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Equibles

Madison Asset Management, LLC

Position in MKSI — Mks Inc

CIK 1299351 MADISON, WI
Back to MKSI Full portfolio

Position in MKSI

as of Jun 30, 2026 · filed Aug 10, 2026
Position Value
$140,865,491
+$63,112,495 QoQ
Shares Held
316,694
-6.4% QoQ
Ownership
0.468%
of shares outstanding
% of Portfolio
1.86%
of 13F equity value
Holder Rank
#40
of 775 holders
Holding Since
Mar 2022
18 quarters on record
Voting authority Sole 95% Shared 0% None 5%

Common Shares in MKSI Over Time

Shares Held

Position Value (USD)

Position in Scientific & Technical Instruments

Technology · as of Jun 30, 2026

Madison Asset Management, LLC holds $403,696,242 across 4 Scientific & Technical Instruments names. MKSI ranks #1 (34.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 MKSI
Mks Inc
This page 		316,694 $140,865,491
2 KEYS
Keysight Technologies, Inc.
 398,124 $139,371,268
3 TDY
Teledyne Technologies Inc
 183,824 $122,592,225
4 GRMN
Garmin Ltd
 3,651 $867,258

All Filings in MKSI

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18 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $140,865,491 316,694
2026-03-31 $77,752,996 338,336
2025-12-31 $147,247,710 921,450
2025-09-30 $120,810,783 976,091
2025-06-30 $145,431,542 1,463,683
2025-03-31 $114,465,661 1,428,143
2024-12-31 $97,493,579 933,936
2024-09-30 $87,114,541 801,348
2024-06-30 $97,114,174 743,714
2024-03-31 $89,776,729 675,013
2023-12-31 $59,524,593 578,639
2023-09-30 $49,723,287 574,570
2023-06-30 $61,764,664 571,366
2023-03-31 $50,325,614 567,881
2022-12-31 $46,136,078 544,507
2022-09-30 $44,706,091 540,974
2022-06-30 $37,605,376 366,417
2022-03-31 $38,944,500 259,630