Security Snapshot

AmperCap Acquisition Co - Ordinary shares, par value $0.0001 per share (APMCU) Institutional Ownership

CUSIP: G0344N123

13F Institutional Holders and Ownership History from Q2 2026 to Q3 2026

13F reference period

Q2 2026

Institutions Reporting

43

Shares (Excl. Options)

9.12MFull value: 9,115,490 · shares · 30 Jun 2026

Price

$10.04

The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+8,916,505
Value change
+$89,303,367
Number of holders
43
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
18,098,720
SEC-reported price per share
$9.99
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • APMCU - AmperCap Acquisition Co - Ordinary shares, par value $0.0001 per share is tracked under CUSIP G0344N123.
  • 43 institutions reported positions in Q2 2026.
  • 2 significant owners is listed from Schedule 13D/13G reporting.

Change

  • The headline uses Q2 2026 reported holdings.
  • Quarter-over-quarter comparison is unavailable because the immediately preceding quarter is missing.

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

G0344N123

13F reference period

Q2 2026

13F holders

43

13D/G owners

2

CIK / CUSIP context first

13D/G owners

Significant owners

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

Rows
2
Security
APMCU
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Sculptor Capital LP 6.1% 1,064,442 Sculptor Capital LP 03 Jun 2026
Wealthspring Capital LLC 5.5% $9,880,200 990,000 Wealthspring Capital LLC 30 Jun 2026
As of 30 Jun 2026, 43 institutional investors reported holding
9.12MFull value: 9,115,490 · shares · 30 Jun 2026
shares of AmperCap Acquisition Co - Ordinary shares, par value $0.0001 per share (APMCU). This represents 50% of the company’s total
18.1MFull value: 18,098,720 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 25 institutional shareholders

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

Top holder share
46%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Magnetar Financial LLC 6.6% 1,200,000 0.11% $12,048,000
Wealthspring Capital LLC 5.3% 963,290 2.2% $9,671,432
GLAZER CAPITAL, LLC 3.8% 690,000 0.17% $6,928,000
AQR Arbitrage LLC 3.6% 651,015 0.09% $6,529,680
First Trust Capital Management L.P. 3.5% 630,601 0.37% $6,331,234
Clear Street Group Inc. 2.3% 422,655 0.01% $4,042,656
Shaolin Capital Management LLC 2.2% 405,851 0.38% $4,074,744
TUDOR INVESTMENT CORP ET AL 1.7% 315,000 0.01% $3,162,600
RIVERNORTH CAPITAL MANAGEMENT, LLC 1.7% 300,000 0.14% $3,004,860
LMR Partners LLP 1.4% 250,000 0.02% $2,510,000
BERKLEY W R CORP 1.4% 247,605 0.12% $2,484,716
CANTOR FITZGERALD, L. P. 1.2% 211,449 0.04% $2,125,062
TORONTO DOMINION BANK 1.1% 200,000 0% $2,008,000
WHITEBOX ADVISORS LLC 1.1% 200,000 0.03% $2,008,000
BNP PARIBAS FINANCIAL MARKETS 1.1% 198,985 0% 0% $1,997,809
Periscope Capital Inc. 0.97% 175,500 0.28% $1,762,020
Linden Advisors LP 0.97% 175,000 0.01% $1,758,750
Calamos Advisors LLC 0.83% 150,000 0.01% $1,505,250
Yakira Capital Management, Inc. 0.83% 150,000 0.44% $1,506,000
ARISTEIA CAPITAL, L.L.C. 0.83% 150,000 0.02% $1,506,000
Radcliffe Capital Management, L.P. 0.83% 150,000 0.11% $1,506,000
Westchester Capital Management, LLC 0.72% 130,000 0.07% $1,303,900
MOORE CAPITAL MANAGEMENT, LP 0.72% 130,000 0.03% $1,305,200
Mint Tower Capital Management B.V. 0.69% 125,000 0.15% $1,255,000
GRITSTONE ASSET MANAGEMENT LLC 0.69% 124,988 1.2% $1,254,880

Quarter history

Institutional holders across reporting periods

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

Periods
2
Headline period
Q2 2026
Rows shown
1-2 of 2
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 0 $0 -$1,556,080 $9.99 0
2026 Q2 9,115,490 $91,301,176 +$89,303,367 $10.04 43
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