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Tetra Tech
TTEK

595 hedge funds and large institutions have $8.22B invested in Tetra Tech in 2025 Q3 according to their latest regulatory filings, with 74 funds opening new positions, 231 increasing their positions, 202 reducing their positions, and 60 closing their positions.

New
Increased
Maintained
Reduced
Closed

23% more first-time investments, than exits

New positions opened: 74 | Existing positions closed: 60

14% more repeat investments, than reductions

Existing positions increased: 231 | Existing positions reduced: 202

1% more funds holding

Funds holding: 587 → 595 (+8)

0.91% less ownership

Funds ownership: 94.64% → 93.73% (-0.91%)

8% less capital invested

Capital invested by funds: $8.94B → $8.22B (-$717M)

29% less funds holding in top 10

Funds holding in top 10: 7 → 5 (-2)

87% less call options, than puts

Call options by funds: $9.07M | Put options by funds: $70.3M

Holders
595
Holders Change
+8
Holders Change %
+1.36%
% of All Funds
7.81%
Holding in Top 10
5
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-28.57%
% of All Funds
0.07%
New
74
Increased
231
Reduced
202
Closed
60
Calls
$9.07M
Puts
$70.3M
Net Calls
-$61.2M
Net Calls Change
-$40.6M

Top Buyers

1
Capital International Investors
Capital International Investors
California
+$184M
2
Sands Capital Management
Sands Capital Management
Virginia
+$71.9M
3
Janus Henderson Group
Janus Henderson Group
United Kingdom
+$60.5M
4
Goldman Sachs
Goldman Sachs
New York
+$35.1M
5
Aviva
Aviva
United Kingdom
+$34.6M

Top Sellers

1
SP
Sarasin & Partners
United Kingdom
-$155M
2
Citadel Advisors
Citadel Advisors
Florida
-$68.1M
3
FGP
Freestone Grove Partners
California
-$40.7M
4
BHC
Bowen Hanes & Co
Florida
-$39.9M
5
BCM
Bornite Capital Management
New York
-$37M
Name Holding Trade Value Shares
Change 		Change in
Stake
MCM
301
Manchester Capital Management
Vermont
$773K – – –
AWA
302
Arkadios Wealth Advisors
Georgia
$769K +$28.4K +782 +4%
VOYA Investment Management
303
VOYA Investment Management
Georgia
$768K -$854K -23,507 -51%
PNC Financial Services Group
304
PNC Financial Services Group
Pennsylvania
$765K +$27K +742 +3%
EMPI
305
Elo Mutual Pension Insurance
Finland
$761K +$367K +10,095 +79%
Commonwealth Equity Services
306
Commonwealth Equity Services
Massachusetts
$756K -$32K -881 -4%
CCM
307
Cullen Capital Management
New York
$749K – – –
SRL
308
Scientech Research LLC
New Jersey
$746K +$813K +22,362 New
FDP
309
Financiere des Professionnels
Quebec, Canada
$739K +$45.9K +1,264 +6%
FNA
310
First National Advisers
Nebraska
$723K +$140K +3,847 +22%
FWSM
311
First Wilshire Securities Management
California
$718K – – –
Man Group
312
Man Group
United Kingdom
$709K -$1.39M -38,169 -64%
QL
313
Quarry LP
New York
$705K +$591K +16,258 +334%
SPA
314
Sherbrooke Park Advisers
New York
$698K +$760K +20,911 New
GLA
315
Great Lakes Advisors
Illinois
$672K +$8.72K +240 +1%
Capstone Investment Advisors
316
Capstone Investment Advisors
New York
$670K +$729K +20,057 New
M&T Bank
317
M&T Bank
New York
$668K -$734K -20,190 -50%
SAM
318
Securian Asset Management
Minnesota
$657K -$14.1K -387 -2%
SA
319
Sanctuary Advisors
Indiana
$655K +$51.1K +1,407 +8%
BP
320
Ballentine Partners
Massachusetts
$654K +$67.2K +1,849 +10%
Squarepoint
321
Squarepoint
New York
$648K +$705K +19,401 New
Focus Partners Wealth
322
Focus Partners Wealth
Massachusetts
$645K +$249K +6,846 +55%
EW
323
Evexia Wealth
Wisconsin
$636K +$2.36K +65 +0.4%
US Bancorp
324
US Bancorp
Minnesota
$636K +$26.3K +723 +4%
FPF
325
First Pacific Financial
Washington
$631K -$24.2K -665 -3%
11 12
13
14 15

TTEK Hedge Fund Activity: Q3 2025 in Review

595 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Tetra Tech (TTEK) for Q3 2025, worth a combined $8.22B — down 8% from $8.94B a quarter earlier.

Buyers outnumbered sellers: 74 funds opened new TTEK positions and 60 closed out — a net gain of 14 holders — while 231 added to existing stakes and 202 trimmed.

The largest buyer was Capital International Investors, adding an estimated $184M. The largest seller was Sarasin & Partners, cutting an estimated $155M.

  • 595 institutional investors held Tetra Tech (TTEK) as of Q3 2025, up from 587 in Q2 2025.
  • Funds reported $8.22B of Tetra Tech stock for Q3 2025, down 8% quarter-over-quarter.
  • 74 funds opened new Tetra Tech positions in Q3 2025 and 60 closed out, a net change of +14 holders.
  • The largest Tetra Tech buyer in Q3 2025 was Capital International Investors, an estimated $184M added.
  • The largest Tetra Tech seller in Q3 2025 was Sarasin & Partners, an estimated $155M sold.

Based on aggregated 13F filings for Q3 2025.