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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
CSS
601
Cubist Systematic Strategies
Connecticut
-$4.96M -149,043 Closed
SIM
602
Stratos Investment Management
Ohio
-$3.21M -109,890 Closed
Lazard Asset Management
603
Lazard Asset Management
New York
-$2.42M -82,674 Closed
II
604
Inspire Investing
Idaho
-$2.19M -74,727 Closed
ICP
605
Ilex Capital Partners
United Kingdom
-$1.75M -59,665 Closed
TC
606
TwinBeech Capital
New York
-$1.67M -57,234 Closed
IG
607
ING Group
Netherlands
-$1.48M -50,500 Closed
DFCM
608
Dark Forest Capital Management
Puerto Rico
-$1.12M -38,357 Closed
Tudor Investment Corp
609
Tudor Investment Corp
Connecticut
-$1.22M -36,573 Closed
OC
610
Oppenheimer & Co
New York
-$1.03M -35,357 Closed
SRL
611
Scientech Research LLC
New Jersey
-$886K -30,282 Closed
CAU
612
Caxton Associates (UK)
-$867K -29,642 Closed
SLI
613
Sumitomo Life Insurance
Japan
-$850K -29,059 Closed
PI
614
PineBridge Investments
New York
-$750K -25,648 Closed
N
615
Numerai
California
-$748K -25,573 Closed
Impax Asset Management Group
616
Impax Asset Management Group
United Kingdom
-$720K -24,600 Closed
CC
617
Centiva Capital
New York
-$658K -22,486 Closed
Simplex Trading
618
Simplex Trading
Illinois
-$714K -21,451 Closed
AIM
619
Aigen Investment Management
New York
-$532K -18,187 Closed
NICM
620
Neo Ivy Capital Management
New York
-$528K -18,060 Closed
USAA
621
United Services Automobile Association
Texas
-$518K -17,769 Closed
TIAM
622
TT International Asset Management
United Kingdom
-$497K -16,993 Closed
FCI
623
Financial Counselors Inc
Kansas
-$461K -15,765 Closed
Pacer Advisors
624
Pacer Advisors
Pennsylvania
-$457K -15,617 Closed
FC
625
FORA Capital
Florida
-$442K -15,128 Closed

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.