5 hedge funds and family offices disclose a MU position in their latest SEC 13F filing — combined $5.75B in market value. Of those, 1 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Leopold Aschenbrenner | Situational Awareness LP | 4,828,786 | $5.57B | 27.54% | 2026-06-30 |
| 2 | Ray Dalio | Bridgewater Associates LP | 116,666 | $134.7M | 0.55% | 2026-06-30 |
| 3 | George Soros | Soros Fund Management LLC | 22,422 | $25.9M | 0.32% | 2026-06-30 |
| 4 | Guy Spier | Aquamarine Capital Management, LLC | 200,000 | $11.1M | 6.49% | 2022-06-30 |
| 5 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 448 | $128K | 0.02% | 2025-12-31 |
As of the latest 13F window, 5 tracked superinvestors hold MU. The largest disclosed position is Leopold Aschenbrenner at $5.57B (27.5% 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
5 hedge funds and family offices disclose a MU position in their latest SEC 13F filing — combined $5.75B in market value. Of those, 1 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Leopold Aschenbrenner | Situational Awareness LP | 4,828,786 | $5.57B | 27.54% | 2026-06-30 |
| 2 | Ray Dalio | Bridgewater Associates LP | 116,666 | $134.7M | 0.55% | 2026-06-30 |
| 3 | George Soros | Soros Fund Management LLC | 22,422 | $25.9M | 0.32% | 2026-06-30 |
| 4 | Guy Spier | Aquamarine Capital Management, LLC | 200,000 | $11.1M | 6.49% | 2022-06-30 |
| 5 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 448 | $128K | 0.02% | 2025-12-31 |
As of the latest 13F window, 5 tracked superinvestors hold MU. The largest disclosed position is Leopold Aschenbrenner at $5.57B (27.5% 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
