Haymaker Acquisition Corp.-28HYAC.WSPreferred / convertible

13F holders, Q3 2025 (September 30)
37holders −2
0new positions
2sold out
1famous investor
$0.42avg. 13F price*

At the end of Q3 2025, 37 institutions reported holding Haymaker Acquisition Corp.-28 (HYAC.WS) in their 13F filings, down 2 from Q2 2025. 0 opened new positions and 2 sold out. The largest holders were Harraden Circle Investments, LLC ($976K), Toronto Dominion Bank ($444K) and Fort Baker Capital Management LP ($379K). 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 Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions0$0
Exits2$57K

All 13F filers, Q2 2025 → Q3 2025: 128,106 shares bought and 195,653 shares sold, net −67,547 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 37 holders
Harraden Circle Investments, LLC — Add +4.9% 2,183,768 $976K
Toronto Dominion Bank — Add +2.1% 1,122,900 $444K
Fort Baker Capital Management LP — Reduce -0.0% 848,590 $379K
Linden Advisors LP — No change 450,001 $201K
Periscope Capital Inc. — No change 447,600 $200K
Polar Asset Management Partners Inc. — No change 450,000 $180K
MMCAP International Inc. SPC — No change 450,000 $178K
Shaolin Capital Management LLC — Add +0.6% 352,023 $139K
Driehaus Capital Management LLC — No change 249,999 $100K
Meteora Capital, LLC — Reduce -7.0% 231,369 $93K
Quarry LP — No change 184,700 $83K
Wealthspring Capital LLC — Reduce -0.5% 202,850 $81K
Sandia Investment Management LP — No change 162,499 $73K
Healthcare of Ontario Pension Plan Trust Fund — No change 175,000 $70K
Aristeia Capital, L.L.C. — No change 146,252 $65K
Moore Capital Management, LP — No change 150,000 $59K
AQR Arbitrage LLC — No change 148,621 $59K
Picton Mahoney Asset Management — No change 100,000 $45K
Gritstone Asset Management LLC — Reduce -1.0% 103,843 $41K
Alberta Investment Management Corp — No change 100,000 $40K
Parallax Volatility Advisers, L.P. — Reduce -18.3% 81,701 $37K
Readystate Asset Management LP — No change 90,000 $36K
D. E. Shaw & Co. — No change 87,500 $35K
Rivernorth Capital Management, LLC — No change 85,043 $34K
Mint Tower Capital Management B.V. — No change 75,000 $30K
Calamos Advisors LLC — No change 50,000 $22K
Clear Street Group Inc. — — 29,022 $11K
TENOR CAPITAL MANAGEMENT Co., L.P. — No change 25,049 $10K
Whitebox Advisors LLC — No change 25,000 $10K
LMR Partners LLP — No change 25,000 $10K
Bulldog Investors, LLP — No change 21,039 $8K
GABELLI & Co INVESTMENT ADVISERS, INC. — No change 19,400 $8K
Decagon Asset Management LLP — Add +4.3% 19,068 $8K
Gabelli Funds LLC — No change 18,100 $7K
Yakira Capital Management, Inc. — No change 15,000 $6K
K2 Principal Fund, L.P. — No change 12,500 $5K
UBS Group AG — Reduce -4.3% 1,385 $554

"% 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.