Eureka Acquisition Corp.-RTSEURKRPreferred / convertible

13F holders, Q3 2025 (September 30)
21holders −2
0new positions
2sold out
1famous investor
$0.24avg. 13F price*

At the end of Q3 2025, 21 institutions reported holding Eureka Acquisition Corp.-RTS (EURKR) in their 13F filings, down 2 from Q2 2025. 0 opened new positions and 2 sold out. The largest holders were Highbridge Capital Management LLC ($261K), Harraden Circle Investments, LLC ($254K) and Toronto Dominion Bank ($120K). One famous investor held it David E. Shaw ( of D. E. Shaw & Co.'s portfolio).

Company
Eureka Acquisition Corp.-RTS
CUSIP
G32168125
Latest filing quarter
Q2 2026

History

Number of 13F holders

0510152025 Q3 2024: 14Q3 2024Q4 2024: 20Q4 2024Q1 2025: 24Q1 2025Q2 2025: 23Q2 2025Q3 2025: 21Q3 2025Q4 2025: 20Q4 2025Q1 2026: 19Q1 2026Q2 2026: 19Q2 2026

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions0$0
Exits2$18K

All 13F filers, Q2 2025 → Q3 2025: 139,056 shares sold, net −139,056 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 21 holders
Highbridge Capital Management LLC — No change 1,086,415 $261K
Harraden Circle Investments, LLC — No change 1,059,000 $254K
Toronto Dominion Bank — Reduce -8.9% 499,500 $120K
Boothbay Fund Management, LLC — No change 258,457 $62K
Atw Spac Management LLC — No change 258,457 $62K
Rivernorth Capital Management, LLC — No change 225,000 $54K
Mangrove Partners Im, LLC — No change 218,115 $52K
Clear Street Group Inc. — — 177,699 $43K
Wolverine Asset Management LLC — Reduce -2.6% 138,279 $33K
Polar Asset Management Partners Inc. — No change 125,000 $30K
Cable Car Capital, LP — No change 100,000 $24K
AQR Arbitrage LLC — No change 99,076 $24K
GABELLI & Co INVESTMENT ADVISERS, INC. — No change 89,200 $21K
Yakira Capital Management, Inc. — No change 75,000 $18K
Gabelli Funds LLC — No change 72,300 $17K
Mint Tower Capital Management B.V. — No change 64,777 $16K
Bulldog Investors, LLP — No change 51,000 $12K
D. E. Shaw & Co. — No change 45,000 $11K
MASO CAPITAL PARTNERS Ltd — No change 40,000 $10K
Heights Capital Management, Inc. — Reduce -7.5% 13,516 $3K
UBS Group AG — Reduce -1.0% 4,112 $987

"% of holder's portfolio" is EURKR's weight in each manager's 13F, not the share of Eureka Acquisition Corp.-RTS the manager owns.