6 hedge funds and family offices disclose a MU position in their latest SEC 13F filing — combined $1.10B in market value. Of those, 1 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Leopold Aschenbrenner | Situational Awareness LP | 1,727,700 | $583.7M | 4.27% | 2026-03-31 |
| 2 | Ray Dalio | Bridgewater Associates LP | 1,475,704 | $498.6M | 2.23% | 2026-03-31 |
| 3 | Guy Spier | Aquamarine Capital Management, LLC | 200,000 | $11.1M | 6.49% | 2022-06-30 |
| 4 | Stanley Druckenmiller | Duquesne Family Office LLC | 23,400 | $7.9M | 0.27% | 2026-03-31 |
| 5 | George Soros | Soros Fund Management LLC | 2,824 | $954K | 0.01% | 2026-03-31 |
| 6 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 448 | $128K | 0.02% | 2025-12-31 |
As of the latest 13F window, 6 tracked superinvestors hold MU. The largest disclosed position is Leopold Aschenbrenner at $583.7M (4.3% of portfolio).
13F filings are due 45 days after each quarter end and capture long-equity positions held by U.S. institutional managers with $100M+ AUM. Use this page to see exactly who is buying MU, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
6 hedge funds and family offices disclose a MU position in their latest SEC 13F filing — combined $1.10B in market value. Of those, 1 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Leopold Aschenbrenner | Situational Awareness LP | 1,727,700 | $583.7M | 4.27% | 2026-03-31 |
| 2 | Ray Dalio | Bridgewater Associates LP | 1,475,704 | $498.6M | 2.23% | 2026-03-31 |
| 3 | Guy Spier | Aquamarine Capital Management, LLC | 200,000 | $11.1M | 6.49% | 2022-06-30 |
| 4 | Stanley Druckenmiller | Duquesne Family Office LLC | 23,400 | $7.9M | 0.27% | 2026-03-31 |
| 5 | George Soros | Soros Fund Management LLC | 2,824 | $954K | 0.01% | 2026-03-31 |
| 6 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 448 | $128K | 0.02% | 2025-12-31 |
As of the latest 13F window, 6 tracked superinvestors hold MU. The largest disclosed position is Leopold Aschenbrenner at $583.7M (4.3% of portfolio).
13F filings are due 45 days after each quarter end and capture long-equity positions held by U.S. institutional managers with $100M+ AUM. Use this page to see exactly who is buying MU, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
