Apollo Principal Holdings B, L.P.
SEC insider (Form 3/4/5 filer). CIK 0001968376. 10% Owner at Apollo S3 Private Markets Fund (NONE) and 1 other issuer. 18 reported Form 4/5 transactions since Sep 2024; latest on Apr 29, 2026. Located in NEW YORK, NY.
Companies Apollo Principal Holdings B, L.P. has filed insider reports for
- Apollo S3 Private Markets Fund (NONE): 10% Owner
- Diameter Credit Co (NONE): 10% Owner
Apollo Principal Holdings B, L.P.
CIK: 0001968376
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (18 total)
- Apr 29, 2026No ticker
Apollo S3 Private Markets Fund
OtherIndirect5.1K shares- - Apr 29, 2026No ticker
Apollo S3 Private Markets Fund
OtherIndirect23.6K shares- - Mar 2, 2026No ticker
Diameter Credit Co
PurchaseIndirect625.8K shares at avg. $27.96$17.5M - Jan 29, 2026No ticker
Apollo S3 Private Markets Fund
OtherIndirect5.1K shares- - Jan 29, 2026No ticker
Apollo S3 Private Markets Fund
OtherIndirect23.6K shares- - Nov 14, 2025No ticker
Diameter Credit Co
PurchaseIndirect1M shares at avg. $27.63$28.0M - Oct 29, 2025No ticker
Apollo S3 Private Markets Fund
OtherIndirect23.5K shares- - Oct 29, 2025No ticker
Apollo S3 Private Markets Fund
OtherIndirect5.1K shares- - Oct 20, 2025No ticker
Diameter Credit Co
PurchaseIndirect894.4K shares at avg. $27.39$24.5M - Sep 17, 2025No ticker
Diameter Credit Co
PurchaseIndirect884K shares at avg. $27.72$24.5M
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Apr 29, 2026 |  No ticker Apollo S3 Private Markets Fund | Other | 5,083 | - | $0 | Indirect |
| Apr 29, 2026 | No ticker Apollo S3 Private Markets Fund | Other | 23,622 | - | $0 | Indirect |
| Mar 2, 2026 | No ticker Diameter Credit Co | Purchase | 625,816 | $27.96 | $17,499,992 | Indirect |
| Jan 29, 2026 | No ticker Apollo S3 Private Markets Fund | Other | 5,063 | - | $0 | Indirect |
| Jan 29, 2026 | No ticker Apollo S3 Private Markets Fund | Other | 23,602 | - | $0 | Indirect |
| Nov 14, 2025 | No ticker Diameter Credit Co | Purchase | 1,013,331 | $27.63 | $28,000,050 | Indirect |
| Oct 29, 2025 | No ticker Apollo S3 Private Markets Fund | Other | 23,543 | - | - | Indirect |
| Oct 29, 2025 | No ticker Apollo S3 Private Markets Fund | Other | 5,050 | - | - | Indirect |
| Oct 20, 2025 | No ticker Diameter Credit Co | Purchase | 894,433 | $27.39 | $24,499,956 | Indirect |
| Sep 17, 2025 | No ticker Diameter Credit Co | Purchase | 883,966 | $27.72 | $24,499,992 | Indirect |
1-10 of 18 transactions