Latest Period
Q1 2026
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
22
Shares (Excl. Options)
2,649,069
Price
$11.34
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- Security type / class
- Equity / Class A ordinary shares (par value .0001)
- Symbol
- EURK on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 2,649,069
- Total 13F value
- $29,941,062
- Portfolio coverage rank
- 0%
- Share change
- +7,099
- Value change
- +$75,498
- Number of holders
- 22
- Shares outstanding
- 3,387,805
- SEC-reported price per share
- $11.45
- Insider filing price
- $11.45
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- EURK - Eureka Acquisition Corp - Class A ordinary shares (par value .0001) is tracked under CUSIP G32168109.
- 22 institutions reported positions in Q1 2026.
- 6 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 20 to 22 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $25,600,167 to $29,941,062.
Research use
- 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.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 22 institutions filings for Q1 2026.
Security key
G32168109
Latest holder period
Q1 2026
13F holders
22
13D/G owners
6
CIK / CUSIP context first
Open Q1 2026 holders
EURK full holder history
Eureka Acquisition Corp SEC filings
Eureka Acquisition Corp company facts
Eureka Acquisition Corp insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G32168109:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
6
Security
EURK
| 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 |
| 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 |
| AQR CAPITAL MANAGEMENT LLC | 5.6% | $1,886,355 | 179,141 | AQR Capital Management, LLC | 30 Jun 2025 |
As of 31 Mar 2026, 22 institutional investors reported holding 2,649,069 shares of Eureka Acquisition Corp - Class A ordinary shares (par value .0001) (EURK). This represents 78% of the company’s total 3,387,805 outstanding shares.
13F concentration
Top 22 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
78%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| WOLVERINE ASSET MANAGEMENT LLC | 12% | 395,924 | 0% | 0.07% | $4,489,778 |
| BERKLEY W R CORP | 9.3% | 315,488 | +3.2% | 0.19% | $3,577,634 |
| MIZUHO SECURITIES USA LLC | 8.9% | 300,455 | +5.3% | 0.08% | $3,308,010 |
| RLH Capital LLC | 8.7% | 295,400 | 0% | 1.7% | $3,349,836 |
| Karpus Management, Inc. | 5.9% | 200,925 | -38% | 0.07% | $2,278,490 |
| AQR Arbitrage LLC | 5.1% | 171,322 | -4.4% | 0.03% | $1,942,791 |
| Polar Asset Management Partners Inc. | 4.9% | 167,000 | +193% | 0.04% | $1,893,780 |
| Quarry LP | 4.6% | 155,400 | 0% | 0.36% | $1,762,236 |
| Crossingbridge Advisors, LLC | 3.4% | 116,689 | -11% | 0.24% | $1,323,683 |
| Clear Street Group Inc. | 3% | 100,667 | +9% | 0.01% | $1,141,564 |
| Cable Car Capital, LP | 3% | 100,000 | 0% | 0.39% | $1,134,000 |
| Yakira Capital Management, Inc. | 2.2% | 72,951 | -2.7% | 0.24% | $827,264 |
| METEORA CAPITAL, LLC | 1.5% | 50,000 | -43% | 0.04% | $567,000 |
| Westchester Capital Management, LLC | 1.5% | 50,000 | 0% | 0.03% | $567,000 |
| HRT FINANCIAL LP | 1.4% | 49,000 | 0% | 0% | $555,000 |
| Logan Stone Capital, LLC | 1.3% | 42,466 | 0.13% | $481,564 | |
| GOLDMAN SACHS GROUP INC | 0.62% | 20,858 | 0% | 0% | $236,530 |
| TORONTO DOMINION BANK | 0.48% | 16,200 | +387% | 0% | $183,708 |
| HEIGHTS CAPITAL MANAGEMENT, INC | 0.45% | 15,400 | 0% | 0.05% | $174,636 |
| Warberg Asset Management LLC | 0.38% | 12,783 | -19% | 0.04% | $144,959 |
| UBS Group AG | 0% | 89 | -81% | 0% | $1,009 |
| MORGAN STANLEY | 0% | 52 | +24% | 0% | $590 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
7
Latest
Q1 2026
Rows shown
1-7 of 7
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 2,649,069 | $29,941,062 | +$75,498 | $11.34 | 22 |
| 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 |