Haymaker Acquisition Corp.-28HYAC.WSPreferred / convertible

13F holders, Q4 2025 (December 31)
31holders −6
2new positions
8sold out
1famous investor
$1.55avg. 13F price*

At the end of Q4 2025, 31 institutions reported holding Haymaker Acquisition Corp.-28 (HYAC.WS) in their 13F filings, down 6 from Q3 2025. 2 opened new positions and 8 sold out. The largest holders were Harraden Circle Investments, LLC ($6.0M), Toronto Dominion Bank ($970K) and Linden Advisors LP ($700K). One famous investor held it David E. Shaw ( of D. E. Shaw & Co.'s portfolio).

Company
Haymaker Acquisition Corp.-28
CUSIP
G4375F116
Latest filing quarter
Q1 2026

History

Number of 13F holders

01020304050 Q1 2024: 50Q1 2024Q2 2024: 49Q2 2024Q3 2024: 46Q3 2024Q4 2024: 44Q4 2024Q1 2025: 41Q1 2025Q2 2025: 39Q2 2025Q3 2025: 37Q3 2025Q4 2025: 31Q4 2025Q1 2026: 26Q1 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions2$660K
Exits8$580K

All 13F filers, Q3 2025 → Q4 2025: 2,313,825 shares bought and 2,438,565 shares sold, net −124,740 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 31 holders

Harraden Circle Investments, LLC — Add +78.4% 3,895,070 $6.0M
Toronto Dominion Bank — Reduce -44.3% 625,630 $970K
Linden Advisors LP — No change 450,001 $700K
MMCAP International Inc. SPC — No change 450,000 $698K
Polar Asset Management Partners Inc. — No change 450,000 $698K
Hudson Bay Capital Management LP — New 414,916 $643K
Driehaus Capital Management LLC — No change 249,999 $387K
Periscope Capital Inc. — Reduce -44.3% 249,249 $386K
Shaolin Capital Management LLC — Reduce -43.9% 197,510 $306K
Wealthspring Capital LLC — Reduce -4.0% 194,650 $302K
Healthcare of Ontario Pension Plan Trust Fund — No change 175,000 $271K
Moore Capital Management, LP — No change 150,000 $233K
AQR Arbitrage LLC — No change 148,621 $230K
Aristeia Capital, L.L.C. — No change 146,252 $227K
K2 Principal Fund, L.P. — Add +1012.7% 139,087 $216K
Gritstone Asset Management LLC — No change 103,843 $161K
Quarry LP — Reduce -45.1% 101,451 $157K
Alberta Investment Management Corp — No change 100,000 $155K
D. E. Shaw & Co. — No change 87,500 $136K
Rivernorth Capital Management, LLC — No change 85,043 $132K
LMR Partners LLP — Add +200.0% 75,000 $116K
Mint Tower Capital Management B.V. — No change 75,000 $116K
Sandia Investment Management LP — Reduce -59.4% 66,002 $102K
Calamos Advisors LLC — No change 50,000 $78K
Clear Street Group Inc. — No change 29,022 $45K
TENOR CAPITAL MANAGEMENT Co., L.P. — No change 25,049 $39K
GABELLI & Co INVESTMENT ADVISERS, INC. — No change 19,400 $30K
Gabelli Funds LLC — No change 18,100 $28K
Readystate Asset Management LP — Reduce -80.4% 17,667 $27K
Yakira Capital Management, Inc. — No change 15,000 $23K
Ground Swell Capital, LLC — New 11,020 $17K

"% of holder's portfolio" is HYAC.WS's weight in each manager's 13F, not the share of Haymaker Acquisition Corp.-28 the manager owns.