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Buy Day today: Neutral (48) Mixed market breadth · no major macro event
GSK

GlaxoSmithKline PLC

Healthcare · Drug Manufacturers - General

49.70$ +0.9% vs. previous close Closing price · As of: Sep 28, 2026

Ownership

Ownership Structure

Who owns GlaxoSmithKline PLC (GSK)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 96.9% of the shares are freely tradable; institutional investors hold 18.7%.

Institutional ownership ?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings. 18.7%
Insiders ?Share of the stock held by the executives, founders and major shareholders of the company itself. 0.1%
Float ?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders. 96.9%
Short % of float ?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices. 0.7%
Shares Outstanding ?Total number of shares issued. Price times share count gives market cap. 2,003Mio.

Largest Shareholders

Institutions

Institutions GSK
Name Stake (%) Shares Change (%) Date
FMR Inc 3.38 67,661,646 +0.3 03/31/2026
Dodge & Cox 2.41 48,197,514 -17.8 06/30/2026
Fisher Asset Management, LLC 1.78 35,722,792 +3.5 06/30/2026
PRIMECAP Management Company 1.26 25,182,068 -0.1 06/30/2026
Acadian Asset Management LLC 0.59 11,797,085 +1,169.9 03/31/2026
Wellington Management Company LLP 0.57 11,396,249 -2.7 06/30/2026
Morgan Stanley - Brokerage Accounts 0.55 11,030,651 +89.2 03/31/2026
The Goldman Sachs Group Inc 0.48 9,589,114 +32.4 03/31/2026

Funds

Funds GSK
Name Stake (%) Shares Change (%) Date
Dodge & Cox Stock I 1.69 33,782,987 -21.4 06/30/2026
Vanguard PRIMECAP Inv 0.91 18,172,650 +0.1 06/30/2026

Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.

Data as of: September 28, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)

Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.

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