Security Snapshot

ACP Holdings Acquisition Corp. - Class A Ordinary Shares, $0.0001 par value per share (ACGC) Institutional Ownership

CUSIP: G0113G101

13F Institutional Holders and Ownership History for Q2 2026

Latest Period

Q2 2026

Institutions Reporting

43

Shares (Excl. Options)

17,402,667

Price

$9.94

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+16,983,533
Value change
+$168,832,036
Number of holders
43
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
21,988,356
SEC-reported price per share
$9.94
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • ACGC - ACP Holdings Acquisition Corp. - Class A Ordinary Shares, $0.0001 par value per share is tracked under CUSIP G0113G101.
  • 43 institutions reported positions in Q2 2026.
  • 3 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Latest quarter on this page is Q2 2026.
  • Additional quarter-over-quarter change detail appears as history expands.

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 43 institutions filings for Q2 2026.

Open SEC evidence

Security key

G0113G101

Latest holder period

Q2 2026

13F holders

43

13D/G owners

3

CIK / CUSIP context first

13D/G owners

Significant owners

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

Rows
3
Security
ACGC
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Adage Capital Management, L.P. 8.2% $17,910,000 1,800,000 Adage Capital Management, L.P. 30 Jun 2026
Polar Asset Management Partners Inc. 7.3% $15,971,242 1,605,150 Polar Asset Management Partners Inc. 30 Jun 2026
Magnetar Financial LLC 7.3% $15,920,000 1,600,000 MAGNETAR FINANCIAL LLC 30 Jun 2026

As of 30 Jun 2026, 43 institutional investors reported holding 17,402,667 shares of ACP Holdings Acquisition Corp. - Class A Ordinary Shares, $0.0001 par value per share (ACGC). This represents 79% of the company’s total 21,988,356 outstanding shares.

13F concentration

Top 25 institutional shareholders

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

Top holder share
72%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
ADAGE CAPITAL PARTNERS GP, L.L.C. 8.2% 1,800,000 0.03% $17,892,000
Polar Asset Management Partners Inc. 7.3% 1,605,150 0.29% $15,955,191
Magnetar Financial LLC 7.3% 1,600,000 0.15% $15,904,000
Karpus Management, Inc. 6.1% 1,348,625 0.39% $13,405,333
GLAZER CAPITAL, LLC 4.5% 1,000,000 0.25% $9,940,000
Alberta Investment Management Corp 4.5% 980,000 0.06% $9,741,200
WOLVERINE ASSET MANAGEMENT LLC 4.1% 907,002 0.12% $9,015,600
Meteora Capital, LLC 3.3% 730,027 0.6% $7,256,468
AQR Arbitrage LLC 2.7% 584,442 0.08% $5,809,353
Paloma Partners Management Co 2.6% 578,500 1.4% $5,750,290
Linden Advisors LP 2.3% 500,000 0.03% $4,970,000
Sculptor Capital LP 1.9% 421,068 0.04% $4,185,416
BNP PARIBAS FINANCIAL MARKETS 1.9% 419,134 0% 0% $4,166,192
L1 Global Manager Pty Ltd 1.8% 400,000 3.2% $3,976,000
Crossingbridge Advisors, LLC 1.7% 375,000 0.66% $3,727,500
TWO SIGMA INVESTMENTS, LP 1.6% 362,500 0% $3,603,250
HIGHBRIDGE CAPITAL MANAGEMENT LLC 1.4% 317,705 0.11% $3,167,519
First Trust Capital Management L.P. 1.4% 300,000 0.17% $2,982,000
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 1.1% 250,000 0.01% $2,485,000
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 1.1% 250,000 0% $2,485,000
D. E. Shaw & Co., Inc. 1.1% 250,000 0% $2,485,000
683 Capital Management, LLC 1.1% 250,000 0.23% $2,485,000
Westchester Capital Management, LLC 0.91% 200,000 0.1% $1,988,001
Periscope Capital Inc. 0.91% 200,000 0.32% $1,988,000
BERKLEY W R CORP 0.9% 198,860 0.1% $1,976,668

Quarter history

Institutional holders across reporting periods

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

Periods
1
Latest
Q2 2026
Rows shown
1-1 of 1
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q2 17,402,667 $172,998,228 +$168,832,036 $9.94 43
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