Comparable stake leader
AmperSPAC LLC
SEC ownership of AmperCap Acquisition Co
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002101393.
Disclosed value leader
AmperSPAC LLC
Comparable rows
6/50
Latest evidence
30 Sep 2026
- Public ticker
- APMC, APMCR, APMCU on Nasdaq
- Parsed ownership sources
-
3/4/5, 13D/G, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
AmperSPAC LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
6 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
AmperSPAC LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Sep 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0002101393
- Issuer location
- New York, NY
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of AmperCap Acquisition Co (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
6/50
Latest evidence
30 Sep 2026
3/4/5
13D/G
13F
Lead comparable stake: 20%
44 rows are not safely comparable across share classes.
13D/G row: AmperSPAC LLC
Showing 1-8 of 50 holder rows.
Quick read
AmperSPAC LLC leads the comparable SEC ownership view at 20%.
6 of 50 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 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| AmperSPAC LLC |
3/4/5
13D/G
10%+ Owner
|
20%
Reported 13D/G
· 04 Jun 2026
|
$38,749,382
3,914,079 shares
|
— | 10 Jun 2026 |
| Magnetar Financial LLC |
13F
13D/G
Company
|
8%
Reported 13D/G
· 30 Jun 2026
|
$12,048,000
1,200,000 shares
|
— | 30 Jun 2026 |
| Adage Capital Management, L.P. |
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
|
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
|
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
|
5.1%
Reported 13D/G
· 30 Jun 2026
|
$10,270,799
2,043,930 shares
mixed-class rows
|
— | 30 Jun 2026 |
| Gonzalez Harish Dadoo |
3/4/5
Co-CEO, CFO, Director, 10%+ Owner
|
—
denominator unverified
|
$38,749,382
3,914,079 shares
|
— | 10 Jun 2026 |
| Pier Alberto Gutierrez |
3/4/5
Co-CEO, Director, Chairman, 10%+ Owner
|
—
denominator unverified
|
$38,749,382
3,914,079 shares
|
— | 10 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.
Forms 3/4/5 flow
Insider trading overview
No eligible buy or sell activity is available for this window. No eligible Buy or Sell transactions are available in this dataset since 29 Oct 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-6 of 6 reporting-owner rows connected to AmperCap Acquisition Co. Open a relationship link for the CIK-to-CIK filing trail.
Rows
6
Largest Forms 3/4/5 holder
AmperSPAC LLC
Net 12M change
$0
Latest report
10 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| AmperSPAC LLC | 10%+ Owner | $38,749,382 | Mixed | 10 Jun 2026 | ||
| Gonzalez Harish Dadoo | Co-CEO, CFO, Director, 10%+ Owner | $38,749,382 | Mixed | 10 Jun 2026 | ||
| Pier Alberto Gutierrez | Co-CEO, Director, Chairman, 10%+ Owner | $38,749,382 | Mixed | 10 Jun 2026 | ||
| Ibarrola Alfredo Mauricio Flores | Director | Mixed | 02 Jun 2026 | |||
| Kegel Luis Javier Pena | Director | Mixed | 02 Jun 2026 | |||
| John Patrick Salemi | Director | Mixed | 02 Jun 2026 |
Recent insider transactions for AmperCap Acquisition Co
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| AmperSPAC LLC | APMC | Ordinary Shares | Purchase | 0.9% | 34,912 | 3,914,079 | 10 Jun 2026 | Direct | ||
| AmperSPAC LLC | APMC | Ordinary Shares | Purchase | 0.9% | 34,912 | 3,914,079 | 10 Jun 2026 | Direct | ||
| AmperSPAC LLC | APMC | Ordinary Shares | Purchase | 0.9% | 34,912 | 3,914,079 | 10 Jun 2026 | Direct | ||
| AmperSPAC LLC | APMC | Ordinary Shares | Other | -0.32% | -12,500 | 3,879,167 | 10 Jun 2026 | Direct | ||
| AmperSPAC LLC | APMC | Ordinary Shares | Other | -0.32% | -12,500 | 3,879,167 | 10 Jun 2026 | Direct | ||
| AmperSPAC LLC | APMC | Ordinary Shares | Other | -0.32% | -12,500 | 3,879,167 | 10 Jun 2026 | Direct | ||
| AmperSPAC LLC | APMC | Rights to receive ordinary shares | Purchase | 14.1% | 34,912 | 282,412 | 10 Jun 2026 | Direct | ||
| AmperSPAC LLC | APMC | Rights to receive ordinary shares | Purchase | 14.1% | 34,912 | 282,412 | 10 Jun 2026 | Direct | ||
| AmperSPAC LLC | APMC | Rights to receive ordinary shares | Purchase | 14.1% | 34,912 | 282,412 | 10 Jun 2026 | Direct | ||
| AmperSPAC LLC | APMC | Ordinary Shares | Purchase | 6.79% | 247,500 | 3,891,667 | 04 Jun 2026 | Direct | ||
| AmperSPAC LLC | APMC | Ordinary Shares | Purchase | 6.79% | 247,500 | 3,891,667 | 04 Jun 2026 | Direct | ||
| AmperSPAC LLC | APMC | Ordinary Shares | Purchase | 6.79% | 247,500 | 3,891,667 | 04 Jun 2026 | Direct | ||
| AmperSPAC LLC | APMC | Ordinary Shares | Other | -24% | -1,147,500 | 3,644,167 | 04 Jun 2026 | Direct | ||
| AmperSPAC LLC | APMC | Ordinary Shares | Other | -24% | -1,147,500 | 3,644,167 | 04 Jun 2026 | Direct | ||
| AmperSPAC LLC | APMC | Ordinary Shares | Other | -24% | -1,147,500 | 3,644,167 | 04 Jun 2026 | Direct | ||
| AmperSPAC LLC | APMC | Rights to receive ordinary shares | Purchase | 247,500 | 247,500 | 04 Jun 2026 | Direct | |||
| AmperSPAC LLC | APMC | Rights to receive ordinary shares | Purchase | 247,500 | 247,500 | 04 Jun 2026 | Direct | |||
| AmperSPAC LLC | APMC | Rights to receive ordinary shares | Purchase | 247,500 | 247,500 | 04 Jun 2026 | Direct |
* marks a reported price that did not pass the local price check.