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Equibles

NISA INVESTMENT ADVISORS, LLC

Position in TTEK — Tetra Tech Inc

CIK 937615 ST. LOUIS, MO
Back to TTEK Full portfolio

Position in TTEK

as of Jun 30, 2026 · filed Aug 10, 2026
Position Value
$3,023,569
-$51,201 QoQ
Shares Held
104,658
+2.5% QoQ
Ownership
0.041%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#156
of 549 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in TTEK Over Time

Shares Held

Position Value (USD)

Position in Engineering & Construction

Industrials · as of Jun 30, 2026

NISA INVESTMENT ADVISORS, LLC holds $98,107,041 across 33 Engineering & Construction names. TTEK ranks #7 (3.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 FIX
Comfort Systems USA Inc
 11,928 $23,640,699
2 PWR
Quanta Services, Inc.
 31,327 $22,556,693
3 EME
EMCOR Group, Inc.
 21,312 $17,686,401
4 MTZ
Mastec Inc
 14,067 $5,852,716
5 J
Jacobs Solutions Inc.
 35,042 $4,415,292
6 ACM
Aecom
 53,714 $3,749,237
7 TTEK
Tetra Tech Inc
This page 		104,658 $3,023,569
8
7,775 $2,756,470

All Filings in TTEK

Export CSV
26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,023,569 104,658
2026-03-31 $3,074,770 102,084
2025-12-31 $3,415,881 101,845
2025-09-30 $3,399,552 101,844
2025-06-30 $4,701,554 130,744
2025-03-31 $3,822,243 130,675
2024-12-31 $5,285,772 132,675
2024-09-30 $6,256,953 132,675
2024-06-30 $5,426,899 26,540
2024-03-31 $4,902,203 26,540
2023-12-31 $4,430,322 26,540
2023-09-30 $3,974,064 26,140
2023-06-30 $4,280,163 26,140
2023-03-31 $3,843,900 26,165
2022-12-31 $3,803,252 26,195
2022-09-30 $3,366,843 26,195
2022-06-30 $3,718,256 27,230
2022-03-31 $4,670,441 28,316
2021-12-31 $4,709,403 27,735
2021-09-30 $4,127,010 27,635
2021-06-30 $3,372,575 27,635
2021-03-31 $3,750,622 27,635
2020-12-31 $3,199,580 27,635
2020-09-30 $2,620,042 27,435
2020-06-30 $2,079,669 26,285
2020-03-31 $1,853,775 26,250