Boston Partners

SEC CIK: 0001386060
Latest filing: Aug 4, 2026

SEC filings (opens in a new tab)

MKSI holding history

MKS Inc in every 13F filed by Boston Partners, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

MKSI overview All 13F holders of MKSI Full Q2 2026 holdings

Shares (Q2 2026): 47,421
Value: $21.1M
% of portfolio: <0.1%
Quarters held: 2; Since Q1 2026

Holdings of MKSI by Boston Partners, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	47,421	$21.1M	<0.1%	+15,970+50.8%	Added	Holders
Q1 2026	31,451	$7.23M	<0.1%	+31,451	New	Holders