13F

Stock

Stonebridge Acquisition Ii C

Ticker not mapped · held by 28 managers

Reported value

$48.9M

Holders

28

+6 new · −2 exited

Holders’ est. mark

$341.2K

Price effect on 21 books still in the name

Largest holder

$5.49M

MIZUHO SECURITIES USA LLC

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
MIZUHO SECURITIES USA LLC552.1K$5.49M$54KAdded$54K
RIVERNORTH CAPITAL MANAGEMENT, LLC494.5K$4.97MNew
Karpus Management, Inc.433.6K$4.35M$7.74KAdded$3.39M
WOLVERINE ASSET MANAGEMENT LLC401K$4.03M$40.1KCut−$959K
Clear Street Group Inc.308.1K$3.1M$30.8KCut−$119K
AQR Arbitrage LLC286.8K$2.88M$28.7KCut−$62.2K
Logan Stone Capital, LLC252K$2.53M$23.9KAdded$23.9K
MANGROVE PARTNERS IM, LLC225K$2.26MNew
Shaolin Capital Management LLC200K$2.01M$20KAdded$20K
ARISTEIA CAPITAL, L.L.C.200K$2.01M$20KAdded$20K
Verition Fund Management LLC200K$2.01M$20KAdded$20K
Radcliffe Capital Management, L.P.160K$1.61M$15.2KAdded$15.2K
Cable Car Capital, LP150K$1.51M$15KAdded$15K
Polar Asset Management Partners Inc.150K$1.51M$15KAdded$15K
BOOTHBAY FUND MANAGEMENT, LLC137.5K$1.38M$13.8KAdded$13.8K
SONA ASSET MANAGEMENT (US) LLC117.1K$1.18MNew
BERKLEY W R CORP113.4K$1.14M$10.8KAdded$10.8K
TWO SIGMA INVESTMENTS, LP90.6K$909K$7.25KAdded$7.25K
BNP PARIBAS FINANCIAL MARKETS90.2K$904.2K$6.32KAdded$118K
Westchester Capital Management, LLC80K$804K$8KAdded$8K
Crossingbridge Advisors, LLC75K$753.8KNew
RLH Capital LLC57.5K$577.6KHeld
HEIGHTS CAPITAL MANAGEMENT, INC50.5K$507.5KNew
Warberg Asset Management LLC27.5K$276.2K$2.61KAdded$2.61K
ABC ARBITRAGE SA20K$201K$2KAdded$2K
Glazer Capital, LLC385.1K$3.86K$30Cut−$189
Virtu Financial LLC33.6K$338New
MORGAN STANLEY33$331$1Added$172

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.