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 		$2.41M Buy
80,000
+79,200
+9,900% +$2.8M ﹤0.01% 1679
2025
Q4 		$26.8K Sell
800
-116,200
-99% -$3.93M ﹤0.01% 6209
2025
Q3 		$3.9M Buy
117,000
+88,800
+315% +$3.23M ﹤0.01% 1691
2025
Q2 		$1.01M Sell
28,200
-123,500
-81% -$4.11M ﹤0.01% 2762
2025
Q1 		$4.44M Buy
+151,700
New +$5.09M ﹤0.01% 1391
2024
Q2 		– Sell
-5,500
Closed -$203K – 9850
2024
Q1 		$203K Sell
5,500
-11,500
-68% -$398K ﹤0.01% 4849
2023
Q4 		$567K Buy
17,000
+11,500
+209% +$367K ﹤0.01% 3558
2023
Q3 		$167K Buy
5,500
+5,000
+1,000% +$162K ﹤0.01% 4545
2023
Q2 		$16K Sell
500
-1,500
-75% -$44.1K ﹤0.01% 7002
2023
Q1 		$58K Buy
+2,000
New +$57.8K ﹤0.01% 5764
2022
Q2 		– Sell
-500
Closed -$16K – 11130
2022
Q1 		$16K Hold
500
– – ﹤0.01% 8488
2021
Q4 		$16K Sell
500
-500
-50% -$17.2K ﹤0.01% 8628
2021
Q3 		$24K Hold
1,000
– – ﹤0.01% 8289
2021
Q2 		$24K Buy
1,000
+950
+1,900% +$23.9K ﹤0.01% 8444
2021
Q1 		$135K Buy
50
+45
+900% +$1.19K ﹤0.01% 5329
2020
Q4 		$11K Sell
5
-75
-94% -$1.69K ﹤0.01% 7369
2020
Q3 		$152K Sell
80
-5
-6% -$89 ﹤0.01% 4450
2020
Q2 		$134K Sell
85
-5
-6% -$76 ﹤0.01% 4475
2020
Q1 		$127K Buy
90
+70
+350% +$1.19K ﹤0.01% 4117
2019
Q4 		$34K Sell
20
-835
-98% -$14.5K ﹤0.01% 5557
2019
Q3 		$1.48M Buy
+855
New +$14K ﹤0.01% 1588
2019
Q2 		– Sell
-1,715
Closed -$2.04M – 7809
2019
Q1 		$2.04M Buy
+1,715
New +$19.2K 0.01% 1360
2018
Q3 		– Sell
-615
Closed -$719K – 8081
2018
Q2 		$719K Buy
615
+570
+1,267% +$6.09K ﹤0.01% 2105
2018
Q1 		$2K Buy
+45
New +$445 ﹤0.01% 5353
2015
Q4 		– Sell
-150
Closed -$4K – 6158
2015
Q3 		$4K Buy
+150
New +$767 ﹤0.01% 4212

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 $94.8B AUM 24.11% 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. 588 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.
  • 588 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.