MASTEC INC

Ticker: MTZ CUSIP: 576323109 Class: COM

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

Note: Option positions (PUT/CALL) are excluded.

Q2 2018
Shares 7,513 Value ($000) $381 Avg Close $48.31 Range $43.90 - $54.70