MAMMOTH ENERGY SVCS INC

Ticker: TUSK CUSIP: 56155L108 Class: COM

ZACKS INVESTMENT MANAGEMENT's Holding History (CIK: 0001086483)

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

Q2 2018

Shares 88,537 Value ($000) $3,007 Avg Close $35.13 Range $28.34 - $42.30

Q1 2018

Shares 55,006 Value ($000) $1,763 Avg Close $24.99 Range $18.66 - $33.67

Q4 2017

Shares 57,522 Value ($000) $1,129 Avg Close $18.21 Range $14.21 - $21.32

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	88,537	$3,007	$35.13	$28.34 - $42.30
Q1 2018	55,006	$1,763	$24.99	$18.66 - $33.67
Q4 2017	57,522	$1,129	$18.21	$14.21 - $21.32