TTEK
Tetra Tech, Inc. · Industrials · Engineering & Construction
Momentum inputs (comparable managers):
holder breadth +5.6% ·
share flow +2.6% ·
net new positions +5.3%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 135 | 0 | 185.25M | $5.35B | +6 | −5 |
| Q1 2026 | 137 | -1 | 169.49M | $5.11B | +7 | −9 |
| Q4 2025 | 138 | +2 | 187.70M | $6.29B | +3 | — |
| Q3 2025 | 20 | -1 | 83.63M | $2.79B | — | −2 |
| Q2 2025 | 19 | +1 | 81.57M | $2.93B | +1 | — |
| Q1 2025 | 15 | +2 | 26.85M | $785.50M | +3 | −1 |
| Q4 2024 | 13 | -2 | 21.67M | $863.19M | — | −2 |
| Q3 2024 | 14 | -1 | 11.96M | $563.98M | — | −1 |
| Q2 2024 | 15 | — | 2.40M | $490.36M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 26.58M | — | $955.86M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 2 | BlackRock ✦ (passive) | 25.70M | — | $924.01M | 0.0% | n/c | 1 | SEC ↗ ×18 |
| 3 | State Street Global Advisors ✦ (passive) | 11.94M | +11.8% | $429.42M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 4.96M | -0.6% | $178.46M | 0.0% | ▼ Trim | 5 | SEC ↗ ×2 |
| 5 | Norges Bank ✦ (passive) | 2.92M | -5.0% | $104.84M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 6 | Citadel Advisors ✦ | 2.87M | +30.4% | $103.33M | 0.1% | ▲ Add | 5 | SEC ↗ ×2 |
| 7 | Wellington Management ✦ | 1.38M | -6.3% | $49.78M | 0.0% | ▼ Trim | 5 | SEC ↗ ×5 |
| 8 | Arrowstreet Capital ✦ | 906.23K | +69.2% | $32.59M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | Millennium Management ✦ | 875.68K | +20.0% | $31.49M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 10 | Fisher Asset Management ✦ | 725.62K | -16.1% | $26.09M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 11 | Baillie Gifford ✦ | 587.87K | +63453.5% | $21.14M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 12 | Marshall Wace ✦ | 522.30K | New | $18.78M | 0.0% | New | 1 | SEC ↗ ×2 |
| 13 | Renaissance Technologies ✦ | 392.50K | +48.1% | $14.11M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 14 | T. Rowe Price ✦ | 374.85K | +97.7% | $13.48M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 15 | Fidelity (FMR) ✦ | 338.94K | — | $12.19M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 16 | AQR Capital Management ✦ | 264.83K | +82.5% | $9.44M | 0.0% | ▲ Add | 5 | SEC ↗ ×6 |
| 17 | Gotham Asset Management ✦ | 98.80K | +92.3% | $3.55M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 18 | Two Sigma Investments ✦ | 98.21K | -90.0% | $3.53M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 19 | D. E. Shaw & Co. ✦ | 29.38K | -95.6% | $1.06M | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Marshall Wace | $18.78M | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 587 holders, 242.67M shares, $6.99B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.