Robeco Institutional Asset Management B.V. Tetra Tech Inc Transaction History

Robeco Institutional Asset Management B.V.

$60.3 Billion
Q2 2025

A detailed history of Robeco Institutional Asset Management B.V. transactions in Tetra Tech Inc stock. As of the latest transaction made, Robeco Institutional Asset Management B.V. holds 650,498 shares of TTEK stock, worth $21.7 Million. This represents 0.04% of its overall portfolio holdings.

Number of Shares

650,498

Previous 582,409 11.69%

Holding current value

$21.7 Million

Previous $17 Million 37.31%

% of portfolio

0.04%

Previous 0.03%

20 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Jul 18, 2025	BUY	$28.01 - $36.25 $1.91 Million - $2.47 Million	68,089 Added 11.69%	650,498 $23.4 Million
Q1 2025 Apr 23, 2025	BUY	$28.26 - $42.58 $60,052 - $90,482	2,125 Added 0.37%	582,409 $17 Million
Q4 2024 Jan 22, 2025	BUY	$39.8 - $50.52 $18.3 Million - $23.2 Million	459,899 Added 382.02%	580,284 $23.1 Million
Q3 2024 Oct 29, 2024	BUY	$45.59 - $237.74 $4.16 Million - $21.7 Million	91,285 Added 313.69%	120,385 $5.67 Million
Q2 2024 Jul 22, 2024	SELL	$184.08 - $220.4 $1.52 Million - $1.82 Million	-8,244 Reduced 22.08%	29,100 $5.95 Million
Q1 2024 Apr 24, 2024	BUY	$158.18 - $186.82 $99,653 - $117,696	630 Added 1.72%	37,344 $6.9 Million
Q4 2023 Feb 14, 2024	BUY	$144.77 - $168.39 $173,579 - $201,899	1,199 Added 3.38%	36,714 $6.13 Million
Q4 2023 Feb 08, 2024	SELL	$144.77 - $168.39 $66,015 - $76,785	-456 Reduced 1.27%	35,515 $36.7 Million
Q3 2023 Oct 23, 2023	BUY	$151.71 - $172.29 $629,444 - $714,831	4,149 Added 13.04%	35,971 $5.47 Million
Q2 2023 Jul 24, 2023	BUY	$132.63 - $164.02 $4.09 Million - $5.06 Million	30,841 Added 3143.83%	31,822 $5.21 Million
Q1 2023 May 03, 2023	BUY	$132.66 - $157.87 $130,139 - $154,870	981 New	981 $144,000
Q3 2022 Dec 01, 2022	BUY	$124.45 - $153.27 $137,143 - $168,903	1,102 Added 2248.98%	1,151 $148,000
Q3 2022 Oct 26, 2022	BUY	$124.45 - $153.27 $137,143 - $168,903	1,102 Added 2248.98%	1,151 $148,000
Q2 2022 Dec 01, 2022	SELL	$119.47 - $167.18 $131,655 - $184,232	-1,102 Reduced 95.74%	49 $7,000
Q2 2022 Jul 27, 2022	BUY	$119.47 - $167.18 $5,854 - $8,191	49 New	49 $7,000
Q3 2020 Oct 29, 2020	SELL	$75.56 - $96.21 $33,473 - $42,621	-443 Closed	0 $0
Q2 2020 Jul 20, 2020	SELL	$65.94 - $84.12 $1.8 Million - $2.3 Million	-27,348 Reduced 98.41%	443 $35,000
Q4 2019 Feb 06, 2020	SELL	$81.47 - $89.54 $105,340 - $115,775	-1,293 Reduced 4.45%	27,791 $2.4 Million
Q1 2019 May 02, 2019	BUY	$48.61 - $60.64 $796,620 - $993,768	16,388 Added 129.08%	29,084 $1.73 Million
Q4 2018 Feb 08, 2019	BUY	$49.08 - $72.33 $623,119 - $918,301	12,696 New	12,696 $652,000

Others Institutions Holding TTEK

# of Institutions

657

Shares Held

225M

Call Options Held

618K

Put Options Held

1.14M

View Full List

About TETRA TECH INC

Ticker TTEK
Exchange NASDAQ
Sector Industrials
Industry Engineering & Construction
Shares Outstandng 53,318,700
Market Cap $1.78B
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...

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Robeco Institutional Asset Management B.V. Tetra Tech Inc Transaction History