WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

CIK

1644956

City

CHICAGO

State / Country

Stock

IDA — Idacorp Inc

Top Portfolio Positions

404 positions · $30,335,994,855 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
TSM	Taiwan Semiconductor Manufacturing Co Ltd Technology	5,518,260	$1,864,895,967	6.15%
NVDA	Nvidia Corp Technology	8,941,756	$1,559,442,246	5.14%
AAPL	Apple Inc. Technology	4,812,433	$1,221,347,371	4.03%
MSFT	Microsoft Corp Technology	2,896,782	$1,072,301,792	3.53%
GOOGL	Alphabet Inc. Communication Services	2,504,605	$720,224,213	2.37%
AVGO	Broadcom Inc. Technology	2,201,558	$681,404,216	2.25%
AMZN	Amazon Com Inc Consumer Cyclical	3,163,629	$658,889,011	2.17%
META	Meta Platforms, Inc. Communication Services	1,013,122	$579,637,489	1.91%
MA	Mastercard Inc Financial Services	1,060,651	$529,964,878	1.75%
AZN	Astrazeneca PLC Healthcare	1,942,155	$383,031,809	1.26%

25 quarters · across all stocks

25 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$31,808,966	222,487	-61.4%	Shares	Sole	2026-05-08
2025-12-31	$72,908,305	576,077	-7.5%	Shares	Sole	2026-02-09
2025-09-30	$82,336,982	623,057	-2.2%	Shares	Sole	2025-11-12
2025-06-30	$73,554,349	637,110	+33.7%	Shares	Sole	2025-07-29
2025-03-31	$55,366,394	476,393	+25.3%	Shares	Sole	2025-05-09
2024-12-31	$41,533,831	380,068	-0.2%	Shares	Sole	2025-02-10
2024-09-30	$39,242,754	380,665	-0.6%	Shares	Sole	2024-11-08
2024-06-30	$35,669,463	382,925	-0.5%	Shares	Sole	2024-08-08
2024-03-31	$35,755,683	384,925	-8.8%	Shares	Sole	2024-05-08
2023-12-31	$41,518,766	422,282	-9.5%	Shares	Sole	2024-02-09
2023-09-30	$43,702,802	466,661	+10.8%	Shares	Sole	2023-11-09
2023-06-30	$43,202,397	421,076	+16.8%	Shares	Sole	2023-08-11
2023-03-31	$39,038,557	360,367	+15.2%	Shares	Sole	2023-05-12
2022-12-31	$33,724,371	312,697	+6.8%	Shares	Sole	2023-02-09
2022-09-30	$28,995,771	292,857	+23.4%	Shares	Sole	2022-11-09
2022-06-30	$25,133,544	237,288	+7.4%	Shares	Sole	2022-08-10
2022-03-31	$25,483,946	220,908	+15.7%	Shares	Sole	2022-05-11
2021-12-31	$21,638,357	190,966	-6.1%	Shares	Sole	2022-02-14
2021-09-30	$21,016,430	203,293	-2.8%	Shares	Sole	2021-11-10
2021-06-30	$20,384,422	209,071	-20.8%	Shares	Sole	2021-08-12
2021-03-31	$26,399,077	264,070	-8.3%	Shares	Sole	2021-05-13
2020-12-31	$27,647,133	287,901	+18.9%	Shares	Sole	2021-02-09
2020-09-30	$19,342,351	242,082	+5.9%	Shares	Sole	2020-11-06
2020-06-30	$19,973,568	228,609	-3.5%	Shares	Sole	2020-08-12
2020-03-31	$20,787,969	236,792	—	Shares	Sole	2020-05-08
No 13F history on record for this holder in this stock.