Public Sector Pension Investment Board (PSP Investments)’s Tetra Tech TTEK Stock Holding History

Public Sector Pension Investment Board (PSP Investments)’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	$4.06M	Buy	+134,888	New	+$4.77M	0.01%	988
2019 Q3	–	Sell	-640,980	Closed	-$10.1M	–	1493
2019 Q2	$10.1M	Sell	640,980 -109,935	-15%	-$1.48M	0.08%	211
2019 Q1	$8.95M	Buy	750,915 +508,250	+209%	+$5.7M	0.08%	205
2018 Q4	$2.51M	Buy	242,665 +48,500	+25%	+$602K	0.02%	518
2018 Q3	$2.65M	Buy	194,165 +15,895	+9%	+$210K	0.02%	516
2018 Q2	$2.09M	Hold	178,270	–	–	0.01%	474
2018 Q1	$1.75M	Hold	178,270	–	–	0.01%	496
2017 Q4	$1.72M	Hold	178,270	–	–	0.01%	580
2017 Q3	$1.66M	Buy	178,270 +30,125	+20%	+$265K	0.01%	544
2017 Q2	$1.36M	Sell	148,145 -58,500	-28%	-$521K	0.01%	592
2017 Q1	$1.69M	Buy	206,645 +3,500	+2%	+$29K	0.02%	680
2016 Q4	$1.75M	Hold	203,145	–	–	0.02%	659
2016 Q3	$1.44M	Sell	203,145 -4,500	-2%	-$30.5K	0.02%	686
2016 Q2	$1.28M	Hold	207,645	–	–	0.01%	680
2016 Q1	$1.24M	Hold	207,645	–	–	0.01%	642
2015 Q4	$1.08M	Sell	207,645 -124,000	-37%	-$662K	0.01%	750
2015 Q3	$1.61M	Sell	331,645 -133,500	-29%	-$683K	0.01%	725
2015 Q2	$2.38M	Sell	465,145 -117,000	-20%	-$599K	0.02%	734
2015 Q1	$2.8M	Sell	582,145 -6,740	-1%	-$33.3K	0.02%	716
2014 Q4	$3.15M	Sell	588,885 -14,000	-2%	-$73.2K	0.02%	643
2014 Q3	$3.01M	Sell	602,885 -109,500	-15%	-$570K	0.02%	656
2014 Q2	$3.92M	Buy	712,385 +57,445	+9%	+$314K	0.02%	604
2014 Q1	$3.88M	Sell	654,940 -126,000	-16%	-$734K	0.02%	561
2013 Q4	$4.37M	Buy	780,940 +5,000	+0.6%	+$27K	0.03%	546
2013 Q3	$4.02M	Buy	775,940 +165,000	+27%	+$791K	0.02%	533
2013 Q2	$2.87M	Buy	+610,940	New	+$3.24M	0.02%	586

Other funds holding TTEK

BlackRock New York $6.73T AUM 46.02% 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 Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return

Sands Capital Management Arlington, Virginia $25.5B AUM 26.46% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return

Public Sector Pension Investment Board (PSP Investments)'s TTEK Position: Q1 2026 in Review

Public Sector Pension Investment Board (PSP Investments) opened a new position in Tetra Tech (TTEK) in Q1 2026: 134,888 shares worth $4.06M. The stake represents 0.01% of the portfolio and ranks #988 among its holdings. This is a return to the name: Public Sector Pension Investment Board (PSP Investments) previously reported a position in TTEK as recently as Q2 2019.

Public Sector Pension Investment Board (PSP Investments) first reported a position in TTEK in Q2 2013 and has held it in 26 quarters since. The position peaked at $10.1M in Q2 2019. 589 funds tracked by Wall St. Rank hold TTEK as of Q1 2026.

Public Sector Pension Investment Board (PSP Investments) held 134,888 shares of Tetra Tech worth $4.06M as of Q1 2026.
Tetra Tech was a new Public Sector Pension Investment Board (PSP Investments) position in Q1 2026.
Tetra Tech made up 0.01% of Public Sector Pension Investment Board (PSP Investments)'s portfolio in Q1 2026, its #988 holding.
Public Sector Pension Investment Board (PSP Investments) first reported a position in Tetra Tech in Q2 2013 and has held it in 26 quarters since.
Public Sector Pension Investment Board (PSP Investments)'s Tetra Tech position peaked at $10.1M in Q2 2019.
589 funds tracked by Wall St. Rank held Tetra Tech as of Q1 2026.

Based on Public Sector Pension Investment Board (PSP Investments)'s 13F filing for Q1 2026, filed 13 May 2026.