Eureka Acquisition Corp
EURK- 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; 14 institutions reported holding it in 13F filings for Q2 2026, worth $16.9M in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Eureka Acquisition Corp as of Jun 30, 2026. 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
- 14
- −8 vs. Q1 2026
- Shares held
- 1.47M
- −1.18M (−44.5%) vs. Q1 2026
- Total value
- $16.9M
- −$13.0M (−43.5%) vs. Q1 2026
- New holders
- 0
- 1 more added
- Sold out
- 8
- 6 more reduced
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting EURK 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 | 14 | $16.9M |
| Q1 2026 | 22 | $29.9M |
| Q4 2025 | 20 | $25.6M |
| Q3 2025 | 20 | $25.3M |
| Q2 2025 | 26 | $47.0M |
| Q1 2025 | 25 | $51.1M |
| Q4 2024 | 24 | $48.1M |
| Q3 2024 | 21 | $45.2M |
| 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, Q2 2026
Shares, value and share of portfolio for each institution holding Eureka Acquisition Corp; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Berkley W R Corp | 315,488 | $3.61M | 0.18% | 00.0% | Unchanged |
| Mizuho Securities USA LLC | 300,455 | $3.31M | 0.03% | 00.0% | Unchanged |
| CNH Partners LLC | 171,422 | $2.13M | 0.03% | +100+0.1% | Added |
| RLH Capital LLC | 155,400 | $1.77M | 0.85% | −140,000−47.4% | Reduced |
| Quarry LP | 155,400 | $1.77M | 0.28% | 00.0% | Unchanged |
| Cable Car Capital LLC | 100,000 | $1.20M | 0.03% | 00.0% | Unchanged |
| Crossingbridge Advisors, LLC | 73,768 | $842.4K | 0.15% | −42,921−36.8% | Reduced |
| Yakira Capital Management, Inc. | 72,951 | $834.6K | 0.25% | 00.0% | Unchanged |
| Westchester Capital Management, LLC | 50,000 | $571.0K | 0.03% | 00.0% | Unchanged |
| Clear Street Group Inc. | 43,632 | $523.1K | 0.00% | −57,035−56.7% | Reduced |
| Goldman Sachs Group Inc | 20,858 | $250.1K | 0.00% | 00.0% | Unchanged |
| Warberg Asset Management LLC | 10,057 | $115.1K | 0.03% | −2,726−21.3% | Reduced |
| UBS Group AG | 85 | $1.02K | 0.00% | −4−4.5% | Reduced |
| Morgan Stanley | 49 | $588 | 0.00% | −3−5.8% | Reduced |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −395,924−100.0% | Sold out |
| Karpus Management, Inc. | 0 | $0 | 0.00% | −200,925−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −167,000−100.0% | Sold out |
| Meteora Capital, LLC | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −49,000−100.0% | Sold out |
| Logan Stone Capital, LLC | 0 | $0 | 0.00% | −42,466−100.0% | Sold out |
| Toronto Dominion Bank | 0 | $0 | 0.00% | −16,200−100.0% | Sold out |
| Heights Capital Management, Inc | 0 | $0 | 0.00% | −15,400−100.0% | Sold out |