Eureka Acquisition Corp.-RTSEURKRPreferred / convertible
13F holders, Q1 2026 (March 31)19holders −1
0new positions
1sold out
1famous investor
$0.28avg. 13F price*
At the end of Q1 2026, 19 institutions reported holding Eureka Acquisition Corp.-RTS (EURKR) in their 13F filings, down 1 from Q4 2025. 0 opened new positions and 1 sold out. The largest holders were Harraden Circle Investments, LLC ($520K), Highbridge Capital Management LLC ($138K) and K2 Principal Fund, L.P. ($82K). One famous investor held it David E. Shaw ( of D. E. Shaw & Co.'s portfolio).
- Company
- Eureka Acquisition Corp.-RTS
- CUSIP
- G32168125
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 0 | $0 |
| Exits | 1 | $3K |
All 13F filers, Q4 2025 → Q1 2026: 4,075 shares bought and 12,545 shares sold, net −8,470 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 19 holders
| Harraden Circle Investments, LLC | — | No change | 1,889,075 | $520K |
| Highbridge Capital Management LLC | — | Add +0.4% | 492,982 | $138K |
| K2 Principal Fund, L.P. | — | No change | 326,474 | $82K |
| Boothbay Fund Management, LLC | — | No change | 258,457 | $71K |
| Rivernorth Capital Management, LLC | — | No change | 225,000 | $62K |
| Clear Street Group Inc. | — | Add +1.1% | 179,748 | $49K |
| Polar Asset Management Partners Inc. | — | No change | 125,000 | $34K |
| Cable Car Capital, LP | — | No change | 100,000 | $28K |
| GABELLI & Co INVESTMENT ADVISERS, INC. | — | No change | 89,200 | $25K |
| Toronto Dominion Bank | — | No change | 85,300 | $23K |
| Bulldog Investors, LLP | — | No change | 51,000 | $21K |
| AQR Arbitrage LLC | — | Reduce -1.3% | 75,366 | $21K |
| Yakira Capital Management, Inc. | — | Reduce -2.7% | 72,951 | $20K |
| Gabelli Funds LLC | — | No change | 72,300 | $20K |
| D. E. Shaw & Co. | — | No change | 45,000 | $19K |
| Mint Tower Capital Management B.V. | — | No change | 64,777 | $18K |
| BNP Paribas Financial Markets | — | No change | 22,702 | $8K |
| Two Sigma Securities, LLC | — | Reduce -3.2% | 13,837 | $3K |
| UBS Group AG | — | No change | 3,413 | $853 |
"% of holder's portfolio" is EURKR's weight in each manager's 13F, not the share of Eureka Acquisition Corp.-RTS the manager owns.