EURK: Eureka Acquisition Corp insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 0 sales totaling - in the last 180 days.
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-08-13 | Fell below 5% | Mizuho Financial Group, Inc. | 0.00% | SEC | |
| 2026-08-06 | Fell below 5% | W. R. Berkley Corporation | 0.00% | SEC |
Institutional ownership (Q2 2026)
14 institutions reported holding $16.93M of Eureka Acquisition Corp on Form 13F (22 the quarter before). 0 opened a new position and 8 sold out. Shares held by institutions: -45%.
| Largest holders | Shares | Value |
|---|---|---|
| BERKLEY W R CORP | 315,488 | $3.61M |
| MIZUHO SECURITIES USA LLC | 300,455 | $3.31M |
| AQR Arbitrage LLC | 171,422 | $2.13M |
| Quarry LP | 155,400 | $1.77M |
| RLH Capital LLC | 155,400 | $1.77M |
| Cable Car Capital, LP | 100,000 | $1.20M |
| Crossingbridge Advisors, LLC | 73,768 | $842K |
| Yakira Capital Management, Inc. | 72,951 | $835K |
| Westchester Capital Management, LLC | 50,000 | $571K |
| Clear Street Group Inc. | 43,632 | $523K |
Get new insider and activist filings the morning after: daily alerts. Not investment advice.