TTEK

TETRA TECH INC
USCUSIP 88162G103
Institutional Owners
229
+27 QoQ
13F Value Held
$2.0B
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
0
Smart-money sentimentBullish
BearishBullish
13F funds (latest Q)63 adding · 33 trimming
Insider net (180d)+$0
Price history not yet available for TTEK.

Top institutional holders

229 13F filers
#FundPosition valueSharesLast moveAs of
1VANGUARD PORTFOLIO MANAGEMENT LLC
$380.8M
12.64MNewQ1 2026
2VANGUARD CAPITAL MANAGEMENT LLC
$352.7M
11.71MNewQ1 2026
3STATE STREET CORP
$290.2M
9.64MAddedQ1 2026
4SANDS CAPITAL MANAGEMENT, LLC
$200.6M
6.66MReducedQ1 2026
5Impax Asset Management Group plc
$115.4M
3.83MAddedQ1 2026
6FULLER & THALER ASSET MANAGEMENT, INC.
$99.8M
3.31MNewQ1 2026
7Robeco Schweiz AG
$68.9M
2.29MReducedQ1 2026
8AVIVA PLC
$58.0M
1.93MReducedQ1 2026
9VANGUARD FIDUCIARY TRUST CO
$49.0M
1.63MNewQ1 2026
10L1 Capital International Pty Ltd
$28.8M
956.2KNewQ1 2026
11TRILLIUM ASSET MANAGEMENT, LLC
$18.6M
600.4KAddedQ1 2026
12MIROVA
$18.4M
611.7KAddedQ1 2026
13Zurcher Kantonalbank (Zurich Cantonalbank)
$18.2M
602.7KAddedQ1 2026
14BANK OF NOVA SCOTIA
$17.8M
589.5KAddedQ1 2026
15Point72 Asset Management, L.P.
$16.3M
542.3KNewQ1 2026
16Sarasin & Partners LLP
$13.1M
436.2KAddedQ1 2026
17Tidal Investments LLC
$11.6M
384.3KAddedQ1 2026
18SEB Asset Management AB
$11.3M
374.0KNewQ1 2026
19Perpetual Ltd
$11.1M
370.0KAddedQ1 2026
20VOLORIDGE INVESTMENT MANAGEMENT, LLC
$10.7M
355.8KReducedQ1 2026
21Connor, Clark & Lunn Investment Management Ltd.
$10.5M
349.1KReducedQ1 2026
22INTECH INVESTMENT MANAGEMENT LLC
$9.3M
309.5KAddedQ1 2026
23SYSTEMATIC FINANCIAL MANAGEMENT LP
$8.1M
270.0KAddedQ1 2026
24Candriam S.C.A.
$7.8M
259.4KNewQ1 2026
25Williams Jones Wealth Management, LLC.
$7.7M
256.3KAddedQ1 2026

Fund activity — latest quarter

Opened (NEW)
22
funds
Added
41
funds
Reduced
33
funds
Exited
0
funds

Insider activity (Form 4)

No Form 4 insider transactions on file yet.

Institutional ownership over time

219 funds+217 since Q2 2022
0110219Q2 2022Q1 2023Q4 2023Q3 2024Q2 2025Q1 2026
funds holding aggregate valuelatest $1.7B

Funds that own TTEK also own

CompanyCo-held byCombined value
Microsoft CorporationMSFT220 funds$194.5B
Nvidia Corp. (US)NVDA219 funds$287.0B
Lilly Eli & CoLLY219 funds$53.3B
Broadcom LtdAVGO216 funds$100.1B
Apple Inc.AAPL215 funds$246.6B
Amazon.com, Inc.AMZN214 funds$141.3B
Meta Platforms Inc.META214 funds$85.1B
Netflix, Inc.NFLX214 funds$28.1B
GOOGLE INCGOOGL213 funds$120.2B
Visa Inc. Class AV213 funds$42.8B
Jpmorgan Chase & Co - USJPM212 funds$62.4B
Mastercard Incorporated Class AMA212 funds$33.0B

Ranked by how many of TTEK's institutional holders also hold each name — a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

0 shown

No filings captured for this ticker in the live stream yet.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for TTEK. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.