AmperCap Acquisition Co - Ordinary Shares, par value $0.0001 per share (APMC)

Q: What does CUSIP G0344N107 represent in this 13F holders report?

CUSIP G0344N107 is the security identifier for APMC - AmperCap Acquisition Co - Ordinary Shares, par value $0.0001 per share used to aggregate holder disclosures.

Q: How many institutions held APMC - AmperCap Acquisition Co - Ordinary Shares, par value $0.0001 per share in Q3 2026?

6 institutional investors reported APMC - AmperCap Acquisition Co - Ordinary Shares, par value $0.0001 per share for Q3 2026. Use the holders table for investor-level position and value details.

CUSIP: G0344N107

Q3 2026 13F Holders as of 30 Sep 2026

Security type / class: Equity / Ordinary Shares, par value $0.0001 per share
Total 13F shares: 1,269,248
Total 13F value: $12,639,210
Share change: +1,102,218
SEC-reported price per share: $9.96
Number of holders: 6
Value change: +$10,978,943
Number of buys: 4
Number of sells: 1
Shares outstanding: 19,944,947

Security key

G0344N107

Report period

Q3 2026

Institutions

Top holders

APMC full security history Ownership snapshot Full 13F holder table Previous quarter: Q2 2026 AmperCap Acquisition Co SEC filings AmperCap Acquisition Co company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP G0344N107

Previous quarter: Q2 2026

Recent filing periods:

Q3 2026 Q2 2026

Ownership snapshot

Top reported holders of APMC - AmperCap Acquisition Co - Ordinary Shares, par value $0.0001 per share (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

AmperSPAC LLC

Disclosed value leader

AmperSPAC LLC

Comparable rows

6/15

Latest evidence

30 Sep 2026

3/4/5 13D/G 13F Lead comparable stake: 20% 9 rows are not safely comparable across share classes. 13D/G row: AmperSPAC LLC Showing 1-6 of 15 holder rows.

Quick read

AmperSPAC LLC leads the comparable SEC ownership view at 20%.

6 of 15 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 AmperSPAC LLC's linked filing trail.

Comparable ownership Top 5

AmperSPAC LLC 20%

Magnetar Financial LLC 8%

Adage Capital Management, L.P. 5.6%

WOLVERINE ASSET MANAGEMENT LLC 5.6%

Wealthspring Capital LLC 5.5%

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

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
AmperSPAC LLC	3/4/5 13D/G 10%+ Owner 3/4/5 13D/G	20% Reported 13D/G · 04 Jun 2026	$38,749,382 3,914,079 shares	—	10 Jun 2026
Magnetar Financial LLC	13F 13D/G Company 13F 13D/G	8% Reported 13D/G · 30 Jun 2026	$12,048,000 1,200,000 shares	—	30 Jun 2026
Adage Capital Management, L.P.	13D/G 13D/G	5.6% Reported 13D/G · 30 Jun 2026	$11,126,250 1,125,000 shares	$0	30 Jun 2026
WOLVERINE ASSET MANAGEMENT LLC	13D/G 13F Company 13D/G 13F	5.6% Reported 13D/G · 30 Sep 2026	$11,141,806 1,120,906 shares	$0	30 Sep 2026
Wealthspring Capital LLC	13D/G 13F Company 13D/G 13F	5.5% Reported 13D/G · 30 Jun 2026	$9,880,200 990,000 shares	$0	30 Jun 2026
Sculptor Capital LP	13F 13D/G Company 13F 13D/G	5.1% Reported 13D/G · 30 Jun 2026	$10,270,799 2,043,930 shares mixed-class rows	—	30 Jun 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.

13F holder rows

Institutional holders as of Q3 2026

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

Institutions

1,269,248

Rows available

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 2026 vs Q2 2026 Across Filers

Q2 2026 holders

Q3 2026 holders

Holder diff

-7

Investor	Q2 2026 Shares	Q3 2026 Shares	Share Diff	Share Chg %	Q2 2026 value	Q3 2026 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend