Moderna, Inc.
Moderna, Inc. (MRNA) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · MRNA · as of Sep 30, 2025
Ownership Breakdown
721
Institutional Holders
▼ 22 vs Q2
$7.12B
Total Inst. Value
▼ $940.93M vs Q2
396.79M
Shares Outstanding
freeFloat 93.27%
275.13M
13F Shares Held
▼ 16.84M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
MRNA largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC biological products, (no diagnostic substances) | 41.19M | 10.61% | 10.61% | $1.06T | Nov 7, 2025 | ▼ 523.4K |
BLACKROCK, INC. biological products, (no diagnostic substances) | 29.53M | 7.61% | 7.61% | $762.71B | Nov 12, 2025 | ▲ 916.4K |
BAILLIE GIFFORD & CO biological products, (no diagnostic substances) | 21.85M | 5.63% | 5.63% | $564.30B | Oct 31, 2025 | ▼ 247.5K |
STATE STREET CORP biological products, (no diagnostic substances) | 17.11M | 4.41% | 4.41% | $441.92B | Nov 14, 2025 | ▼ 162.0K |
FMR LLC biological products, (no diagnostic substances) | 12.30M | 3.17% | 3.17% | $317.82B | Nov 13, 2025 | ▼ 7.34M |
MORGAN STANLEY biological products, (no diagnostic substances) | 9.96M | 2.57% | 2.57% | $257.32B | May 27, 2026 | ▲ 1.86M |
GEODE CAPITAL MANAGEMENT, LLC biological products, (no diagnostic substances) | 9.25M | 2.38% | 2.38% | $238.48B | Nov 12, 2025 | ▲ 372.1K |
INVESCO LTD. biological products, (no diagnostic substances) | 8.22M | 2.12% | 2.12% | $212.22B | Nov 13, 2025 | ▲ 1.12M |
THELEME PARTNERS LLP biological products, (no diagnostic substances) | 8.07M | 2.08% | 2.08% | $208.42B | Nov 13, 2025 | ▲ 200.0K |
TOROSO INVESTMENTS, LLC biological products, (no diagnostic substances) | 7.97M | 2.05% | 2.05% | $205.87B | Nov 14, 2025 | ▲ 7.90M |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
26
Increased
+28.93M shares1
New Positions
first time holders21
Decreased
−20.06M shares0
Sold Out
fully exitedNet shares change (top 50)
+8.87M
+28.93M / −20.06M
Net new holders
+6
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
MRNA insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
26
Buy transactions
26
Sell transactions
1.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Mock James M Chief Financial Officer | May 28, 2026 | Tax Withhold | 159 | $47.61 | $7.6K | 58.3K | Form 4 ↗ |
Mock James M Chief Financial Officer | May 27, 2026 | Tax Withhold | 374 | $47.03 | $17.6K | 58.1K | Form 4 ↗ |
Klinger Shannon Thyme Chief Legal Officer | May 28, 2026 | Tax Withhold | 159 | $47.61 | $7.6K | 66.3K | Form 4 ↗ |
Klinger Shannon Thyme Chief Legal Officer | May 27, 2026 | Tax Withhold | 374 | $47.03 | $17.6K | 66.2K | Form 4 ↗ |
Hoge Stephen President | May 28, 2026 | Tax Withhold | 295 | $47.61 | $14.0K | 1.48M | Form 4 ↗ |
Hoge Stephen President | May 27, 2026 | Tax Withhold | 695 | $47.03 | $32.7K | 1.48M | Form 4 ↗ |
AFEYAN NOUBAR director | May 21, 2026 | Sale | 9,263 | $46.84 | $433.9K | 3.9K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Moderna, Inc. (MRNA) is primarily owned by institutional investors, who hold approximately 69.3% of total shares outstanding. Company insiders own approximately 6.73%, while retail and public investors account for the remaining 23.93%.
The largest institutional shareholder of Moderna, Inc. is VANGUARD GROUP INC, holding approximately 41.19 million shares — equal to 10.61% of outstanding shares — as of September 30, 2025.
A total of 721 institutional investors currently hold MRNA stock, with a combined institutional value of approximately $7.12 billion as of the most recent 13F filing period.
Frequently asked questions
MRNA ownershipModerna, Inc. (MRNA) is primarily owned by institutional investors, who hold approximately 69.3% of shares. The largest shareholder is VANGUARD GROUP INC with a 10.61% stake. Company insiders hold 6.73%. Data sourced from SEC Form 13F as of September 30, 2025.