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Vanguard Personalized Indexing Management, LLC

Position in MKSI — Mks Inc

CIK 1767306 OAKLAND, CA

Position in MKSI

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$4,363,632
+$1,411,168 QoQ
Shares Held
18,988
+2.8% QoQ
Ownership
0.028%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2021
18 quarters on record
Voting authority Sole 59% Shared 0% None 41%

Common Shares in MKSI Over Time

Shares Held

Position Value (USD)

Position in Scientific & Technical Instruments

Technology · as of Mar 31, 2026

Vanguard Personalized Indexing Management, LLC holds $37,853,260 across 15 Scientific & Technical Instruments names. MKSI ranks #4 (11.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 MKSI
Mks Inc
This page
18,988 $4,363,632

All Filings in MKSI

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18 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $4,363,632 18,988
2025-12-31 $2,952,464 18,476
2025-09-30 $2,193,699 17,724
2025-06-30 $1,782,120 17,936
2025-03-31 $465,190 5,804
2024-12-31 $568,194 5,443
2024-09-30 $531,374 4,888
2024-06-30 $638,536 4,890
2024-03-31 $581,875 4,375
2023-12-31 $272,811 2,652
2023-09-30 $709,454 8,198
2023-06-30 $917,660 8,489
2023-03-31 $734,216 8,285
2022-12-31 $689,109 8,133
2022-09-30 $274,530 3,322
2022-06-30 $307,992 3,001
2022-03-31 $744,600 4,964
2021-09-30 $688,451 4,562