Highview Merger Corp. - Class A ordinary shares, $0.0001 par value (HVMCU)

CUSIP: G4569C127

Q3 2025 13F Holders as of 30 Sep 2025

Holder snapshot 5 signals
Share change
+21,678,205
SEC-reported price per share
$10.12
Number of holders
61
Value change
+$219,308,427
Number of buys
59
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
23,584,906

Security key

G4569C127

Report period

Q3 2025

Institutions

61

Top holders

10

Ownership snapshot

Top reported holders of HVMCU - Highview Merger Corp. - Class A ordinary shares, $0.0001 par value (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
Highview Sponsor Co., LLC
Disclosed value leader
HEALTHCARE OF ONTARIO PEN...
Comparable rows
5/5
Latest evidence
30 Sep 2025
3/4/5 13D/G Lead comparable stake: 21% 13D/G row: Highview Sponsor Co., LLC

Quick read

Highview Sponsor Co., LLC leads the comparable SEC ownership view at 21%.

5 of 5 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 Highview Sponsor Co., LLC's linked filing trail.
Comparable ownership Top 5
Highview Sponsor Co., LLC 21%
Adage Capital Management, L.P. 7.6%
MILLENNIUM MANAGEMENT LLC 5.7%
AQR CAPITAL MANAGEMENT LLC 5.4%
HEALTHCARE OF ONTARIO PENSION PLA... 5.3%

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

Detailed SEC evidence table Showing 1-5 of 5 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Highview Sponsor Co., LLC
3/4/5 13D/G
Director, *Director by Deputization, 10%+ Owner
21%
from 13D/G
$3,725,000
372,500 shares
11 Aug 2025
Adage Capital Management, L.P.
13D/G
7.6%
1,800,000 shares
$0 30 Sep 2025
MILLENNIUM MANAGEMENT LLC
13D/G
5.7%
1,350,000 shares
$0 12 Aug 2025
AQR CAPITAL MANAGEMENT LLC
13D/G
5.4%
1,268,226 shares
$0 30 Sep 2025
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
13D/G
5.3%
$12,650,000
1,250,000 shares
$0 30 Sep 2025
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.

13F holder rows

Institutional holders as of Q3 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
61
Shares
22,277,543
Rows available
61
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2025 vs Q4 2025 Across Filers

Q4 2025 holders
17
Q3 2025 holders
61
Holder diff
44
Investor Q4 2025 Shares Q3 2025 Shares Share Diff Share Chg % Q4 2025 value Q3 2025 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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