Who Owns SPACSPHERE ACQUISITION CORP (SSAC)? -- Institutional Holders (2026-06-30)

44 institutions reported holding $146.0M of SPACSPHERE ACQUISITION CORP (SSAC) in SEC 13F filings for 2026-06-30. Largest institutional holders: MIZUHO SECURITIES USA LLC ($14.9M), Polar Asset Management Partners Inc. ($14.9M), HIGHBRIDGE CAPITAL MANAGEMENT LLC ($14.2M), Karpus Management, Inc. ($12.5M), WOLVERINE ASSET MANAGEMENT LLC ($11.6M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1MIZUHO SECURITIES USA LLC$14.9M1.5MAdded
2Polar Asset Management Partners Inc.$14.9M1.5MHold
3HIGHBRIDGE CAPITAL MANAGEMENT LLC$14.2M1.4MAdded
4Karpus Management, Inc.$12.5M1.2MAdded
5WOLVERINE ASSET MANAGEMENT LLC$11.6M1.2MAdded
6Crossingbridge Advisors, LLC$8.4M845,112New
7BERKLEY W R CORP$7.7M768,983Added
8D. E. Shaw & Co., Inc.$5.2M517,000Hold
9GLAZER CAPITAL, LLC$5.1M509,589Added
10Westchester Capital Management, LLC$5.0M500,000New
11MANGROVE PARTNERS IM, LLC$4.5M450,000Hold
12Linden Advisors LP$4.5M450,000Hold
13ARISTEIA CAPITAL, L.L.C.$4.0M402,400New
14RIVERNORTH CAPITAL MANAGEMENT, LLC$3.5M350,000Hold
15SONA ASSET MANAGEMENT (US) LLC$3.5M350,000New
16Magnetar Financial LLC$3.0M300,000New
17Shaolin Capital Management LLC$2.7M272,169Trimmed
18TWO SIGMA INVESTMENTS, LP$2.7M271,875Hold
19Clear Street Group Inc.$2.5M249,404Added
20BNP PARIBAS FINANCIAL MARKETS$2.3M229,356Hold
21WHITEBOX ADVISORS LLC$2.1M212,043Hold
22Hudson Bay Capital Management LP$2.0M200,000Hold
23Ghisallo Capital Management LLC$2.0M200,000New
24AQR Arbitrage LLC$1.7M172,992Added
25Periscope Capital Inc.$1.2M125,000Hold

Source: SEC Form 13F filings · as of 2026-06-30