Onto Innovation Inc. (ONTO)

Historical Shares Outstanding

Current Count

50M

Financial Fundamentals

ONTO • Quarterly Data • 5Y View

Share Count History

Date	Shares Out. (M)	Change (M)	Change %
2026-03-31	50.0	0.5	+0.94%
2026-01-03	49.5	0.4	+0.88%
2025-09-27	49.1	0.1	+0.18%
2025-06-28	49.0	-0.4	-0.79%
2025-03-29	49.4	-0.2	-0.45%
2024-12-28	49.6	-0.1	-0.13%
2024-09-28	49.7	0.0	+0.04%
2024-06-29	49.7	0.0	+0.07%
2024-03-30	49.6	0.1	+0.15%
2023-12-31	49.6	0.2	+0.33%
2023-09-30	49.4	0.1	+0.26%
2023-07-01	49.3	0.2	+0.34%
2023-04-01	49.1	-0.3	-0.59%
2022-12-31	49.4	-0.5	-1.10%
2022-10-01	49.9	0.0	+0.08%
2022-07-02	49.9	-0.0	-0.02%
2022-04-02	49.9	0.1	+0.14%
2021-12-31	49.8	0.1	+0.17%
2021-09-25	49.8	0.1	+0.12%
2021-06-26	49.7	0.1	+0.26%
2021-03-27	49.6	0.2	+0.50%
2020-12-31	49.3	0.2	+0.40%
2020-09-26	49.1	0.1	+0.24%
2020-06-27	49.0	-1.1	-2.21%
2020-03-28	50.1	22.5	+81.23%
2019-12-31	27.7	2.4	+9.29%
2019-09-28	25.3	0.1	+0.22%
2019-06-29	25.3	0.1	+0.42%
2019-03-30	25.1	-6.5	-20.54%
2018-12-31	31.6	-0.8	-2.35%
2018-09-29	32.4	-0.0	-0.09%
2018-06-30	32.4	0.1	+0.37%
2018-03-31	32.3	0.7	+2.28%
2017-12-31	31.6	-0.6	-1.78%
2017-09-30	32.2	0.0	+0.07%
2017-07-01	32.1	0.1	+0.27%
2017-04-01	32.1	6.8	+26.81%
2016-12-31	25.3	-6.2	-19.64%
2016-09-24	31.5	-0.3	-0.93%
2016-06-25	31.8	0.1	+0.32%
2016-03-26	31.7	-0.4	-1.31%
2015-12-31	32.1	-0.1	-0.40%
2015-09-26	32.2	-0.1	-0.42%
2015-06-27	32.3	-0.2	-0.65%
2015-03-28	32.5	-1.0	-2.85%
2014-12-31	33.5	0.3	+0.80%
2014-09-27	33.2	-0.0	-0.01%
2014-06-28	33.2	0.1	+0.45%
2014-03-29	33.1	-0.4	-1.33%
2013-12-31	33.5	0.1	+0.34%
2013-09-28	33.4	0.3	+0.82%
2013-06-29	33.2	-0.1	-0.25%
2013-03-30	33.2	0.2	+0.59%
2012-12-31	33.0	0.2	+0.56%
2012-09-29	32.9	0.1	+0.41%
2012-06-30	32.7	0.0	+0.04%
2012-03-31	32.7	6.5	+24.94%
2011-12-31	26.2	0.1	+0.46%
2011-10-01	26.1	0.2	+0.85%
2011-07-02	25.8	-0.0	-0.10%
2011-04-02	25.9	2.6	+10.94%
2010-12-31	23.3	-2.1	-8.32%
2010-10-02	25.4	0.1	+0.31%
2010-07-03	25.4	0.1	+0.27%
2010-04-03	25.3	-5.7	-18.41%
2009-12-31	31.0	-0.1	-0.36%
2009-09-26	31.1	0.2	+0.49%
2009-06-27	31.0	0.2	+0.58%
2009-03-28	30.8	0.1	+0.27%
2008-12-31	30.7	-0.1	-0.28%
2008-09-27	30.8	0.1	+0.37%
2008-06-28	30.7	0.1	+0.45%
2008-03-29	30.5	1.3	+4.28%
2007-12-31	29.3	0.0	+0.11%
2007-09-29	29.3	-0.1	-0.21%
2007-06-30	29.3	0.1	+0.30%
2007-03-31	29.2	0.9	+3.10%
2006-12-31	28.3	-0.8	-2.65%
2006-09-30	29.1	0.2	+0.61%
2006-07-01	28.9	6.4	+28.38%
2006-04-01	22.5	9.7	+75.45%
2005-12-31	12.9	-4.1	-24.23%
2005-10-01	17.0	0.0	+0.18%
2005-07-02	16.9	0.0	+0.03%
2005-04-02	16.9	3.4	+25.36%
2004-12-31	13.5	-3.3	-19.74%
2004-10-02	16.8	-0.1	-0.43%
2004-07-03	16.9	-0.1	-0.81%
2004-04-03	17.0	3.6	+26.47%
2003-12-31	13.5	-3.3	-19.76%
2003-09-30	16.8	0.2	+1.36%
2003-06-30	16.6	0.0	+0.06%
2003-03-31	16.5	3.4	+25.60%
2002-12-31	13.2	-3.1	-18.81%
2002-09-30	16.2	-0.5	-2.97%
2002-06-30	16.7	-0.1	-0.73%
2002-03-31	16.8	3.8	+29.34%
2001-12-31	13.0	-3.6	-21.77%
2001-09-30	16.6	-0.1	-0.38%
2001-06-30	16.7	0.7	+4.08%
2001-03-31	16.1	3.7	+29.57%
2000-12-31	12.4	-3.4	-21.55%
2000-09-30	15.8	0.0	+0.26%
2000-06-30	15.8	-0.1	-0.68%
2000-03-31	15.9	4.0	+33.93%
1999-12-31	11.8	5.2	+77.69%
1999-09-30	6.7	-1.3	-16.67%
1999-06-30	8.0	1.8	+28.00%
1999-03-31	6.3	-2.4	-28.08%
1998-12-31	8.7	-0.4	-4.19%
1998-09-30	9.1	0.1	+0.78%
1998-06-30	9.0	0.0	+0.22%
1998-03-31	9.0	0.0	+0.45%
1997-12-31	8.9	-0.1	-0.67%
1997-09-30	9.0	0.3	+3.81%
1997-06-30	8.7	0.0	0.00%
1997-03-31	8.7	0.2	+2.60%
1996-12-31	8.5	-0.1	-0.71%
1996-09-30	8.5	-0.1	-0.82%
1996-06-30	8.6	—	—