TTEKTetra Tech, Inc.

$33.35-6.9% 1Y

Who owns TTEK

540 institutions reported holding TTEK for 2026Q2, together 96% of the company, fewer than the 581 a quarter earlier.

540

Institutions reporting a position · as of 2026Q2 · down from 581 the quarter before

Shares held by institutions
252.6M

Shares held by institutions · 96% of the company · long US equity positions only, as reported on Form 13F

Reported value
$7.30B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
32%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
53
New positions
52
Positions exited
93
Added to
180
Reduced
198
Top 10 holdersof the company
43%
Shares sold shortsettled Sep 15, 2026
11.1M
Short interestof shares outstanding
4.2%
Days to coverat the average daily volume
6.1
Change in the short positionsince the Aug 31, 2026 count
+3.9%
Institutional ownership by quarter, 2013Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q2540252.6M$7.30B
2026Q1581243.0M$7.33B
2025Q4601239.5M$8.09B
2025Q3586245.5M$8.20B
2025Q2577248.6M$8.91B
2025Q1557244.7M$7.16B
2024Q4631236.2M$9.41B
2024Q3635237.1M$11.2B
2024Q258948.3M$9.83B
2024Q150146.8M$8.62B
2023Q450246.9M$7.84B
2023Q346246.6M$7.05B
2023Q244846.9M$7.66B
2023Q143745.9M$6.74B
2022Q446245.8M$6.70B
2022Q341146.0M$5.91B
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.28.7M11%$828M
VANGUARD GROUP INC26.2M10%$758M
Capital International Investors11.7M4.4%$337M
STATE STREET CORP9.8M3.7%$282M
FMR LLC8.8M3.3%$253M
GEODE CAPITAL MANAGEMENT LLC6.8M2.6%$197M
FIL Ltd5.5M2.1%$158M
Amundi Group5.1M1.9%$147M
FULLER & THALER ASSET MANAGEMENT, INC.4.9M1.9%$142M
Pictet Asset Management Holding SA4.8M1.8%$137M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 202611.1M4.2%6.1
Aug 31, 202610.7M4.1%4.0
Aug 14, 202610.7M4.1%4.4
Jul 31, 202611.8M4.5%3.7
Jul 15, 202612.2M4.6%4.6
Jun 30, 202612.2M4.7%2.8
Jun 15, 202610.9M4.2%2.9
May 29, 202613.1M5.0%3.9
May 15, 202613.3M5.1%3.3
Apr 30, 202612.8M4.9%4.2
Apr 15, 202611.3M4.3%4.8
Mar 31, 202612.1M4.6%4.0

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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