TickerFacts.

MKS Inc (MKSI): Shares Outstanding

Annual figures by period end, from SEC filings.

67.20M
As of 2025-12-31
67.60M
As of 2026-06-30
+0.3%
3-year compound annual growth
+4.0%
5-year compound annual growth
+2.4%
10-year compound annual growth
67.40M2009-12-31: 49.51M2010-12-31: 50.65M2011-12-31: 52.49M2012-12-31: 52.75M2013-12-31: 53.36M2014-12-31: 53.15M2015-12-31: 53.20M2016-12-31: 53.67M2017-12-31: 54.36M2018-12-31: 54.04M2019-12-31: 54.60M2020-12-31: 55.20M2021-12-31: 55.50M2022-12-31: 66.60M2023-12-31: 66.90M2024-12-31: 67.40M2025-12-31: 67.20M67.20M
2009-12-31 Shares Outstanding (shares) 2025-12-31
Period endedShares OutstandingChange YoYSource filing
2025-12-3167.20M-0.3%2026-02-24, Balance as of period end
2024-12-3167.40M+0.7%2026-02-24, Balance as of period end
2023-12-3166.90M+0.5%2025-02-25, Balance as of period end
2022-12-3166.60M+20.0%2024-02-27, Balance as of period end
2021-12-3155.50M+0.5%2023-03-14, Balance as of period end
2020-12-3155.20M+1.1%2022-02-28, Balance as of period end
2019-12-3154.60M+1.0%2021-02-23, Balance as of period end
2018-12-3154.04M-0.6%2020-02-28, Balance as of period end
2017-12-3154.36M+1.3%2019-02-26, Balance as of period end
2016-12-3153.67M+0.9%2018-02-28, Balance as of period end
2015-12-3153.20M+0.1%2017-03-01, Balance as of period end
2014-12-3153.15M-0.4%2016-02-26, Balance as of period end
2013-12-3153.36M+1.2%2015-02-25, Balance as of period end
2012-12-3152.75M+0.5%2014-02-26, Balance as of period end
2011-12-3152.49M+3.6%2012-02-24, Balance as of period end
2010-12-3150.65M+2.3%2012-02-24, Balance as of period end
2009-12-3149.51Mn/a2011-02-25, Balance as of period end