TETRA TECH INC - COMMON STOCK (TTEK)

Historical Holders from Q1 2014 to Q3 2025

Symbol
TTEK on Nasdaq
CUSIP
88162G103
Type / Class
Equity / COMMON STOCK
Shares outstanding
265M
All holders as of September 30, 2025
Q3 2025
Total 13F shares, excl. options
246M
Holdings value
$8.21B
% of all portfolios
0.008%
Grand Portfolio weight change
0%
Number of holders
584
Number of buys
294
Number of sells
-258
Average Value change %
0%
Average buys %
+0.001%
Average sells %
-0.002%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of TETRA TECH INC - COMMON STOCK (TTEK)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
VANGUARD GROUP INC 10.14% $856M 27.2M The Vanguard Group Mar 31, 2025
BlackRock, Inc. 9.7% $820M 26M BlackRock, Inc. Dec 31, 2024
PICTET ASSET MANAGEMENT SA 4.9% -8% $434M -$48.5M 13M -10% PICTET ASSET MANAGEMENT SA Oct 16, 2025

Institutional Holders of TETRA TECH INC - COMMON STOCK (TTEK)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 246M $8.21B -$118M $33.38 584
2025 Q2 249M $8.93B +$296M $35.96 580
2025 Q1 242M $7.09B +$25M $29.25 557
2024 Q4 237M $9.44B -$40.5M $39.84 627
2024 Q3 235M $11.1B +$7.61B $47.16 632
2024 Q2 48.3M $9.89B +$357M $204.48 595
2024 Q1 46M $8.51B -$171M $184.71 502
2023 Q4 47.2M $7.87B +$81.1M $166.93 501
2023 Q3 46.1M $7.01B -$45.9M $152.03 466
2023 Q2 46.7M $7.65B +$66.4M $163.74 442
2023 Q1 46.4M $6.81B +$67.8M $146.91 435
2022 Q4 46.4M $6.74B -$28.6M $145.19 460
2022 Q3 45.9M $5.9B -$136M $128.53 397
2022 Q2 46.2M $6.3B -$103M $136.55 397
2022 Q1 47.7M $7.87B +$152M $164.94 389
2021 Q4 46.7M $7.93B -$124M $169.80 389
2021 Q3 47.4M $7.07B +$120M $149.34 349
2021 Q2 46.5M $5.68B -$73.8M $122.04 357
2021 Q1 47.8M $6.47B +$25.6M $135.72 358
2020 Q4 46.9M $5.44B +$47M $115.78 355
2020 Q3 46.5M $4.44B +$26.6M $95.50 321
2020 Q2 46.3M $3.66B +$16.6M $79.12 302
2020 Q1 46.3M $3.27B -$66.1M $70.62 310
2019 Q4 47.2M $4.07B -$33.9M $86.16 331
2019 Q3 47.5M $4.12B -$127M $86.76 338
2019 Q2 49.1M $3.85B +$86.2M $78.55 323
2019 Q1 48.8M $2.91B +$7.7M $59.59 317
2018 Q4 48.8M $2.52B -$2.97M $51.77 320
2018 Q3 48.6M $3.32B -$19.1M $68.30 309
2018 Q2 49.1M $2.87B -$2.52M $58.50 284
2018 Q1 49.3M $2.41B +$19.3M $48.95 289
2017 Q4 49M $2.36B -$29.1M $48.15 294
2017 Q3 49.3M $2.29B -$9.88M $46.55 266
2017 Q2 49.7M $2.28B -$9.26M $45.75 282
2017 Q1 50M $2.04B +$318M $40.85 256
2016 Q4 49.5M $2.13B -$58.8M $43.15 274
2016 Q3 50.9M $1.8B -$46.7M $35.47 249
2016 Q2 53.1M $1.63B -$13.9M $30.74 240
2016 Q1 54.4M $1.62B -$18M $29.82 241
2015 Q4 55.2M $1.44B +$4.81M $26.02 235
2015 Q3 55.7M $1.35B -$9M $24.31 227
2015 Q2 56M $1.44B +$27M $25.64 214
2015 Q1 55M $1.33B -$11.5M $24.02 205
2014 Q4 55.2M $1.47B -$43.2M $26.70 209
2014 Q3 57.6M $1.44B -$58.5M $24.98 206
2014 Q2 59.7M $1.64B -$14.5M $27.50 214
2014 Q1 60.1M $1.77B +$6.25M $29.59 219