20 institutions reported holding $850,786 of A SPAC III Acquisition Corp (ASPCR) in SEC 13F filings for 2026-03-31. Largest institutional holders: Harraden Circle Investments, LLC ($205,103), RIVERNORTH CAPITAL MANAGEMENT, LLC ($97,154), BOOTHBAY FUND MANAGEMENT, LLC ($63,580), Polar Asset Management Partners Inc. ($61,200), TORONTO DOMINION BANK ($55,278). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Harraden Circle Investments, LLC | $205,103 | 1.1M | Hold |
| 2 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $97,154 | 539,744 | Hold |
| 3 | BOOTHBAY FUND MANAGEMENT, LLC | $63,580 | 353,220 | Hold |
| 4 | Polar Asset Management Partners Inc. | $61,200 | 340,000 | Hold |
| 5 | TORONTO DOMINION BANK | $55,278 | 307,101 | Trimmed |
| 6 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $51,316 | 427,278 | Added |
| 7 | Clear Street Group Inc. | $50,913 | 282,852 | Hold |
| 8 | ADAR1 Capital Management, LLC | $42,441 | 215,000 | Hold |
| 9 | Mint Tower Capital Management B.V. | $32,000 | 175,000 | Hold |
| 10 | Hudson Bay Capital Management LP | $29,407 | 148,970 | Trimmed |
| 11 | GLAZER CAPITAL, LLC | $27,000 | 150,000 | Hold |
| 12 | GRITSTONE ASSET MANAGEMENT LLC | $26,589 | 147,714 | Hold |
| 13 | WOLVERINE ASSET MANAGEMENT LLC | $26,551 | 147,506 | Trimmed |
| 14 | AQR Arbitrage LLC | $21,507 | 179,073 | Trimmed |
| 15 | GABELLI & Co INVESTMENT ADVISERS, INC. | $18,576 | 103,200 | Hold |
| 16 | BERKLEY W R CORP | $14,588 | 81,046 | Hold |
| 17 | GABELLI FUNDS LLC | $12,924 | 71,800 | Hold |
| 18 | BNP PARIBAS FINANCIAL MARKETS | $11,382 | 63,236 | Hold |
| 19 | UBS Group AG | $3,277 | 18,204 | Trimmed |
| 20 | HEIGHTS CAPITAL MANAGEMENT, INC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31