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.
| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | AQR Capital Management Cliff Asness | 7,650,292 | $102,705,175 | -5% | 0.05% |
| 2. | Arrowstreet Capital Peter Rathjens, Bruce Clarke And John Campbell | 6,490,358 | $87,684,737 | +9% | 0.05% |
| 3. | Millennium Management Israel Englander | 6,395,308 | $86,400,611 | +1458% | 0.04% |
| 4. | Marshall Wace LLP Paul Marshall And Ian Wace | 2,457,842 | $33,205,443 | +153% | 0.03% |
| 5. | Woodline Partners Michael Rockefeller And Karl Kroeker | 1,839,832 | $24,856,130 | 0.09% |
| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
|---|---|---|---|---|---|---|
| $1,091.36 | 5,191 | $5,665,249.76 | 180,471 | 2026-05-14 | Filing | |
| $1,091.36 | 740 | $807,606.40 | 317,561 | 2026-05-14 | Filing | |
| $11.77 | 6,845 | $80,531.43 | 368,547 | 2026-05-14 | Filing | |
| $1,177.86 | 95,800 | $112,838,988.00 | 1,572,697 | 2026-05-08 | Filing |
| No. | Name | Shares | Value | % Port |
|---|---|---|---|---|
| 1. | 42,752,938 | $577,592,209 | 0.03% | |
| 2. | 38,569,713 | $521,076,824 | 0.74% | |
| 3. | 28,060,427 | $371,800,676 | 0.02% | |
| 4. | 26,776,494 | $361,750,438 | 0.6% | |
| 5. | 20,656,729 | $279,072,407 | 0.04% |