EUREKA ACQUISITION CORP (EURK)
Institutional ownership reported to the SEC as of Q2 2026, across 8 quarters.
14
Reporting holders
$16.9M
Reported value
0.0%
Held as options
-7
Holder change
Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| BERKLEY W R CORP | $3.6M | 315,488 | 0.17% | 8q | HELD |
| MIZUHO SECURITIES USA LLC | $3.3M | 300,455 | 0.03% | 5q | HELD |
| AQR Arbitrage LLC | $2.1M | 171,422 | 0.03% | 8q | HELD |
| Quarry LP | $1.8M | 155,400 | 0.15% | 7q | HELD |
| RLH Capital LLC | $1.8M | 155,400 | 0.85% | 2q | -47.4%-$1.6M |
| Cable Car Capital, LP | $1.2M | 100,000 | 0.03% | 6q | HELD |
| Crossingbridge Advisors, LLC | $842.4K | 73,768 | 0.15% | 4q | -36.8%-$490.2K |
| Yakira Capital Management, Inc. | $834.6K | 72,951 | 0.24% | 5q | HELD |
| Westchester Capital Management, LLC | $571.0K | 50,000 | 0.03% | 5q | HELD |
| Clear Street Group Inc. | $523.1K | 43,632 | 0.00% | 4q | -56.7%-$683.9K |
| GOLDMAN SACHS GROUP INC | $250.1K | 20,858 | 0.00% | 8q | HELD |
| Warberg Asset Management LLC | $115.1K | 10,057 | 0.02% | 8q | -21.3%-$31.2K |
| UBS Group AG | $1.0K | 85 | 0.00% | 7q | -4.5% |
| MORGAN STANLEY | $588 | 49 | 0.00% | 6q | -5.8% |
Five percent filings
Anyone crossing 5% of a company must say so within days - far sooner than the next quarterly holdings report. A 13D declares an intent to influence the company; a 13G is the passive version. See all activist filings →
| Filed | Form | Filer | % of class |
|---|---|---|---|
| 2026-08-13 | 13G/A | Mizuho Financial Group, Inc. SPAC | 0.0% |
| 2026-08-06 | 13G/A | W. R. Berkley Corporation SPACwith 1 co-filers | 0.0% |
| 2026-07-14 | 13G/A | Feis Equities LLC SPACwith 1 co-filers | 0.0% |
| 2026-07-09 | 13G/A | Wolverine Asset Management, LLC SPACwith 3 co-filers | 0.0% |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 14 | $16.9M | 1,469,565 | 0 | 0 | 6 | 0.0% |
| Q1 2026 | 21 | $29.4M | 2,600,069 | 1 | 6 | 7 | 0.0% |
| Q4 2025 | 19 | $25.1M | 2,297,570 | 0 | 2 | 4 | 0.0% |
| Q3 2025 | 19 | $24.7M | 2,320,503 | 3 | 2 | 5 | 0.0% |
| Q2 2025 | 24 | $45.4M | 4,359,988 | 4 | 3 | 5 | 0.0% |
| Q1 2025 | 23 | $49.5M | 4,810,918 | 4 | 4 | 1 | 0.0% |
| Q4 2024 | 22 | $46.5M | 4,581,055 | 7 | 3 | 5 | 0.0% |
| Q3 2024 | 19 | $43.5M | 5,658,921 | 19 | 0 | 0 | 0.0% |