Mks Inc MKSI US Equity · Short interest

Manufacturing · CIK 1049502 · FY ends Dec 31

$249.65

-1.73 (-0.69%)

USD · as of 2026-09-03 · marketstack

Mkt cap · as of 2026-09-01 $16.7BP/E (FY2025) 56.4×

Mks Inc (Nasdaq: MKSI), an SEC filer in Industrial Instruments For Measurement, Display, and Control, closed at $249.65, -0.7%, on 2026-09-03, with a market cap of $16.7B as of 2026-09-01, a fiscal-year P/E of 56.4 (FY2025), a return on equity of 11.7%, a net margin of 7.5% and 3-year sales growth of 3.5%. Institutional ownership, earnings history and filed financials are on the tabs below.

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Short interest· FINRA consolidated · settlement 2026-08-14

6 settlement cycles

Shares short

5.5M

% of shares out

8.1%

Days to cover

3.5

Δ vs 2026-07-31

-4.6%

bars = shares short · line = days to cover (own scale)

Settlement	Shares short	Δ vs prior	Avg daily volume	Days to cover
2026-08-14	5,486,566	-4.6%	1,566,731	3.5
2026-07-31	5,751,932	+11.5%	1,429,558	4.0
2026-07-15	5,158,599	+3.9%	1,312,542	3.9
2026-06-30	4,963,667	+8.2%	1,799,055	2.8
2026-06-15	4,587,428	+3.7%	986,300	4.7
2026-05-29	4,424,884	+2.2%	1,140,671	3.9

FINRA Rule 4560 · twice monthly, published ~a week later.

most-shorted stocks →data sources →institutional holders (OWN) →

Output of a disclosed model — assumptions may be wrong. Research, not investment advice. See the Disclaimer.