Latest Period
Q4 2025
Security Snapshot
Haymaker Acquisition Corp. 4 - Class A Ordinary Shares, $0.0001 par value (HYAC) Institutional Ownership
CUSIP: G4375F108
13F Institutional Holders and Ownership History from Q3 2023 to Q1 2026
Institutions Reporting
47
Shares (Excl. Options)
21,845,807
Price
$11.38
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- Type / Class
- Equity / Class A Ordinary Shares, $0.0001 par value
- Symbol
- HYAC
- Shares outstanding
- 23,425,652
- Price per share
- $11.09
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 21,845,807
- Total reported value
- $248,471,131
- % of total 13F portfolios
- 0%
- Share change
- +1,043
- Value change
- -$16,138
- Number of holders
- 47
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- HYAC - Haymaker Acquisition Corp. 4 - Class A Ordinary Shares, $0.0001 par value is tracked under CUSIP G4375F108.
- 47 institutions reported positions in Q4 2025.
- 6 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 47 to 8 between Q4 2025 and Q1 2026.
- Reported value moved from $248,471,131 to $32,055,762.
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
Open SEC Evidence
Latest holder context comes from 47 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP G4375F108?
CUSIP G4375F108 identifies HYAC - Haymaker Acquisition Corp. 4 - Class A Ordinary Shares, $0.0001 par value in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G4375F108:
Significant Owners of Haymaker Acquisition Corp. 4 - Class A Ordinary Shares, $0.0001 par value (HYAC) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| AMERICAN CENTURY INVESTMENT MANAGEMENT INC | 12% | $31,111,094 | 2,707,667 | American Century Investment Management, Inc. | 31 Mar 2026 | |||
| Fort Baker Capital Management LP | 9% | $23,759,302 | 2,148,219 | Fort Baker Capital Management LP | 31 Mar 2025 | |||
| BERKLEY W R CORP | 8.4% | +17% | $22,352,676 | +$3,234,139 | 1,964,207 | +17% | W. R. Berkley Corporation | 31 Dec 2025 |
| Westchester Capital Management, LLC | 8.2% | +65% | $21,908,993 | +$8,425,416 | 1,932,010 | +62% | Westchester Capital Management, LLC | 30 Sep 2025 |
| First Trust Capital Management L.P. | 6.3% | $16,752,673 | 1,477,308 | First Trust Capital Management L.P. | 30 Sep 2025 | |||
| MIZUHO FINANCIAL GROUP INC | 5.3% | $14,215,054 | 1,249,126 | Mizuho Financial Group, Inc. | 31 Dec 2025 |
As of 31 Dec 2025, 47 institutional investors reported holding 21,845,807 shares of Haymaker Acquisition Corp. 4 - Class A Ordinary Shares, $0.0001 par value (HYAC). This represents 93% of the company’s total 23,425,652 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of Haymaker Acquisition Corp. 4 - Class A Ordinary Shares, $0.0001 par value (HYAC) together control 86% 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 |
|---|---|---|---|---|---|
| Fort Baker Capital Management LP | 10% | 2,337,220 | 0% | 3% | $26,597,564 |
| BERKLEY W R CORP | 8.4% | 1,964,207 | +17% | 1.3% | $22,352,676 |
| Westchester Capital Management, LLC | 8.3% | 1,939,028 | 0% | 1% | $22,066,139 |
| Wealthspring Capital LLC | 7.1% | 1,657,453 | -1.2% | 4.5% | $18,861,815 |
| WOLVERINE ASSET MANAGEMENT LLC | 6.2% | 1,459,677 | +1.2% | 0.24% | $16,611,124 |
| First Trust Capital Management L.P. | 6.2% | 1,455,666 | -0.09% | 1% | $16,565,479 |
| MIZUHO SECURITIES USA LLC | 5.3% | 1,249,126 | +27% | 0.23% | $14,069,455 |
| Linden Advisors LP | 3.8% | 900,000 | 0% | 0.06% | $10,242,000 |
| MMCAP International Inc. SPC | 3.8% | 900,000 | 0% | 1% | $10,242,000 |
| Glazer Capital, LLC | 3.1% | 724,700 | -26% | 0.22% | $8,247,000 |
| AQR Arbitrage LLC | 2.9% | 686,006 | 0% | 0.16% | $7,806,748 |
| D. E. Shaw & Co., Inc. | 2.6% | 603,700 | 0% | 0.01% | $6,870,106 |
| METEORA CAPITAL, LLC | 2.5% | 580,867 | -42% | 0.55% | $6,610,266 |
| WEXFORD CAPITAL LP | 2.1% | 500,000 | 1.5% | $5,690,000 | |
| Polar Asset Management Partners Inc. | 1.9% | 435,000 | 0% | 0.1% | $4,950,300 |
| Alberta Investment Management Corp | 1.7% | 400,000 | 0% | 0.03% | $4,552,000 |
| Sandia Investment Management LP | 1.5% | 349,987 | +75% | 9.9% | $3,982,852 |
| HSBC HOLDINGS PLC | 1.4% | 330,900 | 0% | 0% | $3,782,187 |
| MOORE CAPITAL MANAGEMENT, LP | 1.3% | 300,000 | 0% | 0.07% | $3,414,000 |
| Quarry LP | 1.3% | 298,232 | -32% | 0.82% | $3,393,880 |
| ARISTEIA CAPITAL, L.L.C. | 1.2% | 292,506 | 0% | 0.09% | $3,328,718 |
| Shaolin Capital Management LLC | 1.1% | 250,000 | -23% | 0.11% | $2,845,000 |
| K2 PRINCIPAL FUND, L.P. | 0.97% | 226,442 | +13% | 0.49% | $2,576,910 |
| Periscope Capital Inc. | 0.88% | 206,700 | -25% | 0.46% | $2,352,246 |
| DLD Asset Management, LP | 0.87% | 204,028 | +3.5% | 0.24% | $2,321,839 |
Institutional Holders of Haymaker Acquisition Corp. 4 - Class A Ordinary Shares, $0.0001 par value (HYAC) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 2,770,687 | $32,055,762 | -$15,395,797 | $11.54 | 8 |
| 2025 Q4 | 21,845,807 | $248,471,131 | -$16,138 | $11.38 | 47 |
| 2025 Q3 | 21,996,483 | $249,211,813 | +$2,976,408 | $11.34 | 48 |
| 2025 Q2 | 21,560,948 | $239,284,340 | +$12,580,041 | $11.10 | 59 |
| 2025 Q1 | 21,714,431 | $238,398,151 | +$6,360,740 | $10.99 | 55 |
| 2024 Q4 | 21,617,812 | $232,810,151 | +$9,717,808 | $10.77 | 56 |
| 2024 Q3 | 20,716,480 | $220,852,834 | +$14,961,126 | $10.66 | 51 |
| 2024 Q2 | 20,082,502 | $211,075,637 | +$128 | $10.51 | 60 |
| 2024 Q1 | 20,085,682 | $209,294,794 | +$4,701,146 | $10.42 | 60 |
| 2023 Q4 | 19,282,078 | $198,025,144 | +$55,620,117 | $10.27 | 59 |
| 2023 Q3 | 14,083,449 | $143,229,489 | +$143,229,489 | $10.17 | 43 |