David A. Siegel Tetra Tech Inc Transaction History

Two Sigma Advisers, LP

$42.8 Billion
Q1 2025

A detailed history of David A. Siegel (Two Sigma Advisers, LP) transactions in Tetra Tech Inc stock. As of the latest transaction made, Two Sigma Advisers, LP holds 496,200 shares of TTEK stock, worth $17.6 Million. This represents 0.03% of its overall portfolio holdings.

Number of Shares

496,200

Previous 185,700 167.21%

Holding current value

$17.6 Million

Previous $7.4 Million 96.17%

% of portfolio

0.03%

Previous 0.02%

29 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q1 2025 May 15, 2025	BUY	$28.26 - $42.58 $8.77 Million - $13.2 Million	310,500 Added 167.21%	496,200 $14.5 Million
Q4 2024 Feb 14, 2025	BUY	$39.8 - $50.52 $4.27 Million - $5.42 Million	107,300 Added 136.86%	185,700 $7.4 Million
Q3 2024 Nov 14, 2024	BUY	$45.59 - $237.74 $3.49 Million - $18.2 Million	76,600 Added 4255.56%	78,400 $3.7 Million
Q2 2024 Aug 14, 2024	BUY	$184.08 - $220.4 $331,344 - $396,720	1,800 New	1,800 $368,000
Q3 2023 Nov 14, 2023	SELL	$151.71 - $172.29 $925,431 - $1.05 Million	-6,100 Reduced 43.26%	8,000 $1.22 Million
Q2 2023 Aug 14, 2023	SELL	$132.63 - $164.02 $145,893 - $180,422	-1,100 Reduced 7.24%	14,100 $2.31 Million
Q1 2023 May 15, 2023	SELL	$132.66 - $157.87 $3.29 Million - $3.92 Million	-24,800 Reduced 62.0%	15,200 $2.23 Million
Q4 2022 Feb 14, 2023	BUY	$123.25 - $162.53 $1.22 Million - $1.61 Million	9,900 Added 32.89%	40,000 $5.81 Million
Q3 2022 Nov 14, 2022	BUY	$124.45 - $153.27 $149,340 - $183,924	1,200 Added 4.15%	30,100 $3.87 Million
Q2 2022 Aug 15, 2022	BUY	$119.47 - $167.18 $418,145 - $585,130	3,500 Added 13.78%	28,900 $3.95 Million
Q1 2022 May 16, 2022	BUY	$128.6 - $172.35 $411,520 - $551,520	3,200 Added 14.41%	25,400 $4.19 Million
Q4 2021 Feb 14, 2022	SELL	$151.16 - $190.38 $362,784 - $456,912	-2,400 Reduced 9.76%	22,200 $3.77 Million
Q3 2021 Nov 15, 2021	SELL	$121.48 - $153.26 $145,776 - $183,912	-1,200 Reduced 4.65%	24,600 $3.67 Million
Q2 2021 Aug 16, 2021	SELL	$116.17 - $143.73 $429,829 - $531,801	-3,700 Reduced 12.54%	25,800 $3.15 Million
Q1 2021 May 17, 2021	SELL	$114.17 - $143.19 $1.18 Million - $1.47 Million	-10,300 Reduced 25.88%	29,500 $4 Million
Q4 2020 Feb 16, 2021	SELL	$97.16 - $125.19 $514,948 - $663,507	-5,300 Reduced 11.75%	39,800 $4.61 Million
Q3 2020 Nov 16, 2020	SELL	$75.56 - $96.21 $249,348 - $317,493	-3,300 Reduced 6.82%	45,100 $4.31 Million
Q2 2020 Aug 14, 2020	BUY	$65.94 - $84.12 $65,940 - $84,120	1,000 Added 2.11%	48,400 $3.83 Million
Q1 2020 May 15, 2020	SELL	$67.02 - $98.26 $764,028 - $1.12 Million	-11,400 Reduced 19.39%	47,400 $3.35 Million
Q4 2019 Feb 14, 2020	SELL	$81.47 - $89.54 $1.82 Million - $2 Million	-22,300 Reduced 27.5%	58,800 $5.07 Million
Q3 2019 Nov 14, 2019	SELL	$75.17 - $86.76 $343,902 - $396,927	-4,575 Reduced 5.34%	81,100 $7.04 Million
Q2 2019 Aug 14, 2019	SELL	$59.4 - $78.55 $2.25 Million - $2.97 Million	-37,800 Reduced 30.61%	85,675 $6.73 Million
Q1 2019 May 15, 2019	BUY	$48.61 - $60.64 $2.9 Million - $3.62 Million	59,700 Added 93.61%	123,475 $7.36 Million
Q4 2018 Feb 14, 2019	BUY	$49.08 - $72.33 $1.02 Million - $1.51 Million	20,868 Added 48.64%	63,775 $3.3 Million
Q3 2018 Nov 14, 2018	BUY	$59.15 - $71.75 $804,440 - $975,800	13,600 Added 46.41%	42,907 $2.93 Million
Q2 2018 Aug 14, 2018	SELL	$47.65 - $58.5 $576,565 - $707,850	-12,100 Reduced 29.22%	29,307 $1.71 Million
Q1 2018 May 15, 2018	SELL	$45.4 - $53.0 $621,980 - $726,100	-13,700 Reduced 24.86%	41,407 $2.03 Million
Q4 2017 Feb 14, 2018	SELL	$47.05 - $50.7 $216,430 - $233,220	-4,600 Reduced 7.7%	55,107 $2.65 Million
Q3 2017 Nov 14, 2017	BUY	$40.25 - $47.95 $2.4 Million - $2.86 Million	59,707	59,707 $2.78 Million

Others Institutions Holding TTEK

# of Institutions

627

Shares Held

223M

Call Options Held

496K

Put Options Held

1.37M

View Full List

About TETRA TECH INC

Ticker TTEK
Exchange NASDAQ
Sector Industrials
Industry Engineering & Construction
Shares Outstandng 53,318,700
Market Cap $1.89B
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...

More about TTEK

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