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Moderna MRNA

$254.19 +$12.73 (+5.27%)
Market closed · Nov 6, 8:20 pm ET · Last extended-hours $256.92 +1.07%
Open$245.40
Prev close$241.46
Day range$237.86 – $267.50
Volume16.33M
Market cap$101.48B
P/E (TTM)–
Dividend yield–

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership80.7%-2.46 pts vs. prior quarter
Institutions holding1,090+136 vs. prior quarter
Insider trades (recent)21 buys / 28 sellsNet selling
Short interest8.17% of floatDays to cover 1.8 · as of 15 Oct 2026
Short-sale volume share18.2%5-day average of daily volume

Short-sale volume as % of daily volume

12%17%22%27%Sep '26Oct '26Nov '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: +$362.43M (13 inflow days, 7 outflow days).

Net flow by order size, last 20 sessions

+$199.0MSuper+$163.4MBig+$149.0MMid+$46.5MSmall

Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.

The five largest holders on file together own 38.1% of shares outstanding.

Largest holders

  • FMR12.96%
  • BlackRock7.66%
  • Vanguard Capital Management, LLC6.31%
  • Capital Research5.58%
  • Stéphane Bancel5.56%
  • Baillie Gifford4.56%
  • State Street Global Advisors3.94%
  • Vanguard Portfolio Management, LLC3.90%

By investor type

  • Mutual Fund65.37%
  • Individual/Insider6.74%
  • Hedge Fund5.37%
  • Public Company3.58%
  • Private Company2.27%
  • VC/PE Fund1.78%
  • Government Pension Fund0.94%
  • Sovereign Wealth Fund0.76%

Reported short interest has fallen from 12.54% to 8.17% of float over the last 6 biweekly reports (31 Jul 2026 to 15 Oct 2026).

Recent institutional activity

HolderTypePeriodShare changeNew stake
Hartford Funds Management Company, LLC Mutual Fund 2026/Q3 +324,787 0.1%
Stéphane Bancel Individual/Insider 2026/Q3 +252,469 5.6%
FMR Mutual Fund 2026/Q3 +6,109,142 13.0%
T. Rowe Price Group, Inc. Mutual Fund 2026/Q3 +4,850,982 1.4%
Capital Research Mutual Fund 2026/Q3 +3,579,302 5.6%
Baron Capital Group, Inc. Mutual Fund 2026/Q3 +1,989,386 0.5%
Morgan Stanley Public Company 2026/Q3 +1,110,697 1.6%
BlackRock Mutual Fund 2026/Q3 +963,533 7.7%
Invesco Capital Management LLC Mutual Fund 2026/Q3 +947,217 1.3%
State Street Global Advisors Mutual Fund 2026/Q3 +864,784 3.9%
Citigroup Inc. Public Company 2026/Q3 +685,380 0.5%
AQR Capital Management Hedge Fund 2026/Q3 +439,605 0.1%
Bank of America Corporation Public Company 2026/Q3 +424,120 0.3%
Vanguard Capital Management, LLC Mutual Fund 2026/Q3 +357,644 6.3%
Dimensional Fund Advisors Mutual Fund 2026/Q3 +336,608 0.6%

Institutional buy/sell activity by reporting period, largest moves first.

Insider transactions

DateInsiderTitleTransactionSharesPriceHeld after
14 Oct 2026 Stephen Hoge President Intent to Sell (Form 144) -39,145 $220.72 –
14 Oct 2026 Stephen Hoge President Derivative Exercise and Sale -78,369 $220.72 1,792,614
14 Oct 2026 Stephen Hoge President Derivative Exercise and Retained +74,536 $12.21 1,792,614
13 Oct 2026 Stephen Hoge President Intent to Sell (Form 144) -39,224 $213.48 –
4 Oct 2026 Juan Andres Chief Operating Officer Initial Statement of Beneficial +0 – 125,000
4 Oct 2026 James Mock Chief Financial Officer Derivative Exercise and Sale -704 $190.01 60,125
4 Oct 2026 James Mock Chief Financial Officer Derivative Exercise and Retained +750 – 60,125
14 Sep 2026 Stephen Hoge President Intent to Sell (Form 144) -40,281 $146.07 –
14 Sep 2026 Stephen Hoge President Derivative Exercise and Sale -80,575 $146.07 1,718,078
14 Sep 2026 Stephen Hoge President Derivative Exercise and Retained +72,330 $12.21 1,718,078
13 Sep 2026 Stephen Hoge President Intent to Sell (Form 144) -40,294 $144.13 –
9 Sep 2026 James Mock Chief Financial Officer Automatic Disposition -15,000 $134.49 59,375
9 Sep 2026 James Mock Chief Financial Officer Derivative Exercise and Sale -19,836 $134.49 59,375
3 Sep 2026 Shannon Klinger Chief Legal Officer Derivative Exercise and Sale -5,704 $148.87 81,340
3 Sep 2026 Shannon Klinger Chief Legal Officer Derivative Exercise and Retained +6,093 – 81,340
3 Sep 2026 James Mock Chief Financial Officer Derivative Exercise and Sale -5,704 $148.87 74,375
3 Sep 2026 James Mock Chief Financial Officer Derivative Exercise and Retained +6,093 – 74,375
31 Aug 2026 Shannon Klinger Chief Legal Officer Sale to Issuer -1,048 $140.34 75,247
31 Aug 2026 Shannon Klinger Chief Legal Officer Derivative Exercise and Sale -3,471 $139.95 75,247
31 Aug 2026 Shannon Klinger Chief Legal Officer Derivative Exercise and Retained +2,166 – 75,247

From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.

Short interest, by report

Report dateShares short% of floatDays to cover
15 Oct 2026 32,603,398 8.2% 1.8
30 Sep 2026 30,863,202 7.7% 1.8
15 Sep 2026 32,872,787 8.2% 2.5
31 Aug 2026 39,151,532 9.8% 1.0
14 Aug 2026 52,809,184 13.2% 9.2
31 Jul 2026 49,768,882 12.5% 10.2

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