22 institutions reported holding $18.9M of SPACSPHERE ACQUISITION CORP (SSACU) in SEC 13F filings for 2026-06-30. Largest institutional holders: Yakira Capital Management, Inc. ($15.2M), TORONTO DOMINION BANK ($3.0M), Clear Street Group Inc. ($347,181), Calamos Advisors LLC ($152,250), JPMORGAN CHASE & CO ($102,400). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Yakira Capital Management, Inc. | $15.2M | 1.5M | Hold |
| 2 | TORONTO DOMINION BANK | $3.0M | 294,950 | Added |
| 3 | Clear Street Group Inc. | $347,181 | 34,004 | Added |
| 4 | Calamos Advisors LLC | $152,250 | 15,000 | Hold |
| 5 | JPMORGAN CHASE & CO | $102,400 | 10,000 | Trimmed |
| 6 | GLAZER CAPITAL, LLC | $83,000 | 8,224 | Added |
| 7 | UBS Group AG | $24,605 | 2,458 | Trimmed |
| 8 | MMCAP International Inc. SPC | $0 | 0 | Exited |
| 9 | ARISTEIA CAPITAL, L.L.C. | $0 | 0 | Exited |
| 10 | HEIGHTS CAPITAL MANAGEMENT, INC | $0 | 0 | Exited |
| 11 | WOLVERINE ASSET MANAGEMENT LLC | $0 | 0 | Exited |
| 12 | Magnetar Financial LLC | $0 | 0 | Exited |
| 13 | CITADEL ADVISORS LLC | $0 | 0 | Exited |
| 14 | Westchester Capital Management, LLC | $0 | 0 | Exited |
| 15 | BOOTHBAY FUND MANAGEMENT, LLC | $0 | 0 | Exited |
| 16 | Schonfeld Strategic Advisors LLC | $0 | 0 | Exited |
| 17 | Ghisallo Capital Management LLC | $0 | 0 | Exited |
| 18 | SONA ASSET MANAGEMENT (US) LLC | $0 | 0 | Exited |
| 19 | RLH Capital LLC | $0 | 0 | Exited |
| 20 | Quarry LP | $0 | 0 | Exited |
| 21 | Verition Fund Management LLC | $0 | 0 | Exited |
| 22 | Crossingbridge Advisors, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30