CANADA PENSION PLAN INVESTMENT BOARD

Pension

Position in TTEK — Tetra Tech Inc

CIK 1283718 TORONTO ONTARIO, A6

Position in TTEK

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$9,233,244

+$4,408,020 QoQ

Shares Held

319,600

+99.5% QoQ

Ownership

0.125%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#99

of 543 holders

Holding Since

Jun 2020

13 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

CANADA PENSION PLAN INVESTMENT BOARD holds $571,978,346 across 23 Engineering & Construction names. TTEK ranks #8 (1.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MTZ	Mastec Inc	619,910	$257,919,754
2	STN	Stantec Inc	1,147,215	$79,054,585
3	FIX	Comfort Systems USA Inc	32,880	$65,166,516
4	FER	Ferrovial N.V.	509,081	$34,928,047
5	PWR	Quanta Services, Inc.	45,717	$32,918,068
6	EME	EMCOR Group, Inc.	35,140	$29,161,983
7	PRIM	Primoris Services Corp	248,068	$24,588,500
8	TTEK	Tetra Tech Inc This page	319,600	$9,233,244

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$9,233,244	319,600	+99.5%	Shares	Sole	2026-08-14
2026-03-31	$4,825,224	160,200	+621.6%	Shares	Sole	2026-05-15
2025-12-31	$744,588	22,200	+753.8%	Shares	Sole	2026-02-17
2025-09-30	$86,788	2,600	0.0%	Shares	Sole	2025-11-13
2025-06-30	$93,496	2,600	+6.1%	Shares	Sole	2025-08-14
2025-03-31	$71,691	2,451	-62.3%	Shares	Sole	2025-05-15
2024-09-30	$306,540	6,500	+983.3%	Shares	Sole	2024-11-14
2024-06-30	$122,688	600	-98.4%	Shares	Sole	2024-08-12
2023-03-31	$5,656,035	38,500	+31.4%	Shares	Sole	2023-05-15
2022-12-31	$4,254,067	29,300	+181.7%	Shares	Sole	2023-02-14
2022-09-30	$1,336,712	10,400	+940.0%	Shares	Sole	2022-11-14
2022-06-30	$136,550	1,000	-16.7%	Shares	Sole	2022-08-12
2020-06-30	$94,944	1,200	—	Shares	Sole	2020-08-14
No filing history on record for this holder in this stock.