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Tetra Tech

586 hedge funds and large institutions have $7.35B invested in Tetra Tech in 2026 Q1 according to their latest regulatory filings, with 74 funds opening new positions, 199 increasing their positions, 227 reducing their positions, and 85 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

less funds holding

Funds holding:

less capital invested

Capital invested by funds: $ → $

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

13% less first-time investments, than exits

New positions opened: 74 | Existing positions closed: 85

29% less funds holding in top 10

Funds holding in top 10: 75 (-2)

91% less call options, than puts

Call options by funds: $4.07M | Put options by funds: $43.3M

Holders
586
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
5
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$4.07M
Puts
$43.3M
Net Calls
Net Calls Change

Top Buyers

1 +$133M
2 +$117M
3 +$83.7M
4
Citadel Advisors
Citadel Advisors
Florida
+$59.7M
5
BlackRock
BlackRock
New York
+$37.4M
Name Holding Trade Value Shares
Change
Change in
Stake
Russell Investments Group
101
Russell Investments Group
United Kingdom
$9.94M
Fidelity Investments
102
Fidelity Investments
Massachusetts
$9.89M
SEI Investments
103
SEI Investments
Pennsylvania
$9.49M
Baillie Gifford & Co
104
Baillie Gifford & Co
United Kingdom
$9.44M
NAMI
105
Nomura Asset Management International
Pennsylvania
$9.38M
IIM
106
INTECH Investment Management
Florida
$9.32M
State of Wisconsin Investment Board
107
State of Wisconsin Investment Board
Wisconsin
$9M
RIG
108
Renaissance Investment Group
Massachusetts
$8.89M
California State Teachers Retirement System (CalSTRS)
109
California State Teachers Retirement System (CalSTRS)
California
$8.75M
SFM
110
Systematic Financial Management
New Jersey
$8.63M
DekaBank Deutsche Girozentrale
111
DekaBank Deutsche Girozentrale
Germany
$8.44M
Millennium Management
112
Millennium Management
New York
$8.03M
New York State Teachers Retirement System (NYSTRS)
113
New York State Teachers Retirement System (NYSTRS)
New York
$7.97M
BG
114
Bahl & Gaynor
Ohio
$7.86M
CS
115
Candriam SCA
Luxembourg
$7.81M
WJWM
116
Williams Jones Wealth Management
New York
$7.72M
Bank of Montreal
117
Bank of Montreal
Ontario, Canada
$7.6M
YIH
118
Y-Intercept (HK)
Hong Kong
$7.36M
HI
119
HBK Investments
Texas
$7.2M
GIA
120
GHP Investment Advisors
Colorado
$6.82M
Man Group
121
Man Group
United Kingdom
$6.55M
DIA
122
Dana Investment Advisors
Wisconsin
$6.48M
BA
123
Bridgewater Associates
Connecticut
$6.44M
CIS
124
Capital International Sarl
California
$6.37M
DPIM
125
Duff & Phelps Investment Management
Illinois
$6.36M