Security record · archived quarter
TTEK
Tetra Tech, Inc. · Industrials · Engineering & Construction
137Tracked holders
-1Δ holders
169.49MShares held
$5.11BReported value
+7New positions
−9Exits
Momentum inputs (comparable managers):
holder breadth -0.7% ·
share flow -0.9% ·
net new positions -1.5%
· formula
Broad distribution: falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 5 | 0 | 3.04M | $99.94M | n/a | n/a |
| 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 | n/a |
| Q3 2025 | 20 | -1 | 83.63M | $2.79B | n/a | −2 |
| Q2 2025 | 19 | +1 | 81.57M | $2.93B | +1 | n/a |
| Q1 2025 | 15 | +2 | 26.85M | $785.50M | +3 | −1 |
| Q4 2024 | 13 | -2 | 21.67M | $863.19M | n/a | −2 |
| Q3 2024 | 14 | -1 | 11.96M | $563.98M | n/a | −1 |
| Q2 2024 | 15 | n/a | 2.40M | $490.36M | n/a | n/a |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 26.79M | +4.1% | $806.93M | 0.0% | ▲ Add | 4 | SEC ↗ ×19 |
| 2 | Vanguard Capital Management Llc | 11.71M | n/a | $352.68M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | Capital International Investors | 11.39M | +26.3% | $342.92M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 4 | Pictet Asset Management Holding SA | 9.64M | -13.9% | $290.49M | 0.3% | ▼ Trim | 2 | SEC ↗ |
| 5 | State Street Global Advisors ✦ (passive) | 9.64M | +2.2% | $290.23M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 6 | Neuberger Berman Group LLC | 7.27M | -12.9% | $218.96M | 0.2% | ▼ Trim | 2 | SEC ↗ ×2 |
| 7 | Geode Capital Management ✦ (passive) | 5.22M | +2.7% | $157.19M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 8 | FIL Ltd | 4.83M | +3.5% | $145.56M | 0.1% | ▲ Add | 2 | SEC ↗ ×2 |
| 9 | Wellington Management ✦ | 4.80M | +355.2% | $144.70M | 0.0% | ▲ Add | 8 | SEC ↗ ×7 |
| 10 | Amundi | 4.75M | -6.8% | $143.06M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 11 | Dimensional Fund Advisors Lp | 3.79M | +3.1% | $114.13M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 12 | Alliancebernstein L.P. | 2.81M | -8.8% | $94.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 13 | Invesco Ltd. | 2.93M | +14.2% | $88.40M | 0.0% | ▲ Add | 2 | SEC ↗ ×6 |
| 14 | Ninety One UK Ltd | 2.73M | -2.5% | $82.28M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 15 | First Trust Advisors Lp | 2.45M | +47.6% | $73.66M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 16 | Bank of New York Mellon Corp | 2.35M | -0.3% | $70.74M | 0.0% | ▼ Trim | 2 | SEC ↗ ×18 |
| 17 | Northern Trust Corp | 2.32M | -1.3% | $69.89M | 0.0% | ▼ Trim | 2 | SEC ↗ ×7 |
| 18 | Morgan Stanley ✦ | 2.24M | -3.5% | $67.45M | 0.0% | ▼ Trim | 3 | SEC ↗ ×16 |
| 19 | Charles Schwab Investment… | 2.24M | +3.6% | $67.39M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 20 | Ameriprise Financial Inc | 2.02M | -22.7% | $60.87M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 21 | Aviva Plc | 1.93M | -5.5% | $58.04M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 22 | Goldman Sachs Group ✦ | 1.93M | +23.9% | $58.03M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 23 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 1.92M | +5.1% | $57.79M | 0.1% | ▲ Add | 2 | SEC ↗ ×2 |
| 24 | Citadel Advisors ✦ | 1.74M | +3341.0% | $52.44M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 25 | Deutsche Bank Ag\ | 1.73M | +25.1% | $52.22M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 26 | Allianz Asset Management GmbH | 1.73M | +9.0% | $52.11M | 0.1% | ▲ Add | 2 | SEC ↗ ×5 |
| 27 | Quantinno Capital Management LP | 1.55M | +2.2% | $46.72M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 28 | AQR Capital Management ✦ | 1.51M | -47.3% | $45.45M | 0.0% | ▼ Trim | 8 | SEC ↗ ×6 |
| 29 | Aberdeen Group plc | 1.42M | -5.1% | $42.84M | 0.1% | ▼ Trim | 2 | SEC ↗ ×3 |
| 30 | Corient Private Wealth LP | 1.39M | -55.7% | $41.81M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 31 | Bank Of America Corp /De/ | 1.37M | -32.1% | $41.30M | 0.0% | ▼ Trim | 2 | SEC ↗ ×7 |
| 32 | UBS AM, a distinct business unit of… | 1.15M | +1.4% | $34.59M | 0.0% | ▲ Add | 2 | SEC ↗ ×9 |
| 33 | Capital Research Global Investors | 1.10M | -37.9% | $33.21M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 34 | Janus Henderson Group Plc | 1.03M | -47.5% | $31.02M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 35 | Nuveen, LLC | 936.40K | -23.0% | $28.20M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 36 | Legal & General Group Plc | 913.77K | +138.4% | $27.52M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 37 | JPMorgan Chase ✦ | 914.91K | -6.6% | $27.23M | 0.0% | ▼ Trim | 3 | SEC ↗ ×11 |
| 38 | Wells Fargo & Company/Mn | 880.80K | -4.7% | $26.53M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 39 | Nomura Asset Management Co Ltd | 880.38K | -11.3% | $26.52M | 0.1% | ▼ Trim | 2 | SEC ↗ ×3 |
| 40 | Schroder Investment Management Group | 864.79K | n/a | $25.74M | 0.0% | n/c | 1 | SEC ↗ |
| 41 | Royal Bank Of Canada | 844.44K | -0.6% | $25.43M | 0.0% | ▼ Trim | 2 | SEC ↗ ×9 |
| 42 | Marshall Wace ✦ | 719.62K | +657.1% | $21.67M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 43 | Rhumbline Advisers | 713.77K | +2.0% | $21.50M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 44 | Robeco Institutional Asset… | 707.13K | -4.4% | $21.30M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 45 | Bnp Paribas Financial Markets | 695.20K | -30.6% | $20.94M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 46 | UBS Group AG | 646.67K | -2.9% | $19.48M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 47 | Rockefeller Capital Management L.P. | 626.53K | +12.8% | $18.87M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 48 | Fisher Asset Management ✦ | 612.60K | -1.4% | $18.45M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 49 | Zurcher Kantonalbank (Zurich… | 602.67K | +15.2% | $18.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 50 | Bank Of Nova Scotia | 589.45K | -34.6% | $17.75M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 51 | T. Rowe Price ✦ | 584.46K | +41.3% | $17.61M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 52 | Principal Financial Group Inc | 583.25K | +3.7% | $17.57M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 53 | Arrowstreet Capital ✦ | 543.47K | -46.8% | $16.37M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 54 | Point72 Asset Management ✦ | 542.27K | New | $16.33M | 0.0% | New | 1 | SEC ↗ |
| 55 | California Public Employees… | 498.25K | -3.7% | $15.01M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 56 | Swiss National Bank | 491.00K | -0.3% | $14.79M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 57 | Renaissance Technologies ✦ | 453.60K | -10.8% | $13.66M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 58 | Barclays Plc | 444.00K | +9.0% | $13.37M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 59 | Balyasny Asset Management L.P. | 434.47K | New | $13.09M | 0.0% | New | 1 | SEC ↗ |
| 60 | Hsbc Holdings Plc | 430.97K | -63.5% | $12.99M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 61 | Envestnet Asset Management Inc | 420.27K | -25.9% | $12.66M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 62 | Squarepoint Ops LLC | 417.34K | +506.1% | $12.57M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 63 | Tidal Investments LLC | 384.29K | +18.9% | $11.57M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 64 | Connor, Clark & Lunn Investment… | 349.08K | -39.6% | $10.51M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 65 | Russell Investments Group, Ltd. | 329.94K | +54.9% | $9.94M | 0.0% | ▲ Add | 2 | SEC ↗ ×12 |
| 66 | Fidelity (FMR) ✦ | 328.25K | -7.1% | $9.89M | 0.0% | ▼ Trim | 4 | SEC ↗ ×5 |
| 67 | Sei Investments Co | 315.28K | +15.7% | $9.49M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 68 | Baillie Gifford ✦ | 313.56K | -26.9% | $9.44M | 0.0% | ▼ Trim | 5 | SEC ↗ ×4 |
| 69 | Nomura Asset Management… | 311.39K | -0.9% | $9.38M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 70 | State Of Wisconsin Investment Board | 298.90K | -5.4% | $9.00M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 71 | California State Teachers… | 290.50K | +22.0% | $8.75M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 72 | Millennium Management ✦ | 266.57K | -59.3% | $8.03M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 73 | Bank Of Montreal /Can/ | 252.28K | -12.4% | $7.60M | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 74 | Man Group plc | 217.54K | -42.6% | $6.55M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 75 | Bridgewater Associates ✦ | 213.94K | +232.7% | $6.44M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 76 | State Board Of Administration Of… | 208.58K | 0.0% | $6.28M | 0.0% | Held | 2 | SEC ↗ |
| 77 | Jane Street Group, Llc | 206.81K | -18.9% | $6.23M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 78 | Gotham Asset Management ✦ | 195.03K | -57.0% | $5.87M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 79 | Manufacturers Life Insurance… | 186.26K | -2.4% | $5.61M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 80 | New York State Common Retirement… | 186.06K | +3.9% | $5.60M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 81 | Two Sigma Investments ✦ | 183.76K | -71.1% | $5.54M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 82 | Caisse De Depot Et Placement Du… | 181.19K | New | $5.46M | 0.0% | New | 1 | SEC ↗ |
| 83 | Raymond James Financial Inc | 177.87K | -0.2% | $5.36M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 84 | Prudential Financial Inc | 164.22K | +892.6% | $4.95M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 85 | Susquehanna International Group, Llp | 160.24K | New | $4.83M | 0.0% | New | 1 | SEC ↗ |
| 86 | Canada Pension Plan Investment Board | 160.20K | +621.6% | $4.83M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 87 | Blair William & Co/Il | 158.44K | +28.3% | $4.77M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 88 | LPL Financial LLC | 152.17K | -56.0% | $4.58M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 89 | Creative Planning | 151.62K | -19.1% | $4.57M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 90 | Mackenzie Financial Corp | 130.31K | -60.8% | $3.92M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 91 | Asset Management One Co., Ltd. | 110.98K | +13.1% | $3.34M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 92 | Universal- Beteiligungs- und… | 81.96K | -39.5% | $2.47M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 93 | Fifth Third Bancorp | 78.17K | +2004.3% | $2.35M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 94 | HighTower Advisors, LLC | 72.48K | -3.8% | $2.18M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 95 | Pacer Advisors, Inc. | 72.04K | +3.6% | $2.17M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 96 | Mercer Global Advisors Inc /Adv | 70.56K | -10.1% | $2.13M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 97 | DZ BANK AG Deutsche Zentral… | 69.27K | 0.0% | $2.09M | 0.0% | Held | 2 | SEC ↗ |
| 98 | Franklin Resources Inc | 61.54K | -8.6% | $1.85M | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 99 | Cerity Partners LLC | 60.09K | -62.5% | $1.81M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 100 | Voya Investment Management Llc | 58.74K | +185.8% | $1.77M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Point72 Asset Management | $16.33M | 0.0% |
| Balyasny Asset Management L.P. | $13.09M | 0.0% |
| Caisse De Depot Et Placement… | $5.46M | 0.0% |
| Susquehanna International… | $4.83M | 0.0% |
Exited
| Norges Bank | $115.16M | was 0.0% |
| Qube Research & Technologies… | $28.00M | was 0.0% |
| D. E. Shaw & Co. | $24.18M | was 0.0% |
| Tudor Investment Corp Et Al | $20.56M | was 0.1% |
| Hrt Financial Lp | $6.35M | was 0.0% |
| Holocene Advisors, LP | $413,112 | was 0.0% |
| Brown Advisory Inc | $262,845 | was 0.0% |
| Toronto Dominion Bank | $69,193 | was 0.0% |
| Optiver Holding B.V. | $67 | 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: Q1 2026 ·
Methodology ·
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