Security Snapshot

Highview Merger Corp. - Class A Ordinary Shares, $0.0001 par value (HVMC) Institutional Ownership

CUSIP: G4569C101

13F Institutional Holders and Ownership History from Q4 2025 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

56

Shares (Excl. Options)

21,054,855

Price

$10.05

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+749,659
Value change
+$7,559,260
Number of holders
56
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
23,809,524
SEC-reported price per share
$10.09
Insider filing price
$10.09
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • HVMC - Highview Merger Corp. - Class A Ordinary Shares, $0.0001 par value is tracked under CUSIP G4569C101.
  • 56 institutions reported positions in Q1 2026.
  • 5 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 49 to 56 between Q4 2025 and Q1 2026.
  • SEC-reported value moved from $202,502,265 to $211,592,022.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 56 institutions filings for Q1 2026.

Open SEC evidence

Security key

G4569C101

Latest holder period

Q1 2026

13F holders

56

13D/G owners

5

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
5
Security
HVMC
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Highview Sponsor Co., LLC 21% 6,122,500 Highview Sponsor Co., LLC 11 Aug 2025
Adage Capital Management, L.P. 7.6% 1,800,000 Adage Capital Management, L.P. 30 Sep 2025
AQR CAPITAL MANAGEMENT LLC 5.4% 1,268,226 AQR Capital Management, LLC 30 Sep 2025
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 4.2% $10,000,000 1,000,000 Healthcare of Ontario Pension Plan Trust Fund 31 Dec 2025
MILLENNIUM MANAGEMENT LLC 4.2% $10,029,960 999,996 Millennium Management LLC 31 Dec 2025

As of 31 Mar 2026, 56 institutional investors reported holding 21,054,855 shares of Highview Merger Corp. - Class A Ordinary Shares, $0.0001 par value (HVMC). This represents 88% of the company’s total 23,809,524 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
71%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
ADAGE CAPITAL PARTNERS GP, L.L.C. 7.6% 1,800,000 0% 0.03% $18,090,000
Alberta Investment Management Corp 5.2% 1,250,000 0% 0.08% $12,562,500
AQR Arbitrage LLC 5.1% 1,215,191 -4.2% 0.2% $12,212,670
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 4.2% 1,000,000 0% 0.02% $10,050,000
GLAZER CAPITAL, LLC 4.1% 978,249 +8.7% 0.21% $9,831,000
Magnetar Financial LLC 3.9% 929,288 0% 0.1% $9,339,344
Hudson Bay Capital Management LP 3.8% 901,878 0% 0.05% $9,063,874
MILLENNIUM MANAGEMENT LLC 3.6% 851,998 +6.5% 0.01% $8,562,580
Linden Advisors LP 3.1% 750,000 0% 0.04% $7,537,500
TWO SIGMA INVESTMENTS, LP 2.7% 632,853 0% 0.01% $6,360,173
Radcliffe Capital Management, L.P. 2.3% 542,611 +2% 0.41% $5,453,241
Schonfeld Strategic Advisors LLC 2.3% 540,000 +20% 0.04% $5,427,000
Verition Fund Management LLC 2.3% 536,599 -14% 0.05% $5,392,820
TORONTO DOMINION BANK 2.1% 500,519 +185% 0.01% $5,030,216
Sculptor Capital LP 2.1% 500,000 0% 0.06% $5,025,000
TENOR CAPITAL MANAGEMENT Co., L.P. 2.1% 500,000 0% 0.08% $5,025,000
Shaolin Capital Management LLC 2.1% 500,000 -17% 0.42% $5,025,000
BNP PARIBAS FINANCIAL MARKETS 1.9% 453,043 0% 0% $4,553,082
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 1.7% 400,000 0% 0.02% $4,020,000
MOORE CAPITAL MANAGEMENT, LP 1.7% 400,000 0% 0.15% $4,020,000
Polar Asset Management Partners Inc. 1.7% 400,000 0% 0.1% $4,020,000
Lineage Point Capital LP 1.7% 399,900 -0.02% 0.98% $4,018,995
Periscope Capital Inc. 1.5% 350,000 -11% 0.61% $3,517,500
BERKLEY W R CORP 1.4% 333,856 0% 0.18% $3,355,253
Irenic Capital Management LP 1.3% 300,000 0% 0.27% $3,015,000

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
2
Latest
Q1 2026
Rows shown
1-2 of 2
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 21,054,855 $211,592,022 +$7,559,260 $10.05 56
2025 Q4 20,250,664 $202,502,265 +$194,517,155 $10.00 49
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