Moderna MRNA

US equityMarket cap rank #227Infectious Disease

$183.47

+$1.36 (+0.75%)

Market open · Sep 24, 1:10 pm ET

After hours $181.30 -0.44%

Open$180.60

Prev close$182.11

Day range$180.39 – $189.22

Volume8.01M

Market cap$73.25B

P/E (TTM)–

Dividend yield–

Ownership & positioning

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

Institutional ownership80.6%-2.32 pts vs. prior quarter

Institutions holding938-2 vs. prior quarter

Insider trades (recent)10 buys / 6 sellsNet buying

Short interest9.81% of floatDays to cover 1.0 · as of 31 Aug 2026

Short-sale volume share17.3%5-day average of daily volume

Net of large-order buying minus selling, in USD. Over this window: +$224.21M (9 inflow days, 11 outflow days).

Institutional holders938

Institutional ownership80.6%

Total transactions15

Bought10

Sold6

Report date	Shares short	% of float	Days to cover
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
15 Jul 2026	52,401,842	13.2%	6.1
30 Jun 2026	53,185,640	13.4%	4.6
15 Jun 2026	58,664,960	14.8%	10.5