PRIMECAP MANAGEMENT CO/CA/

CIK

763212

City

PASADENA

State / Country

CA

Stock

BA — Boeing Co

Top Portfolio Positions

318 positions · $125,609,644,506 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio	Open
LLY	ELI LILLY & Co Healthcare	9,223,432	$8,483,436,050	6.75%
MU	Micron Technology Inc Technology	21,874,204	$7,389,981,079	5.88%
GOOGL	Alphabet Inc. Communication Services	14,987,459	$4,309,793,710	3.43%
AZN	Astrazeneca PLC Healthcare	18,213,708	$3,592,107,491	2.86%
KLAC	Kla Corp Technology	2,437,647	$3,589,215,819	2.86%
INTC	Intel Corp Technology	75,761,968	$3,343,375,647	2.66%
AMGN	Amgen Inc Healthcare	8,874,129	$3,122,362,288	2.49%
NVDA	Nvidia Corp Technology	17,188,230	$2,997,627,312	2.39%
FDX	Fedex Corp Industrials	8,303,010	$2,957,366,101	2.35%
BIIB	Biogen Inc. Healthcare	14,757,607	$2,705,512,091	2.15%

Portfolio Trend

25 quarters · across all stocks

Holdings in BA

Compact Export CSV

Shares Held

Position Value (USD)

13 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$158,409,967	795,910	+8646.3%	Shares	Sole	2026-05-11
2025-12-31	$1,975,792	9,100	-97.7%	Shares	Sole	2026-02-11
2025-09-30	$84,544,927	391,720	+4.1%	Shares	Sole	2025-11-12
2025-06-30	$78,871,282	376,420	0.0%	Shares	Sole	2025-08-11
2025-03-31	$64,198,431	376,420	+17.9%	Shares	Sole	2025-05-09
2024-12-31	$56,516,100	319,300	0.0%	Shares	Sole	2025-02-10
2024-09-30	$48,546,372	319,300	0.0%	Shares	Sole	2024-11-08
2024-06-30	$58,115,793	319,300	0.0%	Shares	Sole	2024-08-09
2024-03-31	$61,621,707	319,300	+6.7%	Shares	Sole	2024-05-14
2023-12-31	$78,015,538	299,300	+253.2%	Shares	Sole	2024-02-09
2020-09-30	$14,005,785	84,750	0.0%	Shares	Sole	2020-11-13
2020-06-30	$15,534,675	84,750	-1.3%	Shares	Sole	2020-08-13
2020-03-31	$12,811,126	85,900	—	Shares	Sole	2020-05-14
No 13F history on record for this holder in this stock.