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MASSACHUSETTS FINANCIAL SERVICES CO /MA/

Position in MKSI — Mks Inc

CIK 912938 Boston, MA

Position in MKSI

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$22,173,278
-$30,986,427 QoQ
Shares Held
49,850
-85.8% QoQ
Ownership
0.074%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#138
of 773 holders
Holding Since
Jun 2020
7 quarters on record
Voting authority Sole 76% Shared 19% None 5%

Common Shares in MKSI Over Time

Shares Held

Position Value (USD)

Position in Scientific & Technical Instruments

Technology · as of Jun 30, 2026

MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $1,109,494,453 across 6 Scientific & Technical Instruments names. MKSI ranks #5 (2.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 MKSI
Mks Inc
This page
49,850 $22,173,278

All Filings in MKSI

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7 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $22,173,278 49,850
2021-09-30 $53,159,705 352,261
2021-06-30 $155,771,555 875,367
2021-03-31 $164,641,091 887,936
2020-12-31 $130,484,381 867,294
2020-09-30 $73,073,776 668,990
2020-06-30 $35,428,605 312,863