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MKS Inc. MKSI

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213.47 USD +1.88 (+0.89%)

At closeNov 10, 2026, 4:00 PM EST

213.47 0.00 0.00%

After hours · Nov 10, 4:00 PM ET

205.00 Day range 218.06
134.74 52-week range 447.62
YTD
+33.59%
1 year
+34.34%

Ownership

Held by insiders 0.48%
Held by institutions 109.52%
Float held by institutions 110.06%
Institutions 979

Top institutional holders

Top institutional holders
Holder% heldSharesValueReported
Blackrock Inc.10.25%6,930,0301.48BJun 29, 2026
Invesco Ltd.6.89%4,661,664995.13MJun 29, 2026
Vanguard Portfolio Management LLC5.48%3,707,327791.40MJun 29, 2026
JPMORGAN CHASE & CO4.99%3,373,844720.21MJun 29, 2026
Vanguard Capital Management LLC4.51%3,049,560650.99MJun 29, 2026
State Street Corporation3.16%2,134,663455.69MJun 29, 2026

Top mutual fund holders

Top mutual fund holders
Holder% heldSharesValueReported
SmallCap World Fund Inc3.61%2,437,899520.42MSep 29, 2026
iShares Trust-iShares Core S&P Mid-Cap ETF3.56%2,408,565514.16MSep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund3.17%2,143,925457.66MJun 29, 2026
VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund2.29%1,548,875330.64MJun 29, 2026
AIM Sector Funds (Invesco Sector Funds)-Invesco Small Cap Value Fund1.70%1,146,556244.76MJul 30, 2026
AIM Sector Fd.s -INVESCO VALUE OPPORTUNITIES Fd.1.31%882,467188.38MJul 30, 2026
MKSI insiders
InsiderRelationLatest transactionDateShares held
BATRA RAJEEVDirectorStock Award(Grant)May 10, 202616,227
BURKE KATHLEEN FLAHERTYGeneral CounselSaleMay 10, 202649,439
COLELLA GERARD GDirectorSaleMay 26, 20260
DONAHUE JOSEPH BDirectorSaleMay 26, 202610,032
HENRY DAVID PHILIPOfficerSaleMay 31, 202610,421
LEE JOHN TSENG-CHUNGChief Executive OfficerConversion of Exercise of derivative securityOct 29, 2026134,776