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Mammoth Energy Services
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Overview Fund Activity

136 hedge funds and large institutions have $617M invested in Mammoth Energy Services in 2019 Q1 according to their latest regulatory filings, with 29 funds opening new positions, 41 increasing their positions, 46 reducing their positions, and 23 closing their positions.

Holders
136
Holders Change
+6
Holders Change %
+4.62%
% of All Funds
2.95%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
29
Increased
41
Reduced
46
Closed
23
Calls
$694K
Puts
$1.11M
Net Calls
-$411K
Net Calls Change
-$170K

Top Buyers

1
Janus Henderson Group
1
Janus Henderson Group
United Kingdom
$24.4M
2
Schroder Investment Management Group
2
Schroder Investment Management Group
United Kingdom
$5.8M
3
State of New Jersey Common Pension Fund D
3
State of New Jersey Common Pension Fund D
New Jersey
$3.66M
4
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$9.58M
5
Hotchkis & Wiley Capital Management
5
Hotchkis & Wiley Capital Management
California
$3.09M

Top Sellers

1
Boston Partners
1
Boston Partners
Massachusetts
$7.74M
2
Russell Investments Group
2
Russell Investments Group
United Kingdom
$18.6M
3
BGIM
3
Brandywine Global Investment Management
Pennsylvania
$0
4
Allianz Asset Management
4
Allianz Asset Management
Germany
$9.53M
5
NC
5
Northpointe Capital
Michigan
$246K
Name Market Value Shares Shares
Change 		Shares
Change %
WC
1
Wexford Capital
Florida
$366M 21,988,473 – –
Janus Henderson Group
2
Janus Henderson Group
United Kingdom
$24.4M 1,467,133 +743,129 +103%
Russell Investments Group
3
Russell Investments Group
United Kingdom
$18.6M 1,116,412 -290,212 -21%
Vanguard Group
4
Vanguard Group
Pennsylvania
$15M 899,232 +41,741 +5%
BlackRock
5
BlackRock
New York
$14M 841,468 +47,089 +6%
Principal Financial Group
6
Principal Financial Group
Iowa
$13M 783,007 +37,745 +5%
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$9.58M 575,394 +202,349 +54%
Allianz Asset Management
8
Allianz Asset Management
Germany
$9.53M 572,484 -161,732 -22%
Boston Partners
9
Boston Partners
Massachusetts
$7.74M 464,618 -436,202 -48%
PCM
10
Penn Capital Management
Pennsylvania
$6.87M 412,732 -44,054 -10%
Prudential Financial
11
Prudential Financial
New Jersey
$6.53M 392,025 -66,933 -15%
Bank of New York Mellon
12
Bank of New York Mellon
New York
$5.85M 351,095 +10,226 +3%
Schroder Investment Management Group
13
Schroder Investment Management Group
United Kingdom
$5.8M 348,307 +331,407 +1,961%
RA
14
Royce & Associates
New York
$5.52M 331,470 +19,031 +6%
New York State Common Retirement Fund
15
New York State Common Retirement Fund
New York
$4.74M 284,926 – –
TA
16
Teachers Advisors
New York
$4.64M 278,828 -2,800 -1%
AQR Capital Management
17
AQR Capital Management
Connecticut
$4.43M 265,813 -105,646 -28%
BCM
18
Bridgeway Capital Management
Texas
$4.19M 251,400 – –
State Street
19
State Street
Massachusetts
$3.88M 233,053 -4,204 -2%
Northern Trust
20
Northern Trust
Illinois
$3.7M 221,974 +5,214 +2%
State of New Jersey Common Pension Fund D
21
State of New Jersey Common Pension Fund D
New Jersey
$3.66M 220,000 +220,000 New
Bank of America
22
Bank of America
North Carolina
$3.52M 211,348 +101,203 +92%
LSV Asset Management
23
LSV Asset Management
Illinois
$3.33M 199,900 +65,865 +49%
CAM
24
Cortina Asset Management
Wisconsin
$3.16M 189,666 -5,885 -3%
Hotchkis & Wiley Capital Management
25
Hotchkis & Wiley Capital Management
California
$3.09M 185,570 +185,570 New
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