Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in MRNA held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | FMR LLC | 45.7M | $2.32B | +62.8% | 11.516% | 0.12% |
| 2 | BlackRock, Inc. | 29.6M | $1.51B | -8.8% | 7.473% | 0.03% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 22.9M | $1.16B | β | 5.767% | 0.03% |
| 4 | BAILLIE GIFFORD & CO | 20.0M | $1.02B | -2.9% | 5.040% | 1.04% |
| 5 | Capital World Investors | 18.7M | $949.8M | +45.8% | 4.715% | 0.13% |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 15.6M | $793.3M | β | 3.938% | 0.04% |
| 7 | STATE STREET CORP | 14.9M | $755.0M | -9.2% | 3.747% | 0.03% |
| 8 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 12.6M | $638.8M | -32.0% | 3.171% | 0.07% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 9.4M | $478.5M | +2.3% | 2.379% | 0.03% |
| 10 | TWO SIGMA INVESTMENTS, LP | 9.2M | $467.7M | +25.1% | 2.322% | 0.38% |
| 11 | MORGAN STANLEY | 8.5M | $430.3M | -4.5% | 2.136% | 0.03% |
| 12 | UBS Group AG | 8.3M | $423.5M | -43.5% | 2.102% | 0.06% |
| 13 | Theleme Partners LLP | 8.0M | $408.9M | -0.4% | 2.029% | 27.24% |
| 14 | CITADEL ADVISORS LLC | 7.1M | $358.9M | -40.8% | 1.782% | 0.17% |
| 15 | GOLDMAN SACHS GROUP INC | 6.8M | $344.0M | +18.5% | 1.707% | 0.04% |
| 16 | CITIGROUP INC | 6.3M | $320.0M | -24.1% | 1.588% | 0.14% |
| 17 | BNP PARIBAS ARBITRAGE, SA | 4.3M | $248.8M | +4.0% | 1.090% | 0.12% |
| 18 | Invesco Ltd. | 4.8M | $243.1M | -31.9% | 1.206% | 0.04% |
| 19 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 4.7M | $240.5M | +2.4% | 1.194% | 0.04% |
| 20 | Flagship Pioneering Inc. | 4.6M | $235.3M | 0.0% | 1.168% | 20.26% |
| 21 | Alyeska Investment Group, L.P. | 4.1M | $205.8M | +25.5% | 1.022% | 0.58% |
| 22 | NORTHERN TRUST CORP | 3.0M | $150.0M | -1.7% | 0.744% | 0.02% |
| 23 | BANQUE PICTET & CIE SA | 2.7M | $139.6M | -12.2% | 0.693% | 1.01% |
| 24 | FIRST TRUST ADVISORS LP | 2.4M | $121.5M | +59.3% | 0.603% | 0.09% |
| 25 | WELLINGTON MANAGEMENT GROUP LLP | 2.4M | $119.8M | +2730.4% | 0.595% | 0.02% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in MRNA β a direct measure of their conviction.
Filings activity in MRNA during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new MRNA position in Q1 2026
Institutions that fully closed their MRNA position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 698 | +5.9% | 86.10% | +31.77 pp | $17.04B | +58% |
| Q4 2025 | 659 | +8.6% | 54.33% | +13.07 pp | $10.75B | +32% |
| Q3 2025 | 607 | 7.2% | 41.26% | 4.22 pp | $8.17B | 9.3% |
| Q2 2025 | 654 | 2.1% | 45.48% | +2.67 pp | $9.00B | +6.2% |
| Q1 2025 | 668 | 5.8% | 42.81% | 39.04 pp | $8.47B | 48% |
| Q4 2024 | 709 | 5.1% | 81.85% | 9.80 pp | $16.20B | 11% |
| Q3 2024 | 747 | 17% | 91.65% | 108.21 pp | $18.14B | 54% |
| Q2 2024 | 902 | β | 199.86% | β | $39.56B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying MRNA stock.
Based on Q1 2026 13F filings, institutional ownership of Moderna, Inc. stands at 86.1%, held across 698 reporting institutions.
FMR LLC is the largest reported institutional holder of MRNA, with approximately 45,672,024 shares worth $2.32B as of Q1 2026.
Yes β 3 widely-followed marquee investors appear among the top 25 institutional holders of MRNA, including SUSQUEHANNA INTERNATIONAL GROUP, LLP, TWO SIGMA INVESTMENTS, LP, CITADEL ADVISORS LLC.
Our composite Smart Money Score for MRNA is 77 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
153 institutions opened new positions in MRNA during Q1 2026, while 114 fully exited. 485 added to existing positions and 56 trimmed.
MRNA institutional ownership rose by 31.77 percentage points quarter-over-quarter, with a net change of +39 holders.
The top 10 institutions account for 59.2% of all reported 13F value in MRNA, and the top 25 account for 82.6%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Moderna, Inc. (MRNA) Institutional Ownership