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MKSI

Ticker case file

MKSI

MKS INC.

13FSmart MoneyPublic Filings
$335.15+1.14%NMS

Tracked funds

14Unique WSM-tracked managers; table rows may include common shares and options

Politicians active

1Recent transactions disclosed via House Clerk / Senate eFD

13F notional

$2.1B2026-03-31

Top conviction

5.3%max % across any fund's portfolio
Source layer

This page is the WSM tracked universe, not market-wide ownership. 13F rows are quarterly snapshots, about 45 days delayed; PTR rows are event-based public disclosures.

13F filing

Funds holding this ticker

18
Manager13F valueConvictionClassOptionReportedSEC filing
FMR LLCOther$444.4M0.02%SH2026-03-31SEC filing
Point72 Asset Management, L.P.Other$370.1M0.47%SH2026-03-31SEC filing
Whale Rock Capital Management LLCOther$300.3M3.9%SH2026-03-31SEC filing
Capital World InvestorsOther$293.5M0.04%SH2026-03-31SEC filing
Citadel Advisors LLCOther$217.6M0.04%SH2026-03-31SEC filing
Millennium Management LLCOther$205.5M0.09%SH2026-03-31SEC filing
Balyasny Asset Management L.P.Other$93.6M0.12%SH2026-03-31SEC filing
Two Sigma Investments, LPOther$64M0.05%SH2026-03-31SEC filing
Loomis, Sayles & Company, L.P.Other$29.2M0.04%SH2026-03-31SEC filing
Light Street Capital Management, LLCOther$28.1M5.3%SH2026-03-31SEC filing
Renaissance Technologies LLCOther$23.8M0.04%SH2026-03-31SEC filing
Citadel Advisors LLCHedge$12.8M0.00%SHPUT2026-03-31SEC filing
Loomis, Sayles & Company, L.P.Other$10.4M0.01%SH2026-03-31SEC filing
Bridgewater Associates, LPOther$8.8M0.04%SH2026-03-31SEC filing
Citadel Advisors LLCOther$7.1M0.00%SHCALL2026-03-31SEC filing
WCM Investment Management, LLCOther$2.6M0.01%SH2026-03-31SEC filing
Maverick Capital LtdOther$1.7M0.02%SH2026-03-31SEC filing
Point72 Asset Management, L.P.Hedge$252.8K0.00%SHPUT2026-03-31SEC filing

Politician

Politician PTR activity

4
Public datePoliticianActionOwnerAmount rangeFiling
2025-11-21Lisa Mcclain HouseholdR · MI-09SaleSelf$1K–$15K20033446
2025-11-21Lisa Mcclain HouseholdR · MI-09PurchaseSelf$1K–$15K20033446
2025-11-21Lisa Mcclain HouseholdR · MI-09SaleSelf$1K–$15K20033446
2025-09-12Lisa Mcclain HouseholdR · MI-09PurchaseSelf$1K–$15K20030932

Combined activity

13F filings + PTR transactions, newest first