TETRA TECH INC TTEK

US Services media Services-Engineering Services
$29.90
+2.5%
52w: $26.18 – $42.43

Latest 13F among current holders filed 11 days ago (Jun 24, 2026)

Price — last 12 months

research preview data
26.1834.3042.43
Jun 20, 2025 Jul 2, 2026
Institutional holders
598
-21 QoQ
13F value
$7.50B
-9.5% QoQ
Smart-money holders
33
signal tier ≥ 2
New smart buyers
6
Q1 2026
Options barometer
0.1×
$4.0M calls / $38.0M puts

Institutional value by quarter

$9.52B
Q1 2024
$9.95B
Q2 2024
$11.35B
Q3 2024
$9.49B
Q4 2024
$7.23B
Q1 2025
$9.01B
Q2 2025
$8.42B
Q3 2025
$8.28B
Q4 2025
$7.50B
Q1 2026

Number of holders

513
Q1 2024
601
Q2 2024
649
Q3 2024
644
Q4 2024
579
Q1 2025
594
Q2 2025
605
Q3 2025
619
Q4 2025
598
Q1 2026

Who owns TTEK?

Q1 2026 filings
FundTypeSharesValue% of fundChange
BlackRock, Inc. Index provider26.8M$806.9M0.0%+4.1%
VANGUARD PORTFOLIO MANAGEMENT LLC Diversified mechanical12.6M$380.8M0.0%
VANGUARD CAPITAL MANAGEMENT LLC Diversified mechanical11.7M$352.7M0.0%
Capital International Investors Long only active11.4M$342.9M0.1%+26.3%
Pictet Asset Management Holding SA Diversified mechanical9.6M$290.5M0.3%-13.9%
STATE STREET CORP Index provider9.6M$290.2M0.0%+2.2%
NEUBERGER BERMAN GROUP LLC Diversified mechanical7.3M$219.0M0.2%-13.0%
SANDS CAPITAL MANAGEMENT, LLC ★2Fundamental diversified6.7M$200.6M0.8%-5.0%
GEODE CAPITAL MANAGEMENT, LLC Index provider5.2M$157.2M0.0%+2.7%
FIL Ltd Other4.8M$145.6M0.1%+3.5%
WELLINGTON MANAGEMENT GROUP LLP Long only active4.8M$144.7M0.0%+355.2%
Amundi Diversified mechanical4.7M$143.1M0.0%-6.8%
Van Berkom & Associates Inc. Other4.6M$137.7M2.3%+99.4%
Impax Asset Management Group plc Other3.8M$115.4M0.8%+19.4%
DIMENSIONAL FUND ADVISORS LP Quant stat arb3.8M$114.1M0.0%+3.1%
FERNBRIDGE CAPITAL MANAGEMENT LP ★3Fundamental concentrated3.4M$102.4M6.6%+10.9%
FULLER & THALER ASSET MANAGEMENT, INC. Other3.3M$99.8M0.3%New
LGT Group Foundation Other3.2M$95.2M1.2%+3.3%
ALLIANCEBERNSTEIN L.P. Long only active2.8M$94.2M0.0%-8.8%
Invesco Ltd. Index provider2.9M$88.4M0.0%+14.2%
Ninety One UK Ltd Other2.7M$82.3M0.2%-2.5%
FIRST TRUST ADVISORS LP Index provider2.4M$73.7M0.1%+47.6%
Bank of New York Mellon Corp Diversified mechanical2.3M$70.7M0.0%-0.3%
NORTHERN TRUST CORP Index provider2.3M$69.9M0.0%-1.3%
M&G PLC Other2.3M$69.6M0.4%-3.6%
Robeco Schweiz AG Other2.3M$68.9M1.5%-2.6%
MORGAN STANLEY Bank broker2.2M$67.5M0.0%-3.5%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC Index provider2.2M$67.4M0.0%+3.6%
AMERIPRISE FINANCIAL INC Bank broker2.0M$60.9M0.0%-22.7%
AVIVA PLC Other1.9M$58.0M0.1%-5.5%
GOLDMAN SACHS GROUP INC Bank broker1.9M$58.0M0.0%+24.0%
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Index provider1.9M$57.8M0.1%+5.1%
KING LUTHER CAPITAL MANAGEMENT CORP Other1.8M$53.8M0.2%+12.2%
CITADEL ADVISORS LLC Multistrat pod1.7M$52.4M0.0%+3341.0%
DEUTSCHE BANK AG\ Bank broker1.7M$52.2M0.0%+25.1%
Allianz Asset Management GmbH Diversified mechanical1.7M$52.1M0.1%+9.0%
VANGUARD FIDUCIARY TRUST CO Diversified mechanical1.6M$49.0M0.0%
Quantinno Capital Management LP Diversified mechanical1.6M$46.7M0.1%+2.2%
AQR CAPITAL MANAGEMENT LLC Quant stat arb1.5M$45.4M0.0%-47.3%
BESSEMER GROUP INC Diversified mechanical1.4M$43.1M0.1%+2.6%
Aberdeen Group plc Other1.4M$42.8M0.1%-5.1%
Corient Private Wealth LLC Diversified mechanical1.4M$41.8M0.1%-55.7%
BANK OF AMERICA CORP /DE/ Bank broker1.4M$41.3M0.0%-32.1%
NEUMEIER POMA INVESTMENT COUNSEL LLC ★2Fundamental diversified1.3M$39.3M3.2%+15.7%
PGGM Investments Other1.3M$37.8M0.7%-9.2%
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC Bank broker1.1M$34.6M0.0%+1.4%
Capital Research Global Investors Long only active1.1M$33.2M0.0%-37.9%
TUDOR INVESTMENT CORP ET AL Quant stat arb30.1M$31.6M0.2%New
JANUS HENDERSON GROUP PLC Diversified mechanical1.0M$31.0M0.0%-47.5%
L1 Capital International Pty Ltd ★3Fundamental concentrated956.2K$28.8M1.7%New

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