GlaxoSmithKline GSK

$49.77

+$0.06 (+0.11%)

Market open · Sep 24, 1:10 pm ET

After hours $49.71 0.00%

Open$49.54

Prev close$49.71

Day range$49.57 – $50.14

Volume1.43M

Market cap$99.70B

P/E (TTM)16.0

Dividend yield3.56%

Ownership & positioning

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

Institutional ownership88.1%-0.52 pts vs. prior quarter

Institutions holding1,582-25 vs. prior quarter

Short interest0.68% of floatDays to cover 4.8 · as of 31 Aug 2026

Short-sale volume share22.9%5-day average of daily volume

Net of large-order buying minus selling, in USD. Over this window: −$2.53M (9 inflow days, 11 outflow days).

Institutional holders1,582

Institutional ownership88.1%

Report date	Shares short	% of float	Days to cover
31 Aug 2026	13,546,612	0.7%	4.8
14 Aug 2026	14,778,190	0.7%	4.5
31 Jul 2026	14,516,962	0.7%	2.6
15 Jul 2026	13,759,806	0.7%	4.5
30 Jun 2026	12,755,267	0.6%	3.3
15 Jun 2026	8,398,074	0.4%	2.0