Eureka Acquisition Corp
EURKR- Exchange
- Nasdaq
- Industry
- Water Transportation
- SEC CIK
- 0002000410
No open-market purchases or sales by Eureka Acquisition Corp insiders were filed in the last 90 days; 19 institutions reported holding it in 13F filings for Q2 2026, worth $1.43M in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Eureka Acquisition Corp as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 20
- +1 vs. Q3 2025
- Shares held
- 4.20M
- −200.4K (−4.6%) vs. Q3 2025
- Total value
- $1.63M
- +$572.4K (+54.2%) vs. Q3 2025
- New holders
- 4
- 1 more added
- Sold out
- 3
- 4 more reduced
2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting EURKR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 19 | $1.43M |
| Q1 2026 | 19 | $1.16M |
| Q4 2025 | 20 | $1.63M |
| Q3 2025 | 21 | $1.13M |
| Q2 2025 | 23 | $1.07M |
| Q1 2025 | 24 | $1.15M |
| Q4 2024 | 20 | $902.4K |
| Q3 2024 | 14 | $767.1K |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Eureka Acquisition Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| UBS Group AG | 3,413 | $1.30K | 0.00% | −699−17.0% | Reduced |
| Meteora Capital, LLC | 9,031 | $3.43K | 0.00% | +9,031 | New |
| Two Sigma Securities, LLC | 14,294 | $5.43K | 0.00% | +14,294 | New |
| BNP Paribas Arbitrage, SA | 22,702 | $8.63K | 0.00% | +22,702 | New |
| Bulldog Investors, LLP | 51,000 | $19.4K | 0.00% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 45,000 | $19.8K | 0.00% | 00.0% | Unchanged |
| Mint Tower Capital Management B.V. | 64,777 | $25.0K | 0.00% | 00.0% | Unchanged |
| Gabelli Funds LLC | 72,300 | $27.5K | 0.00% | 00.0% | Unchanged |
| Yakira Capital Management, Inc. | 75,000 | $28.5K | 0.01% | 00.0% | Unchanged |
| CNH Partners LLC | 76,374 | $29.0K | 0.00% | −22,702−22.9% | Reduced |
| Toronto Dominion Bank | 85,300 | $32.4K | 0.00% | −414,200−82.9% | Reduced |
| Gabelli & Co Investment Advisers, Inc. | 89,200 | $33.9K | 0.01% | 00.0% | Unchanged |
| Cable Car Capital LLC | 100,000 | $38.0K | 0.00% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 125,000 | $47.5K | 0.00% | 00.0% | Unchanged |
| Clear Street Group Inc. | 177,699 | $67.5K | 0.00% | 00.0% | Unchanged |
| Rivernorth Capital Management, LLC | 225,000 | $85.5K | 0.00% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 258,457 | $98.2K | 0.00% | 00.0% | Unchanged |
| K2 Principal Fund, L.P. | 326,474 | $124.1K | 0.01% | +326,474 | New |
| Highbridge Capital Management LLC | 490,956 | $216.3K | 0.01% | −595,459−54.8% | Reduced |
| Harraden Circle Investments, LLC | 1,889,075 | $717.8K | 0.13% | +830,075+78.4% | Added |
| Mangrove Partners | 0 | $0 | 0.00% | −218,115−100.0% | Sold out |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −138,279−100.0% | Sold out |
| Heights Capital Management, Inc | 0 | $0 | 0.00% | −13,516−100.0% | Sold out |
| Atw Spac Management LLC | – | – | – | – | Not filed |
| Maso Capital Partners Ltd | – | – | – | – | Not filed |