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Tetra Tech

587 hedge funds and large institutions have $8.94B invested in Tetra Tech in 2025 Q2 according to their latest regulatory filings, with 106 funds opening new positions, 210 increasing their positions, 202 reducing their positions, and 77 closing their positions.

New
Increased
Maintained
Reduced
Closed

38% more first-time investments, than exits

New positions opened: 106 | Existing positions closed: 77

24% more capital invested

Capital invested by funds: $7.18B → $8.94B (+$1.76B)

17% more funds holding in top 10

Funds holding in top 10: 67 (+1)

4% more funds holding

Funds holding: 565587 (+22)

3.04% more ownership

Funds ownership: 91.6%94.64% (+3%)

4% more repeat investments, than reductions

Existing positions increased: 210 | Existing positions reduced: 202

48% less call options, than puts

Call options by funds: $22.6M | Put options by funds: $43.2M

Holders
587
Holders Change
+22
Holders Change %
+3.89%
% of All Funds
7.73%
Holding in Top 10
7
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+16.67%
% of All Funds
0.09%
New
106
Increased
210
Reduced
202
Closed
77
Calls
$22.6M
Puts
$43.2M
Net Calls
-$20.6M
Net Calls Change
+$10.6M
Name Holding Trade Value Shares
Change
Change in
Stake
State of Wisconsin Investment Board
101
State of Wisconsin Investment Board
Wisconsin
$11.4M -$1.75M -52,619 -14%
TAM
102
Thematics Asset Management
France
$11.4M +$3.89M +117,000 +59%
KCM
103
Kingdon Capital Management
New York
$11.3M +$10.5M +315,000 New
DPIM
104
Duff & Phelps Investment Management
Illinois
$11.2M
EP
105
Edgestream Partners
New Jersey
$11.1M +$2.27M +68,057 +28%
VanEck Associates
106
VanEck Associates
New York
$11M -$1.32M -39,531 -11%
WJWM
107
Williams Jones Wealth Management
New York
$11M -$3.31M -99,383 -25%
PL
108
Perpetual Ltd
Australia
$10.7M +$34.6K +1,040 +0.4%
RIG
109
Renaissance Investment Group
Massachusetts
$10.5M +$18.1K +544 +0.2%
Los Angeles Capital Management
110
Los Angeles Capital Management
California
$10.3M +$9.53M +286,146 New
AG
111
Algert Global
California
$9.95M +$388K +11,647 +4%
Macquarie Group
112
Macquarie Group
Australia
$9.89M -$106K -3,183 -1%
DekaBank Deutsche Girozentrale
113
DekaBank Deutsche Girozentrale
Germany
$9.89M
RCW
114
Rheos Capital Works
Japan
$9.67M -$13.8M -415,000 -61%
Skandinaviska Enskilda Banken (SEB)
115
Skandinaviska Enskilda Banken (SEB)
Sweden
$9.66M +$1.25M +37,518 +16%
AQR Capital Management
116
AQR Capital Management
Connecticut
$9.44M +$3.99M +119,751 +83%
New York State Teachers Retirement System (NYSTRS)
117
New York State Teachers Retirement System (NYSTRS)
New York
$8.93M
Mercer Global Advisors
118
Mercer Global Advisors
Colorado
$8.85M +$67.2K +2,020 +0.8%
California State Teachers Retirement System (CalSTRS)
119
California State Teachers Retirement System (CalSTRS)
California
$8.58M -$577K -17,329 -7%
Barclays
120
Barclays
United Kingdom
$8.38M -$386K -11,596 -5%
William Blair & Company
121
William Blair & Company
Illinois
$8.36M +$3.54M +106,412 +84%
Asset Management One
122
Asset Management One
Japan
$8.28M -$1.33M -39,808 -15%
ACM
123
Aquatic Capital Management
Illinois
$8.21M +$407K +12,221 +6%
OPW
124
Osprey Private Wealth
New York
$8.01M +$84.9K +2,550 +1%
GIA
125
GHP Investment Advisors
Colorado
$7.95M +$455K +13,671 +7%

TTEK Hedge Fund Activity: Q2 2025 in Review

587 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Tetra Tech (TTEK) for Q2 2025, worth a combined $8.94B — up 24% from $7.18B a quarter earlier.

Buyers outnumbered sellers: 106 funds opened new TTEK positions and 77 closed out — a net gain of 29 holders — while 210 added to existing stakes and 202 trimmed.

The largest buyer was Capital Research Global Investors, opening a new position worth an estimated $59.5M. The largest seller was Invesco, cutting an estimated $36.8M.

  • 587 institutional investors held Tetra Tech (TTEK) as of Q2 2025, up from 565 in Q1 2025.
  • Funds reported $8.94B of Tetra Tech stock for Q2 2025, up 24% quarter-over-quarter.
  • 106 funds opened new Tetra Tech positions in Q2 2025 and 77 closed out, a net change of +29 holders.
  • The largest Tetra Tech buyer in Q2 2025 was Capital Research Global Investors, an estimated $59.5M added.
  • The largest Tetra Tech seller in Q2 2025 was Invesco, an estimated $36.8M sold.

Based on aggregated 13F filings for Q2 2025.