Comparable stake leader
Apollo S3 Holdings (ASPM AIV), L.P.
SEC ownership of Apollo S3 Private Markets Fund
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001978024.
Disclosed value leader
Steve Lessar
Comparable rows
0/8
Latest evidence
29 Jul 2026
- Parsed ownership sources
-
3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Apollo S3 Holdings (ASPM AIV), L.P.
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
29 Jul 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001978024
- 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 Apollo S3 Private Markets Fund (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
Apollo S3 Holdings (ASPM ...
Disclosed value leader
Steve Lessar
Comparable rows
0/8
Latest evidence
29 Jul 2026
3/4/5
Highest disclosed value: $125,000
8 rows are not safely comparable across share classes.
Quick read
Steve Lessar has the largest disclosed position value at $125K.
0 of 8 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 Steve Lessar's linked filing trail.
Disclosed position value
Top 1
Steve Lessar
$125K
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-8 of 8 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Apollo S3 Holdings (ASPM AIV), L.P. |
3/4/5
10%+ Owner
|
—
class O/S missing
|
—
4,063,265 shares
|
— | 29 Jul 2026 |
| APH Holdings (DC), L.P. |
3/4/5
10%+ Owner
|
—
class O/S missing
|
—
2,043,304 shares
|
— | 29 Jul 2026 |
| APO Corp. |
3/4/5
10%+ Owner
|
—
class O/S missing
|
—
2,043,304 shares
|
— | 29 Jul 2026 |
| Apollo Principal Holdings B GP, LLC |
3/4/5
10%+ Owner
|
—
class O/S missing
|
—
2,043,304 shares
|
— | 29 Jul 2026 |
| Apollo Principal Holdings B, L.P. |
3/4/5
10%+ Owner
|
—
class O/S missing
|
—
2,043,304 shares
|
— | 29 Jul 2026 |
| Apollo S3 Advisors, L.P. |
3/4/5
10%+ Owner
|
—
class O/S missing
|
—
2,043,304 shares
|
— | 29 Jul 2026 |
| Sliders Advisors GP, LLC |
3/4/5
10%+ Owner
|
—
class O/S missing
|
—
2,043,304 shares
|
— | 29 Jul 2026 |
| Steve Lessar |
3/4/5
Trustee, Chief Executive Officer, President and Chairperson, Trustee, Chief Executive Officer, President and Chairperson
|
—
class O/S missing
|
$125,000
4,663 shares
|
— | 20 May 2025 |
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 12 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 1-18 of 18 reporting-owner rows connected to Apollo S3 Private Markets Fund. Open a relationship link for the CIK-to-CIK filing trail.
Rows
18
Largest Forms 3/4/5 holder
Steve Lessar
Net 12M change
$0
Latest report
29 Jul 2026
Recent insider transactions for Apollo S3 Private Markets Fund
Showing up to 300 recent insider transactions from the last 12 months.
* marks a reported price that did not pass the local price check.