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Tetra Tech

587 hedge funds and large institutions have $7.35B invested in Tetra Tech in 2026 Q1 according to their latest regulatory filings, with 73 funds opening new positions, 200 increasing their positions, 228 reducing their positions, and 84 closing their positions.

New
Increased
Maintained
Reduced
Closed

0.05% more ownership

Funds ownership: 93.3%93.36% (+0.05%)

3% less funds holding

Funds holding: 608587 (-21)

11% less capital invested

Capital invested by funds: $8.22B → $7.35B (-$870M)

12% less repeat investments, than reductions

Existing positions increased: 200 | Existing positions reduced: 228

13% less first-time investments, than exits

New positions opened: 73 | Existing positions closed: 84

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
587
Holders Change
-21
Holders Change %
-3.45%
% of All Funds
7.23%
Holding in Top 10
5
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-28.57%
% of All Funds
0.06%
New
73
Increased
200
Reduced
228
Closed
84
Calls
$4.07M
Puts
$43.3M
Net Calls
-$39.3M
Net Calls Change
-$684K
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$807M +$37.4M +1,058,777 +4%
VPM
2
Vanguard Portfolio Management
Pennsylvania
$381M +$447M +12,643,094 New
VCM
3
Vanguard Capital Management
Pennsylvania
$353M +$414M +11,709,151 New
Capital International Investors
4
Capital International Investors
California
$343M +$83.7M +2,368,690 +26%
Pictet Asset Management
5
Pictet Asset Management
Switzerland
$290M -$55.1M -1,559,554 -14%
State Street
6
State Street
Massachusetts
$290M +$7.48M +211,666 +2%
Neuberger Berman Group
7
Neuberger Berman Group
New York
$219M -$38.2M -1,081,564 -13%
Sands Capital Management
8
Sands Capital Management
Virginia
$201M -$12.3M -348,181 -5%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$157M +$4.78M +135,106 +3%
Fidelity International
10
Fidelity International
Bermuda
$146M +$5.82M +164,714 +4%
Wellington Management Group
11
Wellington Management Group
Massachusetts
$145M +$133M +3,748,775 +355%
Amundi
12
Amundi
France
$143M -$12.2M -346,550 -7%
Impax Asset Management Group
13
Impax Asset Management Group
United Kingdom
$115M +$22M +621,884 +19%
Dimensional Fund Advisors
14
Dimensional Fund Advisors
Texas
$114M +$3.98M +112,560 +3%
FCM
15
Fernbridge Capital Management
California
$102M +$11.8M +333,934 +11%
Fuller & Thaler Asset Management
16
Fuller & Thaler Asset Management
California
$99.8M +$117M +3,314,443 New
LGF
17
LGT Group Foundation
Liechtenstein
$95.2M +$3.55M +100,419 +3%
AllianceBernstein
18
AllianceBernstein
Tennessee
$94.2M -$9.6M -271,534 -9%
Invesco
19
Invesco
Georgia
$88.4M +$12.9M +364,793 +14%
Ninety One (UK)
20
Ninety One (UK)
United Kingdom
$82.3M -$2.52M -71,270 -3%
First Trust Advisors
21
First Trust Advisors
Illinois
$73.7M +$27.9M +788,491 +48%
Bank of New York Mellon
22
Bank of New York Mellon
New York
$70.7M -$280K -7,911 -0.3%
Northern Trust
23
Northern Trust
Illinois
$69.9M -$1.08M -30,612 -1%
MGP
24
M&G plc
United Kingdom
$69.6M -$3.08M -87,052 -4%
RS
25
Robeco Schweiz
Switzerland
$68.9M -$2.12M -59,854 -3%