BX fund manager activity
Blackstone Inc · NYSE. Reported by 21 tracked fund managers in their 13F filings, Q2 2019 to Q2 2026.
Q4 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|
| Ron Baron - Baron Capital | Trimmed | 580,010 | $89,402,741 | 0.24% | Feb 17, 2026 |
| Ken Fisher - Fisher Asset Management | Added | 8,973 | $1,383,168 | 0.00% | Feb 9, 2026 |
| Joel Greenblatt - Gotham Asset Management | Added | 23,759 | $3,662,212 | 0.01% | Feb 17, 2026 |
| Kahn Brothers Group | Added | 2,300 | $354,522 | 0.06% | Feb 12, 2026 |
| Thomas Gayner - Markel Group | No change | 1,229,000 | $189,438,060 | 1.51% | Feb 6, 2026 |
| Bill Nygren - Oakmark Funds | New | 3,750 | $578,025 | 0.00% | Feb 17, 2026 |
| Torray Funds | Added | 139,547 | $21,509,775 | 3.08% | Jan 28, 2026 |
Q3 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|
| Ron Baron - Baron Capital | Added | 616,242 | $105,284,946 | 0.28% | Nov 14, 2025 |
| Ken Fisher - Fisher Asset Management | Added | 7,755 | $1,325,040 | 0.00% | Nov 12, 2025 |
| Joel Greenblatt - Gotham Asset Management | Added | 22,849 | $3,903,752 | 0.02% | Nov 14, 2025 |
| Kahn Brothers Group | No change | 1,500 | $256,275 | 0.05% | Nov 12, 2025 |
| Thomas Gayner - Markel Group | No change | 1,229,000 | $209,974,651 | 1.70% | Oct 31, 2025 |
| Torray Funds | Added | 137,060 | $23,416,701 | 3.18% | Oct 22, 2025 |
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