Stock Ownership/MTZ

MASTEC INC (MTZ): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in MTZ · Industrials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
35
13F filers
Aggregate Value
$1.9B
Across holders
Last Price
$255.36
2026-08-24
Sector
Industrials
GICS
Quarterly fund activity14 increased20 reduced6 exited
Full exits: FARALLON CAPITAL MANAGEMENT LLC, CITADEL ADVISORS LLC, MARSHALL WACE, LLP, Holocene Advisors, LP, Rokos Capital Management LLP, Ancora Advisors, LLC
Institutional Holders of MTZ
↗
35 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
LONE PINE CAPITAL LLC
CIK 0001061165
Hedge Fund1.35M$559.7M28.8%3.4%Reduced$-77.3MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund658K$273.6M14.1%0.1%Reduced+$273.6MQ2 2026
COATUE MANAGEMENT LLC
CIK 0001135730
Hedge Fund517K$215.2M11.1%0.4%Reduced+$104.4MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund409K$170.3M8.8%0.2%Reduced$-31.7MQ2 2026
Third Point LLC
CIK 0001040273
Hedge Fund290K$120.7M6.2%2.6%Reduced$-12.5MQ2 2026
Clearbridge Investments, LLC
CIK 0001348883
Hedge Fund219K$90.9M4.7%0.1%Added—Q2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund180K$75.0M3.9%0.0%Added+$48.0MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund166K$69.2M3.6%0.0%Reduced$-25.4MQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund156K$65.0M3.3%0.1%Reduced+$62.4MQ2 2026
Gotham Asset Management, LLC
CIK 0001510387
Hedge Fund152K$63.1M3.2%0.1%Reduced$-8.0MQ2 2026
LONE PINE CAPITAL LLCReduced
Hedge Fund
$559.7M· 28.8% of total· 3.4% port· 1.35M sh· $-77.3M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$273.6M· 14.1% of total· 0.1% port· 658K sh· +$273.6M QoQ· Q2 2026
COATUE MANAGEMENT LLCReduced
Hedge Fund
$215.2M· 11.1% of total· 0.4% port· 517K sh· +$104.4M QoQ· Q2 2026
Qube Research & Technologies LtdReduced
Hedge Fund
$170.3M· 8.8% of total· 0.2% port· 409K sh· $-31.7M QoQ· Q2 2026
Third Point LLCReduced
Hedge Fund
$120.7M· 6.2% of total· 2.6% port· 290K sh· $-12.5M QoQ· Q2 2026
Clearbridge Investments, LLCAdded
Hedge Fund
$90.9M· 4.7% of total· 0.1% port· 219K sh· — QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$75.0M· 3.9% of total· 0.0% port· 180K sh· +$48.0M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPReduced
Hedge Fund
$69.2M· 3.6% of total· 0.0% port· 166K sh· $-25.4M QoQ· Q2 2026
Point72 Asset Management, L.P.Reduced
Hedge Fund
$65.0M· 3.3% of total· 0.1% port· 156K sh· +$62.4M QoQ· Q2 2026
Gotham Asset Management, LLCReduced
Hedge Fund
$63.1M· 3.2% of total· 0.1% port· 152K sh· $-8.0M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$52.0M· 2.7% of total· 0.0% port· 125K sh· +$10.3M QoQ· Q2 2026
MAPLELANE CAPITAL, LLCAdded
Hedge Fund
$36.9M· 1.9% of total· 0.7% port· 89K sh· — QoQ· Q2 2026
MAKENA CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$25.2M· 1.3% of total· 2.6% port· 60K sh· $-7.8M QoQ· Q2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLCUnchanged
Hedge Fund
$18.7M· 1.0% of total· 0.1% port· 45K sh· +$0 QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$18.3M· 0.9% of total· 0.0% port· 44K sh· +$17.9M QoQ· Q2 2026
TCW GROUP INCAdded
Hedge Fund
$10.9M· 0.6% of total· 0.1% port· 26K sh· +$1.0M QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$10.2M· 0.5% of total· 0.0% port· 24K sh· +$8.7M QoQ· Q2 2026
Brevan Howard Capital Management LPReduced
Hedge Fund
$9.4M· 0.5% of total· 0.1% port· 23K sh· +$4.8M QoQ· Q2 2026
Schonfeld Strategic Advisors LLCReduced
Hedge Fund
$9.1M· 0.5% of total· 0.0% port· 22K sh· $-1.0M QoQ· Q2 2026
PineBridge Investments, L.P.Reduced
Hedge Fund
$9.0M· 0.5% of total· 0.1% port· 42K sh· $-7.5M QoQ· Q3 2025
Walleye Capital LLCReduced
Hedge Fund
$8.1M· 0.4% of total· 0.0% port· 19K sh· +$6.7M QoQ· Q2 2026
Hudson Bay Capital Management LPAdded
Hedge Fund
$5.7M· 0.3% of total· 0.0% port· 14K sh· +$5.7M QoQ· Q2 2026
MOORE CAPITAL MANAGEMENT, LPAdded
Hedge Fund
$3.9M· 0.2% of total· 0.1% port· 9K sh· — QoQ· Q2 2026
SOROS FUND MANAGEMENT LLCAdded
Family Office
$3.4M· 0.2% of total· 0.0% port· 8K sh· +$1.8M QoQ· Q2 2026
MARINER INVESTMENT GROUP LLCAdded
Hedge Fund
$3.3M· 0.2% of total· 0.7% port· 8K sh· +$832K QoQ· Q2 2026
Man Group plcReduced
Hedge Fund
$3.1M· 0.2% of total· 0.0% port· 8K sh· $-750K QoQ· Q2 2026
Bridgewater Associates, LPReduced
Hedge Fund
$2.9M· 0.1% of total· 0.0% port· 7K sh· $-13.8M QoQ· Q2 2026
FRED ALGER MANAGEMENT, LLCAdded
Hedge Fund
$2.6M· 0.1% of total· 0.0% port· 6K sh· — QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$2.5M· 0.1% of total· 0.2% port· 6K sh· — QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$1.7M· 0.1% of total· 0.0% port· 4K sh· $-3.0M QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$1.5M· 0.1% of total· 0.0% port· 3K sh· — QoQ· Q2 2026
CAXTON ASSOCIATES LLPAdded
Hedge Fund
$865K· 0.0% of total· 0.0% port· 2K sh· — QoQ· Q2 2026
Grantham, Mayo, Van Otterloo & Co. LLCAdded
Institutional Manager
$352K· 0.0% of total· 0.0% port· 847 sh· — QoQ· Q2 2026
BROOKFIELD Corp /ON/Reduced
Hedge Fund
$124K· 0.0% of total· 0.0% port· 297 sh· $-832 QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCReduced
Hedge Fund
$38K· 0.0% of total· 0.0% port· 91 sh· $-53.5M QoQ· Q2 2026
1–10 of 35
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