Ribbon Communications Inc. (RBBN)

Historical Shares Outstanding

Current Count

176.5M

Financial Fundamentals

RBBN • Quarterly Data • 5Y View

Share Count History

Date	Shares Out. (M)	Change (M)	Change %
2026-06-30	176.5	0.8	+0.45%
2026-03-31	175.7	-3.1	-1.71%
2025-12-31	178.7	2.4	+1.34%
2025-09-30	176.4	0.1	+0.07%
2025-06-30	176.2	0.5	+0.29%
2025-03-31	175.7	-3.0	-1.67%
2024-12-31	178.7	4.1	+2.34%
2024-09-30	174.6	0.8	+0.47%
2024-06-30	173.8	1.4	+0.79%
2024-03-31	172.4	-0.6	-0.32%
2023-12-31	173.0	1.8	+1.05%
2023-09-30	171.2	1.1	+0.64%
2023-06-30	170.1	1.6	+0.93%
2023-03-31	168.5	-3.7	-2.13%
2022-12-31	172.2	13.3	+8.36%
2022-09-30	158.9	8.7	+5.81%
2022-06-30	150.2	1.0	+0.69%
2022-03-31	149.2	0.5	+0.33%
2021-12-31	148.7	0.5	+0.33%
2021-09-30	148.2	-6.0	-3.88%
2021-06-30	154.2	8.2	+5.64%
2021-03-31	145.9	-7.5	-4.89%
2020-12-31	153.4	1.8	+1.16%
2020-09-30	151.7	7.2	+4.98%
2020-06-30	144.5	23.5	+19.42%
2020-03-31	121.0	10.7	+9.72%
2019-12-31	110.3	-0.5	-0.44%
2019-09-30	110.8	0.1	+0.05%
2019-06-30	110.7	2.5	+2.34%
2019-03-31	108.2	1.6	+1.46%
2018-12-31	106.6	1.7	+1.61%
2018-09-30	104.9	2.8	+2.70%
2018-06-30	102.2	0.2	+0.24%
2018-03-31	101.9	15.3	+17.73%
2017-12-31	86.6	36.4	+72.68%
2017-09-30	50.1	0.6	+1.19%
2017-06-30	49.5	0.4	+0.87%
2017-03-31	49.1	-0.1	-0.24%
2016-12-31	49.2	-0.2	-0.34%
2016-09-30	49.4	-0.0	-0.04%
2016-06-30	49.4	-0.1	-0.12%
2016-03-31	49.5	-0.4	-0.85%
2015-12-31	49.9	0.3	+0.57%
2015-09-30	49.6	0.1	+0.28%
2015-06-30	49.5	0.1	+0.12%
2015-03-31	49.4	0.1	+0.13%
2014-12-31	49.4	0.1	+0.14%
2014-09-30	49.3	-0.1	-0.27%
2014-06-30	49.4	-3.7	-6.89%
2014-03-31	53.1	-1.6	-2.96%
2013-12-31	54.7	-1.1	-2.05%
2013-09-30	55.8	-0.6	-1.13%
2013-06-30	56.5	0.2	+0.30%
2013-03-31	56.3	0.2	+0.27%
2012-12-31	56.2	0.1	+0.22%
2012-09-30	56.0	0.0	+0.08%
2012-06-30	56.0	0.1	+0.16%
2012-03-31	55.9	0.2	+0.27%
2011-12-31	55.7	-0.1	-0.22%
2011-09-30	55.9	0.2	+0.33%
2011-06-30	55.7	0.1	+0.25%
2011-03-31	55.5	0.5	+0.84%
2010-12-31	55.1	0.0	0.00%
2010-09-30	55.1	-0.2	-0.33%
2010-06-30	55.3	0.3	+0.59%
2010-03-31	54.9	0.2	+0.29%
2009-12-31	54.8	0.0	0.00%
2009-09-30	54.8	0.0	+0.05%
2009-06-30	54.8	0.1	+0.25%
2009-03-31	54.6	0.3	+0.54%
2008-12-31	54.3	0.0	0.00%
2008-09-30	54.3	-0.4	-0.76%
2008-06-30	54.7	0.5	+0.92%
2008-03-31	54.2	1.7	+3.16%
2007-12-31	52.6	0.0	0.00%
2007-09-30	52.6	0.6	+1.20%
2007-06-30	52.0	0.0	+0.01%
2007-03-31	52.0	1.1	+2.23%
2006-12-31	50.8	-0.6	-1.19%
2006-09-30	51.4	0.2	+0.32%
2006-06-30	51.3	0.4	+0.73%
2006-03-31	50.9	1.1	+2.27%
2005-12-31	49.8	0.0	0.00%
2005-09-30	49.8	-0.4	-0.74%
2005-06-30	50.1	0.6	+1.12%
2005-03-31	49.6	0.3	+0.68%
2004-12-31	49.2	-1.1	-2.19%
2004-09-30	50.3	0.3	+0.63%
2004-06-30	50.0	-1.1	-2.14%
2004-03-31	51.1	6.2	+13.92%
2003-12-31	44.9	0.0	0.00%
2003-09-30	44.9	1.7	+3.88%
2003-06-30	43.2	3.5	+8.69%
2003-03-31	39.7	1.4	+3.59%
2002-12-31	38.4	0.0	0.00%
2002-09-30	38.4	0.5	+1.39%
2002-06-30	37.8	0.6	+1.69%
2002-03-31	37.2	1.7	+4.93%
2001-12-31	35.5	0.0	0.00%
2001-09-30	35.5	1.2	+3.49%
2001-06-30	34.3	1.8	+5.70%
2001-03-31	32.4	-54.5	-62.70%
2000-12-31	86.9	0.0	0.00%
2000-09-30	86.9	73.0	+522.90%
2000-06-30	14.0	0.0	0.00%
2000-03-31	14.0	—	—