Haymaker Acquisition Corp. 4

Historical 13F Holders

Symbol: HYAC
CUSIP: G4375F108
All holders as of: Q1 2026
Type: Equity
Class: CLASS A

Reported Value, Excluding Options

Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for G4375F108 since 12/18/2024, largest first.

Filer	% of Class	Shares	Form	Filed
Westchester Capital Management, LLC 13G/A	8.3%	1,932,010	13G/A	11/14/2025 Event 9/30/2025
Westchester Capital Management, LLC	8.3%	1,932,010
Westchester Capital Partners, LLC	<0.1%	7,018
Virtus Investment Advisers, LLC	7.9%	1,857,836
The Merger Fund	7.6%	1,780,002
Under 5%, checked the "5 percent or less" box, or amended by a later filing (10)
First Trust Capital Management L.P. 13G/A	1.1%	264,228	13G/A	5/15/2026 Event 3/31/2026
First Trust Merger Arbitrage Fund	1.0%	230,759
First Trust Capital Management L.P.	1.1%	264,228
First Trust Capital Solutions L.P.	1.1%	264,228
FTCS Sub GP LLC	1.1%	264,228
Fort Baker Capital Management LP 13G/A	1.1%	250,000	13G/A	5/15/2026 Event 3/31/2026
Fort Baker Capital Management LP	1.1%	250,000
Steven Patrick Pigott	1.1%	250,000
Fort Baker Capital, LLC	1.1%	250,000
American Century Investment Management, Inc. 13G/A	0%	0	13G/A	5/5/2026 Event 4/30/2026
American Century Capital Portfolios, Inc.	0%	0
American Century Investment Management, Inc.	0%	0
American Century Companies, Inc.	0%	0
Stowers Institute for Medical Research	0%	0
Berkley W R Corp 13G/A	0%	0	13G/A	8/6/2026 Event 6/30/2026
W. R. Berkley Corporation	0%	0
Berkley Insurance Company	0%	0
Harraden Circle Investments, LLC 13G/A	0%	0	13G/A	4/17/2026 Event 4/8/2026
Harraden Circle Investments, LLC	0%	0
Harraden Circle Investors GP, LP	0%	0
Harraden Circle Investors GP, LLC	0%	0
Harraden Circle Investors, LP	0%	0
Harraden Circle Special Opportunities, LP	0%	0
Harraden Circle Strategic Investments, LP	0%	0
Harraden Circle Concentrated, LP	0%	0
Frederick V. Fortmiller, Jr.	0%	0
Haymaker Sponsor IV LLC 13D/A	0%	0	13D/A	4/15/2026 Event 4/8/2026
Haymaker Sponsor IV LLC	0%	0
Andrew R. Heyer	0%	0
Steven Heyer	0%	0
Mizuho Financial Group, Inc. 13G/A	0%	0	13G/A	5/14/2026 Event 3/31/2026
Wasatch Advisors LP 13G/A	0%	0	13G/A	4/29/2026 Event 4/9/2026
Wolverine Asset Management, LLC 13G/A	0%	0	13G/A	4/20/2026 Event 4/14/2026
Wolverine Asset Management, LLC	0%	0
Wolverine Holdings, LLC	0%	0
Christopher L. Gust	0%	0
Robert R. Bellick	0%	0
Wealthspring Capital LLC 13G/A	0%	0	13G/A	4/9/2026 Event 3/31/2026
Wealthspring Capital LLC	0%	0
Matthew Simpson	0%	0

13F Holders by Quarter

Period	Filings	Shares, Excl. Options	Value, Excl. Options	Options Value
2026 Q1	34	18.7 M	$208 M	$0
2025 Q4	49	22.2 M	$252 M	$0
2025 Q3	51	22.1 M	$250 M	$40.8 k
2025 Q2	61	22.2 M	$246 M	$37.2 k
2025 Q1	57	22.0 M	$238 M	$0
2024 Q4	57	21.6 M	$233 M	$0
2024 Q3	52	20.7 M	$221 M	$0
2024 Q2	62	20.1 M	$211 M	$0
2024 Q1	62	21.9 M	$228 M	$0
2023 Q4	60	19.3 M	$198 M	$0
2023 Q3	44	14.2 M	$144 M	$0