Latest Period
Q4 2025
Security Snapshot
Eureka Acquisition Corp - Class A ordinary shares (par value .0001) (EURK) Institutional Ownership
CUSIP: G32168109
13F Institutional Holders and Ownership History from Q3 2024 to Q1 2026
Institutions Reporting
20
Shares (Excl. Options)
2,346,570
Price
$10.93
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- Type / Class
- Equity / Class A ordinary shares (par value .0001)
- Symbol
- EURK on Nasdaq
- Shares outstanding
- 3,387,805
- Price per share
- $11.34
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 2,346,570
- Total reported value
- $25,600,167
- % of total 13F portfolios
- 0%
- Share change
- -23,215
- Value change
- -$254,222
- Number of holders
- 20
- Price from insider filings
- $11.34
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- EURK - Eureka Acquisition Corp - Class A ordinary shares (par value .0001) is tracked under CUSIP G32168109.
- 20 institutions reported positions in Q4 2025.
- 8 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 20 to 3 between Q4 2025 and Q1 2026.
- Reported value moved from $25,600,167 to $7,840,623.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 20 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP G32168109?
CUSIP G32168109 identifies EURK - Eureka Acquisition Corp - Class A ordinary shares (par value .0001) in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G32168109:
Significant Owners of Eureka Acquisition Corp - Class A ordinary shares (par value .0001) (EURK) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| MIZUHO FINANCIAL GROUP INC | 8.9% | +6.2% | $5,791,500 | +$283,257 | 550,000 | +5.1% | Mizuho Financial Group, Inc. | 30 Jun 2025 |
| WOLVERINE ASSET MANAGEMENT LLC | 7.8% | $5,019,489 | 487,329 | WOLVERINE ASSET MANAGEMENT LLC | 31 Dec 2024 | |||
| Karpus Management, Inc. | 6.8% | +62% | $3,494,086 | -$6,147 | 326,825 | -0.18% | KARPUS MANAGEMENT, INC. | 30 Sep 2025 |
| BARCLAYS PLC | 5.2% | 0% | $3,347,500 | 325,000 | 0% | Barclays PLC | 30 Sep 2024 | |
| BERKLEY W R CORP | 9% | $3,230,641 | 305,628 | W. R. Berkley Corporation | 30 Sep 2025 | |||
| RLH Capital LLC | 9.3% | +30% | $3,060,344 | -$1,601,656 | 295,400 | -34% | RLH Capital LLC | 30 Jun 2025 |
| Feis Equities LLC | 8.4% | +2.1% | $3,104,385 | +$260,184 | 285,592 | +9.1% | Feis Equities LLC | 31 Dec 2025 |
| AQR CAPITAL MANAGEMENT LLC | 5.6% | $1,886,355 | 179,141 | AQR Capital Management, LLC | 30 Jun 2025 |
As of 31 Dec 2025, 20 institutional investors reported holding 2,346,570 shares of Eureka Acquisition Corp - Class A ordinary shares (par value .0001) (EURK). This represents 69% of the company’s total 3,387,805 outstanding shares.
Top 20 Institutional Shareholders
The largest institutional shareholders of Eureka Acquisition Corp - Class A ordinary shares (par value .0001) (EURK) together control 69% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| WOLVERINE ASSET MANAGEMENT LLC | 12% | 395,924 | -0.62% | 0.06% | $4,351,205 |
| Karpus Management, Inc. | 9.6% | 326,275 | -0.17% | 0.11% | $3,566,186 |
| BERKLEY W R CORP | 9% | 305,628 | 0% | 0.19% | $3,340,514 |
| MIZUHO SECURITIES USA LLC | 8.4% | 285,455 | +0.04% | 0.05% | $3,025,852 |
| AQR Arbitrage LLC | 5.3% | 179,141 | 0% | 0.04% | $1,968,760 |
| Quarry LP | 4.6% | 155,400 | 0% | 0.41% | $1,703,962 |
| Crossingbridge Advisors, LLC | 3.9% | 131,689 | -1.6% | 0.43% | $1,442,098 |
| Cable Car Capital, LP | 3% | 100,000 | 0% | 0.07% | $1,092,000 |
| Clear Street Group Inc. | 2.7% | 92,366 | +35% | 0.01% | $1,008,637 |
| METEORA CAPITAL, LLC | 2.6% | 87,803 | -32% | 0.08% | $959,687 |
| Yakira Capital Management, Inc. | 2.2% | 75,000 | 0% | 0.28% | $819,000 |
| Polar Asset Management Partners Inc. | 1.7% | 57,000 | 0% | 0.01% | $623,010 |
| Westchester Capital Management, LLC | 1.5% | 50,000 | 0% | 0.03% | $549,499 |
| HRT FINANCIAL LP | 1.4% | 49,000 | -0.57% | 0% | $538,000 |
| GOLDMAN SACHS GROUP INC | 0.62% | 20,858 | 0% | 0% | $227,978 |
| Warberg Asset Management LLC | 0.47% | 15,783 | 0% | 0.05% | $172,508 |
| HEIGHTS CAPITAL MANAGEMENT, INC | 0.45% | 15,400 | 0% | 0.06% | $169,246 |
| TORONTO DOMINION BANK | 0.1% | 3,327 | 0% | 0% | $36,331 |
| UBS Group AG | 0.01% | 479 | -19% | 0% | $5,235 |
| MORGAN STANLEY | 0% | 42 | +5% | 0% | $459 |
Institutional Holders of Eureka Acquisition Corp - Class A ordinary shares (par value .0001) (EURK) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 691,413 | $7,840,623 | -$4,421 | $11.34 | 3 |
| 2025 Q4 | 2,346,570 | $25,600,167 | -$254,222 | $10.93 | 20 |
| 2025 Q3 | 2,385,185 | $25,430,048 | -$20,787,005 | $10.69 | 21 |
| 2025 Q2 | 4,516,959 | $46,999,322 | -$4,957,692 | $10.42 | 26 |
| 2025 Q1 | 4,968,697 | $51,126,537 | +$2,392,325 | $10.30 | 25 |
| 2024 Q4 | 4,741,089 | $48,098,923 | +$4,052,973 | $10.16 | 24 |
| 2024 Q3 | 4,346,063 | $43,711,127 | +$41,938,307 | $10.06 | 21 |