STATE OF WISCONSIN INVESTMENT BOARD

Position in APH — Amphenol Corp /De/

CIK 854157 MADISON, WI

Position in APH

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$83,273,999

-$2,235,700 QoQ

Shares Held

659,074

+4.2% QoQ

Ownership

0.054%

of shares outstanding

% of Portfolio

0.22%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Technology · as of Mar 31, 2026

STATE OF WISCONSIN INVESTMENT BOARD holds $274,930,240 across 22 Electronic Components names. APH ranks #1 (30.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	APH	Amphenol Corp /De/ This page	659,074	$83,273,999
2	GLW	Corning Inc /Ny	435,723	$59,245,256
3	TEL	TE Connectivity plc	157,539	$32,928,801
4	JBL	Jabil Inc	56,563	$15,024,829
5	FN	Fabrinet	25,525	$13,311,798
6	FLEX	Flex Ltd.	192,818	$12,621,866
7	CLS	Celestica Inc	43,600	$12,281,248
8	LFUS	Littelfuse Inc /De	33,762	$11,457,134

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$83,273,999	659,074	+4.2%	Shares	Sole	2026-05-15
2025-12-31	$85,509,699	632,749	-3.2%	Shares	Sole	2026-02-17
2025-09-30	$80,872,233	653,513	-2.8%	Shares	Sole	2025-11-14
2025-06-30	$66,384,095	672,244	-11.4%	Shares	Sole	2025-08-14
2025-03-31	$49,761,493	758,675	-6.5%	Shares	Sole	2025-05-15
2024-12-31	$56,365,689	811,601	-32.2%	Shares	Sole	2025-02-14
2024-09-30	$77,975,408	1,196,676	-19.4%	Shares	Sole	2024-11-14
2024-06-30	$100,001,670	1,484,365	+81.6%	Shares	Sole	2024-08-14
2024-03-31	$47,140,718	817,351	-5.1%	Shares	Sole	2024-05-14
2023-12-31	$42,677,695	861,045	-2.2%	Shares	Sole	2024-02-12
2023-09-30	$36,973,699	880,431	+10.8%	Shares	Sole	2023-11-14
2023-06-30	$33,740,313	794,357	-4.9%	Shares	Sole	2023-08-14
2023-03-31	$34,131,583	835,330	+21.5%	Shares	Sole	2023-05-15
2022-12-31	$26,182,642	687,750	-7.0%	Shares	Sole	2023-02-14
2022-09-30	$24,769,642	739,834	-21.1%	Shares	Sole	2022-11-14
2022-06-30	$30,200,336	938,190	-13.7%	Shares	Sole	2022-08-15
2022-03-31	$40,970,997	1,087,485	-8.7%	Shares	Sole	2022-05-13
2021-12-31	$52,083,260	1,191,019	-23.1%	Shares	Sole	2022-02-11
2021-09-30	$56,694,299	1,548,390	-0.3%	Shares	Sole	2021-11-12
2021-06-30	$53,129,463	1,553,266	+4.4%	Shares	Sole	2021-08-12
2021-03-31	$49,091,575	1,488,300	+160.0%	Shares	Sole	2021-05-17
2020-12-31	$18,712,761	572,387	-1.5%	Shares	Sole	2021-02-03
2020-09-30	$15,721,859	580,839	+22.4%	Shares	Sole	2020-11-16
2020-06-30	$11,370,874	474,726	+193.1%	Shares	Sole	2020-08-12
2020-03-31	$2,951,148	161,973	—	Shares	Sole	2020-05-06
No filing history on record for this holder in this stock.