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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
Principal Financial Group
76
Principal Financial Group
Iowa
$21.5M -$776K -23,324 -4%
Baillie Gifford & Co
77
Baillie Gifford & Co
United Kingdom
$21.1M +$19.5M +586,945 +63,454%
Jane Street
78
Jane Street
New York
$20.2M +$18.7M +560,562 New
LPL Financial
79
LPL Financial
California
$19.6M -$969K -29,118 -5%
Marshall Wace
80
Marshall Wace
United Kingdom
$18.8M +$17.4M +522,298 New
California Public Employees Retirement System
81
California Public Employees Retirement System
California
$18.2M +$718K +21,565 +4%
CS
82
Candriam SCA
Luxembourg
$17.9M +$1.38M +41,584 +9%
Russell Investments Group
83
Russell Investments Group
United Kingdom
$17.9M -$1.15M -34,675 -7%
CI Investments Inc
84
CI Investments Inc
Ontario, Canada
$17.9M +$16.4M +491,631 +8,411%
SEI Investments
85
SEI Investments
Pennsylvania
$17.6M +$3.21M +96,475 +24%
Swiss National Bank
86
Swiss National Bank
Switzerland
$17.5M -$1.09M -32,700 -6%
JSSH
87
J. Safra Sarasin Holding
$17.3M -$1.37M -41,018 -8%
OL
88
one8zero8 LLC
North Carolina
$16.5M -$359K -10,775 -2%
WAM
89
Winslow Asset Management
Ohio
$16.1M +$276K +8,303 +2%
Legal & General Group
90
Legal & General Group
United Kingdom
$15.8M -$4.36K -131 -0%
Retirement Systems of Alabama
91
Retirement Systems of Alabama
Alabama
$15.3M +$1.63M +48,829 +13%
TAM
92
Trillium Asset Management
Massachusetts
$15.2M -$431K -12,956 -3%
SPS
93
Susquehanna Portfolio Strategies
Pennsylvania
$15M +$13.9M +416,738 New
TI
94
Tidal Investments
Wisconsin
$14.9M -$535K -16,059 -4%
Renaissance Technologies
95
Renaissance Technologies
New York
$14.1M +$4.24M +127,500 +48%
NONA
96
Ninety One North America
New York
$13.8M +$635K +19,063 +5%
T. Rowe Price Associates
97
T. Rowe Price Associates
Maryland
$13.5M +$6.16M +185,192 +98%
HSBC Holdings
98
HSBC Holdings
United Kingdom
$13.1M -$1.23M -36,986 -9%
AAMU
99
AEGON Asset Management (UK)
United Kingdom
$12.3M -$20.7K -623 -0.2%
Fidelity Investments
100
Fidelity Investments
Massachusetts
$12.2M -$3.12M -93,872 -22%

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.