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 Q4 2025

Latest Period

Q4 2025

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
$10.93
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
$10.93
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

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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 21 to 20 between Q3 2025 and Q4 2025.
  • Reported value moved from $25,430,048 to $25,600,167.

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

Latest holder context comes from 20 institutions filings for Q4 2025.

Open SEC Evidence

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.

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
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

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