Mammoth Energy Services, Inc.

NasdaqGS:TUSK Stock Report

Market Cap: US$164.6m

Mammoth Energy Services Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:TUSK Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
21 Nov 24SellUS$37,854Corey BookerIndividual11,709US$3.25
14 Nov 24SellUS$38,724Corey BookerIndividual10,707US$3.68
11 Nov 24SellUS$13,347Corey BookerIndividual3,683US$3.90
30 May 24BuyUS$18,092Arthur AmronIndividual5,000US$3.65
12 Mar 24BuyUS$11,157Arthur AmronIndividual3,000US$3.72
19 Dec 23SellUS$305,440Arty StraehlaIndividual70,000US$4.38
15 Dec 23SellUS$528,235Arty StraehlaIndividual120,000US$4.44

Insider Trading Volume

Insider Buying: TUSK insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of TUSK?
Owner TypeNumber of SharesOwnership Percentage
Individual Insiders2,325,6334.83%
General Public8,568,32217.8%
Institutions11,111,47923.1%
Hedge Funds26,121,93554.3%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 80.25% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
45.9%
Wexford Capital LP
22,068,212US$75.5m-0.05%13.85%
8.42%
Adage Capital Management, L.P.
4,053,723US$13.9m-7.87%0.02%
6.52%
ValueWorks LLC
3,136,371US$10.7m-5.99%3.36%
3.04%
BlackRock, Inc.
1,464,112US$5.0m3.83%no data
2.81%
Royce & Associates, LP
1,351,224US$4.6m15.2%0.04%
2.11%
Arty Straehla
1,013,899US$3.5m0%no data
1.96%
The Vanguard Group, Inc.
944,344US$3.2m21.5%no data
1.86%
Dimensional Fund Advisors LP
892,928US$3.1m10.8%no data
1.1%
Geode Capital Management, LLC
528,850US$1.8m1.9%no data
1.01%
Bridgeway Capital Management, LLC
486,414US$1.7m1.74%0.03%
0.87%
Mark Layton
418,985US$1.4m0%no data
0.84%
State Street Global Advisors, Inc.
403,688US$1.4m1.36%no data
0.44%
James Palm
212,288US$726.0k0%no data
0.42%
Northern Trust Global Investments
201,864US$690.4k4.77%no data
0.39%
Arthur Amron
188,581US$645.0k0%no data
0.39%
Arthur Smith
187,178US$640.1k0%no data
0.38%
Paul Jacobi
182,070US$622.7k0%no data
0.35%
Castleknight Management LP
167,433US$572.6k0%0.07%
0.31%
BNY Asset Management
149,184US$510.2k-10.5%no data
0.28%
Renaissance Technologies LLC
133,672US$457.2k2.3%no data
0.25%
Corey Booker
122,632US$419.4k-17.6%no data
0.22%
Stifel Asset Management Corp.
105,572US$361.1k-1.4%no data
0.17%
Susquehanna International Group, LLP, Asset Management Arm
79,636US$272.4k158%no data
0.14%
Citadel Advisors LLC
65,290US$223.3k626%no data
0.13%
Morgan Stanley, Investment Banking and Brokerage Investments
63,616US$217.6k156%no data