Moderna, Inc. (MRNA) Ownership

NASDAQ: MRNATop holders, insider trades and short interest.

MRNA ownership summary

as of October 18, 2026
Institutions
80.6%
of shares outstanding
Insiders
7.34%
of shares outstanding
Shares outstanding
399.2M
Float
372.1M
shares available to trade
Short interest
9.44%
30.9M shares short
Days to cover
2.00
short interest down 6.1% vs prior month
  • Institutions 80.56%
  • Insiders 7.34%
  • Other investors 12.10%

MRNA top institutional holders

20 largest
Moderna, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1FMR Inc12.99%51.9M$11.31B+6.2M (+13.5%)June 30, 2026
2BlackRock Inc7.66%30.6M$6.67B+963,533 (+3.3%)June 30, 2026
3Vanguard Capital Management, LLC5.81%23.2M$5.06B+336,334 (+1.5%)June 30, 2026
4Capital World Investors5.58%22.3M$4.86B+3.6M (+19.1%)June 30, 2026
5Baillie Gifford & Co Limited.4.56%18.2M$3.97B−1.8M (−8.9%)June 30, 2026
6State Street Corp3.94%15.7M$3.43B+864,784 (+5.8%)June 30, 2026
7Vanguard Portfolio Management, LLC3.90%15.6M$3.40B−35,054 (−0.2%)June 30, 2026
8Geode Capital Management, LLC2.43%9.7M$2.12B+275,203 (+2.9%)June 30, 2026
9Morgan Stanley - Brokerage Accounts2.39%9.5M$2.08B+1.1M (+12.6%)June 30, 2026
10Theleme Partners LLP2.02%8.1M$1.76B+9,326 (+0.1%)June 30, 2026
11Two Sigma Investments LLC1.80%7.2M$1.57B−1.9M (−20.8%)June 30, 2026
12Amvescap Plc.1.45%5.8M$1.26B+995,541 (+20.8%)June 30, 2026
13T. Rowe Price Associates, Inc.1.40%5.6M$1.22B+4.9M (+656.8%)June 30, 2026
14Charles Schwab Investment Management Inc1.21%4.8M$1.05B+104,528 (+2.2%)June 30, 2026
15The Goldman Sachs Group Inc1.17%4.7M$1.02B−1.9M (−29.3%)June 30, 2026
16Flagship Ventures Management, Inc.1.16%4.6M$1.01B—June 30, 2026
17UBS Group AG1.12%4.5M$973.0M+55,304 (+1.3%)June 30, 2026
18BNP Paribas Arbitrage, SA1.10%4.4M$954.3M+59,901 (+1.4%)June 30, 2026
19NORGES BANK0.76%3.0M$659.7M+323,242 (+12.0%)June 30, 2026
20Northern Trust Corp0.75%3.0M$650.8M+33,288 (+1.1%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 15 holders added 19.7M shares and 4 cut 5.6M.

MRNA top mutual fund and ETF holders

20 largest
Moderna, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1American Funds Growth Fd of Amer A3.75%15.0M$3.27B—September 30, 2026
2Vanguard MStar Total Stk Mkt Idx Invest2.84%11.4M$2.48B−13,010 (−0.1%)August 31, 2026
3Vanguard 500 Index Investor2.44%9.8M$2.13B+370,287 (+3.9%)September 30, 2026
4Fidelity Growth Company Fund2.06%8.2M$1.80B+1.4M (+21.3%)August 31, 2026
5Scottish Mortgage Ord1.85%7.4M$1.61B−468,307 (−6.0%)July 31, 2026
6Fidelity OTC1.30%5.2M$1.13B−123,200 (−2.3%)August 31, 2026
7iShares Core S&P 500 ETF1.24%4.9M$1.08B−7,955 (−0.2%)September 30, 2026
8American Funds IS® Growth 11.20%4.8M$1.04B+159,395 (+3.4%)September 30, 2026
9Fidelity 500 Index1.15%4.6M$999.4M+17,604 (+0.4%)August 31, 2026
10State Street® SPDR® S&P 500® ETF1.14%4.6M$993.3M—September 30, 2026
11Vanguard International Growth Inv1.12%4.5M$973.9M−1.4M (−24.1%)June 30, 2026
12Fidelity Contrafund1.08%4.3M$944.1M−1,452 (−0.0%)August 31, 2026
13Vanguard Small Cap Index1.01%4.0M$881.6M−4.2M (−50.8%)September 30, 2026
14Vanguard MStar Mid Cap Index Instl0.96%3.8M$838.7M+3.8M (0.0%)September 30, 2026
15iShares Biotechnology ETF0.71%2.9M$621.3M−21,592 (−0.8%)September 30, 2026
16State Street®HlthCrSelSectSPDR®ETF0.66%2.6M$574.0M+8,192 (+0.3%)September 30, 2026
17Vanguard MStar Small Cap Value Index0.66%2.6M$573.8M−2.6M (−49.6%)September 30, 2026
18Vanguard US Growth Investor0.64%2.6M$555.9M—June 30, 2026
19Fidelity Growth Company K60.59%2.4M$516.7M+395,800 (+20.0%)August 31, 2026
20Capital Group Growth ETF0.59%2.4M$512.8M+6,192 (+0.3%)September 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

MRNA insider transactions

latest 4
Moderna, Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-02-23Stephen HogeSell$48.84160,009$7.8M
2026-01-23Ro KhannaBuy$48.78——
2025-12-11Noubar AfeyanSell$29.4823,853$703,186
2025-12-09Abbas HussainSell$27.60504$13,910

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

MRNA shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns MRNA

Institutional investors own 80.6% of Moderna's shares and insiders 7.34%. The largest holder is FMR Inc with 12.99% of the shares (51.9M), as of June 30, 2026. Among the top 20 institutions, 15 added shares and 4 reduced their stake in the latest filings. Short interest is 9.44% of the float, or 2.00 days of average trading volume. The share count rose 542.6% since 2016.

Related: MRNA analyst forecast, MRNA key metrics. See the MRNA stock overview for the latest quote and news.

MRNA ownership FAQ

Who owns the most Moderna stock?

The largest shareholders of Moderna are FMR Inc (12.99%), BlackRock Inc (7.66%), Vanguard Capital Management, LLC (5.81%), Capital World Investors (5.58%), Baillie Gifford & Co Limited. (4.56%).

What percentage of Moderna is owned by institutions?

Institutions hold 80.6% of Moderna's shares outstanding; insiders hold 7.34%.

Which funds own Moderna?

The largest fund holders of Moderna are American Funds Growth Fd of Amer A (3.75%), Vanguard MStar Total Stk Mkt Idx Invest (2.84%), Vanguard 500 Index Investor (2.44%), Fidelity Growth Company Fund (2.06%), Scottish Mortgage Ord (1.85%).

What is Moderna's short interest?

30.9M shares of Moderna were sold short, 9.44% of the float; at the average daily volume it would take 2.00 days to cover.

Are insiders buying or selling Moderna?

Of the latest 4 reported insider transactions in Moderna (since December 9, 2025), 1 were purchases and 3 were sales.

How many shares of Moderna are outstanding?

Moderna has 399.2M shares outstanding, of which 372.1M are in the public float.

Biotechnology: ownership