2 hedge funds and family offices disclose a BMRN position in their latest SEC 13F filing — combined $410.6M in market value.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Viking Global | Viking Global Investors LP | 7,062,077 | $398.9M | 1.12% | 2026-03-31 |
| 2 | Ray Dalio | Bridgewater Associates LP | 206,911 | $11.7M | 0.05% | 2026-03-31 |
As of the latest 13F window, 2 tracked superinvestors hold BMRN. The largest disclosed position is Viking Global at $398.9M (1.1% 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 BMRN, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
2 hedge funds and family offices disclose a BMRN position in their latest SEC 13F filing — combined $410.6M in market value.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Viking Global | Viking Global Investors LP | 7,062,077 | $398.9M | 1.12% | 2026-03-31 |
| 2 | Ray Dalio | Bridgewater Associates LP | 206,911 | $11.7M | 0.05% | 2026-03-31 |
As of the latest 13F window, 2 tracked superinvestors hold BMRN. The largest disclosed position is Viking Global at $398.9M (1.1% 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 BMRN, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways