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Swiss National Bank

Bank

Position in TTEK — Tetra Tech Inc

CIK 1582202 ZURICH, V8

Position in TTEK

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$14,364,108
-$424,812 QoQ
Shares Held
497,200
+1.3% QoQ
Ownership
0.194%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#78
of 543 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

Swiss National Bank holds $1,196,671,067 across 28 Engineering & Construction names. TTEK ranks #17 (1.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in TTEK

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $14,364,108 497,200
2026-03-31 $14,788,920 491,000
2025-12-31 $16,511,742 492,300
2025-09-30 $16,202,652 485,400
2025-06-30 $17,494,540 486,500
2025-03-31 $15,186,600 519,200
2024-12-31 $20,975,760 526,500
2024-09-30 $24,641,100 522,500
2024-06-30 $21,511,296 105,200
2024-03-31 $19,413,021 105,100
2023-12-31 $17,510,957 104,900
2023-09-30 $17,787,510 117,000
2023-06-30 $18,961,092 115,800
2023-03-31 $16,806,504 114,400
2022-12-31 $18,700,472 128,800
2022-09-30 $16,374,722 127,400
2022-06-30 $17,396,470 127,400
2022-03-31 $21,013,356 127,400
2021-12-31 $20,206,200 119,000
2021-09-30 $17,875,998 119,700
2021-06-30 $14,583,780 119,500
2021-03-31 $16,679,988 122,900
2020-12-31 $14,102,004 121,800
2020-09-30 $11,689,200 122,400
2020-06-30 $9,660,552 122,100
2020-03-31 $7,478,658 105,900