Calamos reduced its Quanta position
Calamos Advisors LLC reported selling 15,666 shares of Quanta Services during the third quarter, reducing its position by 14.1%. The investment advisory firm still held 95,618 shares, representing approximately 0.06% of the company, according to its most recent Form 13F filing with the Securities and Exchange Commission.
Remaining stake was valued at $61.4 million
Calamos's retained Quanta Services shares were valued at $61,436,000 as of its latest regulatory filing. The filing disclosed the size of the stake and the reported sale; it did not state the price received for the 15,666 shares sold or the cash amount involved in the transaction.
Institutional ownership remained concentrated
The coverage said hedge funds and other institutional investors collectively owned 90.49% of Quanta Services stock. Quanta Services itself did not announce the Calamos transaction, which was disclosed through Calamos's Form 13F filing.
The sale followed quarterly earnings
Quanta Services reported quarterly earnings on October 29, 2026. Its earnings per share were $6.06, compared with an estimate of $5.02, while revenue was $12.01 billion versus an estimate of $11.03 billion. Revenue increased 57.4% year over year. Those results provide timing context for the filing but do not establish that Calamos sold its shares in response to them.
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