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Vanguard Personalized Indexing Management, LLC

Position in MKSI — Mks Inc

CIK 1767306 OAKLAND, CA

Position in MKSI

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$8,509,024
+$4,145,392 QoQ
Shares Held
19,130
+0.7% QoQ
Ownership
0.028%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
#220
of 776 holders
Holding Since
Sep 2021
19 quarters on record
Voting authority Sole 58% Shared 0% None 42%

Common Shares in MKSI Over Time

Shares Held

Position Value (USD)

Position in Scientific & Technical Instruments

Technology · as of Jun 30, 2026

Vanguard Personalized Indexing Management, LLC holds $47,046,674 across 16 Scientific & Technical Instruments names. MKSI ranks #2 (18.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 MKSI
Mks Inc
This page
19,130 $8,509,024

All Filings in MKSI

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19 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $8,509,024 19,130
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