From Fired Researcher to $13.7 Billion King: How Leopold Aschenbrenner Broke the Hedge Fund World
Leopold Aschenbrenner is a 24-year-old Gen-Z investment savant and former OpenAI researcher.
Babcock & Wilcox Enterprises Inc. (BW)
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Hedge Fund Popularity
Hedge Fund Holdings
Filing Period:
Last updated on based on SEC 13F filings Last update:
| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Hood River Capital Management David Swank | 11,603,688 | $170,458,177 | +9% | 1.71% |
| 2. | Tontine Asset Management Jeffrey Gendell | 5,126,068 | $75,301,939 | +2% | 1.03% |
| 3. | Marshall Wace LLP Paul Marshall And Ian Wace | 3,411,162 | $50,109,968 | +2% | 0.05% |
| 4. | Millennium Management Israel Englander | 3,368,684 | $49,485,968 | +170% | 0.02% |
| 5. | Arrowstreet Capital Peter Rathjens, Bruce Clarke And John Campbell | 2,974,324 | $43,692,820 | +778% | 0.02% |
Insider Trading: Purchases See All
| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
|---|---|---|---|---|---|---|
| $14.76 | 1,285 | $18,966.60 | 324,143 | 2026-03-18 | Filing | |
| $15.15 | 7,000 | $106,015.00 | 1,656,512 | 2026-03-18 | Filing | |
| $7.05 | 2,853 | $20,113.65 | 156,658 | 2025-11-12 | Filing | |
| $7.13 | 1,500 | $10,695.00 | 1,444,287 | 2025-11-12 | Filing | |
| $7.16 | 1,675 | $11,993.00 | 272,767 | 2025-11-12 | Filing |
Insider Trading: Sales See All
| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
|---|---|---|---|---|---|---|
| $9.00 | 1,155,382 | $10,398,438.00 | 0 | 2026-02-11 | Filing | |
| $1.34 | 2,915 | $3,906.10 | 239,381 | 2025-08-07 | Filing | |
| $0.93 | 2,551 | $2,362.23 | 227,723 | 2025-07-31 | Filing | |
| $1.91 | 98,941 | $188,977.31 | 583,045 | 2024-12-06 | Filing | |
| $1.05 | 2,733 | $2,869.65 | 217,521 | 2024-08-15 | Filing |
Institutional Investors' Holdings
Filing Period:
| No. | Name | Shares | Value | % Port |
|---|---|---|---|---|
| 1. | 27,446,522 | $403,189,408 | 88.37% | |
| 2. | 5,053,037 | $73,893,779 | 0.06% | |
| 3. | 4,452,636 | $65,409,223 | 0% | |
| 4. | 3,671,977 | $53,941,342 | 0.01% | |
| 5. | 3,603,551 | $52,936,180 | 0.01% |
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