Security record · archived quarter
MTZ
MasTec, Inc. · Industrials · Engineering & Construction
154Tracked holders
+7Δ holders
37.61MShares held
$12.07BReported value
+11New positions
−5Exits
Momentum inputs (comparable managers):
holder breadth +4.8% ·
share flow -1.4% ·
net new positions +3.9%
· formula
Ownership fragmentation: more holders, smaller aggregate stake
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 |
|---|---|---|---|---|---|---|
| Q2 2026 | 150 | 0 | 38.46M | $16.01B | +9 | −10 |
| Q1 2026 | 154 | +7 | 37.61M | $12.07B | +11 | −5 |
| Q4 2025 | 146 | +4 | 41.17M | $8.95B | +5 | n/a |
| Q3 2025 | 18 | -2 | 22.22M | $4.73B | +1 | −4 |
| Q2 2025 | 18 | +2 | 21.57M | $3.68B | +2 | n/a |
| Q1 2025 | 13 | -1 | 6.17M | $714.27M | n/a | −1 |
| Q4 2024 | 14 | +2 | 7.54M | $1.03B | +2 | n/a |
| Q3 2024 | 11 | 0 | 5.95M | $732.85M | n/a | n/a |
| Q2 2024 | 11 | n/a | 5.85M | $625.58M | n/a | n/a |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 7.31M | +2.8% | $2.35B | 0.0% | ▲ Add | 4 | SEC ↗ ×20 |
| 2 | Vanguard Capital Management Llc | 2.80M | n/a | $902.25M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | State Street Global Advisors ✦ (passive) | 1.87M | +2.4% | $601.59M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 4 | Victory Capital Management Inc | 1.59M | -39.6% | $512.38M | 0.3% | ▼ Trim | 2 | SEC ↗ |
| 5 | Lone Pine Capital ✦ | 1.53M | New | $492.60M | 3.9% | New | 1 | SEC ↗ |
| 6 | First Trust Advisors Lp | 1.41M | +7.6% | $454.16M | 0.3% | ▲ Add | 2 | SEC ↗ |
| 7 | Geode Capital Management ✦ (passive) | 1.37M | +12.4% | $441.49M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 8 | Bank Of America Corp /De/ | 1.33M | +6.0% | $427.94M | 0.0% | ▲ Add | 2 | SEC ↗ ×6 |
| 9 | Invesco Ltd. | 1.23M | -19.4% | $394.38M | 0.0% | ▼ Trim | 2 | SEC ↗ ×17 |
| 10 | Dimensional Fund Advisors Lp | 731.65K | -16.0% | $235.33M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 11 | Nordea Investment Management Ab | 733.63K | -36.2% | $228.75M | 0.2% | ▼ Trim | 2 | SEC ↗ ×4 |
| 12 | Bank of New York Mellon Corp | 656.10K | +3.1% | $211.09M | 0.0% | ▲ Add | 2 | SEC ↗ ×16 |
| 13 | AQR Capital Management ✦ | 660.05K | -9.7% | $209.54M | 0.1% | ▼ Trim | 8 | SEC ↗ ×8 |
| 14 | Canada Pension Plan Investment Board | 638.96K | +325.6% | $205.58M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 15 | Fidelity (FMR) ✦ | 627.90K | -5.5% | $202.02M | 0.0% | ▼ Trim | 4 | SEC ↗ ×4 |
| 16 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 604.68K | +8.4% | $194.54M | 0.3% | ▲ Add | 2 | SEC ↗ ×3 |
| 17 | Morgan Stanley ✦ | 586.74K | +19.8% | $188.78M | 0.0% | ▲ Add | 3 | SEC ↗ ×17 |
| 18 | Coatue Management ✦ | 583.60K | -13.9% | $187.77M | 0.6% | ▼ Trim | 2 | SEC ↗ ×3 |
| 19 | Charles Schwab Investment… | 511.24K | +1.8% | $164.49M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 20 | Millennium Management ✦ | 503.20K | -31.3% | $161.90M | 0.1% | ▼ Trim | 8 | SEC ↗ |
| 21 | Qube Research & Technologies Ltd | 485.38K | +34.5% | $156.17M | 0.2% | ▲ Add | 2 | SEC ↗ |
| 22 | Goldman Sachs Group ✦ | 474.51K | +35.3% | $152.67M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 23 | Northern Trust Corp | 472.58K | +3.7% | $152.05M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 24 | Point72 Asset Management ✦ | 433.06K | -39.9% | $139.33M | 0.3% | ▼ Trim | 8 | SEC ↗ |
| 25 | UBS Group AG | 381.12K | -15.5% | $122.62M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 26 | Nomura Asset Management… | 337.82K | -37.8% | $108.69M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 27 | Third Point ✦ | 320.00K | -65.4% | $102.96M | 4.9% | ▼ Trim | 3 | SEC ↗ |
| 28 | UBS AM, a distinct business unit of… | 316.15K | -0.7% | $101.72M | 0.0% | ▼ Trim | 2 | SEC ↗ ×10 |
| 29 | Bnp Paribas Financial Markets | 313.38K | +83.2% | $100.83M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 30 | Citadel Advisors ✦ | 279.78K | +1215.5% | $90.02M | 0.1% | ▲ Add | 8 | SEC ↗ ×2 |
| 31 | Assenagon Asset Management S.A. | 255.22K | +55.1% | $82.12M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 32 | Ameriprise Financial Inc | 231.80K | -0.3% | $74.58M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 33 | Raymond James Financial Inc | 231.90K | -15.6% | $73.70M | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 34 | Arrowstreet Capital ✦ | 227.28K | +47.9% | $73.13M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 35 | Squarepoint Ops LLC | 225.65K | +96.8% | $72.60M | 0.2% | ▲ Add | 2 | SEC ↗ |
| 36 | JPMorgan Chase ✦ | 202.00K | -6.6% | $61.77M | 0.0% | ▼ Trim | 3 | SEC ↗ ×9 |
| 37 | Manufacturers Life Insurance… | 187.95K | -21.5% | $60.47M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 38 | Amundi | 171.59K | +145.4% | $55.21M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 39 | Gotham Asset Management ✦ | 170.77K | -17.7% | $54.94M | 0.2% | ▼ Trim | 8 | SEC ↗ |
| 40 | Rhumbline Advisers | 168.11K | +2.1% | $54.09M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 41 | Nuveen, LLC | 161.54K | +1.6% | $51.97M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 42 | Northwestern Mutual Wealth… | 152.68K | -19.2% | $49.12M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 43 | Schroder Investment Management Group | 144.55K | n/a | $46.51M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 44 | Principal Financial Group Inc | 137.15K | -8.7% | $44.13M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 45 | Balyasny Asset Management L.P. | 128.63K | +0.4% | $41.38M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 46 | Swiss National Bank | 126.00K | +1.2% | $40.54M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 47 | Wells Fargo & Company/Mn | 117.01K | -14.1% | $37.65M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 48 | California Public Employees… | 116.32K | -0.2% | $37.43M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 49 | Federated Hermes, Inc. | 102.91K | -3.7% | $33.11M | 0.1% | ▼ Trim | 2 | SEC ↗ ×4 |
| 50 | Holocene Advisors, LP | 101.72K | -75.1% | $32.73M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 51 | Two Sigma Investments ✦ | 100.33K | +4.2% | $32.28M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 52 | Jennison Associates Llc | 99.49K | -3.3% | $32.01M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 53 | Envestnet Asset Management Inc | 94.55K | +35.1% | $30.42M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 54 | Jane Street Group, Llc | 93.96K | +2537.0% | $30.23M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 55 | Legal & General Group Plc | 91.86K | -5.1% | $29.55M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 56 | Sei Investments Co | 89.11K | -12.4% | $28.67M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 57 | Alyeska Investment Group, L.P. | 87.49K | +113.9% | $28.15M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 58 | Quantinno Capital Management LP | 84.39K | +15.3% | $27.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 59 | LPL Financial LLC | 80.85K | -2.7% | $26.01M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 60 | Toronto Dominion Bank | 80.03K | +190435.7% | $25.75M | 0.1% | ▲ Add | 2 | SEC ↗ ×3 |
| 61 | Russell Investments Group, Ltd. | 74.85K | -60.1% | $24.08M | 0.0% | ▼ Trim | 2 | SEC ↗ ×9 |
| 62 | California State Teachers… | 73.00K | +22.1% | $23.49M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 63 | Royal Bank Of Canada | 68.97K | -16.6% | $22.19M | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 64 | Hrt Financial Lp | 68.01K | +119.8% | $21.88M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 65 | Zurcher Kantonalbank (Zurich… | 67.37K | -15.8% | $21.67M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 66 | Deutsche Bank Ag\ | 65.98K | -15.7% | $21.23M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 67 | Barclays Plc | 65.57K | -22.2% | $21.10M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 68 | 1832 Asset Management L.P. | 61.00K | New | $19.63M | 0.0% | New | 1 | SEC ↗ |
| 69 | T. Rowe Price ✦ | 60.81K | +11.0% | $19.57M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 70 | Swedbank AB | 58.60K | -8.9% | $18.85M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 71 | Alliancebernstein L.P. | 86.05K | -33.3% | $18.70M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 72 | Hsbc Holdings Plc | 58.37K | -53.5% | $18.69M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 73 | Mirae Asset Global Investments Co.… | 55.49K | New | $17.85M | 0.1% | New | 1 | SEC ↗ |
| 74 | Citigroup Inc | 55.18K | +195.2% | $17.75M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 75 | D. E. Shaw & Co. ✦ | 53.35K | -77.7% | $17.17M | 0.0% | ▼ Trim | 8 | SEC ↗ ×2 |
| 76 | State Board Of Administration Of… | 50.14K | 0.0% | $16.13M | 0.0% | Held | 2 | SEC ↗ |
| 77 | State Of Wisconsin Investment Board | 47.64K | -7.8% | $15.33M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 78 | Daiwa Securities Group Inc. | 47.50K | -25.2% | $15.28M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 79 | Bank Of Nova Scotia | 46.17K | +197.5% | $14.86M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 80 | Cerity Partners LLC | 46.03K | 0.0% | $14.81M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 81 | Asset Management One Co., Ltd. | 45.63K | -23.1% | $14.63M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 82 | LMR Partners LLP | 41.10K | -28.3% | $13.22M | 0.2% | ▼ Trim | 2 | SEC ↗ ×2 |
| 83 | Bridgewater Associates ✦ | 40.14K | +274.3% | $12.91M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 84 | Cwm, Llc | 38.11K | +24.5% | $12.26M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 85 | Storebrand Asset Management As | 35.36K | -22.9% | $11.38M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 86 | Allspring Global Investments… | 33.20K | -36.0% | $11.08M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 87 | TD Waterhouse Canada Inc. | 32.67K | +4676.9% | $11.00M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 88 | Mml Investors Services, Llc | 32.60K | -20.5% | $10.49M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 89 | Connor, Clark & Lunn Investment… | 32.46K | +107.4% | $10.44M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 90 | Stifel Financial Corp | 32.33K | +40.8% | $10.40M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 91 | Tidal Investments LLC | 31.57K | -24.6% | $10.16M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 92 | Osaic Holdings, Inc. | 31.07K | +62.6% | $10.00M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 93 | New York State Common Retirement… | 30.93K | 0.0% | $9.95M | 0.0% | Held | 2 | SEC ↗ |
| 94 | Janus Henderson Group Plc | 27.86K | 0.0% | $8.96M | 0.0% | Held | 2 | SEC ↗ |
| 95 | Danske Bank A/S | 27.36K | -1.4% | $8.80M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 96 | Wealth Enhancement Advisory… | 40.13K | +90.0% | $8.66M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 97 | Fifth Third Bancorp | 26.30K | +3537.1% | $8.46M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 98 | Commonwealth Equity Services, Llc | 24.17K | -8.4% | $7.78M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 99 | Cetera Investment Advisers | 20.27K | +10.8% | $6.52M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 100 | Universal- Beteiligungs- und… | 19.82K | +0.1% | $6.38M | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Lone Pine Capital | $492.60M | 3.9% |
| 1832 Asset Management L.P. | $19.63M | 0.0% |
| Mirae Asset Global… | $17.85M | 0.1% |
Exited
| Capstone Investment Advisors… | $21.95M | was 0.2% |
| Norges Bank | $13.15M | was 0.0% |
| Group One Trading Llc | $1.06M | was 0.0% |
| Simplex Trading, Llc | $546,902 | was 0.0% |
| Mitsubishi UFJ Trust &… | $391,049 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 793 holders, 57.78M shares, $18.15B 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.
Aug 13
SC 13D/A: MAS JOSE RAMON
7.7% of class · View original SEC filing ↗
Aug 13
SC 13D/A: MAS JORGE
14.8% of class · View original SEC filing ↗
Jul 29
SC 13G/A: BlackRock, Inc.
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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