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; 13 institutions reported holding it in 13F filings for Q2 2026, worth $13.6M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Eureka Acquisition Corp as of Mar 31, 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
- 22
- +2 vs. Q4 2025
- Shares held
- 2.65M
- +302.5K (+12.9%) vs. Q4 2025
- Total value
- $29.9M
- +$4.34M (+17.0%) vs. Q4 2025
- New holders
- 2
- 6 more added
- Sold out
- 0
- 7 more reduced
Compare with Q4 2025: 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 | 13 | $13.6M |
| 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 | $43.7M |
| 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, Q1 2026
Shares, value and share of portfolio for each institution holding Eureka Acquisition Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Morgan Stanley | 52 | $590 | 0.00% | +10+23.8% | Added |
| UBS Group AG | 89 | $1.01K | 0.00% | −390−81.4% | Reduced |
| Warberg Asset Management LLC | 12,783 | $145.0K | 0.04% | −3,000−19.0% | Reduced |
| Heights Capital Management, Inc | 15,400 | $174.6K | 0.05% | 00.0% | Unchanged |
| Toronto Dominion Bank | 16,200 | $183.7K | 0.00% | +12,873+386.9% | Added |
| Goldman Sachs Group Inc | 20,858 | $236.5K | 0.00% | 00.0% | Unchanged |
| Logan Stone Capital, LLC | 42,466 | $481.6K | 0.13% | +42,466 | New |
| HRT Financial LP | 49,000 | $555.0K | 0.00% | 00.0% | Unchanged |
| Meteora Capital, LLC | 50,000 | $567.0K | 0.04% | −37,803−43.1% | Reduced |
| Westchester Capital Management, LLC | 50,000 | $567.0K | 0.03% | 00.0% | Unchanged |
| Yakira Capital Management, Inc. | 72,951 | $827.3K | 0.24% | −2,049−2.7% | Reduced |
| Cable Car Capital LLC | 100,000 | $1.13M | 0.39% | 00.0% | Unchanged |
| Clear Street Group Inc. | 100,667 | $1.14M | 0.01% | +8,301+9.0% | Added |
| Crossingbridge Advisors, LLC | 116,689 | $1.32M | 0.24% | −15,000−11.4% | Reduced |
| Quarry LP | 155,400 | $1.76M | 0.36% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 167,000 | $1.89M | 0.04% | +110,000+193.0% | Added |
| CNH Partners LLC | 171,322 | $1.94M | 0.03% | −7,819−4.4% | Reduced |
| Karpus Management, Inc. | 200,925 | $2.28M | 0.07% | −125,350−38.4% | Reduced |
| Mizuho Securities USA LLC | 300,455 | $3.31M | 0.08% | +15,000+5.3% | Added |
| RLH Capital LLC | 295,400 | $3.35M | 1.70% | +295,400 | New |
| Berkley W R Corp | 315,488 | $3.58M | 0.19% | +9,860+3.2% | Added |
| Wolverine Asset Management LLC | 395,924 | $4.49M | 0.07% | 00.0% | Unchanged |