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FMR LLC

Position in MKSI — Mks Inc

CIK 315066 BOSTON, MA

Position in MKSI

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$666,976,708
+$222,560,250 QoQ
Shares Held
1,499,498
-22.5% QoQ
Ownership
2.22%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#12
of 773 holders
Holding Since
Mar 2020
24 quarters on record
Voting authority Sole 99% Shared 0% None 1%

Common Shares in MKSI Over Time

Shares Held

Position Value (USD)

Position in Scientific & Technical Instruments

Technology · as of Jun 30, 2026

FMR LLC holds $7,516,351,421 across 22 Scientific & Technical Instruments names. MKSI ranks #4 (8.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 MKSI
Mks Inc
This page
1,499,498 $666,976,708

All Filings in MKSI

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24 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $666,976,708 1,499,498
2026-03-31 $444,416,458 1,933,843
2025-12-31 $511,093,931 3,198,335
2025-09-30 $426,172,782 3,443,264
2025-06-30 $380,486,797 3,829,376
2025-03-31 $324,171,082 4,044,555
2024-12-31 $440,658,373 4,221,270
2024-09-30 $468,637,720 4,310,898
2024-06-30 $579,830,825 4,440,426
2024-03-31 $533,254,988 4,009,436
2023-12-31 $416,745,397 4,051,185
2023-09-30 $299,828,213 3,464,620
2023-06-30 $337,950,110 3,126,273
2023-03-31 $245,148,087 2,766,284
2022-12-31 $132,398,080 1,562,588
2022-09-30 $99,214,854 1,200,567
2022-06-30 $108,815,507 1,060,270
2022-03-31 $128,641,500 857,610
2021-06-30 $131,688,337 740,030
2021-03-31 $174,011,292 938,471
2020-12-31 $143,182,962 951,698
2020-09-30 $92,188,698 843,987
2020-06-30 $100,210,264 884,937
2020-03-31 $63,268,649 776,779