HYAC
Haymaker Acquisition Corp. 4Company with tickers: HYAC, HYAC-UN, HYAC-WT
CIK
1970509
CUSIP
G4375F108
Shares Outstanding
23,425,499
13F Activity (30d)
26 filings
26 filers
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 34
Total Value: $215,276,360
Total Shares: 18,654,798
Institutional Ownership Trend
Holder Concentration
Across 34 13F filers · Δ vs Dec 31, 2025Top Holder
14.5%
+3.8 pts
Top 5
57.2%
+14.4 pts
Top 10
79.1%
+12.4 pts
HHI
800
Broadly held
+247
Quarterly Activity
vs Dec 31, 2025
New
8
Increased
5
Decreased
8
Sold Out
22
Unchanged
13
Holder count:
-14
Institutional value:
-13.5%
Shares held:
-14.7%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Small Harraden Circle Investments, LLC | +2,004,586 | 2,034,839 | |
| Mid Polar Asset Management Partners Inc. | +565,000 | 1,000,000 | |
| Mid Limestone Investment Advisors LP | +372,759 | 392,164 | |
| Mid BERKLEY W R CORP | +357,426 | 2,321,633 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | +63,263 | 207,422 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Small Fort Baker Capital Management LP | −2,087,220 | 250,000 | |
| Mid First Trust Capital Management L.P. | −1,211,780 | 243,886 | |
| Mid GLAZER CAPITAL, LLC | −424,500 | 300,200 | |
| Small WEXFORD CAPITAL LP | −351,648 | 148,352 | |
| Small Shaolin Capital Management LLC | −50,000 | 200,000 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega AMERICAN CENTURY COMPANIES INC | 2,707,667 | $31,246,477 | |
| Large WASATCH ADVISORS LP | 1,674,418 | $19,322,783 | |
| Mid Brevan Howard Capital Management LP | 146,860 | $1,694,764 | |
| Small MCGUIRE CAPITAL ADVISORS INC | 135,000 | $1,557,900 | |
| Mid CastleKnight Management LP | 73,751 | $851,086 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Small Wealthspring Capital LLC | 1,657,453 | $18,861,815 | |
| Mid WOLVERINE ASSET MANAGEMENT LLC | 1,459,677 | $16,611,124 | |
| Mid MIZUHO SECURITIES USA LLC | 1,249,126 | $14,215,053 | |
| Mid METEORA CAPITAL, LLC | 580,867 | $6,610,266 | |
| Micro Sandia Investment Management LP | 349,987 | $3,982,852 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mega AMERICAN CENTURY COMPANIES INC | $31,246,477 | 14.51% | 2,707,667 | Shares | Defined | 2026-05-15 | ||||
| Mid BERKLEY W R CORP | $26,791,644 | 12.45% | 2,321,633 | Shares | Sole | 2026-05-15 | ||||
| Small Harraden Circle Investments, LLC | $23,482,042 | 10.91% | 2,034,839 | Shares | Sole | 2026-05-15 | ||||
| Mid Westchester Capital Management, LLC | $22,376,381 | 10.39% | 1,939,028 | Shares | Other | 2026-05-15 | ||||
| Large WASATCH ADVISORS LP | $19,322,783 | 8.98% | 1,674,418 | Shares | Sole | 2026-04-21 | ||||
| Mid Polar Asset Management Partners Inc. | $11,540,000 | 5.36% | 1,000,000 | Shares | Sole | 2026-05-15 | ||||
| Mid Linden Advisors LP | $10,386,000 | 4.82% | 900,000 | Shares | Sole | 2026-05-15 | ||||
| Small MMCAP International Inc. SPC | $10,386,000 | 4.82% | 900,000 | Shares | Sole | 2026-05-15 | ||||
| Mid AQR Arbitrage LLC | $7,863,240 | 3.65% | 681,390 | Shares | Defined | 2026-05-15 | ||||
| Mega D. E. Shaw & Co., Inc. | $6,966,698 | 3.24% | 603,700 | Shares | Defined | 2026-05-15 | ||||
| Mid Alberta Investment Management Corp | $4,616,000 | 2.14% | 400,000 | Shares | Sole | 2026-04-29 | ||||
| Mid Limestone Investment Advisors LP | $4,525,572 | 2.10% | 392,164 | Shares | Sole | 2026-05-15 | ||||
| Mega HSBC HOLDINGS PLC | $3,818,586 | 1.77% | 330,900 | Shares | Defined | 2026-04-30 | ||||
| Mid GLAZER CAPITAL, LLC | $3,464,308 | 1.61% | 300,200 | Shares | Sole | 2026-05-14 | ||||
| Mid MOORE CAPITAL MANAGEMENT, LP | $3,462,000 | 1.61% | 300,000 | Shares | Sole | 2026-05-15 | ||||
| Small Fort Baker Capital Management LP | $2,885,000 | 1.34% | 250,000 | Shares | Sole | 2026-05-15 | ||||
| Mid First Trust Capital Management L.P. | $2,814,444 | 1.31% | 243,886 | Shares | Sole | 2026-05-14 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $2,393,649 | 1.11% | 207,422 | Shares | Other | 2026-05-15 | ||||
| Small DLD Asset Management, LP | $2,354,483 | 1.09% | 204,028 | Shares | Sole | 2026-05-13 | ||||
| Small Shaolin Capital Management LLC | $2,308,000 | 1.07% | 200,000 | Shares | Sole | 2026-05-15 | ||||
| Small Mint Tower Capital Management B.V. | $1,731,000 | 0.80% | 150,000 | Shares | Sole | 2026-05-04 | ||||
| Small WEXFORD CAPITAL LP | $1,711,982 | 0.80% | 148,352 | Shares | Sole | 2026-05-15 | ||||
| Mid Brevan Howard Capital Management LP | $1,694,764 | 0.79% | 146,860 | Shares | Defined | 2026-05-15 | ||||
| Small MCGUIRE CAPITAL ADVISORS INC | $1,557,900 | 0.72% | 135,000 | Shares | Sole | 2026-05-14 | ||||
| Large Calamos Advisors LLC | $1,154,000 | 0.54% | 100,000 | Shares | Sole | 2026-05-04 | ||||
| Large Hudson Bay Capital Management LP | $853,960 | 0.40% | 74,000 | Shares | Sole | 2026-05-13 | ||||
| Mid CastleKnight Management LP | $851,086 | 0.40% | 73,751 | Shares | Sole | 2026-05-15 | ||||
| Mid KORNITZER CAPITAL MANAGEMENT INC /KS | $692,400 | 0.32% | 60,000 | Shares | Sole | 2026-04-30 | ||||
| Mid RIVERNORTH CAPITAL MANAGEMENT, LLC | $584,893 | 0.27% | 50,684 | Shares | Sole | 2026-05-15 | ||||
| Small DELTEC ASSET MANAGEMENT LLC | $577,000 | 0.27% | 50,000 | Shares | Sole | 2026-04-24 | ||||
| Small GABELLI & Co INVESTMENT ADVISERS, INC. | $447,752 | 0.21% | 38,800 | Shares | Sole | 2026-05-14 | ||||
| Small Yakira Capital Management, Inc. | $339,276 | 0.16% | 29,400 | Shares | Sole | 2026-05-14 | ||||
| Mega UBS Group AG | $61,958 | 0.03% | 5,369 | Shares | Defined | 2026-05-05 | ||||
| Large NewEdge Advisors, LLC | $15,082 | 0.01% | 1,307 | Shares | Sole | 2026-06-03 | ||||
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