Whale Analyzer
GSK Institutional Holders and 13F Ownership
Compare 9 tracked holders of GSK, their reported positions and disclosed changes. Coverage is limited to the investors tracked by Whale Analyzer; these records do not establish all shareholders or current trades. Available original SEC filings for tracked 13F holders are linked below. Top tracked holders include Dodge & Cox, PRIMECAP Management Company, Bridgewater Associates, and Kahn Brothers Group.
Continue to the live GSK dashboardTop holders
| Investor | Reported value | Shares | Change | Report date |
|---|---|---|---|---|
| Dodge & Cox 13F holdings | $2.53B | 48.2M | Reduced | 2026-06-30 |
| PRIMECAP Management Company 13F holdings | $1.32B | 25.2M | Reduced | 2026-06-30 |
| Bridgewater Associates 13F holdings | $26.4M | 504.2K | Reduced | 2026-06-30 |
| Kahn Brothers Group 13F holdings | $8.3M | 158.4K | Reduced | 2026-06-30 |
| Hillman Capital Management 13F holdings | $4.8M | 92.4K | Reduced | 2026-06-30 |
| Tweedy Browne 13F holdings | $4.3M | 81.5K | Reduced | 2026-06-30 |
| Pzena Investment Management 13F holdings | $1.4M | 29.0K | Increased | 2026-09-30 |
| Horizon Kinetics Asset Management 13F holdings | $1.3M | 24.0K | Reduced | 2026-06-30 |
| Causeway Capital Management 13F holdings | $375.5K | 7.2K | Reduced | 2026-06-30 |
Original SEC filing sources
These recorded filings support the tracked 13F rows included in the aggregate reported values on this page. See each holder profile for source coverage and context for other disclosure types.
- Dodge & Cox SEC filing (0001193125-26-349535) · report date 2026-06-30
- PRIMECAP Management Company SEC filing (0000763212-26-000028) · report date 2026-06-30
- Bridgewater Associates SEC filing (0001350694-26-000003) · report date 2026-06-30
- Kahn Brothers Group SEC filing (0001039565-26-000006) · report date 2026-06-30
- Hillman Capital Management SEC filing (0001398344-26-014467) · report date 2026-06-30
- Tweedy Browne SEC filing (0001193125-26-340443) · report date 2026-06-30
- Pzena Investment Management SEC filing (0001027796-26-000065) · report date 2026-09-30
- Horizon Kinetics Asset Management SEC filing (0001398344-26-014047) · report date 2026-06-30
- Causeway Capital Management SEC filing (0000945621-26-001052) · report date 2026-06-30
Tracked-sample concentration
Reported position value for GSK is highly concentrated within this tracked-holder sample. These percentages are not market-wide ownership shares.
- Largest tracked holder: 64.9% of aggregate reported value in this sample
- Top 5 tracked holders: 99.8% of aggregate reported value in this sample
- Top 10 tracked holders: 100.0% of aggregate reported value in this sample
Whale activity this quarter
Across 9 tracked holders, 8 reduced, 1 increased. Net positioning is net selling.
- Dodge & Cox ($2.53B) (▼ 17.8% qoq shares)
- PRIMECAP Management Company ($1.32B) (▼ 0.1% qoq shares)
- Bridgewater Associates ($26.4M) (▼ 27.8% qoq shares)
- Kahn Brothers Group ($8.3M) (▼ 1.6% qoq shares)
- Hillman Capital Management ($4.8M) (▼ 5.2% qoq shares)
- Tweedy Browne ($4.3M) (▼ 0.3% qoq shares)
- Pzena Investment Management ($1.4M) (▲ 18.2% qoq shares)
- Horizon Kinetics Asset Management ($1.3M) (▼ 1.5% qoq shares)
Sector positioning — Other
GSK sits within the Other sector alongside 1558 other tracked names. Compare reported positions across tracked peers:
How to use this page
Values are reported public positions from tracked 13F filers and disclosures — not real-time or market-wide ownership totals. Open the live GSK dashboard for price charts and cross-investor scans, or read the SEC 13F guide.
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- HUM whale holders — Humana, Inc.
- GOOG whale holders — Alphabet, Inc.
Learn more in Whale Analyzer Academy
Deepen your read on GSK with these Whale Analyzer Academy guides:
Frequently asked questions
Who owns GSK stock?
Whale Analyzer tracks 9 public-disclosure holders of GSK with a combined reported value of $3.89B. See the holder table above for the largest tracked positions.
Which top funds are buying GSK?
Tracked holders were net selling last quarter — 8 reduced, 1 increased. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.
How concentrated is the tracked GSK sample?
The top five tracked holders account for 99.8% of aggregate reported value in this tracked sample. This is not a market-wide ownership percentage.
What does 13F ownership mean for GSK?
These are historical reported positions from tracked filers, not real-time ownership or a complete shareholder register. Use the interactive GSK dashboard to explore them, or read our 13F Alpha Signals Guide.