Lone Pine Capital Adds $556M in MasTec, Inc. ($MTZ)

Lone Pine Capital has taken a new position in MasTec, Inc. (NYSE:MTZ), according to its latest Form 13F filing with the SEC. The fund acquired 1,531,050 shares valued at approximately $555.7 million. This marks a significant new investment as of the latest reporting period.

What Changed in Lone Pine Capital's MasTec Position

Lone Pine Capital's recent filing reveals a new investment in MasTec, Inc., with the fund buying 1,531,050 shares. This acquisition is valued at about $555.7 million, establishing a noteworthy position in the engineering and construction firm.

Other Institutional Activity in MasTec

BlackRock, Inc. increased its holdings in MasTec by 198,355 shares, bringing its total to 7,309,609 shares worth about $2.35 billion. Peconic Partners LLC significantly boosted its stake by 1,978,431 shares, ending with 3,578,431 shares valued at $1.15 billion. Vanguard Capital Management LLC and Vanguard Portfolio Management LLC both acquired new positions, each holding over 2.8 million shares valued at around $902.3 million and $891.2 million, respectively. Hill City Capital, LP maintained its position with 2,155,000 shares worth $693.3 million.

MasTec Stock Snapshot

Shares of MasTec, Inc. (NYSE:MTZ) recently traded near $362.97. The company has a market cap of approximately $28.68 billion and a P/E ratio of 63.68. MasTec's stock has seen a 52-week low of $159.98 and a high of $441.43. It has a 50-day moving average of $380.75 and a 200-day moving average of $269.68. The firm's beta is 1.787, indicating higher volatility compared to the broader market.

Recent Earnings

MasTec reported revenue of approximately $15.28 billion, reflecting a growth rate of 34.5%. The company posted an EPS of $5.70, with a net margin of 2.945% and a return on equity of 15.014%. The next earnings release is scheduled for July 30, 2026.

Insider Buying and Selling at MasTec, Inc.

Several insider transactions were reported at MasTec. On June 3, 2026, Ernst Csiszar sold 6,500 shares at an average price of $371.17. On May 15, 2026, Ernst Csiszar and Ava Parker each bought small amounts of shares, while Ava Parker and others sold shares at around $434.77.

Analysts Set New Price Targets

On May 21, 2026, CICC initiated coverage on MasTec with a "buy" rating and a $480.00 price target. On May 13, JP Morgan maintained its "buy" rating with a $491.00 target, and Guggenheim upgraded the stock to a "buy" with a $480.00 target. Keybanc and Cantor Fitzgerald also maintained "buy" ratings with targets of $500.00 and $545.00, respectively. The consensus among analysts is a "strong buy," with a mean target price of $473.05 based on 20 opinions.

About MasTec, Inc.

MasTec, Inc. is an infrastructure engineering and construction company headquartered in Coral Gables, Florida. It provides services such as engineering, construction, installation, maintenance, and upgrades for communications, energy, and utility infrastructures primarily in the U.S. and Canada. The company operates in sectors like communications, clean energy, and pipeline infrastructure. Led by CEO Jose Ramon Mas, MasTec employs about 37,000 people.

Bottom Line

Lone Pine Capital's new stake in MasTec indicates strong interest in the company's growth potential. As a major player in infrastructure, MasTec is closely watched by investors for its performance in the engineering and construction sector. Remember, 13F filings are historical and may not reflect current positions. Investors should consider the broader market context when evaluating such filings.