Security record
TTEK
Tetra Tech, Inc. · Industrials · Engineering & Construction
135Tracked holders
0Δ holders
185.00MShares held
$5.35BReported value
+6New positions
−5Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow +7.9% · net new positions +0.7% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
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 · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 28.68M | +7.0% | $828.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 28.68M | +7.0% | $828.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 28.68M | +7.0% | $828.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 28.68M | +7.0% | $828.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 28.68M | +7.0% | $828.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 28.68M | +7.0% | $828.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 28.68M | +7.0% | $828.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 28.68M | +7.0% | $828.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 28.68M | +7.0% | $828.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 28.68M | +7.0% | $828.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 28.68M | +7.0% | $828.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 28.68M | +7.0% | $828.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 28.68M | +7.0% | $828.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 28.68M | +7.0% | $828.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 28.68M | +7.0% | $828.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 28.68M | +7.0% | $828.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 28.68M | +7.0% | $828.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 28.68M | +7.0% | $828.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 28.68M | +7.0% | $828.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 20 | BlackRock ✦ (passive) | 28.68M | +7.0% | $828.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 21 | Vanguard Capital Management Llc | 11.73M | +0.1% | $338.76M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 22 | Capital International Investors | 11.65M | +2.3% | $336.60M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 23 | State Street Global Advisors ✦ (passive) | 9.76M | +1.3% | $282.01M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 24 | Fidelity (FMR) ✦ | 8.77M | +2571.3% | $253.33M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 25 | Fidelity (FMR) ✦ | 8.77M | +2571.3% | $253.33M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 26 | Fidelity (FMR) ✦ | 8.77M | +2571.3% | $253.33M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 27 | Fidelity (FMR) ✦ | 8.77M | +2571.3% | $253.33M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 28 | Fidelity (FMR) ✦ | 8.77M | +2571.3% | $253.33M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 29 | Geode Capital Management ✦ (passive) | 6.83M | +31.0% | $197.44M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 30 | Geode Capital Management ✦ (passive) | 6.83M | +31.0% | $197.44M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 31 | FIL Ltd | 5.47M | +13.2% | $158.08M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 32 | FIL Ltd | 5.47M | +13.2% | $158.08M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 33 | Amundi | 5.10M | +7.3% | $147.26M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 34 | Amundi | 5.10M | +7.3% | $147.26M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 35 | Amundi | 5.10M | +7.3% | $147.26M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 36 | Amundi | 5.10M | +7.3% | $147.26M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 37 | Pictet Asset Management Holding SA | 4.76M | -50.6% | $137.50M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 38 | Wellington Management ✦ | 4.67M | -2.7% | $135.03M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 39 | Wellington Management ✦ | 4.67M | -2.7% | $135.03M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 40 | Wellington Management ✦ | 4.67M | -2.7% | $135.03M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 41 | Wellington Management ✦ | 4.67M | -2.7% | $135.03M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 42 | Wellington Management ✦ | 4.67M | -2.7% | $135.03M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 43 | Wellington Management ✦ | 4.67M | -2.7% | $135.03M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 44 | Wellington Management ✦ | 4.67M | -2.7% | $135.03M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 45 | Dimensional Fund Advisors Lp | 4.45M | +17.3% | $128.45M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 46 | Dimensional Fund Advisors Lp | 4.45M | +17.3% | $128.45M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 47 | Dimensional Fund Advisors Lp | 4.45M | +17.3% | $128.45M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 48 | Dimensional Fund Advisors Lp | 4.45M | +17.3% | $128.45M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 49 | Dimensional Fund Advisors Lp | 4.45M | +17.3% | $128.45M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 50 | Neuberger Berman Group LLC | 4.41M | -39.4% | $127.38M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 51 | Neuberger Berman Group LLC | 4.41M | -39.4% | $127.38M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 52 | Arrowstreet Capital ✦ | 4.39M | +708.5% | $126.93M | 0.1% | ▲ Add | 9 | SEC ↗ |
| 53 | Invesco Ltd. | 4.12M | +40.3% | $118.94M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 54 | Invesco Ltd. | 4.12M | +40.3% | $118.94M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 55 | Invesco Ltd. | 4.12M | +40.3% | $118.94M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 56 | Invesco Ltd. | 4.12M | +40.3% | $118.94M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 57 | Invesco Ltd. | 4.12M | +40.3% | $118.94M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 58 | Invesco Ltd. | 4.12M | +40.3% | $118.94M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 59 | Invesco Ltd. | 4.12M | +40.3% | $118.94M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 60 | AQR Capital Management ✦ | 4.11M | +171.5% | $117.10M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 61 | AQR Capital Management ✦ | 4.11M | +171.5% | $117.10M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 62 | AQR Capital Management ✦ | 4.11M | +171.5% | $117.10M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 63 | AQR Capital Management ✦ | 4.11M | +171.5% | $117.10M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 64 | AQR Capital Management ✦ | 4.11M | +171.5% | $117.10M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 65 | Norges Bank ✦ (passive) | 3.23M | New | $93.34M | 0.0% | New | 1 | SEC ↗ |
| 66 | Ameriprise Financial Inc | 2.73M | +35.1% | $78.86M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 67 | Ameriprise Financial Inc | 2.73M | +35.1% | $78.86M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 68 | Ameriprise Financial Inc | 2.73M | +35.1% | $78.86M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 69 | Ameriprise Financial Inc | 2.73M | +35.1% | $78.86M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 70 | Goldman Sachs Group ✦ | 2.65M | +37.4% | $76.50M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 71 | Goldman Sachs Group ✦ | 2.65M | +37.4% | $76.50M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 72 | Goldman Sachs Group ✦ | 2.65M | +37.4% | $76.50M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 73 | Goldman Sachs Group ✦ | 2.65M | +37.4% | $76.50M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 74 | Goldman Sachs Group ✦ | 2.65M | +37.4% | $76.50M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 75 | First Trust Advisors Lp | 2.56M | +4.8% | $74.00M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 76 | Ninety One UK Ltd | 2.37M | -13.4% | $68.33M | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 77 | Charles Schwab Investment… | 2.29M | +2.2% | $66.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 78 | Charles Schwab Investment… | 2.29M | +2.2% | $66.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 79 | Northern Trust Corp | 2.25M | -3.2% | $64.88M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 80 | Northern Trust Corp | 2.25M | -3.2% | $64.88M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 81 | Northern Trust Corp | 2.25M | -3.2% | $64.88M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 82 | Northern Trust Corp | 2.25M | -3.2% | $64.88M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 83 | Northern Trust Corp | 2.25M | -3.2% | $64.88M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 84 | Northern Trust Corp | 2.25M | -3.2% | $64.88M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 85 | Bank of New York Mellon Corp | 2.10M | -10.5% | $60.70M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 86 | Bank of New York Mellon Corp | 2.10M | -10.5% | $60.70M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 87 | Bank of New York Mellon Corp | 2.10M | -10.5% | $60.70M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 88 | Bank of New York Mellon Corp | 2.10M | -10.5% | $60.70M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 89 | Bank of New York Mellon Corp | 2.10M | -10.5% | $60.70M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 90 | Bank of New York Mellon Corp | 2.10M | -10.5% | $60.70M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 91 | Bank of New York Mellon Corp | 2.10M | -10.5% | $60.70M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 92 | Bank of New York Mellon Corp | 2.10M | -10.5% | $60.70M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 93 | Bank of New York Mellon Corp | 2.10M | -10.5% | $60.70M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 94 | Bank of New York Mellon Corp | 2.10M | -10.5% | $60.70M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 95 | Bank of New York Mellon Corp | 2.10M | -10.5% | $60.70M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 96 | Bank of New York Mellon Corp | 2.10M | -10.5% | $60.70M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 97 | Bank of New York Mellon Corp | 2.10M | -10.5% | $60.70M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 98 | Bank of New York Mellon Corp | 2.10M | -10.5% | $60.70M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 99 | Bank of New York Mellon Corp | 2.10M | -10.5% | $60.70M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 100 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 2.08M | +8.5% | $60.14M | 0.1% | ▲ Add | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $93.34M | 0.0% |
Exited
| Renaissance Technologies | $13.66M | was 0.0% |
| Connor, Clark & Lunn… | $10.51M | was 0.0% |
| Caisse De Depot Et Placement… | $5.46M | was 0.0% |
| Nomura Holdings Inc | $350,808 | was 0.0% |
| Simplex Trading, Llc | $303,037 | 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: Q2 2026 ·
Methodology ·
Get this via the API