Institutional Holders (2026 Q1)
723 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in MRNA. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Merck & Co., Inc. | 33.56% | 2,308,190 | $117.3M |
| 2 | Theleme Partners LLP | 27.24% | 8,048,245 | $408.9M |
| 3 | Flagship Pioneering, LLC | 20.26% | 4,632,149 | $235.3M |
| 4 | Step Capital Management Pte. Ltd. | 13.15% | 645,000 | $32.8M |
| 5 | Mount Capital Ltd | 8.09% | 395,200 | $20.1M |
| 6 | Plustick Management LLC | 5.40% | 220,000 | $11.2M |
| 7 | Telemark Asset Management, LLC | 2.35% | 500,000 | $25.4M |
| 8 | Affinity Asset Advisors, LLC | 2.10% | 800,000 | $40.6M |
| 9 | Artia Global Partners LP | 2.03% | 200,000 | $10.2M |
| 10 | Green Alpha Advisors, LLC | 1.72% | 34,338 | $1.7M |
| 11 | Collar Capital Management, LLC | 1.63% | 49,686 | $2.5M |
| 12 | Crawford Fund Management, LLC | 1.55% | 158,200 | $8.0M |
| 13 | Chapin Davis, INC. | 1.42% | 125,539 | $6.4M |
| 14 | Diadema Partners LP | 1.38% | 159,400 | $8.1M |
| 15 | Aufman Associates Inc | 1.35% | 56,998 | $2.7M |
| 16 | DC Investments Management, LLC | 1.33% | 68,624 | $3.5M |
| 17 | Legal Advantage Investments, Inc. | 1.26% | 48,175 | $2.4M |
| 18 | Twin Focus Capital Partners, LLC | 1.08% | 185,601 | $9.4M |
| 19 | Baillie Gifford & Co | 1.04% | 19,985,876 | $1.02B |
| 20 | Quantessence Capital LLC | 1.01% | 4,063 | $206K |
| 21 | Perceptive Advisors LLC | 0.99% | 1,000,000 | $50.8M |
| 22 | Banque Pictet & Cie SA | 0.98% | 2,748,754 | $139.6M |
| 23 | Douglas Lane & Associates, LLC | 0.96% | 1,311,480 | $66.6M |
| 24 | Hamilton Wealth, LLC | 0.87% | 242,184 | $12.3M |
| 25 | Two Seas Capital LP | 0.78% | 1,100,000 | $55.9M |
| Investor | Ownership History |
% of Portfolio | Prev % | Rank | Conviction | Avg Buy Price | 13F Score™ 3Y / 7Y | Sell Timing | Shares | Mkt Value | Change | Change % | Source | Quarter | Filed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|