Does Primecap own MSFT stock?

Yes. As of its Q2 2026 13F, Primecap holds 7,140,870 shares of MSFT (Microsoft), worth $2.7B.

How many shares of MSFT does Primecap own?

As of its Q2 2026 13F, Primecap holds 7,140,870 shares of MSFT (Microsoft).

As of its Q2 2026 13F, Primecap's MSFT position is worth $2.7B.

In Q2 2026, Primecap reduced its MSFT position by 123,690 shares (-1.7%).

Primecap already held MSFT in its Q4 2018 13F, the earliest on record, and has listed it in 31 quarterly 13F filings.

Position history for PRIMECAP MANAGEMENT CO/CA/'s holdings in MICROSOFT CORP

Current Value

$2.7B

Current Shares

7.1M

Total Value Change

-$1.3B

Total Shares Change

-31.5M

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	7.1M	-1.7%	$2.7B	1.6%	$372.32	0
2026-Q1	Decreased	7.3M	-0.3%	$2.7B	2.1%	$368.68	0
2025-Q4	Decreased	7.3M	-13.1%	$3.5B	2.7%	$480.57	0
2025-Q3	Decreased	8.4M	-8.0%	$4.3B	3.3%	$513.72	0
2025-Q2	Increased	9.1M	+0.3%	$4.5B	3.6%	$492.54	59
2025-Q1	Decreased	9.1M	-4.8%	$3.4B	2.8%	$371.03	0
2024-Q4	Decreased	9.5M	-3.0%	$4B	3.1%	$415.78	0
2024-Q3	Decreased	9.8M	-2.0%	$4.2B	3.1%	$423.61	0
2024-Q2	Decreased	10M	-1.9%	$4.5B	3.2%	$439.21	0
2024-Q1	Decreased	10.2M	-1.1%	$4.3B	3.2%	$412.69	0
2023-Q4	Decreased	10.4M	-1.1%	$3.9B	3.1%	$368.18	0
2023-Q3	Decreased	10.5M	-1.0%	$3.3B	2.8%	$308.52	0
2023-Q2	Decreased	10.6M	-7.6%	$3.6B	3.0%	$332.04	0
2023-Q1	Decreased	11.4M	-13.9%	$3.3B	2.9%	$280.49	0
2022-Q4	Decreased	13.3M	-8.4%	$3.2B	2.9%	$232.74	0
2022-Q3	Decreased	14.5M	-2.5%	$3.4B	3.3%	$225.39	0
2022-Q2	Decreased	14.9M	-4.9%	$3.8B	3.4%	$248.02	0
2022-Q1	Decreased	15.7M	-9.3%	$4.8B	3.6%	$297.05	0
2021-Q4	Decreased	17.3M	-5.4%	$5.8B	4.0%	$323.37	0
2021-Q3	Decreased	18.3M	-2.3%	$5.1B	3.6%	$270.57	0
2021-Q2	Decreased	18.7M	-3.8%	$5.1B	3.4%	$259.49	0
2021-Q1	Decreased	19.4M	-3.8%	$4.6B	3.2%	$225.32	0
2020-Q4	Decreased	20.2M	-7.8%	$4.5B	3.3%	$212.08	0
2020-Q3	Decreased	21.9M	-8.5%	$4.6B	3.8%	$200.02	0
2020-Q2	Decreased	23.9M	-7.0%	$4.9B	4.2%	$193.07	0
2020-Q1	Decreased	25.7M	-17.0%	$4.1B	4.0%	$149.21	0
2019-Q4	Decreased	31M	-3.7%	$4.9B	3.5%	$148.79	0
2019-Q3	Decreased	32.2M	-8.2%	$4.5B	3.6%	$130.73	0
2019-Q2	Decreased	35.1M	-7.4%	$4.7B	3.5%	$125.54	0
2019-Q1	Decreased	37.9M	-2.0%	$4.5B	3.3%	$110.12	0
2018-Q4	First report	38.7M	-	$3.9B	3.2%	$94.43	0