19 institutions reported holding $1.4M of Eureka Acquisition Corp (EURKR) in SEC 13F filings for 2026-06-30. Largest institutional holders: Harraden Circle Investments, LLC ($687,426), HIGHBRIDGE CAPITAL MANAGEMENT LLC ($187,641), BOOTHBAY FUND MANAGEMENT, LLC ($90,460), Clear Street Group Inc. ($66,776), RIVERNORTH CAPITAL MANAGEMENT, LLC ($65,250). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Harraden Circle Investments, LLC | $687,426 | 2.0M | Added |
| 2 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $187,641 | 536,116 | Added |
| 3 | BOOTHBAY FUND MANAGEMENT, LLC | $90,460 | 258,457 | Hold |
| 4 | Clear Street Group Inc. | $66,776 | 190,788 | Added |
| 5 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $65,250 | 225,000 | Hold |
| 6 | K2 PRINCIPAL FUND, L.P. | $56,546 | 226,185 | Trimmed |
| 7 | Polar Asset Management Partners Inc. | $45,688 | 125,000 | Hold |
| 8 | Cable Car Capital, LP | $35,000 | 100,000 | Hold |
| 9 | GABELLI & Co INVESTMENT ADVISERS, INC. | $31,220 | 89,200 | Hold |
| 10 | AQR Arbitrage LLC | $26,378 | 75,366 | Hold |
| 11 | Yakira Capital Management, Inc. | $25,533 | 72,951 | Hold |
| 12 | GABELLI FUNDS LLC | $25,305 | 72,300 | Hold |
| 13 | Mint Tower Capital Management B.V. | $23,000 | 64,777 | Hold |
| 14 | TORONTO DOMINION BANK | $21,750 | 62,142 | Trimmed |
| 15 | D. E. Shaw & Co., Inc. | $15,750 | 45,000 | Hold |
| 16 | Bulldog Investors, LLP | $12,801 | 51,000 | Hold |
| 17 | BNP PARIBAS FINANCIAL MARKETS | $8,286 | 22,702 | Hold |
| 18 | TWO SIGMA SECURITIES, LLC | $3,368 | 13,420 | Trimmed |
| 19 | UBS Group AG | $848 | 3,378 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30