PRIMECAP MANAGEMENT CO/CA/

Est. AUM

$127.01B

13F long equity, this entity only

Positions

320

Period

Mar 2026 (Q1)

SEC EDGAR

View filings ↗

Mar 2026 (Q1)

#	Issuer	Class	Value	Shares	% Portfolio	Discretion
1	ELI LILLY & CO	COM	$8.48B	9223432	6.68%	SOLE
2	MICRON TECHNOLOGY INC	COM	$7.39B	21874204	5.82%	SOLE
3	ALPHABET INC	CAP STK CL A	$4.31B	14987459	3.39%	SOLE
4	ASTRAZENECA PLC	ORD	$3.59B	18213708	2.83%	SOLE
5	KLA CORP	COM NEW	$3.59B	2437647	2.83%	SOLE
6	INTEL CORP	COM	$3.34B	75761968	2.63%	SOLE
7	AMGEN INC	COM	$3.12B	8874129	2.46%	SOLE
8	NVIDIA CORPORATION	COM	$3.00B	17188230	2.36%	SOLE
9	FEDEX CORP	COM	$2.96B	8303010	2.33%	SOLE
10	BIOGEN INC	COM	$2.71B	14757607	2.13%	SOLE
11	MICROSOFT CORP	COM	$2.69B	7264560	2.12%	SOLE
12	AMAZON COM INC	COM	$2.52B	12107038	1.99%	SOLE
13	ALIBABA GROUP HLDG LTD	SPONSORED ADS	$2.35B	18722316	1.85%	SOLE
14	TESLA INC	COM	$2.28B	6125520	1.79%	SOLE
15	SCHWAB CHARLES CORP	COM	$2.20B	23441915	1.73%	SOLE
16	BOSTON SCIENTIFIC CORP	COM	$2.04B	32529774	1.61%	SOLE
17	ROSS STORES INC	COM	$1.99B	9170030	1.56%	SOLE
18	TEXAS INSTRS INC	COM	$1.87B	9654766	1.48%	SOLE
19	SOUTHWEST AIRLS CO	COM	$1.77B	47069495	1.39%	SOLE
20	FLEXTRONICS INTL LTD	ORD	$1.66B	25383448	1.31%	SOLE
21	ALPHABET INC	CAP STK CL C	$1.64B	5720910	1.29%	SOLE
22	TJX COS INC NEW	COM	$1.53B	9588920	1.21%	SOLE
23	CONOCOPHILLIPS	COM	$1.53B	11579265	1.20%	SOLE
24	BRISTOL-MYERS SQUIBB CO	COM	$1.52B	24985149	1.19%	SOLE
25	BEONE MEDICINES LTD	SPONSORED ADS	$1.48B	4975181	1.16%	SOLE
26	UNITED AIRLS HLDGS INC	COM	$1.45B	15750610	1.14%	SOLE
27	GSK PLC	SPONSORED ADR	$1.39B	25204538	1.10%	SOLE
28	RAYMOND JAMES FINL INC	COM	$1.35B	9347172	1.07%	SOLE
29	BAIDU INC	SPON ADR REP A	$1.23B	11056800	0.97%	SOLE
30	VISA INC	COM CL A	$1.23B	4060201	0.97%	SOLE
31	SONY GROUP CORP	SPONSORED ADR	$1.21B	58530830	0.95%	SOLE
32	DELTA AIR LINES INC	COM NEW	$1.17B	17548567	0.92%	SOLE
33	NOVARTIS AG	SPONSORED ADR	$1.16B	7567354	0.91%	SOLE
34	ADOBE INC	COM	$1.15B	4730846	0.91%	SOLE
35	ELANCO ANIMAL HEALTH INC	COM	$1.10B	45840956	0.86%	SOLE
36	JPMORGAN CHASE & CO	COM	$1.00B	3403527	0.79%	SOLE
37	ANALOG DEVICES INC	COM	$997.7M	3136089	0.79%	SOLE
38	THERMO FISHER SCIENTIFIC INC	COM	$974.5M	1982531	0.77%	SOLE
39	NETAPP INC	COM	$927.4M	9057455	0.73%	SOLE
40	NORTHERN TR CORP	COM	$914.0M	6549037	0.72%	SOLE
41	JABIL INC	COM	$871.6M	3281169	0.69%	SOLE
42	ORACLE CORP	COM	$834.7M	5674130	0.66%	SOLE
43	NEXTPOWER INC	CLASS A COM	$815.0M	6760847	0.64%	SOLE
44	BIOMARIN PHARMACEUTICAL INC	COM	$801.8M	14194005	0.63%	SOLE
45	AECOM	COM	$733.4M	8647073	0.58%	SOLE
46	ROYAL CARIBBEAN GROUP	COM	$645.8M	2346921	0.51%	SOLE
47	IDEX CORP	COM	$626.1M	3302937	0.49%	SOLE
48	CATERPILLAR INC	COM	$618.0M	872260	0.49%	SOLE
49	WELLS FARGO & CO	COM	$614.8M	7723102	0.48%	SOLE
50	DISNEY WALT CO	COM	$600.9M	6235127	0.47%	SOLE

1–50 of 320

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Values in USD (reported in $thousands on 13F). Source: SEC EDGAR.