Security record · archived quarter
TTEK
Tetra Tech, Inc. · Industrials · Engineering & Construction
20Tracked holders
-1Δ holders
83.63MShares held
$2.79BReported value
+0New positions
−2Exits
Momentum inputs (comparable managers):
holder breadth -4.8% ·
share flow -2.5% ·
net new positions -10.0%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 135 | 0 | 185.00M | $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 | — | — |
Who holds it · Q3 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 26.30M | -1.1% | $877.95M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 2 | The Vanguard Group ✦ (passive) | 26.30M | -1.1% | $877.95M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | The Vanguard Group ✦ (passive) | 26.30M | -1.1% | $877.95M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | The Vanguard Group ✦ (passive) | 26.30M | -1.1% | $877.95M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | The Vanguard Group ✦ (passive) | 26.30M | -1.1% | $877.95M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 25.51M | -0.7% | $851.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 25.51M | -0.7% | $851.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 25.51M | -0.7% | $851.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 25.51M | -0.7% | $851.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 25.51M | -0.7% | $851.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 25.51M | -0.7% | $851.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 25.51M | -0.7% | $851.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 25.51M | -0.7% | $851.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 25.51M | -0.7% | $851.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 25.51M | -0.7% | $851.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 25.51M | -0.7% | $851.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 25.51M | -0.7% | $851.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 25.51M | -0.7% | $851.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 25.51M | -0.7% | $851.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 20 | BlackRock ✦ (passive) | 25.51M | -0.7% | $851.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 21 | BlackRock ✦ (passive) | 25.51M | -0.7% | $851.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 22 | State Street Global Advisors ✦ (passive) | 11.29M | -5.4% | $376.95M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 23 | Geode Capital Management ✦ (passive) | 5.03M | +1.4% | $167.93M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 24 | Geode Capital Management ✦ (passive) | 5.03M | +1.4% | $167.93M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 25 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 26 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 27 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 28 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 29 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 30 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 31 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 32 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 33 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 34 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 35 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 39 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 40 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 41 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 42 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 43 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 44 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 45 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 46 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 47 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 48 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 49 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 50 | JPMorgan Chase ✦ | 2.80M | — | $93.36M | 0.0% | n/c | 1 | SEC ↗ |
| 51 | Morgan Stanley ✦ | 2.38M | — | $79.49M | 0.0% | n/c | 1 | SEC ↗ |
| 52 | Morgan Stanley ✦ | 2.38M | — | $79.49M | 0.0% | n/c | 1 | SEC ↗ |
| 53 | Morgan Stanley ✦ | 2.38M | — | $79.49M | 0.0% | n/c | 1 | SEC ↗ |
| 54 | Morgan Stanley ✦ | 2.38M | — | $79.49M | 0.0% | n/c | 1 | SEC ↗ |
| 55 | Morgan Stanley ✦ | 2.38M | — | $79.49M | 0.0% | n/c | 1 | SEC ↗ |
| 56 | Morgan Stanley ✦ | 2.38M | — | $79.49M | 0.0% | n/c | 1 | SEC ↗ |
| 57 | Morgan Stanley ✦ | 2.38M | — | $79.49M | 0.0% | n/c | 1 | SEC ↗ |
| 58 | Morgan Stanley ✦ | 2.38M | — | $79.49M | 0.0% | n/c | 1 | SEC ↗ |
| 59 | Morgan Stanley ✦ | 2.38M | — | $79.49M | 0.0% | n/c | 1 | SEC ↗ |
| 60 | Morgan Stanley ✦ | 2.38M | — | $79.49M | 0.0% | n/c | 1 | SEC ↗ |
| 61 | Morgan Stanley ✦ | 2.38M | — | $79.49M | 0.0% | n/c | 1 | SEC ↗ |
| 62 | Goldman Sachs Group ✦ | 1.94M | — | $64.61M | 0.0% | n/c | 1 | SEC ↗ |
| 63 | Goldman Sachs Group ✦ | 1.94M | — | $64.61M | 0.0% | n/c | 1 | SEC ↗ |
| 64 | Goldman Sachs Group ✦ | 1.94M | — | $64.61M | 0.0% | n/c | 1 | SEC ↗ |
| 65 | Millennium Management ✦ | 1.42M | +62.3% | $47.44M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 66 | Wellington Management ✦ | 1.05M | -23.9% | $35.15M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 67 | Wellington Management ✦ | 1.05M | -23.9% | $35.15M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 68 | Wellington Management ✦ | 1.05M | -23.9% | $35.15M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 69 | Wellington Management ✦ | 1.05M | -23.9% | $35.15M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 70 | Citadel Advisors ✦ | 999.37K | -65.2% | $33.36M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 71 | Citadel Advisors ✦ | 999.37K | -65.2% | $33.36M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 72 | Arrowstreet Capital ✦ | 749.76K | -17.3% | $25.03M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 73 | Fisher Asset Management ✦ | 709.37K | -2.2% | $23.68M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 74 | AQR Capital Management ✦ | 636.65K | +140.4% | $21.25M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 75 | AQR Capital Management ✦ | 636.65K | +140.4% | $21.25M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 76 | AQR Capital Management ✦ | 636.65K | +140.4% | $21.25M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 77 | AQR Capital Management ✦ | 636.65K | +140.4% | $21.25M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 78 | AQR Capital Management ✦ | 636.65K | +140.4% | $21.25M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 79 | AQR Capital Management ✦ | 636.65K | +140.4% | $21.25M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 80 | Baillie Gifford ✦ | 523.15K | -11.0% | $17.46M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 81 | Baillie Gifford ✦ | 523.15K | -11.0% | $17.46M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 82 | Baillie Gifford ✦ | 523.15K | -11.0% | $17.46M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 83 | Baillie Gifford ✦ | 523.15K | -11.0% | $17.46M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 84 | Renaissance Technologies ✦ | 507.70K | +29.4% | $16.95M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 85 | Two Sigma Investments ✦ | 492.30K | +401.3% | $16.43M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 86 | Gotham Asset Management ✦ | 486.87K | +392.8% | $16.25M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 87 | T. Rowe Price ✦ | 394.85K | +5.3% | $13.18M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 88 | T. Rowe Price ✦ | 394.85K | +5.3% | $13.18M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 89 | Fidelity (FMR) ✦ | 339.34K | +0.1% | $11.33M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 90 | Fidelity (FMR) ✦ | 339.34K | +0.1% | $11.33M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 91 | Fidelity (FMR) ✦ | 339.34K | +0.1% | $11.33M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 92 | Fidelity (FMR) ✦ | 339.34K | +0.1% | $11.33M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 93 | Fidelity (FMR) ✦ | 339.34K | +0.1% | $11.33M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 94 | D. E. Shaw & Co. ✦ | 76.72K | +161.2% | $2.56M | 0.0% | ▲ Add | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Norges Bank | $104.84M | was 0.0% |
| Marshall Wace | $18.78M | was 0.0% |
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.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q3 2025 ·
Methodology ·
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