Driehaus Capital Management’s Mammoth Energy Services TUSK Stock Holding History

Driehaus Capital 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
2018 Q3	–	Sell	-173,662	Closed	-$5.9M	–	548
2018 Q2	$5.9M	Sell	173,662 -101,397	-37%	-$3.56M	0.2%	150
2018 Q1	$8.82M	Buy	+275,059	New	+$6.87M	0.31%	84
2017 Q3	–	Sell	-185,412	Closed	-$3.45M	–	604
2017 Q2	$3.45M	Sell	185,412 -13,720	-7%	-$256K	0.13%	188
2017 Q1	$4.28M	Sell	199,132 -93,599	-32%	-$1.79M	0.15%	160
2016 Q4	$4.45M	Buy	+292,731	New	+$4.33M	0.16%	139

Other funds holding TUSK

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

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

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

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

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

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

PCM

Penn Capital Management Philadelphia, Pennsylvania $1.29B AUM 53.44% 1-Year Est. Return

Prudential Financial Newark, New Jersey $81.2B AUM 27.81% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Allianz Asset Management Munich, Germany $95.4B AUM 38.74% 1-Year Est. Return

Driehaus Capital Management's TUSK Position: Q3 2018 in Review

Driehaus Capital Management sold out of Mammoth Energy Services (TUSK) in Q3 2018, closing a stake of 173,662 shares — an estimated $5.9M sold.

Driehaus Capital Management first reported a position in TUSK in Q4 2016 and held it in 5 quarters. The position peaked at $8.82M in Q1 2018. 136 funds tracked by Wall St. Rank hold TUSK as of Q3 2018.

Driehaus Capital Management reported no remaining Mammoth Energy Services position as of Q3 2018 after selling out during the quarter.
Driehaus Capital Management sold 173,662 Mammoth Energy Services shares in Q3 2018, an estimated $5.9M.
Driehaus Capital Management first reported a position in Mammoth Energy Services in Q4 2016 and held it in 5 quarters.
Driehaus Capital Management's Mammoth Energy Services position peaked at $8.82M in Q1 2018.
136 funds tracked by Wall St. Rank held Mammoth Energy Services as of Q3 2018.

Based on Driehaus Capital Management's 13F filing for Q3 2018, filed 14 Nov 2018.