MKS Inc. MKSI

Set alert

176.82 USD -18.13 (-9.30%)

At closeNov 5, 2026, 7:49 PM EST

179.00 +2.18 +1.23%

After hours · Nov 5, 7:49 PM ET

173.14 Day range 194.90

138.49 52-week range 444.80

Held by insiders 0.48%

Held by institutions 108.51%

Float held by institutions 109.03%

Institutions 990

Top institutional holders
Holder	% held	Shares	Value	Reported
Blackrock Inc.	10.25%	6,930,030	1.35B	Jun 29, 2026
Invesco Ltd.	6.89%	4,661,664	908.79M	Jun 29, 2026
Vanguard Portfolio Management LLC	5.48%	3,707,327	722.74M	Jun 29, 2026
JPMORGAN CHASE & CO	4.99%	3,373,844	657.73M	Jun 29, 2026
Vanguard Capital Management LLC	4.51%	3,049,560	594.51M	Jun 29, 2026
State Street Corporation	3.16%	2,134,663	416.15M	Jun 29, 2026

Top mutual fund holders
Holder	% held	Shares	Value	Reported
SmallCap World Fund Inc	3.61%	2,437,899	475.27M	Sep 29, 2026
iShares Trust-iShares Core S&P Mid-Cap ETF	3.56%	2,408,565	469.55M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	3.17%	2,143,925	417.96M	Jun 29, 2026
VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund	2.29%	1,548,875	301.95M	Jun 29, 2026
AIM Sector Funds (Invesco Sector Funds)-Invesco Small Cap Value Fund	1.70%	1,146,556	223.52M	Jul 30, 2026
AIM Sector Fd.s -INVESCO VALUE OPPORTUNITIES Fd.	1.31%	882,467	172.04M	Jul 30, 2026

MKSI insiders
Insider	Relation	Latest transaction	Date	Shares held
BATRA RAJEEV	Director	Stock Award(Grant)	May 10, 2026	16,227
BURKE KATHLEEN FLAHERTY	General Counsel	Sale	May 10, 2026	49,439
COLELLA GERARD G	Director	Sale	May 26, 2026	0
DONAHUE JOSEPH B	Director	Sale	May 26, 2026	10,032
HENRY DAVID PHILIP	Officer	Sale	May 31, 2026	10,421
LEE JOHN TSENG-CHUNG	Chief Executive Officer	Sale	Aug 13, 2026	134,776

Held by funds