Tetra Tech Shares Outstanding 2012-2025 | TTEK

Tetra Tech shares outstanding history from 2012 to 2025. Shares outstanding can be defined as the number of shares held by shareholders (including insiders) assuming conversion of all convertible debt, securities, warrants and options. This metric excludes the company's treasury shares.
  • Tetra Tech shares outstanding for the quarter ending December 31, 2025 were 0.263B, a 3.37% decline year-over-year.
  • Tetra Tech 2025 shares outstanding were 0.267B, a 1.08% decline from 2024.
  • Tetra Tech 2024 shares outstanding were 0.27B, a 0.69% increase from 2023.
  • Tetra Tech 2023 shares outstanding were 0.268B, a 0.97% decline from 2022.
Tetra Tech Annual Shares Outstanding
(Millions of Shares)
2025 267
2024 270
2023 268
2022 271
2021 273
2020 275
2019 280
2018 283
2017 290
2016 295
2015 308
2014 326
2013 323
2012 320
2011 314
Tetra Tech Quarterly Shares Outstanding
(Millions of Shares)
2025-12-31 263
2025-09-30 267
2025-06-30 265
2025-03-31 267
2024-12-31 272
2024-09-30 270
2024-06-30 270
2024-03-31 269
2023-12-31 269
2023-09-30 268
2023-06-30 268
2023-03-31 268
2022-12-31 268
2022-09-30 271
2022-06-30 270
2022-03-31 272
2021-12-31 273
2021-09-30 273
2021-06-30 273
2021-03-31 274
2020-12-31 273
2020-09-30 275
2020-06-30 273
2020-03-31 277
2019-12-31 277
2019-09-30 280
2019-06-30 279
2019-03-31 280
2018-12-31 282
2018-09-30 283
2018-06-30 282
2018-03-31 283
2017-12-31 284
2017-09-30 290
2017-06-30 291
2017-03-31 291
2016-12-31 291
2016-09-30 295
2016-06-30 293
2016-03-31 296
2015-12-31 299
2015-09-30 308
2015-06-30 304
2015-03-31 309
2014-12-31 316
2014-09-30 326
2014-06-30 327
2014-03-31 329
2013-12-31 325
2013-09-30 323
2013-06-30 324
2013-03-31 327
2012-12-31 323
2012-09-30 320
2012-06-30 321
2012-03-31 319
2011-12-31 315
2011-09-30 314
2011-06-30 315
2011-03-31 315
Sector Industry Market Cap Revenue
Construction Engineering - Research & Development Services $10.615B $5.443B
Tetra Tech is a leading provider of consulting, construction management, engineering, program management and technical services. It serves clients by providing cost-effective and innovative solutions on dealing with the fundamental needs for water, environmental and alternative energy services. Tetra Tech's has a diverse base of international and U.S. commercial clients, as well as U.S. federal and U.S. state and local government agencies. Tetra Tech reports its businesses under the following two segments: Government Services Group and Commercial / International Services Group.
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