TETRA TECH INC (TTEK) Institutional Ownership Changes & 13F Activity
TETRA TECH INC (TTEK). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Invesco Ltd., Ameriprise Financial Inc, Aqr Capital Management Llc, Alliancebernstein L.P., and Goldman Sachs Group Inc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Hbk Investments L P | Sell | -151,105 | -63.2% | 87,923 | $2.54M | Q2 2026 | Sep 16, 2026 |
| Manufacturers Life Insurance Company, The | Buy | +1,575 | +0.8% | 187,838 | $5.43M | Q2 2026 | Sep 09, 2026 |
| Integrated Wealth Concepts Llc | Buy | +23 | +0.2% | 13,352 | $385.74K | Q2 2026 | Sep 09, 2026 |
| Parkside Financial Bank & Trust | Sell | -30 | -4.6% | 620 | $17.91K | Q2 2026 | Sep 04, 2026 |
| Citadel Advisors Llc | Sell | -453,377 | -26.0% | 1,287,534 | $37.20M | Q2 2026 | Sep 02, 2026 |
| Allianz Asset Management Gmbh | Buy | +246,931 | +14.3% | 1,976,969 | $57.11M | Q2 2026 | Sep 02, 2026 |
| Corient Private Wealth Llc | Buy | +164,373 | +11.8% | 1,554,196 | $44.90M | Q2 2026 | Aug 27, 2026 |
| Groupe La Francaise | Buy | +12,000 | — | 12,000 | $346.98K | Q2 2026 | Aug 25, 2026 |
| Vancity Investment Management Ltd | Buy | +7,146 | +22.9% | 38,372 | $1.11M | Q2 2026 | Aug 24, 2026 |
| California State Teachers Retirement System | Sell | -781 | -0.3% | 289,716 | $8.37M | Q2 2026 | Aug 24, 2026 |
| Mercer Global Advisors Inc | Buy | +2,500 | +3.5% | 73,058 | $2.11M | Q2 2026 | Aug 19, 2026 |
| Public Employees Retirement System Of Ohio | Sell | -1,079 | -1.4% | 77,042 | $2.23M | Q2 2026 | Aug 17, 2026 |
| Transamerica Financial Advisors, Llc | Sell | -26 | -45.6% | 31 | $900.00 | Q2 2026 | Aug 17, 2026 |
| Invesco Ltd. | Buy | +4,116,893 | — | 4,116,893 | $118.94M | Q2 2026 | Aug 14, 2026 |
| Ameriprise Financial Inc | Buy | +2,729,762 | — | 2,729,762 | $78.86M | Q2 2026 | Aug 14, 2026 |
| Aqr Capital Management Llc | Buy | +2,597,141 | +171.5% | 4,111,603 | $117.10M | Q2 2026 | Aug 14, 2026 |
| Alliancebernstein L.P. | Sell | -2,472,104 | -88.1% | 335,361 | $10.10M | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Buy | +721,242 | +37.4% | 2,647,910 | $76.50M | Q2 2026 | Aug 14, 2026 |
| Bank Of America Corp | Buy | +606,543 | +44.2% | 1,977,679 | $57.14M | Q2 2026 | Aug 14, 2026 |
| Gotham Asset Management, Llc | Buy | +513,608 | +263.4% | 708,634 | $20.47M | Q2 2026 | Aug 14, 2026 |
| Hrt Financial Lp | Buy | +502,154 | — | 502,154 | $14.51M | Q2 2026 | Aug 14, 2026 |
| Point72 Asset Management, L.P. | Buy | +468,882 | +86.5% | 1,011,149 | $29.21M | Q2 2026 | Aug 14, 2026 |
| Bridgewater Associates, Lp | Buy | +394,266 | +184.3% | 608,211 | $17.57M | Q2 2026 | Aug 14, 2026 |
| Millennium Management Llc | Sell | -255,075 | -95.7% | 11,498 | $332.18K | Q2 2026 | Aug 14, 2026 |
| Squarepoint Ops Llc | Buy | +224,602 | +53.8% | 641,945 | $18.55M | Q2 2026 | Aug 14, 2026 |
| Jane Street Group, Llc | Sell | -198,405 | -95.9% | 8,401 | $242.71K | Q2 2026 | Aug 14, 2026 |
| Hsbc Holdings Plc | Buy | +197,653 | +45.9% | 628,625 | $17.95M | Q2 2026 | Aug 14, 2026 |
| Systematic Financial Management Lp | Buy | +194,450 | +67.8% | 481,101 | $13.90M | Q2 2026 | Aug 14, 2026 |
| Price T Rowe Associates Inc | Buy | +183,172 | +31.3% | 767,634 | $22.18M | Q2 2026 | Aug 14, 2026 |
| Mirae Asset Global Etfs Holdings Ltd. | Buy | +162,950 | +8.5% | 2,081,631 | $60.14M | Q2 2026 | Aug 14, 2026 |
Frequently asked questions about TTEK activity
Which institutional owners are buying TTEK?
Institutional owners buying TTEK include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in TTEK activity?
"Buy" means an investor increased their reported position in TTEK compared to the prior reporting period. This reflects growing exposure to TETRA TECH INC (TTEK) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in TTEK increasing?
Institutional interest in TTEK can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related TTEK Institutional Insights
- TTEK Overview
- TTEK 13F Institutional Holders
- TTEK Top Institutional Shareholders
- Industrials Sector Institutional Ownership
- Industrials Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Industrials Stocks By Institutional Investors
- Most Sold Industrials Stocks By Institutional Investors
- TTEK Insider Trading & SEC Form 4 Activity
- TTEK Articles
- Top Institutional Investor Stock Rankings