GREAT LAKES ADVISORS, LLC

Position in MKSI — Mks Inc

CIK 1078013 CHICAGO, IL

Position in MKSI

as of Jun 30, 2026 · filed Aug 10, 2026 Compact

Position Value

$3,721,641

+$849,477 QoQ

Shares Held

8,367

-33.1% QoQ

Ownership

0.012%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

#280

of 773 holders

Holding Since

Mar 2020

15 quarters on record

Voting authority Sole 83% Shared 0% None 17%

Technology · as of Jun 30, 2026

GREAT LAKES ADVISORS, LLC holds $16,861,534 across 3 Scientific & Technical Instruments names. MKSI ranks #2 (22.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	COHR	Coherent Corp.	26,778	$10,563,117
2	MKSI	Mks Inc This page	8,367	$3,721,641
3	ITRI	Itron, Inc.	29,779	$2,576,776

15 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$3,721,641	8,367	-33.1%	Shares	Sole	2026-08-10
2026-03-31	$2,872,164	12,498	-0.3%	Shares	Sole	2026-05-12
2025-12-31	$2,003,572	12,538	-29.6%	Shares	Sole	2026-02-12
2025-09-30	$2,203,724	17,805	-50.1%	Shares	Sole	2025-11-03
2025-06-30	$3,543,376	35,662	-15.4%	Shares	Sole	2025-08-11
2025-03-31	$3,378,803	42,156	-76.2%	Shares	Sole	2025-05-16
2024-12-31	$18,528,285	177,491	+22.5%	Shares	Sole	2025-02-10
2024-09-30	$15,751,426	144,894	-3.4%	Shares	Sole	2024-11-04
2024-06-30	$19,590,917	150,030	+98.9%	Shares	Sole	2024-08-06
2024-03-31	$10,033,520	75,440	+52.9%	Shares	Sole	2024-05-08
2023-12-31	$5,075,400	49,338	+333.9%	Shares	Sole	2024-02-08
2020-12-31	$1,710,766	11,371	-42.0%	Shares	Sole	2021-02-09
2020-09-30	$2,140,034	19,592	-86.7%	Shares	Sole	2020-11-04
2020-06-30	$16,711,506	147,576	+1061.2%	Shares	Sole	2020-08-07
2020-03-31	$1,035,148	12,709	—	Shares	Sole	2020-05-08
No filing history on record for this holder in this stock.