Tetra Tech, Inc. Common Stock — Institutional Ownership

Which tracked institutions hold TTEK, and how they changed the position last quarter. Latest holdings as of Jun 30, 2026. Source: SEC 13-F filings.

30
Funds holding
$1622434914
Total value held
Buying
19 added/new · 9 reduced
# Institution Value Shares Δ Shares Change (QoQ)
1 Blackrock, Inc. $816507069 35954406 +3033777 +9.22%
2 State Street Corp $302593519 21409912 -488334 -2.23%
3 Bank Of New York Mellon Corp $75351156 3689600 +30449 +0.83%
4 Northern Trust Corp $69887767 2320311 -30612 -1.30%
5 Morgan Stanley $67453924 2239504 -81236 -3.50%
6 Goldman Sachs Group Inc $58031235 1926668 +372322 +23.95%
7 Bank Of America Corp /De/ $43816979 3780136 -744575 -16.46%
8 Janus Henderson Group Plc $31024292 1029853 +1029853 NEW BUY
9 Wells Fargo & Company/Mn $28455120 2718796 -66423 -2.38%
10 Royal Bank Of Canada $25434000 844444 +844444 NEW BUY
11 Bank Of Montreal /Can/ $23627353 15552278 +15552278 NEW BUY
12 Bank Of Nova Scotia $17904955 594454 +594454 NEW BUY
13 Principal Financial Group Inc $17567552 583252 +20951 +3.73%
14 Barclays Plc $13373191 443997 +443997 NEW BUY
15 Sei Investments Co $10051689 848284 +848284 NEW BUY
16 Citigroup Inc $8107162 831039 +613569 +282.14%
17 Raymond James Financial Inc $5357358 177867 -344 -0.19%
18 Fifth Third Bancorp $2354623 78175 +74460 +2004.31%
19 Franklin Resources Inc $1853645 61542 -5814 -8.63%
20 M&T Bank Corp $785614 23411 +3423 +17.13%
21 Pnc Financial Services Group, Inc. $712398 23652 +153 +0.65%
22 Nomura Holdings Inc $625870 20779 +20779 NEW BUY
23 Us Bancorp \De\ $578003 19190 -1446 -7.01%
24 First Business Financial Services, Inc. $506618 16820 Held
25 Marex Group Plc $226683 7526 -970 -11.42%
26 Pinnacle Financial Partners, Inc. $220027 7305 +7305 NEW BUY
27 Atlantic Union Bankshares Corp $8602 256 Held
28 First Horizon Corp $7078 245 +245 NEW BUY
29 Amalgamated Financial Corp. $6131 55556 +55556 NEW BUY
30 Itau Unibanco Holding S.A. $5301 176 +176 NEW BUY

Aggregated across tracked institutional filers. Reported quarterly on SEC Form 13-F and may lag. For research only — not investment advice.