Does Primecap own GSK stock?

Yes. As of its Q2 2026 13F, Primecap holds 25,182,068 shares of GSK, worth $1.3B.

How many shares of GSK does Primecap own?

As of its Q2 2026 13F, Primecap holds 25,182,068 shares of GSK.

As of its Q2 2026 13F, Primecap's GSK position is worth $1.3B.

In Q2 2026, Primecap reduced its GSK position by 22,470 shares (-0.1%).

Primecap already held GSK in its Q3 2022 13F, the earliest on record, and has listed it in 16 quarterly 13F filings.

Position history for PRIMECAP MANAGEMENT CO/CA/'s holdings in GSK PLC

Current Value

$1.3B

Current Shares

25.2M

Total Value Change

+$1.3B

Total Shares Change

+24.7M

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	25.2M	-0.1%	$1.3B	0.8%	$51.95	0
2026-Q1	Increased	25.2M	+0.3%	$1.4B	1.1%	$57.07	50
2025-Q4	Decreased	25.1M	-2.5%	$1.2B	0.9%	$49.30	0
2025-Q3	Decreased	25.8M	-7.1%	$1.1B	0.9%	$40.74	0
2025-Q2	Increased	27.7M	+7.8%	$1.1B	0.8%	$36.68	49
2025-Q1	Increased	25.7M	+1.8%	$995.9M	0.8%	$36.58	46
2024-Q4	Increased	25.3M	+70.1%	$854.3M	0.7%	$31.59	67
2024-Q3	Increased	14.9M	+2.4%	$607.2M	0.4%	$37.75	39
2024-Q2	Increased	14.5M	+13.9%	$558.7M	0.4%	$35.22	43
2024-Q1	Increased	12.7M	+5.4%	$546.1M	0.4%	$38.90	40
2023-Q4	Increased	12.1M	+0.3%	$448M	0.4%	$33.30	37
2023-Q3	Increased	12.1M	+2.4%	$437.1M	0.4%	$32.25	38
2023-Q2	Increased	11.8M	+19.3%	$419.5M	0.4%	$31.38	44
2023-Q1	Increased	9.9M	+162.1%	$351.2M	0.3%	$31.03	60
2022-Q4	Increased	3.8M	+753.7%	$132.3M	0.1%	$30.35	58
2022-Q3	New	441,120	-	$13M	0.0%	$25.18	39

Other major holders of GSK: FMR LLC, DODGE & COX