WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Position in KEYS — Keysight Technologies, Inc.

CIK 1644956 CHICAGO, IL

Back to KEYS Full portfolio

Position in KEYS

as of Mar 31, 2026 · filed May 8, 2026 Compact

Position Value

$3,966,733

-$846,228 QoQ

Shares Held

14,048

-40.7% QoQ

Ownership

0.008%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2024

8 quarters on record

Voting authority Sole 90.90261958997722.ToString("F0")% Shared 0.ToString("F0")% None 9.09738041002278.ToString("F0")%

Common Shares in KEYS Over Time

Shares Held

Position Value (USD)

Position in Scientific & Technical Instruments

Technology · as of Mar 31, 2026

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $305,410,220 across 4 Scientific & Technical Instruments names. KEYS ranks #4 (1.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	COHR	Coherent Corp.	668,137	$159,156,914
2	NOVT	Novanta Inc	783,084	$92,490,051
3	CGNX	Cognex Corp	1,016,463	$49,796,522
4	KEYS	Keysight Technologies, Inc. This page	14,048	$3,966,733

All Filings in KEYS

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8 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$3,966,733	14,048	-40.7%	Shares	Sole	2026-05-08
2025-12-31	$4,812,961	23,687	+94.8%	Shares	Sole	2026-02-09
2025-09-30	$2,126,502	12,157	+1.1%	Shares	Sole	2025-11-12
2025-06-30	$1,970,908	12,028	-30.7%	Shares	Sole	2025-07-29
2025-03-31	$2,601,055	17,367	+131.2%	Shares	Sole	2025-05-09
2024-12-31	$1,206,813	7,513	-0.4%	Shares	Sole	2025-02-10
2024-09-30	$1,198,332	7,540	+28.9%	Shares	Sole	2024-11-08
2024-06-30	$800,124	5,851	—	Shares	Sole	2024-08-08
No filing history on record for this holder in this stock.