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Robeco Schweiz’s Tetra Tech TTEK Stock Holding History

Robeco Schweiz’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 		$68.9M Sell
2,287,250
-59,854
-3% -$2.12M 1.46% 23
2025
Q4 		$78.7M Sell
2,347,104
-31,916
-1% -$1.08M 1.76% 16
2025
Q3 		$79.4M Sell
2,379,020
-418,914
-15% -$15.2M 1.79% 18
2025
Q2 		$101M Sell
2,797,934
-394,182
-12% -$13.1M 2.32% 11
2025
Q1 		$93.4M Buy
3,192,116
+742,241
+30% +$24.9M 2.3% 6
2024
Q4 		$97.6M Buy
2,449,875
+512,931
+26% +$23M 2.09% 14
2024
Q3 		$91.3M Buy
1,936,944
+326,439
+20% +$14.5M 1.71% 22
2024
Q2 		$65.9M Buy
1,610,505
+113,560
+8% +$4.63M 1.26% 31
2024
Q1 		$55.3M Buy
1,496,945
+313,495
+26% +$10.9M 0.97% 41
2023
Q4 		$39.5M Sell
1,183,450
-5,215
-0.4% -$167K 0.66% 58
2023
Q3 		$36.1M Buy
1,188,665
+66,735
+6% +$2.17M 0.61% 58
2023
Q2 		$36.7M Sell
1,121,930
-127,230
-10% -$3.74M 0.55% 65
2023
Q1 		$36.7M Buy
+1,249,160
New +$36.1M 0.59% 65
2019
Q1 		– Sell
-619,130
Closed -$6.34M – 161
2018
Q4 		$6.34M Buy
619,130
+434,265
+235% +$5.39M 0.29% 84
2018
Q3 		$2.5M Sell
184,865
-920,220
-83% -$12.2M 0.1% 107
2018
Q2 		$12.7M Sell
1,105,085
-202,120
-15% -$2.16M 0.54% 61
2018
Q1 		$12.8M Buy
1,307,205
+248,355
+23% +$2.45M 0.59% 57
2017
Q4 		$10.3M Sell
1,058,850
-133,395
-11% -$1.29M 0.68% 54
2017
Q3 		$11M Buy
1,192,245
+122,565
+11% +$1.08M 0.85% 36
2017
Q2 		$9.78M Sell
1,069,680
-12,320
-1% -$110K 0.82% 42
2017
Q1 		$8.75M Sell
1,082,000
-233,885
-18% -$1.94M 0.75% 48
2016
Q4 		$11.4M Sell
1,315,885
-779,160
-37% -$6.29M 1.05% 26
2016
Q3 		$14.8M Sell
2,095,045
-295,050
-12% -$2M 1.29% 21
2016
Q2 		$14.3M Buy
2,390,095
+65,580
+3% +$392K 1.31% 17
2016
Q1 		$13.8M Buy
2,324,515
+155,600
+7% +$827K 1.33% 15
2015
Q4 		$11.5M Sell
2,168,915
-12,760
-0.6% -$68.1K 0.99% 28
2015
Q3 		$10.6M Sell
2,181,675
-440,555
-17% -$2.25M 0.99% 26
2015
Q2 		$13.4M Buy
2,622,230
+342,305
+15% +$1.75M 1.11% 21
2015
Q1 		$11M Buy
2,279,925
+364,135
+19% +$1.8M 0.86% 31
2014
Q4 		$10.4M Buy
1,915,790
+417,260
+28% +$2.18M 0.79% 33
2014
Q3 		$7.51M Sell
1,498,530
-459,205
-23% -$2.39M 0.6% 52
2014
Q2 		$10.7M Buy
1,957,735
+307,385
+19% +$1.68M 0.87% 29
2014
Q1 		$9.63M Sell
1,650,350
-3,249,635
-66% -$18.9M 0.84% 26
2013
Q4 		$27.4M Sell
4,899,985
-1,736,005
-26% -$9.37M 2.42% 10
2013
Q3 		$34.5M Buy
6,635,990
+1,276,490
+24% +$6.12M 2.89% 6
2013
Q2 		$25.4M Buy
+5,359,500
New +$28.4M 2.28% 6

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

Robeco Schweiz's TTEK Position: Q1 2026 in Review

Robeco Schweiz reduced its Tetra Tech (TTEK) stake by 2.6% in Q1 2026, selling an estimated $2.12M and leaving 2,287,250 shares worth $68.9M. The position accounts for 1.46% of the portfolio, ranked #23.

Robeco Schweiz first reported a position in TTEK in Q2 2013 and has held it in 36 quarters since. The position peaked at $101M in Q2 2025. 588 funds tracked by Wall St. Rank hold TTEK as of Q1 2026.

  • Robeco Schweiz held 2,287,250 shares of Tetra Tech worth $68.9M as of Q1 2026.
  • Robeco Schweiz sold 59,854 Tetra Tech shares in Q1 2026, an estimated $2.12M.
  • Tetra Tech made up 1.46% of Robeco Schweiz's portfolio in Q1 2026, its #23 holding.
  • Robeco Schweiz first reported a position in Tetra Tech in Q2 2013 and has held it in 36 quarters since.
  • Robeco Schweiz's Tetra Tech position peaked at $101M in Q2 2025.
  • 588 funds tracked by Wall St. Rank held Tetra Tech as of Q1 2026.

Based on Robeco Schweiz's 13F filing for Q1 2026, filed 7 May 2026.