Companies / Tetra Tech Inc

Tetra Tech Inc

Nasdaq: TTEKCIK 831641PASADENA, CAtetratech.com ↗

Financials · FY2025

Revenue$5.44B
Net income$247.95M
Total debt$1.05B
Cash$230.84M
Diluted EPS$0.93
Shares outstanding256.0M

Ownership

256.0M shares outstanding · as of Jul 20, 2026
0.20%Insiders
Ownership
Insiders0.20%509,822
Institutions96.84%247,956,606
Public float2.96%7,578,000

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 10

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Insider% of sharesShares
Ritrievi Kimberly EDirector
0.08%192,259
Burdick Steven MEVP, CFO
0.05%138,251
Volpi Kirsten MDirector
0.03%70,218
Birkenbeuel GaryDirector
0.02%51,032
Carter Brian NSVP, Corporate Controller
0.02%46,496
Obiaya ChristianaDirector
<0.01%9,666
Feeler Jeffrey RDirector
<0.01%1,900
Argus Roger RCEOPresident and CEO
——
Hardwick M SusanDirector
——
Thornburg Eric WDirector
——

Institutional holders 616

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HolderValue% of shares
Vanguard Group Inc$865.35M10.08%
BlackRock, Inc.$828.43M11.20%
Pictet Asset Management Holding SA$375.81M4.38%
Capital International Investors$302.42M3.52%
State Street Corporation$282.01M3.81%
Neuberger Berman Group LLC$280.10M3.26%
Sands Capital Management, LLC$200.56M2.60%
Geode Capital Management, LLC$157.19M2.04%
FIL Limited$156.56M1.82%
Amundi$143.06M1.85%

Activity

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InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
Feb 4, 2026Carter Brian N
Executive
SellCOMMON STOCK$401.4K-10K
-17.67%
46,496
0.02% of shares
medium
May 15, 2026Feeler Jeffrey R
Director
BuyCOMMON STOCK$50.2K+2K
1,900
<0.01% of shares
low
Feb 10, 2026Volpi Kirsten M
Director
ExerciseCOMMON STOCK$9.6K+1K
+1.44%
70,218
0.03% of shares
low
Feb 19, 2026Obiaya Christiana
Director
ExerciseCOMMON STOCK$0+495
+5.40%
9,666
<0.01% of shares
low
Jan 12, 2026Birkenbeuel Gary
Director
GrantCOMMON STOCK$0+4K
+9.43%
51,032
0.02% of shares
low
Jan 12, 2026Birkenbeuel Gary
Director
ExerciseCOMMON STOCK$0+2K
+3.53%
46,635
0.02% of shares
low
Jan 1, 2025Birkenbeuel Gary
Director
ExerciseCOMMON STOCK$0+2K
+4.77%
45,045
0.02% of shares
low
Jan 1, 2025Birkenbeuel Gary
Director
GrantCOMMON STOCK$0+5K
+13.97%
42,995
0.02% of shares
low

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Vanguard Group IncPassive13G/A—0—

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
TTEK——88162G103—