Securian Asset Management Inc. raised its holdings in shares of MasTec by 2.2% in the first quarter. Securian Asset Management Inc. now owns 4,719 shares of the construction company's stock worth $551,000 after buying an additional 100 shares during the last quarter. Nisa Investment Advisors LLC lifted its stake in shares of MasTec by 16.3% during the first quarter. Nisa Investment Advisors LLC now owns 743 shares of the construction company's stock worth $87,000 after buying an additional 104 shares during the period. Finally, Avantax Advisory Services Inc. grew its holdings in shares of MasTec by 3.4% during the first quarter. Avantax Advisory Services Inc. now owns 3,721 shares of the construction company's stock valued at $434,000 after buying an additional 121 shares during the last quarter. 78.10% of the stock is currently owned by institutional investors.