Comparable stake leader
Pershing Square Capital Management, L.P.
SEC ownership of Pershing Square SPARC Holdings, Ltd./DE
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001895582.
Disclosed value leader
—
Comparable rows
0/3
Latest evidence
21 Apr 2026
- Parsed ownership sources
-
3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Pershing Square Capital Management, L.P.
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
21 Apr 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001895582
- Issuer location
- New York, NY
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Pershing Square SPARC Holdings, Ltd./DE (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
Pershing Square Capital M...
Disclosed value leader
—
Comparable rows
0/3
Latest evidence
21 Apr 2026
3/4/5
Some rows are evidence-backed but not safely comparable across classes.
3 rows are not safely comparable across share classes.
Quick read
SEC ownership evidence is available, but the rows are not safely comparable across share classes.
0 of 3 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 Pershing Square Capital Management, L.P.'s linked filing trail.
Detailed SEC evidence table Showing 1-3 of 3 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Pershing Square Capital Management, L.P. |
3/4/5
10%+ Owner
|
—
mixed-class rows
|
—
3,922,533 shares
mixed-class rows
|
— | 21 Apr 2026 |
| PSCM GP, LLC |
3/4/5
10%+ Owner
|
—
mixed-class rows
|
—
3,922,533 shares
mixed-class rows
|
— | 21 Apr 2026 |
| William A. Ackman |
3/4/5
Chief Executive Officer, Director, 10%+ Owner
|
—
mixed-class rows
|
—
3,922,533 shares
mixed-class rows
|
— | 21 Apr 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
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 20 Aug 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 1-10 of 10 reporting-owner rows connected to Pershing Square SPARC Holdings, Ltd./DE. Open a relationship link for the CIK-to-CIK filing trail.
Rows
10
Largest Forms 3/4/5 holder
Linda Rottenberg
Net 12M change
$0
Latest report
21 Apr 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Linda Rottenberg | Director | Mixed | 29 Sep 2023 | |||
| Jessica A. Falzone | Corporate Secretary | Mixed | 17 Jan 2025 | |||
| Jennifer Blouin | Director | Mixed | 29 Sep 2023 | |||
| William A. Ackman | Chief Executive Officer, Director, 10%+ Owner | Mixed | 21 Apr 2026 | |||
| Michael Gonnella | Chief Financial Officer | Mixed | 29 Sep 2023 | |||
| Ben Hakim | President | Mixed | 29 Sep 2023 | |||
| Steve Milankov | General Counsel and Corporate Secretary Exhibit List: Exhibit 24.1 - Power of Attorney | Mixed | 29 Sep 2023 | |||
| Kathryn Judge | Director | Mixed | 29 Sep 2023 | |||
| Pershing Square Capital Management, L.P. | 10%+ Owner | Mixed | 21 Apr 2026 | |||
| PSCM GP, LLC | 10%+ Owner | Mixed | 21 Apr 2026 |
Recent insider transactions for Pershing Square SPARC Holdings, Ltd./DE
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Ackman William A | Common Stock | Other | 0 | 422,533 | 21 Apr 2026 | See footnotes | ||||
| Ackman William A | Common Stock | Other | 0 | 422,533 | 21 Apr 2026 | See footnotes | ||||
| William A. Ackman | Common Stock | Other | 0 | 422,533 | 21 Apr 2026 | See footnotes | ||||
| Ackman William A | Sponsor Warrants | Other | 0 | $35,892,480 | 21 Apr 2026 | See footnotes | ||||
| Ackman William A | Sponsor Warrants | Other | 0 | $35,892,480 | 21 Apr 2026 | See footnotes | ||||
| William A. Ackman | Sponsor Warrants | Other | 0 | $35,892,480 | 21 Apr 2026 | See footnotes |
* marks a reported price that did not pass the local price check.