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Haymaker Acquisition Corp. 4
$10.75 +0.24 (+2.28%) At close · Apr 8
Market Cap
$313.64M
Shares
29,175,499

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: 35
Total Value: $237,484,143
Total Shares: 20,579,216

Institutional Ownership Trend

11 quarters

Holder Concentration

Across 34 13F filers · Δ vs Dec 31, 2025
Top Holder
14.5%
Sep 2023 → Mar 2026 · range 8.8% – 14.5%
+3.8 pts
Top 5
57.2%
Sep 2023 → Mar 2026 · range 32.4% – 57.2%
+14.4 pts
Top 10
79.1%
Sep 2023 → Mar 2026 · range 53.9% – 79.1%
+12.4 pts
HHI
800
Sep 2023 → Mar 2026 · range 399 – 800
Broadly held+247

Quarterly Activity

vs Dec 31, 2025
New
8
Increased
5
Decreased
9
Sold Out
21
Unchanged
13
Holder count: -13
Institutional value: -4.6%
Shares held: -5.9%

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
Mid Fort Baker Capital Management LP −1,837,220 500,000
Small Wealthspring Capital LLC −1,657,453 0
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

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Large WASATCH ADVISORS LP 3,348,836 $38,645,566
Mega AMERICAN CENTURY COMPANIES INC 2,707,667 $31,246,477
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
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
Small Quarry LP 298,232 $3,393,880
Filter: New 8 Increased 5 Reduced 9 Sold out 21 Unchanged 13
Showing 37 of 37
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega AMERICAN CENTURY COMPANIES INC $31,246,477 13.16% 2,707,667
Mid BERKLEY W R CORP $26,791,644 11.28% 2,321,633
Small Harraden Circle Investments, LLC $23,482,042 9.89% 2,034,839
Mid Westchester Capital Management, LLC $22,376,381 9.42% 1,939,028
Large WASATCH ADVISORS LP $19,322,783 8.14% 1,674,418
Large WASATCH ADVISORS LP $19,322,783 8.14% 1,674,418
Mid Polar Asset Management Partners Inc. $11,540,000 4.86% 1,000,000
Mid Linden Advisors LP $10,386,000 4.37% 900,000
Small MMCAP International Inc. SPC $10,386,000 4.37% 900,000
Mid AQR Arbitrage LLC $7,863,240 3.31% 681,390
Mega D. E. Shaw & Co., Inc. $6,966,698 2.93% 603,700
Mid Alberta Investment Management Corp $4,616,000 1.94% 400,000
Mid Limestone Investment Advisors LP $4,525,572 1.91% 392,164
Mega HSBC HOLDINGS PLC $3,818,586 1.61% 330,900
Mid GLAZER CAPITAL, LLC $3,464,308 1.46% 300,200
Mid MOORE CAPITAL MANAGEMENT, LP $3,462,000 1.46% 300,000
Mid Fort Baker Capital Management LP $2,885,000 1.21% 250,000
Mid Fort Baker Capital Management LP $2,885,000 1.21% 250,000
Mid First Trust Capital Management L.P. $2,814,444 1.19% 243,886
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $2,393,649 1.01% 207,422
Small DLD Asset Management, LP $2,354,483 0.99% 204,028
Small Shaolin Capital Management LLC $2,308,000 0.97% 200,000
Small Mint Tower Capital Management B.V. $1,731,000 0.73% 150,000
Small WEXFORD CAPITAL LP $1,711,982 0.72% 148,352
Mid Brevan Howard Capital Management LP $1,694,764 0.71% 146,860
Small MCGUIRE CAPITAL ADVISORS INC $1,557,900 0.66% 135,000
Large Calamos Advisors LLC $1,154,000 0.49% 100,000
Large Hudson Bay Capital Management LP $853,960 0.36% 74,000
Mid CastleKnight Management LP $851,086 0.36% 73,751
Mid KORNITZER CAPITAL MANAGEMENT INC /KS $692,400 0.29% 60,000
Mid RIVERNORTH CAPITAL MANAGEMENT, LLC $584,893 0.25% 50,684
Small DELTEC ASSET MANAGEMENT LLC $577,000 0.24% 50,000
Small GABELLI & Co INVESTMENT ADVISERS, INC. $447,752 0.19% 38,800
Small Yakira Capital Management, Inc. $339,276 0.14% 29,400
Mega UBS Group AG $61,958 0.03% 5,369
Large NewEdge Advisors, LLC $15,082 0.01% 1,307
Small Wealthspring Capital LLC $0 0.00% 0
Key facts CIK 1970509 CUSIP G4375F108

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