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HACQU · HCM IV Acquisition Corp. · Holdings

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$10.11 At close · Oct 14
Market Cap
$374.12M
Shares
37.38M
Volume · Oct 14 501 Avg daily vol (14 sessions) 2623

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.

Institutional holdings are being reconciled with SEC filings. Holder totals and changes may be incomplete until reconciliation finishes.
Holders: 17
Total Value: $54,550,171
Total Shares: 5,390,505

Institutional Ownership Trend

2 quarters

Holder Concentration

Across 17 13F filers · Δ vs Mar 31, 2026
Top Holder
26.0%
Mar 2026 → Jun 2026 · range 5.0% – 26.0%
+20.9 pts
Top 5
72.9%
Mar 2026 → Jun 2026 · range 24.3% – 72.9%
+48.6 pts
Top 10
95.6%
Mar 2026 → Jun 2026 · range 42.9% – 95.6%
+52.7 pts
HHI
1,385
Mar 2026 → Jun 2026 · range 286 – 1,385
Broadly held+1,099

Who Holds HACQU

Last 2 quarters through Jun 30, 2026

Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.

Jun 30, 2026: 17 filers, like-for-like change -80.6%; actively managed books -80.6%; index-like books -100.0%.

Holder type Share Filers Change
Registered adviser 35.1% 6 -89.4%
Exempt adviser 26.0% 1 -17.0%
Adviser 0.0% 0 -100.0%
Bank 8.8% 2 +9.1%
Insurer 0.0% 0 -100.0%
Broker-dealer 9.3% 1 0.0%
Benefit plan 7.4% 1 -5.9%
Non-US 0.0% 0 -100.0%
Unknown 13.5% 6 -79.6%
How the mix is measured

Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.

Conviction and Crowding

17 13F filers, quarter ended Jun 30, 2026

Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.

Conviction holders
1
5.88% of filers hold it in their top 10
Mar 31, 2026: 2
Holders above 5%
0
median weight 0.119%
Mar 31, 2026: 0
Crowding
—
shares outstanding is an issuer-wide count, not one listing's
Private-fund advisers
—
of shares outstanding
Institutional ownership
—
shares outstanding is an issuer-wide count, not one listing's
Top 10 holders
95.6%
of 13F shares, Herfindahl 0.138
Active holders
-80.6%
like-for-like share change of active filers
5% stakes on record
0
0 13D, 0 13G
How long holders have held it value-weighted 2.0 quarters
Under 1 year 100.0% 1 to 3 years 0.000% 3 years or more 0.000% Since coverage start 0.000%

Managers in the top fifth by current three-year FundScore alpha were net buyers of $0 (0 buying, 0 selling).

Estimated Holder Cost Basis

Quarter ended Jun 30, 2026, on that quarter's share basis

Estimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.

Estimated avg cost
$10.05
estimated per share
Mar 31, 2026: $10.05
Quarter-end price
$10.12
implied by 13F values
Estimated gain or loss
+0.7%
price against the estimated cost
Estimated at a loss
0.000%
of costed 13F value

Estimated cost covers 100.0% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.

Shared Holders

Companies HACQU's active holders also own, quarter ended Jun 30, 2026
# Company Shared holders
1 IACO Idea Acquisition Corp. 5
2 ARCI Archimedes Tech SPAC Partners III Co. 3
3 FMAC Future Money Acquisition Corp 4
4 IEAG Infinite Eagle Acquisition Corp. 4
5 IGAC Invest Green Acquisition Corp 6
6 KRAQ KRAKacquisition Corp 3
7 ACAA Averin Capital Acquisition Corp. 3
8 ALOV Aldabra 4 Liquidity Opportunity Vehicle, Inc. 3
9 MBVI M3-Brigade Acquisition VI Corp. 3
10 IACQ Irenic Acquisition Corp. 4

Shareholder Targets

13F filers that own its peers but not HACQU, quarter ended Jun 30, 2026

Found through its holder-overlap peers: IACO, ARCI, FMAC, IEAG, IGAC, KRAQ, ACAA, ALOV, MBVI, IACQ, PONO, ADAC, SAAQ, AEXA, BEBE, YICC, SVIV, NSTR, QRED, EVAC. 96 filers in all.

# Filer In peers
1 D. E. Shaw & Co., Inc. Unknown, Systematic-like $84,677,497 13 held
2 METEORA CAPITAL, LLC Adviser, Diversified active $80,620,301 14 held
3 HGC Investment Management Inc. Non-US, Diversified active $51,102,799 9 held
4 Fort Baker Capital Management LP Registered adviser, Concentrated $41,638,879 5 held
5 Decagon Asset Management LLP Unknown, Concentrated $41,636,032 7 held
6 Centiva Capital, LP Registered adviser, Diversified active $36,871,806 14 held
7 Empyrean Capital Partners, LP Registered adviser, Diversified active $28,171,880 2 held
8 ExodusPoint Capital Management, LP Registered adviser, Diversified active $28,062,900 2 held
9 Harraden Circle Investments, LLC Registered adviser, Diversified active $26,485,385 4 held
10 Westchester Capital Management, LLC Registered adviser, Diversified active $24,874,629 11 held

Fund Ownership of HACQU by Fund Type

Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026

Index funds and index ETFs hold 0 shares.

Fund type Shares
Index funds 0
Index ETFs 0
Active ETFs 0
Active funds 50,000
Unclassified 0
All registered funds 50,000
How fund types are measured

Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.

Quarterly Activity

vs Mar 31, 2026
New
0
Increased
5
Decreased
3
Sold Out
49
Unchanged
9

New and Sold Out count only filers that reported a 13F for both quarters: a first-time filer's book is not a buy, and a fund that has not filed, or withheld its positions under confidential treatment, has not sold.

Holder count: -49
Institutional value: -80.4%
Shares held: -80.6%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
No new positions this quarter.

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 17 of 17
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 2089982 CUSIP G4365S102