Spyre Therapeutics, Inc. (SYRE): Shares Outstanding

Annual figures by period end, from SEC filings.

Stock splits: 1-for-25, first reflected in a filing dated 2023-11-09. Figures are as filed: per-share figures and share counts last reported before a split are on the old share basis, so changes and growth rates across a split are not shown. Splits are read from the filings' own restatements, so a share conversion in a merger or reorganization shows up the same way.

78.19M

As of 2025-12-31

88.06M

As of 2026-06-30

+210.4%

3-year compound annual growth

2015-12-31 Shares Outstanding (shares) 2025-12-31

Paler bars were last filed before a stock split, on the old share basis.

Period ended	Shares Outstanding	Change YoY	Source filing
2025-12-31	78.19M	+29.8%	2026-02-19, Balance as of period end
2024-12-31	60.26M	+67.1%	2026-02-19, Balance as of period end
2023-12-31	36.06M	n/m	2025-02-27, Balance as of period end
2022-12-31	2.61M	n/c	2024-11-18, Balance as of period end
2021-12-31	49.36M	+2.9%	2023-03-02, Balance as of period end
2020-12-31	47.96M	+64.9%	2022-03-08, Balance as of period end
2019-12-31	29.08M	+20.5%	2021-03-18, Balance as of period end
2018-12-31	24.14M	n/c	2020-02-24, Balance as of period end
2017-12-31	16.67M	+24.1%	2019-03-07, Balance as of period end
2016-12-31	13.43M	n/m	2018-03-13, Balance as of period end
2015-12-31	757.3K	n/a	2017-03-23, Balance as of period end