STATE OF WISCONSIN INVESTMENT BOARD

Position in ATRO — Astronics Corp

CIK 854157 MADISON, WI

Position in ATRO

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

Position Value

$3,443,801

+$328,039 QoQ

Shares Held

51,608

-10.2% QoQ

Ownership

0.144%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

24 quarters on record

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

Industrials · as of Mar 31, 2026

STATE OF WISCONSIN INVESTMENT BOARD holds $887,792,771 across 42 Aerospace & Defense names. ATRO ranks #29 (0.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	GE	General Electric Co	589,715	$167,343,425
2	RTX	RTX Corp	727,412	$140,317,774
3	BA	Boeing Co	419,360	$83,465,220
4	LMT	Lockheed Martin Corp	111,439	$67,352,617
5	HWM	Howmet Aerospace Inc.	225,338	$51,931,395
6	NOC	Northrop Grumman Corp /De/	72,575	$49,513,568
7	GD	General Dynamics Corp	123,295	$42,317,309
8	LHX	L3harris Technologies, Inc. /De/	108,760	$37,538,514

24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$3,443,801	51,608	-10.2%	Shares	Sole	2026-05-15
2025-12-31	$3,115,762	57,444	+7.3%	Shares	Sole	2026-02-17
2025-09-30	$2,441,092	53,521	+74.0%	Shares	Sole	2025-11-14
2025-06-30	$1,029,744	30,757	+20.2%	Shares	Sole	2025-08-14
2025-03-31	$618,341	25,583	-27.3%	Shares	Sole	2025-05-15
2024-09-30	$685,929	35,212	-3.1%	Shares	Sole	2024-11-14
2024-06-30	$728,110	36,351	+34.1%	Shares	Sole	2024-08-14
2024-03-31	$515,945	27,098	+61.3%	Shares	Sole	2024-05-14
2023-12-31	$292,656	16,800	-45.2%	Shares	Sole	2024-02-12
2023-09-30	$486,077	30,648	+25.3%	Shares	Sole	2023-11-14
2023-06-30	$485,934	24,468	-31.5%	Shares	Sole	2023-08-14
2023-03-31	$476,952	35,700	-76.0%	Shares	Sole	2023-05-15
2022-12-31	$1,531,610	148,700	+15.2%	Shares	Sole	2023-02-14
2022-09-30	$1,014,969	129,131	+10.6%	Shares	Sole	2022-11-14
2022-06-30	$1,187,856	116,800	-35.4%	Shares	Sole	2022-08-15
2022-03-31	$2,337,097	180,750	0.0%	Shares	Sole	2022-05-13
2021-12-31	$2,169,000	180,750	0.0%	Shares	Sole	2022-02-11
2021-09-30	$2,541,345	180,750	0.0%	Shares	Sole	2021-11-12
2021-06-30	$3,164,932	180,750	0.0%	Shares	Sole	2021-08-12
2021-03-31	$3,260,730	180,750	0.0%	Shares	Sole	2021-05-17
2020-12-31	$2,391,322	180,750	+34.1%	Shares	Sole	2021-02-03
2020-09-30	$1,040,270	134,750	-0.2%	Shares	Sole	2020-11-16
2020-06-30	$1,426,128	135,050	-31.0%	Shares	Sole	2020-08-12
2020-03-31	$1,796,985	195,750	—	Shares	Sole	2020-05-06
No filing history on record for this holder in this stock.