Institutional Holders (2026 Q2)
766 + 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 | Theleme Partners LLP | 33.52% | 8,057,571 | $564.3M |
| 2 | Merck & Co., Inc. | 30.71% | 2,308,190 | $161.6M |
| 3 | Flagship Pioneering, LLC | 21.07% | 4,632,149 | $324.4M |
| 4 | Mount Capital Ltd | 12.10% | 457,900 | $32.1M |
| 5 | Step Capital Management Pte. Ltd. | 10.51% | 695,000 | $48.7M |
| 6 | Plustick Management LLC | 6.38% | 245,000 | $17.2M |
| 7 | REX Advisers, LLC | 4.29% | 27,100 | $1.9M |
| 8 | Arrow Capital Pty Ltd | 3.58% | 60,000 | $4.2M |
| 9 | Telemark Asset Management, LLC | 3.54% | 700,000 | $49.0M |
| 10 | Ikarian Capital, LLC | 3.02% | 400,000 | $28.0M |
| 11 | Aufman Associates Inc | 1.82% | 65,687 | $4.6M |
| 12 | Elevated Private Wealth, LLC | 1.66% | 25,040 | $1.8M |
| 13 | DC Investments Management, LLC | 1.64% | 68,624 | $4.8M |
| 14 | Green Alpha Advisors, LLC | 1.59% | 33,758 | $2.4M |
| 15 | Affinity Asset Advisors, LLC | 1.58% | 500,000 | $35.0M |
| 16 | Scientech Research LLC | 1.52% | 26,826 | $1.9M |
| 17 | Affinity Asset Advisors, LLC | 1.50% | 475,000 | $33.3M |
| 18 | Twin Focus Capital Partners, LLC | 1.32% | 185,601 | $13.0M |
| 19 | Douglas Lane & Associates, LLC | 1.28% | 1,343,479 | $94.1M |
| 20 | Banque Pictet & Cie SA | 1.18% | 2,699,402 | $189.0M |
| 21 | Legal Advantage Investments, Inc. | 1.17% | 47,675 | $3.3M |
| 22 | Baillie Gifford & Co | 1.16% | 18,206,778 | $1.28B |
| 23 | Lingotto Investment Management LLP | 1.15% | 763,907 | $53.5M |
| 24 | Westwood Wealth Management | 1.08% | 53,140 | $3.7M |
| 25 | Perceptive Advisors LLC | 1.05% | 1,000,000 | $70.0M |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|