Does Primecap own IEX stock?

Yes. As of its Q2 2026 13F, Primecap holds 3,300,072 shares of IEX (Idex), worth $749M.

How many shares of IEX does Primecap own?

As of its Q2 2026 13F, Primecap holds 3,300,072 shares of IEX (Idex).

As of its Q2 2026 13F, Primecap's IEX position is worth $749M.

In Q2 2026, Primecap reduced its IEX position by 2,865 shares (-0.1%).

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

31 quarters

Position history for PRIMECAP Management Co.'s holdings in IDEX Corporation

Current Value

$749M

Current Shares

3.3M

Total Value Change

+$673.8M

Total Shares Change

+2.7M

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	3.3M	-0.1%	$749M	0.4%	$225.49	0
2026-Q1	Increased	3.3M	+2.4%	$626.1M	0.5%	$187.66	39
2025-Q4	Increased	3.2M	+86.5%	$574.2M	0.4%	$175.53	59
2025-Q3	Increased	1.7M	+250.7%	$281.7M	0.2%	$159.87	60
2025-Q2	Increased	493,451	+80.1%	$86.6M	0.1%	$171.79	46
2025-Q1	Decreased	273,950	-3.3%	$49.6M	0.0%	$176.41	0
2024-Q4	Decreased	283,270	-3.8%	$59.3M	0.0%	$203.37	0
2024-Q3	Decreased	294,495	-3.0%	$63.2M	0.0%	$207.75	0
2024-Q2	Decreased	303,775	-5.9%	$61.1M	0.0%	$194.20	0
2024-Q1	Decreased	322,910	-0.5%	$78.8M	0.1%	$234.81	0
2023-Q4	Decreased	324,380	-2.6%	$70.4M	0.1%	$208.28	0
2023-Q3	Decreased	333,170	-1.1%	$69.3M	0.1%	$198.95	0
2023-Q2	Decreased	336,825	-3.6%	$72.5M	0.1%	$205.26	0
2023-Q1	Decreased	349,495	-3.9%	$80.7M	0.1%	$219.62	0
2022-Q4	Decreased	363,715	-4.4%	$83M	0.1%	$216.50	0
2022-Q3	Decreased	380,315	-0.9%	$76M	0.1%	$188.93	0
2022-Q2	Decreased	383,875	-1.9%	$69.7M	0.1%	$171.14	0
2022-Q1	Decreased	391,105	-4.4%	$75M	0.1%	$180.07	0
2021-Q4	Decreased	409,085	-4.3%	$96.7M	0.1%	$221.42	0
2021-Q3	Decreased	427,465	-0.9%	$88.5M	0.1%	$193.39	0
2021-Q2	Decreased	431,540	-2.6%	$95M	0.1%	$205.14	0
2021-Q1	Decreased	443,000	-13.5%	$92.7M	0.1%	$194.66	0
2020-Q4	Decreased	512,390	-6.3%	$102.1M	0.1%	$184.80	0
2020-Q3	Decreased	546,640	-0.9%	$99.7M	0.1%	$168.77	0
2020-Q2	Decreased	551,510	-1.6%	$87.2M	0.1%	$145.77	0
2020-Q1	Decreased	560,230	-3.7%	$77.4M	0.1%	$126.96	0
2019-Q4	Decreased	581,745	-0.4%	$100.1M	0.1%	$157.65	0
2019-Q3	Decreased	584,300	-1.0%	$95.8M	0.1%	$149.73	0
2019-Q2	Decreased	590,300	-0.7%	$101.6M	0.1%	$156.82	0
2019-Q1	Decreased	594,550	-0.1%	$90.2M	0.1%	$137.79	0
2018-Q4	First report	595,310	-	$75.2M	0.1%	$114.29	0