SEC ownership of HCM IV Acquisition Corp.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002089982.

Comparable stake leader

GOLDMAN SACHS GROUP INC

Disclosed value leader

GOLDMAN SACHS GROUP INC

Comparable rows

1/25

Latest evidence

30 Sep 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
1 of 25
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
GOLDMAN SACHS GROUP INC
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
30 Sep 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0002089982
Issuer location
Stamford, CT

Ownership snapshot

Top shareholders of HCM IV Acquisition Corp. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
GOLDMAN SACHS GROUP INC
Disclosed value leader
GOLDMAN SACHS GROUP INC
Comparable rows
1/25
Latest evidence
30 Sep 2026
13D/G 13F 3/4/5 Lead comparable stake: 5.2% 24 rows are not safely comparable across share classes. 13D/G row: GOLDMAN SACHS GROUP INC Showing 1-8 of 25 holder rows.

Quick read

GOLDMAN SACHS GROUP INC leads the comparable SEC ownership view at 5.2%.

1 of 25 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens GOLDMAN SACHS GROUP INC's linked filing trail.
Comparable ownership Top 1
GOLDMAN SACHS GROUP INC 5.2%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 25 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
GOLDMAN SACHS GROUP INC
13D/G
THE GOLDMAN SACHS GROUP, INC.
5.2%
Reported 13D/G · 30 Jun 2026
$14,901,039
1,485,647 shares
$0 30 Jun 2026
MMCAP International Inc. SPC
13F
Company
13F
—
mixed-class rows
$14,206,500
1,750,000 shares
mixed-class rows
— 30 Sep 2026
Magnetar Financial LLC
13F
Company
13F
—
mixed-class rows
$10,162,500
1,250,000 shares
mixed-class rows
— 30 Sep 2026
Alberta Investment Management Corp
13F
Company
13F
—
mixed-class rows
$10,157,500
1,250,000 shares
mixed-class rows
— 30 Sep 2026
Hudson Bay Capital Management LP
13F
Company
13F
—
mixed-class rows
$8,288,520
1,020,000 shares
mixed-class rows
— 30 Sep 2026
Context Capital Management, LLC
13F
Company
13F
—
mixed-class rows
$7,610,625
937,500 shares
mixed-class rows
— 30 Sep 2026
Verition Fund Management LLC
13F
Company
13F
—
mixed-class rows
$7,523,755
835,442 shares
mixed-class rows
— 30 Sep 2026
BNP PARIBAS FINANCIAL MARKETS
13F
Company
13F
—
mixed-class rows
$6,275,681
773,820 shares
mixed-class rows
— 30 Sep 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

No eligible buy or sell activity is available for this window. No eligible Buy or Sell transactions are available in this dataset since 15 Nov 2025.

Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-4 of 4 reporting-owner rows connected to HCM IV Acquisition Corp.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
4
Largest Forms 3/4/5 holder
Shawn Matthews
Net 12M change
$0
Latest report
11 Feb 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Shawn Matthews Chairman and CEO, Director $25,650 Mixed 11 Feb 2026
Richard Charles Donohoe Director $75 Mixed 11 Feb 2026
Michael J. Connor Director $75 Mixed 11 Feb 2026
Thomas Albert Sapio Director $75 Mixed 11 Feb 2026

Recent insider transactions for HCM IV Acquisition Corp.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Michael J. Connor Class B Ordinary Shares Other 25,000 25,000 11 Feb 2026 Direct
Thomas Albert Sapio Class B Ordinary Shares Other 25,000 25,000 11 Feb 2026 Direct
Shawn Matthews Class B Ordinary Shares Other -0.87% -75,000 8,550,000 11 Feb 2026 See Footnote
Richard Charles Donohoe Class B Ordinary Shares Other 25,000 25,000 11 Feb 2026 Direct
* marks a reported price that did not pass the local price check.
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