California State Teachers Retirement System Tetra Tech Inc Transaction History

California State Teachers Retirement System

  • $94.5 Billion
  • Q3 2025

A detailed history of California State Teachers Retirement System transactions in Tetra Tech Inc stock. As of the latest transaction made, California State Teachers Retirement System holds 238,581 shares of TTEK stock, worth $8.64 Million. This represents 0.01% of its overall portfolio holdings.

Number of Shares
238,581
Previous 238,569 0.01%
Holding current value
$8.64 Million
Previous $8.58 Million 7.17%
% of portfolio
0.01%
Previous 0.01%

Shares

35 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 14, 2025
BUY
$33.1 - $38.34 $397 - $460
12 Added 0.01%
238,581 $7.96 Million
Q2 2025

Aug 14, 2025
SELL
$28.01 - $36.25 $485,385 - $628,176
-17,329 Reduced 6.77%
238,569 $8.58 Million
Q1 2025

May 15, 2025
BUY
$28.26 - $42.58 $156,475 - $235,765
5,537 Added 2.21%
255,898 $7.49 Million
Q4 2024

Feb 14, 2025
SELL
$39.8 - $50.52 $108,773 - $138,071
-2,733 Reduced 1.08%
250,361 $9.97 Million
Q3 2024

Apr 04, 2025
BUY
$45.59 - $237.74 $124,597 - $649,743
2,733 Added 1.09%
253,094 $11.9 Million
Q3 2024

Nov 14, 2024
BUY
$45.59 - $237.74 $9.16 Million - $47.8 Million
200,899 Added 384.9%
253,094 $11.9 Million
Q2 2024

Apr 08, 2025
SELL
$184.08 - $220.4 $36.5 Million - $43.7 Million
-198,166 Reduced 79.15%
52,195 $10.7 Million
Q2 2024

Aug 14, 2024
SELL
$184.08 - $220.4 $201,015 - $240,676
-1,092 Reduced 2.05%
52,195 $10.7 Million
Q1 2024

May 15, 2024
SELL
$158.18 - $186.82 $465,523 - $549,811
-2,943 Reduced 5.23%
53,287 $9.84 Million
Q4 2023

Feb 13, 2024
SELL
$144.77 - $168.39 $381,903 - $444,212
-2,638 Reduced 4.48%
56,230 $9.39 Million
Q3 2023

Nov 14, 2023
SELL
$151.71 - $172.29 $872,787 - $991,184
-5,753 Reduced 8.9%
58,868 $8.95 Million
Q2 2023

Aug 21, 2023
SELL
$132.63 - $164.02 $213,003 - $263,416
-1,606 Reduced 2.42%
64,621 $10.6 Million
Q1 2023

May 09, 2023
SELL
$132.66 - $157.87 $169,937 - $202,231
-1,281 Reduced 1.9%
66,227 $9.73 Million
Q4 2022

Feb 14, 2023
BUY
$123.25 - $162.53 $12,694 - $16,740
103 Added 0.15%
67,508 $9.8 Million
Q3 2022

Nov 18, 2022
SELL
$124.45 - $153.27 $200,613 - $247,071
-1,612 Reduced 2.34%
67,405 $8.66 Million
Q2 2022

Aug 15, 2022
BUY
$119.47 - $167.18 $6,809 - $9,529
57 Added 0.08%
69,017 $9.42 Million
Q1 2022

May 16, 2022
SELL
$128.6 - $172.35 $795,133 - $1.07 Million
-6,183 Reduced 8.23%
68,960 $11.4 Million
Q4 2021

Feb 15, 2022
BUY
$151.16 - $190.38 $253,646 - $319,457
1,678 Added 2.28%
75,143 $12.8 Million
Q3 2021

Nov 15, 2021
SELL
$121.48 - $153.26 $105,930 - $133,642
-872 Reduced 1.17%
73,465 $11 Million
Q2 2021

Aug 16, 2021
SELL
$116.17 - $143.73 $819,927 - $1.01 Million
-7,058 Reduced 8.67%
74,337 $9.07 Million
Q1 2021

May 18, 2021
SELL
$114.17 - $143.19 $23,290 - $29,210
-204 Reduced 0.25%
81,395 $11 Million
Q4 2020

Feb 16, 2021
SELL
$97.16 - $125.19 $5,538 - $7,135
-57 Reduced 0.07%
81,599 $9.45 Million
Q3 2020

Nov 17, 2020
BUY
$75.56 - $96.21 $28,863 - $36,752
382 Added 0.47%
81,656 $7.8 Million
Q2 2020

Aug 17, 2020
SELL
$65.94 - $84.12 $111,240 - $141,910
-1,687 Reduced 2.03%
81,274 $6.43 Million
Q1 2020

May 13, 2020
SELL
$67.02 - $98.26 $27,545 - $40,384
-411 Reduced 0.49%
82,961 $5.86 Million
Q4 2019

Feb 14, 2020
SELL
$81.47 - $89.54 $137,276 - $150,874
-1,685 Reduced 1.98%
83,372 $7.18 Million
Q3 2019

Nov 15, 2019
BUY
$75.17 - $86.76 $76,372 - $88,148
1,016 Added 1.21%
85,057 $7.38 Million
Q2 2019

Aug 14, 2019
SELL
$59.4 - $78.55 $50,311 - $66,531
-847 Reduced 1.0%
84,041 $6.6 Million
Q1 2019

May 09, 2019
SELL
$48.61 - $60.64 $95,956 - $119,703
-1,974 Reduced 2.27%
84,888 $5.06 Million
Q4 2018

Feb 13, 2019
BUY
$49.08 - $72.33 $100,270 - $147,770
2,043 Added 2.41%
86,862 $4.5 Million
Q3 2018

Nov 14, 2018
SELL
$59.15 - $71.75 $1,774 - $2,152
-30 Reduced 0.04%
84,819 $5.79 Million
Q2 2018

Aug 14, 2018
SELL
$47.65 - $58.5 $15,343 - $18,837
-322 Reduced 0.38%
84,849 $4.96 Million
Q1 2018

May 15, 2018
SELL
$45.4 - $53.0 $135,519 - $158,205
-2,985 Reduced 3.39%
85,171 $4.17 Million
Q4 2017

Feb 14, 2018
SELL
$47.05 - $50.7 $161,757 - $174,306
-3,438 Reduced 3.75%
88,156 $4.25 Million
Q3 2017

Nov 13, 2017
BUY
$40.25 - $47.95 $3.69 Million - $4.39 Million
91,594
91,594 $4.26 Million

Others Institutions Holding TTEK

# of Institutions
673
Shares Held
224M
Call Options Held
338K
Put Options Held
1.94M
View Full List

About TETRA TECH INC

TTEK Quotes by TradingView
  • Ticker TTEK
  • Exchange NASDAQ
  • Sector Industrials
  • Industry Engineering & Construction
  • Shares Outstandng 53,318,700
  • Market Cap $1.93B
  • Description
  • Tetra Tech, Inc. provides consulting and engineering services worldwide. The company operates through two segments Government Services Group (GSG) and Commercial/International Services Group (CIG). The GSG segment offers early data collection and monitoring, data analysis and information management, science and engineering applied research, engi...
More about TTEK
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