Cortina Asset Management’s Mammoth Energy Services TUSK Stock Holding History

Cortina Asset Management’s Portfolio TUSK Stock Details TUSK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2019 Q2	–	Sell	-189,666	Closed	-$3.16M	–	188
2019 Q1	$3.16M	Sell	189,666 -5,885	-3%	-$126K	0.2%	164
2018 Q4	$3.52M	Buy	195,551 +29,657	+18%	+$729K	0.22%	176
2018 Q3	$4.83M	Sell	165,894 -18,903	-10%	-$623K	0.23%	170
2018 Q2	$6.28M	Sell	184,797 -62,758	-25%	-$2.2M	0.3%	122
2018 Q1	$7.94M	Sell	247,555 -95,875	-28%	-$2.4M	0.39%	80
2017 Q4	$6.74M	Buy	343,430 +75,127	+28%	+$1.37M	0.3%	118
2017 Q3	$4.52M	Sell	268,303 -2,354	-0.9%	-$34.4K	0.19%	188
2017 Q2	$5.03M	Buy	270,657 +243,101	+882%	+$4.54M	0.21%	173
2017 Q1	$593K	Buy	+27,556	New	+$526K	0.02%	218

Other funds holding TUSK

Wexford Capital West Palm Beach, Florida $690M AUM 57.92% 1-Year Est. Return

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

Russell Investments Group London, United Kingdom $93.1B AUM 28.26% 1-Year Est. Return

Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return

Hotchkis & Wiley Capital Management Los Angeles, California $32.4B AUM 17.21% 1-Year Est. Return

Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return

Cortina Asset Management's TUSK Position: Q2 2019 in Review

Cortina Asset Management sold out of Mammoth Energy Services (TUSK) in Q2 2019, closing a stake of 189,666 shares — an estimated $3.16M sold.

Cortina Asset Management first reported a position in TUSK in Q1 2017 and held it in 9 quarters. The position peaked at $7.94M in Q1 2018. 100 funds tracked by Wall St. Rank hold TUSK as of Q2 2019.

Cortina Asset Management reported no remaining Mammoth Energy Services position as of Q2 2019 after selling out during the quarter.
Cortina Asset Management sold 189,666 Mammoth Energy Services shares in Q2 2019, an estimated $3.16M.
Cortina Asset Management first reported a position in Mammoth Energy Services in Q1 2017 and held it in 9 quarters.
Cortina Asset Management's Mammoth Energy Services position peaked at $7.94M in Q1 2018.
100 funds tracked by Wall St. Rank held Mammoth Energy Services as of Q2 2019.

Based on Cortina Asset Management's 13F filing for Q2 2019, filed 2 Jul 2019.