0000812291
$11M1.1M0.11%Q2 202602
RIVERNORTH CAPITAL MANAGEMENT, LLC
CIK 0001447578
$5M495K0.25%Q1 202603
Karpus Management, Inc.
CIK 0001048703
$4M434K0.14%Q1 202604
WOLVERINE ASSET MANAGEMENT LLC
CIK 0001279891
$4M401K0.04%Q1 202605
GLAZER CAPITAL, LLC
CIK 0001076809
$4M385K0.08%Q1 202606
Clear Street Group Inc.
CIK 0001881567
$3M308K0.01%Q1 202607
AQR Arbitrage LLC
CIK 0001167456
$3M296K0.06%Q4 202508
Logan Stone Capital, LLC
CIK 0001535521
$3M252K0.62%Q4 202509
MANGROVE PARTNERS IM, LLC
CIK 0001535392
$2M225K0.18%Q1 202610
Shaolin Capital Management LLC
CIK 0001766806
$2M200K0.07%Q1 202611
Verition Fund Management LLC
CIK 0001454027
$2M200K0.01%Q1 202612
ARISTEIA CAPITAL, L.L.C.
CIK 0001080171
$2M200K0.04%Q1 202613
Radcliffe Capital Management, L.P.
CIK 0001218275
$2M160K0.12%Q1 202614
Polar Asset Management Partners Inc.
CIK 0001326389
$2M150K0.03%Q1 202615
Cable Car Capital, LP
CIK 0001699575
$2M150K0.52%Q1 202616
BOOTHBAY FUND MANAGEMENT, LLC
CIK 0001549230
$1M138K0.02%Q1 202617
SONA ASSET MANAGEMENT (US) LLC
CIK 0001856405
$1M117K0.02%Q1 202618
BERKLEY W R CORP
CIK 0000011544
$1M113K0.06%Q1 202619
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$909K91K0.00%Q1 202620
BNP PARIBAS FINANCIAL MARKETS
CIK 0001166588
$904K90K0.00%Q1 2026
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