Capital World Investors

Position in MKSI — Mks Inc

CIK 1422849 LOS ANGELES, CA

Position in MKSI

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$607,725,792

+$314,212,460 QoQ

Shares Held

1,366,290

+7.0% QoQ

Ownership

2.02%

of shares outstanding

% of Portfolio

0.07%

of 13F equity value

Holder Rank

#14

of 773 holders

Holding Since

Mar 2026

2 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

Capital World Investors holds $2,004,433,151 across 4 Scientific & Technical Instruments names. MKSI ranks #2 (30.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	KEYS	Keysight Technologies, Inc.	3,433,647	$1,202,016,805
2	MKSI	Mks Inc This page	1,366,290	$607,725,792
3	ESE	Esco Technologies Inc	474,911	$166,237,846
4	ITRI	Itron, Inc.	328,819	$28,452,708

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$607,725,792	1,366,290	+7.0%	Shares	Defined	2026-08-12
2026-03-31	$293,513,332	1,277,200	—	Shares	Defined	2026-05-13
No filing history on record for this holder in this stock.