16 institutions reported holding $278,887 of ALPHATIME ACQUISITION CORP (ATMCR) in SEC 13F filings for 2026-03-31. Largest institutional holders: Harraden Circle Investments, LLC ($244,887), RIVERNORTH CAPITAL MANAGEMENT, LLC ($34,000), Centiva Capital, LP ($0), Clear Street Group Inc. ($0), FIFTH LANE CAPITAL, LP ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Harraden Circle Investments, LLC | $244,887 | 1.3M | Hold |
| 2 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $34,000 | 200,000 | Hold |
| 3 | Centiva Capital, LP | $0 | 0 | Exited |
| 4 | Clear Street Group Inc. | $0 | 0 | Exited |
| 5 | FIFTH LANE CAPITAL, LP | $0 | 0 | Exited |
| 6 | Virtu Financial LLC | $0 | 0 | Exited |
| 7 | Royal Bank of Canada | $0 | 0 | Exited |
| 8 | TORONTO DOMINION BANK | $0 | 0 | Exited |
| 9 | BANK OF AMERICA CORP /DE/ | $0 | 0 | Exited |
| 10 | METEORA CAPITAL, LLC | $0 | 0 | Exited |
| 11 | FLOW TRADERS U.S. LLC | $0 | 40,364 | Hold |
| 12 | Polar Asset Management Partners Inc. | $0 | 0 | Exited |
| 13 | WOLVERINE ASSET MANAGEMENT LLC | $0 | 0 | Exited |
| 14 | Wealthspring Capital LLC | $0 | 0 | Exited |
| 15 | BOOTHBAY FUND MANAGEMENT, LLC | $0 | 0 | Exited |
| 16 | Periscope Capital Inc. | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31