Citadel Advisors’s Tetra Tech TTEK Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $916K | Buy |
30,400
+9,700
| +47% | +$343K | ﹤0.01% | 7859 |
|
|
2025
Q4 | $694K | Sell |
20,700
-59,000
| -74% | -$2M | ﹤0.01% | 8229 |
|
|
2025
Q3 | $2.66M | Sell |
79,700
-60,700
| -43% | -$2.21M | ﹤0.01% | 5519 |
|
|
2025
Q2 | $5.05M | Sell |
140,400
-80,500
| -36% | -$2.68M | ﹤0.01% | 4101 |
|
|
2025
Q1 | $6.46M | Buy |
220,900
+201,900
| +1,063% | +$6.77M | ﹤0.01% | 3483 |
|
|
2024
Q4 | $757K | Buy |
19,000
+8,500
| +81% | +$382K | ﹤0.01% | 7626 |
|
|
2024
Q3 | $495K | Buy |
10,500
+6,500
| +163% | +$289K | ﹤0.01% | 8275 |
|
|
2024
Q2 | $164K | Sell |
4,000
-16,000
| -80% | -$652K | ﹤0.01% | 10213 |
|
|
2024
Q1 | $739K | Sell |
20,000
-22,500
| -53% | -$779K | ﹤0.01% | 7550 |
|
|
2023
Q4 | $1.42M | Buy |
42,500
+15,000
| +55% | +$479K | ﹤0.01% | 5994 |
|
|
2023
Q3 | $836K | Buy |
27,500
+13,000
| +90% | +$422K | ﹤0.01% | 6954 |
|
|
2023
Q2 | $475K | Buy |
14,500
+2,500
| +21% | +$73.5K | ﹤0.01% | 8057 |
|
|
2023
Q1 | $353K | Buy |
12,000
+5,500
| +85% | +$159K | ﹤0.01% | 9031 |
|
|
2022
Q4 | $189K | Buy |
+6,500
| New | +$188K | ﹤0.01% | 10232 |
|
|
2022
Q3 | – | Sell |
-18,000
| Closed | -$492K | – | 13627 |
|
|
2022
Q2 | $492K | Sell |
18,000
-20,500
| -53% | -$562K | ﹤0.01% | 8692 |
|
|
2022
Q1 | $1.27M | Buy |
38,500
+28,000
| +267% | +$862K | ﹤0.01% | 7149 |
|
|
2021
Q4 | $357K | Sell |
10,500
-25,500
| -71% | -$878K | ﹤0.01% | 10525 |
|
|
2021
Q3 | $1.07M | Sell |
36,000
-18,500
| -34% | -$508K | ﹤0.01% | 7970 |
|
|
2021
Q2 | $1.33M | Buy |
54,500
+18,000
| +49% | +$453K | ﹤0.01% | 7603 |
|
|
2021
Q1 | $991K | Buy |
+36,500
| New | +$967K | ﹤0.01% | 8135 |
|
|
2020
Q4 | – | Sell |
-16,500
| Closed | -$315K | – | 11535 |
|
|
2020
Q3 | $315K | Sell |
16,500
-500
| -3% | -$8.89K | ﹤0.01% | 8050 |
|
|
2020
Q2 | $269K | Sell |
17,000
-3,000
| -15% | -$45.6K | ﹤0.01% | 8084 |
|
|
2020
Q1 | $282K | Buy |
20,000
+7,500
| +60% | +$128K | ﹤0.01% | 7451 |
|
|
2019
Q4 | $215K | Sell |
12,500
-3,000
| -19% | -$52K | ﹤0.01% | 8070 |
|
|
2019
Q3 | $269K | Buy |
+15,500
| New | +$253K | ﹤0.01% | 7723 |
|
|
2019
Q2 | – | Sell |
-88,500
| Closed | -$1.05M | – | 9869 |
|
|
2019
Q1 | $1.05M | Buy |
88,500
+68,000
| +332% | +$762K | ﹤0.01% | 5489 |
|
|
2018
Q4 | $212K | Buy |
+20,500
| New | +$254K | ﹤0.01% | 7785 |
|
|
2015
Q3 | – | Sell |
-25,500
| Closed | -$131K | – | 9238 |
|
|
2015
Q2 | $131K | Buy |
25,500
+13,000
| +104% | +$66.6K | ﹤0.01% | 6807 |
|
|
2015
Q1 | $60K | Buy |
+12,500
| New | +$61.8K | ﹤0.01% | 7268 |
|
|
2014
Q4 | – | Sell |
-4,000
| Closed | -$20K | – | 8736 |
|
|
2014
Q3 | $20K | Buy |
+4,000
| New | +$20.8K | ﹤0.01% | 7425 |
|
|
2014
Q2 | – | Sell |
-4,500
| Closed | -$27K | – | 8315 |
|
|
2014
Q1 | $27K | Hold |
4,500
| – | – | ﹤0.01% | 7148 |
|
|
2013
Q4 | $25K | Sell |
4,500
-10,500
| -70% | -$56.7K | ﹤0.01% | 6349 |
|
|
2013
Q3 | $78K | Sell |
15,000
-20,500
| -58% | -$98.3K | ﹤0.01% | 5523 |
|
|
2013
Q2 | $167K | Buy |
+35,500
| New | +$188K | ﹤0.01% | 4824 |
|
Other funds holding TTEK
VPM
VCM
Citadel Advisors's TTEK Position: Q1 2026 in Review
Citadel Advisors increased its Tetra Tech (TTEK) stake by 3,341% in Q1 2026, buying an estimated $59.7M and bringing the position to 1,740,911 shares worth $52.4M. The position accounts for 0.01% of the portfolio, ranked #1315.
Citadel Advisors first reported a position in TTEK in Q2 2013 and has held it in 44 quarters since. The position peaked at $103M in Q2 2025. 588 funds tracked by Wall St. Rank hold TTEK as of Q1 2026.
- Citadel Advisors held 1,740,911 shares of Tetra Tech worth $52.4M as of Q1 2026.
- Citadel Advisors bought 1,690,318 Tetra Tech shares in Q1 2026, an estimated $59.7M.
- Tetra Tech made up 0.01% of Citadel Advisors's portfolio in Q1 2026, its #1315 holding.
- Citadel Advisors first reported a position in Tetra Tech in Q2 2013 and has held it in 44 quarters since.
- Citadel Advisors's Tetra Tech position peaked at $103M in Q2 2025.
- 588 funds tracked by Wall St. Rank held Tetra Tech as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.