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MassMutual Private Wealth & Trust, FSB

Position in MKSI — Mks Inc

CIK 1103653 Windsor, CT

Position in MKSI

as of Jun 30, 2026 · filed Jul 2, 2026
Position Value
$533,315
+$282,593 QoQ
Shares Held
1,199
+9.9% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#130
of 290 holders
Holding Since
Mar 2021
21 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MKSI Over Time

Shares Held

Position Value (USD)

Position in Scientific & Technical Instruments

Technology · as of Jun 30, 2026

MassMutual Private Wealth & Trust, FSB holds $6,663,862 across 17 Scientific & Technical Instruments names. MKSI ranks #3 (8.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 MKSI
Mks Inc
This page
1,199 $533,315

All Filings in MKSI

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21 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $533,315 1,199
2026-03-31 $250,722 1,091
2025-12-31 $143,500 898
2025-09-30 $103,966 840
2025-06-30 $83,164 837
2025-03-31 $18,354 229
2024-12-31 $21,504 206
2024-09-30 $31,308 288
2024-06-30 $12,666 97
2024-03-31 $7,714 58
2023-12-31 $5,554 54
2023-09-30 $18,692 216
2023-06-30 $16,106 149
2023-03-31 $4,165 47
2022-12-31 $4 43
2022-09-30 $5,288 64
2022-06-30 $718 7
2022-03-31 $750 5
2021-09-30 $1,509 10
2021-06-30 $2,847 16
2021-03-31 $7,602 41