DaveManuel.com · Institutional Ownership · Who Owns It
MASTEC INC (MTZ)
Institutional ownership reported to the SEC as of Q2 2026, across 32 quarters.
923
Reporting holders
$25.7B
Reported value
74.2%
Of shares outstanding
2.4%
Calls
1.4%
Puts
+105
Holder change
Institutions report 59,592,420 shares against 80,304,948 outstanding. Shares only - option lines are excluded, which is why this can be compared with the company at all. The count comes from the cover page of the company's own most recent report, so it is dated when that was filed rather than at quarter end.
Calls and puts are the parts of reported value carried in derivative lines rather than shares, and they point in opposite directions: a manager holding calls is positioned for the security, one holding puts against it - or hedging shares they already own, which is why index funds carry so many. Most sites add the two together and report one figure, which averages away the only interesting part.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | $3.2B | 7,638,487 | 0.05% | 8q | +4.5%+$136.8M |
| PECONIC PARTNERS LLC | $1.5B | 3,678,431 | 19.02% | 4q | +2.8%+$41.6M |
| VANGUARD CAPITAL MANAGEMENT LLC | $1.2B | 2,831,849 | 0.03% | 2q | +1.0%+$11.5M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $1.2B | 2,812,131 | 0.05% | 2q | +1.5%+$17.5M |
| STATE STREET CORP | $934.0M | 2,244,771 | 0.03% | 31q | +20.1%+$156.0M |
| Hill City Capital, LP | $896.6M | 2,155,000 | 20.94% | 15q | HELD |
| JPMORGAN CHASE & CO | $566.8M | 1,318,161 | 0.03% | 31q | +552.5%+$480.0M |
| LONE PINE CAPITAL LLC | $559.7M | 1,345,157 | 3.42% | 2q | -12.1%-$77.3M |
| BANK OF AMERICA CORP /DE/ | $555.8M | 1,335,924 | 0.04% | 31q | HELD |
| FIRST TRUST ADVISORS LP | $552.7M | 1,328,399 | 0.33% | 31q | -5.9%-$34.6M |
| GEODE CAPITAL MANAGEMENT, LLC | $530.4M | 1,278,139 | 0.03% | 31q | -6.8%-$38.9M |
| Invesco Ltd. | $516.5M | 1,241,384 | 0.04% | 31q | +1.3%+$6.5M |
| VICTORY CAPITAL MANAGEMENT INC | $503.5M | 1,210,079 | 0.28% | 31q | -24.0%-$159.1M |
| Hood River Capital Management LLC | $488.4M | 1,173,918 | 3.54% | 23q | -9.4%-$50.5M |
| FMR LLC | $370.3M | 890,103 | 0.02% | 31q | +41.8%+$109.1M |
| AMERIPRISE FINANCIAL INC | $305.8M | 734,976 | 0.06% | 31q | +217.1%+$209.3M |
| Bank of New York Mellon Corp | $280.5M | 674,288 | 0.05% | 31q | +2.8%+$7.6M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $274.8M | 660,440 | 0.33% | 9q | +9.2%+$23.2M |
| AQR CAPITAL MANAGEMENT LLC | $273.6M | 657,603 | 0.10% | 30q | HELD |
| MORGAN STANLEY | $271.9M | 653,503 | 0.01% | 35q | +11.4%+$27.8M |
| DIMENSIONAL FUND ADVISORS LP | $264.8M | 636,286 | 0.05% | 31q | -13.0%-$39.7M |
| Electron Capital Partners, LLC | $258.0M | 620,190 | 10.30% | 23q | -13.0%-$38.6M |
| CANADA PENSION PLAN INVESTMENT BOARD | $257.9M | 619,910 | 0.14% | 10q | -3.0%-$7.9M |
| T. Rowe Price Investment Management, Inc. | $247.0M | 593,724 | 0.16% | new | NEW |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $229.4M | 551,319 | 0.03% | 31q | +7.8%+$16.7M |
| GOLDMAN SACHS GROUP INC | $225.8M | 542,636 | 0.02% | 31q | +14.4%+$28.3M |
| NORDEA INVESTMENT MANAGEMENT AB | $225.5M | 529,463 | 0.18% | 31q | -27.8%-$86.9M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $220.5M incl. $209.4M options CALL+PUT | 26,689 | 0.02% | 31q | +122.8%+$121.5M |
| NORTHERN TRUST CORP | $215.4M | 517,643 | 0.03% | 31q | +9.5%+$18.7M |
| COATUE MANAGEMENT LLC | $215.2M | 517,250 | 0.44% | 3q | -11.4%-$27.6M |
| UBS Group AG | $212.1M | 509,843 | 0.03% | 31q | +33.8%+$53.6M |
| BNP PARIBAS FINANCIAL MARKETS | $181.7M | 436,602 | 0.06% | 31q | +39.3%+$51.3M |
| Qube Research & Technologies Ltd | $170.3M | 409,202 | 0.16% | 8q | -15.7%-$31.7M |
| CITADEL ADVISORS LLC | $168.7M CALL+PUT | options only | 0.02% | 31q | OPTIONS |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $168.0M | 403,709 | 0.03% | 31q | +27.7%+$36.4M |
| VANGUARD FIDUCIARY TRUST CO | $166.1M | 399,194 | 0.04% | 2q | +4.0%+$6.4M |
| Amundi | $166.1M | 399,102 | 0.04% | 6q | +132.6%+$94.7M |
| JANE STREET GROUP, LLC | $159.4M incl. $157.6M options CALL+PUT | 4,464 | 0.01% | 31q | -95.2%-$3.2B |
| WESTFIELD CAPITAL MANAGEMENT CO LP | $155.8M | 374,457 | 0.51% | 2q | +49.8%+$51.8M |
| Anomaly Capital Management, LP | $127.7M | 306,921 | 4.88% | 2q | +36.7%+$34.3M |
| Third Point LLC | $120.7M | 290,000 | 2.58% | 4q | -9.4%-$12.5M |
| PRICE T ROWE ASSOCIATES INC /MD/ | $117.5M | 282,436 | 0.01% | 31q | +364.5%+$92.2M |
| 140 Summer Partners LP | $111.6M | 268,168 | 7.97% | 4q | -18.5%-$25.4M |
| Assenagon Asset Management S.A. | $107.5M | 258,398 | 0.07% | 12q | +1.2%+$1.3M |
| Forest Avenue Capital Management LP | $103.4M | 248,627 | 4.34% | 4q | -7.9%-$8.8M |
| Freestone Grove Partners LP | $102.6M | 246,593 | 0.66% | 7q | +11.9%+$10.9M |
| BESSEMER GROUP INC | $95.9M | 230,471 | 0.13% | 14q | -0.6%-$621.6K |
| Clearbridge Investments, LLC | $90.9M | 218,591 | 0.08% | new | NEW |
| FEDERATED HERMES, INC. | $90.1M | 216,660 | 0.13% | 31q | +110.5%+$47.3M |
| HENNESSY ADVISORS INC | $85.3M | 205,100 | 2.73% | 4q | HELD |
| D. E. Shaw & Co., Inc. | $79.5M incl. $4.5M options CALL | 180,243 | 0.04% | 9q | +237.8%+$56.0M |
| Merewether Investment Management, LP | $79.1M | 190,236 | 1.49% | 7q | -14.7%-$13.7M |
| Nuveen, LLC | $78.7M | 189,055 | 0.02% | 6q | +17.0%+$11.4M |
| RHUMBLINE ADVISERS | $78.5M | 188,673 | 0.06% | 31q | +12.2%+$8.6M |
| Legal & General Group Plc | $75.7M | 181,874 | 0.02% | 31q | +98.0%+$37.5M |
| Point72 Asset Management, L.P. | $73.9M incl. $8.8M options CALL+PUT | 156,309 | 0.08% | 16q | -63.9%-$130.8M |
| SCOPUS ASSET MANAGEMENT, L.P. | $72.0M incl. $45.8M options CALL+PUT | 62,944 | 1.01% | 15q | +75.5%+$31.0M |
| Swiss National Bank | $71.7M | 172,280 | 0.04% | 31q | +36.7%+$19.3M |
| COOPER CREEK PARTNERS MANAGEMENT LLC | $71.3M incl. $45.8M options CALL | 61,295 | 1.69% | new | NEW |
| MAPLELANE CAPITAL, LLC | $70.2M incl. $33.3M options CALL | 88,800 | 1.27% | new | NEW |
| BOWEN HANES & CO INC | $69.3M | 215,465 | 1.69% | 3q | HELD |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $69.2M | 166,345 | 0.03% | 7q | -26.8%-$25.4M |
| RAYMOND JAMES FINANCIAL INC | $68.8M | 165,376 | 0.02% | 7q | -28.7%-$27.7M |
| WELLS FARGO & COMPANY/MN | $65.3M incl. $15.6M options CALL | 119,416 | 0.01% | 31q | +2.1%+$1.3M |
| OP Asset Management Ltd | $64.5M | 154,952 | 0.69% | 6q | -15.5%-$11.8M |
| Gotham Asset Management, LLC | $63.1M | 151,587 | 0.15% | 19q | -11.2%-$8.0M |
| Yaupon Capital Management LP | $62.4M PUT | options only | 1.23% | new | OPTIONS |
| IMC-Chicago, LLC | $61.5M CALL+PUT | options only | 0.01% | 11q | OPTIONS |
| TORTOISE CAPITAL ADVISORS, L.L.C. | $59.8M | 143,731 | 0.61% | 4q | +683.7%+$52.2M |
| COUNTRY TRUST BANK | $58.9M | 141,500 | 1.03% | 19q | +7.5%+$4.1M |
| PRINCIPAL FINANCIAL GROUP INC | $57.9M | 139,227 | 0.03% | 31q | +1.5%+$863.7K |
| Quantinno Capital Management LP | $57.0M | 136,950 | 0.07% | 15q | +62.3%+$21.9M |
| LORD, ABBETT & CO. LLC | $56.9M | 136,849 | 0.16% | 7q | -25.7%-$19.7M |
| Newbrook Capital Advisors LP | $55.9M | 134,430 | 7.55% | 2q | +19.0%+$8.9M |
| TWO SIGMA INVESTMENTS, LP | $55.7M incl. $3.6M options CALL+PUT | 125,069 | 0.04% | 15q | +24.7%+$11.0M |
| KIRR MARBACH & CO LLC /IN/ | $55.6M | 133,726 | 9.37% | 31q | -16.5%-$11.0M |
| ACADIAN ASSET MANAGEMENT LLC | $54.9M | 132,007 | 0.07% | 5q | +3134.7%+$53.2M |
| HILLMAN CO | $54.5M | 130,909 | 19.27% | 4q | -9.5%-$5.7M |
| GROUP ONE TRADING LLC | $53.2M CALL+PUT | options only | 0.07% | 31q | OPTIONS |
| California Public Employees Retirement System | $52.7M | 126,663 | 0.03% | 31q | +8.9%+$4.3M |
| Vontobel Holding Ltd. | $52.1M | 125,301 | 0.17% | 20q | -30.6%-$23.0M |
| Sumitomo Mitsui Trust Group, Inc. | $51.7M | 124,282 | 0.03% | 7q | +1270.0%+$47.9M |
| Legacy Advisors, LLC | $51.7M | 124,181 | 4.83% | 18q | +32.2%+$12.6M |
| DEUTSCHE BANK AG\ | $49.4M | 118,727 | 0.01% | 34q | +79.9%+$21.9M |
| SEI INVESTMENTS CO | $48.5M | 116,639 | 0.04% | 31q | +30.9%+$11.5M |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $46.6M | 112,100 | 0.07% | 2q | +614.0%+$40.1M |
| BARCLAYS PLC | $45.0M | 108,074 | 0.01% | 31q | +64.8%+$17.7M |
| Goodlander Investment Management, LLC | $43.7M | 105,000 | 13.19% | 7q | -27.6%-$16.6M |
| ENVESTNET ASSET MANAGEMENT INC | $43.1M | 103,679 | 0.01% | 31q | +9.7%+$3.8M |
| SAMLYN CAPITAL, LLC | $41.9M | 100,636 | 0.68% | 11q | -27.1%-$15.6M |
| JENNISON ASSOCIATES LLC | $39.0M | 93,701 | 0.02% | 10q | -5.8%-$2.4M |
| LPL Financial LLC | $38.8M | 93,274 | 0.01% | 23q | +15.4%+$5.2M |
| ROYAL BANK OF CANADA | $38.1M | 91,680 | 0.01% | 31q | +32.9%+$9.4M |
| KBC Group NV | $37.9M | 91,187 | 0.08% | 12q | +4524.1%+$37.1M |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | $37.2M | 89,451 | 0.03% | 31q | +22.5%+$6.8M |
| ThornTree Capital Partners LP | $36.5M | 87,828 | 5.00% | 2q | -22.1%-$10.4M |
| HSBC HOLDINGS PLC | $35.9M | 86,514 | 0.01% | 31q | +48.2%+$11.7M |
| LGT Group Foundation | $35.5M | 85,310 | 0.40% | 2q | +5.1%+$1.7M |
| Zimmer Partners, LP | $35.4M | 85,000 | 0.81% | new | NEW |
| CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT | $34.4M | 82,800 | 1.54% | 7q | +16.8%+$5.0M |
Showing the largest 100 of 923 reported holders.
What the company announced
Form 8-K filings from the last 120 days, showing only the items worth a reader's attention. Earnings releases, exhibit attachments and general disclosures are filed constantly and are left out. Filed is when the SEC received it; event is the date the company says the thing happened.
| Filed | Event date | What | Source |
|---|---|---|---|
| 2026-08-17 | 2026-08-17 | Material agreement entered | filing |
| 2026-08-10 | 2026-08-06 | Material agreement entered | filing |
What the insiders did
Open market purchases and sales reported on Form 4 in the last 180 days. Grants, option exercises and shares surrendered to cover tax are left out: they are compensation rather than a decision to buy or sell. Where a broker filled one order in tranches the lines are summed, because it was one decision.
Officers and directors
| Date | Insider | Role | Side | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-03 | Csiszar Ernst N | Director | Sold | 6,500 | $2.4M |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q3 2026 | 210 | $532.3M | 2,484,298 | 25 | 61 | 67 | 0.0% |
| Q2 2026 | 923 | $25.7B | 59,592,420 | 178 | 308 | 287 | 3.7% |
| Q1 2026 | 818 | $19.0B | 58,036,835 | 175 | 240 | 251 | 2.1% |
| Q4 2025 | 700 | $13.1B | 58,804,194 | 86 | 224 | 216 | 2.5% |
| Q3 2025 | 658 | $12.5B | 57,475,774 | 133 | 193 | 215 | 1.9% |
| Q2 2025 | 601 | $9.7B | 55,854,260 | 116 | 190 | 179 | 2.0% |
| Q1 2025 | 531 | $6.7B | 56,403,155 | 78 | 196 | 150 | 2.1% |
| Q4 2024 | 541 | $8.1B | 58,111,439 | 89 | 176 | 150 | 2.2% |
| Q3 2024 | 476 | $7.4B | 58,165,261 | 81 | 138 | 143 | 3.5% |
| Q2 2024 | 439 | $6.7B | 59,865,956 | 80 | 125 | 144 | 3.9% |
| Q1 2024 | 393 | $6.0B | 60,641,632 | 58 | 105 | 132 | 5.2% |
| Q4 2023 | 377 | $5.0B | 62,848,497 | 55 | 116 | 113 | 4.7% |
| Q3 2023 | 387 | $4.2B | 57,119,294 | 57 | 102 | 139 | 1.9% |
| Q2 2023 | 398 | $6.9B | 58,113,287 | 36 | 108 | 151 | 1.0% |
| Q1 2023 | 397 | $5.6B | 58,818,861 | 46 | 118 | 132 | 1.0% |
| Q4 2022 | 390 | $5.0B | 58,426,040 | 75 | 104 | 139 | 1.0% |
| Q3 2022 | 327 | $4.4B | 67,629,888 | 39 | 87 | 116 | 0.7% |
| Q2 2022 | 344 | $5.0B | 68,612,876 | 31 | 102 | 133 | 0.8% |
| Q1 2022 | 374 | $6.1B | 69,960,919 | 49 | 139 | 107 | 0.6% |
| Q4 2021 | 384 | $6.6B | 71,511,464 | 51 | 95 | 131 | 0.7% |
| Q3 2021 | 361 | $6.0B | 68,652,399 | 31 | 115 | 123 | 1.5% |
| Q2 2021 | 413 | $13.2B | 123,835,822 | 61 | 108 | 164 | 0.7% |
| Q1 2021 | 389 | $11.5B | 122,273,729 | 79 | 105 | 131 | 0.7% |
| Q4 2020 | 354 | $6.3B | 90,834,989 | 62 | 92 | 134 | 1.1% |
| Q3 2020 | 322 | $3.9B | 103,129,331 | 44 | 83 | 139 | 0.8% |
| Q2 2020 | 316 | $6.1B | 154,921,263 | 57 | 91 | 124 | 0.6% |
| Q1 2020 | 312 | $24.8B | 756,580,679 | 28 | 106 | 128 | 0.2% |
| Q4 2019 | 393 | $8.0B | 122,323,540 | 65 | 116 | 145 | 1.3% |
| Q3 2019 | 365 | $12.7B | 193,815,575 | 82 | 91 | 139 | 0.8% |
| Q2 2019 | 314 | $10.9B | 211,712,773 | 39 | 88 | 118 | 0.4% |
| Q1 2019 | 332 | $10.7B | 220,281,381 | 62 | 74 | 127 | 0.7% |
| Q4 2018 | 301 | $48.2B | 1,185,393,439 | 5 | 10 | 2 | 0.2% |