HCM IV Acquisition HACQ Institutional Ownership

NASDAQ HACQ

$10.01 +0.00 (+0.00%)

At close: Oct 23, 2026 · 4:00 PM EDT

Institutions by Trading Activity

50 Institutions

Increased 50 100.0%

Unchanged 0 0.0%

Reduced 0 0.0%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

60.39%

Shares Held by Institutions

22.57Mn

of 37.38Mn outstanding

■0.00% QoQ

Shares Outstanding

37.38Mn

14.80Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

Net Shares Added (QoQ)

+22.57Mn

accumulated since last quarter

Value of Holdings

$225.94Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 10, 2026

HCM IV Acquisition Corp. (NASDAQ:HACQ) was held by 50 institutional investors that filed 13F reports for the quarter ended June 30, 2026.

These investors held 60.39% of HCM IV Acquisition's outstanding shares at the end of Q2 2026.
In total, institutional investors held 22.57Mn shares of HCM IV Acquisition at the end of Q2 2026.
As of June 30, 2026, MMCAP International Inc. SPC held the largest stake in HCM IV Acquisition with 1.4Mn shares, or 3.75% of shares outstanding.
HCM IV Acquisition's 10 largest institutional shareholders as of Q2 2026 were MMCAP International Inc. SPC (1.4Mn shares), Polar Asset Management Partners Inc. (1.4Mn shares), AQR Arbitrage LLC (1.29Mn shares), Linden Advisors LP (1.25Mn shares), Highbridge Capital Management LLC (1Mn shares), Magnetar Financial LLC (1Mn shares), Alberta Investment Management Corp (1Mn shares), Healthcare of Ontario Pension Plan Trust Fund (1Mn shares), Millennium Management LLC (978K shares) and Glazer Capital, LLC (884.84K shares), per Business Quant data.

Form 13F Holdings

50 Institutional Holders

Report period 30 Jun, 2026

Total shares held 22.57Mn

Of outstanding 60.39%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Polar Asset Management Partners Inc.	0001326389	1,400,000	3.75%	▲1,400,000	0.00%	$14.04Mn
1	MMCAP International Inc. SPC	0001304857	1,400,000	3.75%	▲1,400,000	0.00%	$14.04Mn
2	AQR Arbitrage LLC	0001167456	1,288,632	3.45%	▲1,288,632	0.00%	$12.95Mn
3	LINDEN ADVISORS LP	0001279396	1,250,000	3.34%	▲1,250,000	0.00%	$12.56Mn
4	Magnetar Financial LLC	0001352851	1,000,000	2.68%	▲1,000,000	0.00%	$10.05Mn
4	Alberta Investment Management Corp	0001463559	1,000,000	2.68%	▲1,000,000	0.00%	$10.05Mn
4	HIGHBRIDGE CAPITAL MANAGEMENT LLC	0000919185	1,000,000	2.68%	▲1,000,000	0.00%	$10.04Mn
4	HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	0001535845	1,000,000	2.68%	▲1,000,000	0.00%	$10.05Mn
5	MILLENNIUM MANAGEMENT LLC	0001273087	978,000	2.62%	▲978,000	0.00%	$9.81Mn
6	GLAZER CAPITAL, LLC	0001076809	884,839	2.37%	▲884,839	0.00%	$8.88K
7	Hudson Bay Capital Management LP	0001393825	816,000	2.18%	▲816,000	0.00%	$8.20Mn
8	Saba Capital Management, L.P.	0001510281	640,000	1.71%	▲640,000	0.00%	$6.42Mn
9	BNP PARIBAS FINANCIAL MARKETS	0001166588	619,056	1.66%	▲619,056	0.00%	$6.22Mn
10	Governors Lane LP	0001644187	616,587	1.65%	▲616,587	0.00%	$6.18Mn
11	TENOR CAPITAL MANAGEMENT Co., L.P.	0001346554	600,000	1.61%	▲600,000	0.00%	$6.02Mn
12	Kryger Capital LLC	0002123957	591,449	1.58%	▲591,449	0.00%	$5.93Mn
13	First Trust Capital Management L.P.	0001604488	500,000	1.34%	▲500,000	0.00%	$5.02Mn
13	Mint Tower Capital Management B.V.	0001666606	500,000	1.34%	▲500,000	0.00%	$5.02K
14	PICTON MAHONEY ASSET MANAGEMENT	0001539041	499,996	1.34%	▲499,996	0.00%	$5.01Mn
15	TWO SIGMA INVESTMENTS, LP	0001179392	453,124	1.21%	▲453,124	0.00%	$4.54Mn

Showing 1 to 20 of 50 holders