Simplex Trading
TTEK icon

Simplex Trading’s Tetra Tech TTEK Stock Holding History

Simplex Trading’s Portfolio TTEK Stock Details TTEK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$303K Buy
+10,061
New +$356K ﹤0.01% 3813
2025
Q2 		– Sell
-21,451
Closed -$714K – 9765
2025
Q1 		$627K Buy
+21,451
New +$720K ﹤0.01% 3150
2024
Q4 		– Sell
-4,209
Closed -$189K – 9664
2024
Q3 		$198K Buy
+4,209
New +$187K ﹤0.01% 4523
2023
Q3 		– Sell
-5,470
Closed -$178K – 9858
2023
Q2 		$179K Buy
5,470
+5,315
+3,429% +$156K ﹤0.01% 4427
2023
Q1 		$4K Buy
155
+55
+55% +$1.59K ﹤0.01% 8234
2022
Q4 		$2K Buy
+100
New +$2.89K ﹤0.01% 8661
2022
Q1 		– Sell
-2,085
Closed -$64.2K – 11417
2021
Q4 		$70K Buy
2,085
+2,020
+3,108% +$69.6K ﹤0.01% 6785
2021
Q3 		$1K Hold
65
– – ﹤0.01% 9686
2021
Q2 		$1K Sell
65
-35
-35% -$881 ﹤0.01% 9864
2021
Q1 		$2K Buy
+100
New +$2.65K ﹤0.01% 8491
2020
Q3 		– Sell
-3,140
Closed -$55.8K – 8536
2020
Q2 		$49K Buy
3,140
+2,240
+249% +$34K ﹤0.01% 5516
2020
Q1 		$12K Buy
+900
New +$15.3K ﹤0.01% 6362
2019
Q2 		– Sell
-11,515
Closed -$155K – 7808
2019
Q1 		$137K Buy
+11,515
New +$129K ﹤0.01% 4006
2017
Q1 		– Sell
-3,350
Closed -$28K – 6798
2016
Q4 		$28K Buy
+3,350
New +$27.1K ﹤0.01% 2733
2016
Q3 		– Sell
-4,230
Closed -$28.7K – 6464
2016
Q2 		$26K Buy
4,230
+3,655
+636% +$21.9K ﹤0.01% 2678
2016
Q1 		$3K Buy
+575
New +$3.06K ﹤0.01% 4536
2015
Q4 		– Sell
-1,650
Closed -$8K – 6157
2015
Q3 		$8K Buy
+1,650
New +$8.44K ﹤0.01% 3662

Other funds holding TTEK

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return
Sands Capital Management
Sands Capital Management Arlington, Virginia $25.5B AUM 26.46% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Fidelity International
Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return

Simplex Trading's TTEK Position: Q1 2026 in Review

Simplex Trading opened a new position in Tetra Tech (TTEK) in Q1 2026: 10,061 shares worth $303K. The stake represents ﹤0.01% of the portfolio and ranks #3813 among its holdings. This is a return to the name: Simplex Trading previously reported a position in TTEK as recently as Q1 2025.

Simplex Trading first reported a position in TTEK in Q3 2015 and has held it in 17 quarters since. The position peaked at $627K in Q1 2025. 589 funds tracked by Wall St. Rank hold TTEK as of Q1 2026.

  • Simplex Trading held 10,061 shares of Tetra Tech worth $303K as of Q1 2026.
  • Tetra Tech was a new Simplex Trading position in Q1 2026.
  • Tetra Tech made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #3813 holding.
  • Simplex Trading first reported a position in Tetra Tech in Q3 2015 and has held it in 17 quarters since.
  • Simplex Trading's Tetra Tech position peaked at $627K in Q1 2025.
  • 589 funds tracked by Wall St. Rank held Tetra Tech as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.