13F

Stock

Spacsphere Acquisition Corp

Ticker not mapped · held by 32 managers

Reported value

$102M

Holders

32

+32 new · −0 exited

Holders’ est. mark

Need a prior quarter

Largest holder

$14.8M

Polar Asset Management Partners Inc.

Who holds it

Notable only
InvestorSharesValueEst. markChange
Polar Asset Management Partners Inc.1.49M$14.8MNew
HIGHBRIDGE CAPITAL MANAGEMENT LLC1.39M$13.7MNew
Karpus Management, Inc.1.22M$12.1MNew
BERKLEY W R CORP573.4K$5.68MNew
Lineage Point Capital LP570K$5.64MNew
D. E. Shaw & Co., Inc.517K$5.12MNew
MIZUHO SECURITIES USA LLC491.5K$4.84MNew
Linden Advisors LP450K$4.46MNew
MANGROVE PARTNERS IM, LLC450K$4.46MNew
Shaolin Capital Management LLC400K$3.96MNew
RIVERNORTH CAPITAL MANAGEMENT, LLC350K$3.46MNew
WOLVERINE ASSET MANAGEMENT LLC337.2K$3.34MNew
METEORA CAPITAL, LLC316.7K$3.14MNew
TWO SIGMA INVESTMENTS, LP271.9K$2.69MNew
BNP PARIBAS FINANCIAL MARKETS229.4K$2.27MNew
WHITEBOX ADVISORS LLC212K$2.1MNew
Hudson Bay Capital Management LP200K$1.98MNew
AQR Arbitrage LLC170.6K$1.69MNew
Parallax Volatility Advisers, L.P.161.6K$1.6MNew
Periscope Capital Inc.125K$1.24MNew
Schonfeld Strategic Advisors LLC100K$990KNew
Radcliffe Capital Management, L.P.75K$742.5KNew
Clear Street Group Inc.66.1K$654.8KNew
ABC ARBITRAGE SA40K$396KNew
TORONTO DOMINION BANK31.4K$310.8KNew
GEODE CAPITAL MANAGEMENT, LLC29.6K$293.3KNew
TrueMark Investments, LLC26K$257.4KNew
L1 Global Manager Pty Ltd10K$99KNew
Glazer Capital, LLC295.1K$2.92KNew
Kepos Capital LP30K$297New
HRT FINANCIAL LP11.3K$111New
MORGAN STANLEY8$79New

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.