Mammoth Energy Services, Inc.

DB:5M8 Stock Report

Market Cap: €157.1m

Mammoth Energy Services Ownership

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

Recent Insider Transactions

DB:5M8 Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
21 Nov 24Sell€36,086Corey BookerIndividual11,709€3.10
14 Nov 24Sell€36,602Corey BookerIndividual10,707€3.47
11 Nov 24Sell€12,532Corey BookerIndividual3,683€3.66
30 May 24Buy€16,685Arthur AmronIndividual5,000€3.36
12 Mar 24Buy€10,219Arthur AmronIndividual3,000€3.41
19 Dec 23Sell€278,225Arty StraehlaIndividual70,000€3.99
15 Dec 23Sell€484,022Arty StraehlaIndividual120,000€4.07

Insider Trading Volume

Insider Buying: 5M8 insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of 5M8?
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
22,068,212€72.0m-0.05%13.85%
8.42%
Adage Capital Management, L.P.
4,053,723€13.2m-7.87%0.02%
6.52%
ValueWorks LLC
3,136,371€10.2m-5.99%3.36%
3.04%
BlackRock, Inc.
1,464,112€4.8m3.83%no data
2.81%
Royce & Associates, LP
1,351,224€4.4m15.2%0.04%
2.11%
Arty Straehla
1,013,899€3.3m0%no data
1.96%
The Vanguard Group, Inc.
944,344€3.1m21.5%no data
1.86%
Dimensional Fund Advisors LP
892,928€2.9m10.8%no data
1.1%
Geode Capital Management, LLC
528,850€1.7m1.9%no data
1.01%
Bridgeway Capital Management, LLC
486,414€1.6m1.74%0.03%
0.87%
Mark Layton
418,985€1.4m0%no data
0.84%
State Street Global Advisors, Inc.
403,688€1.3m1.36%no data
0.44%
James Palm
212,288€693.0k0%no data
0.42%
Northern Trust Global Investments
201,864€659.0k4.77%no data
0.39%
Arthur Amron
188,581€615.6k0%no data
0.39%
Arthur Smith
187,178€611.0k0%no data
0.38%
Paul Jacobi
182,070€594.3k0%no data
0.35%
Castleknight Management LP
167,433€546.6k0%0.07%
0.31%
BNY Asset Management
149,184€487.0k-10.5%no data
0.28%
Renaissance Technologies LLC
133,672€436.4k2.3%no data
0.25%
Corey Booker
122,632€400.3k-17.6%no data
0.22%
Stifel Asset Management Corp.
105,572€344.6k-1.4%no data
0.17%
Susquehanna International Group, LLP, Asset Management Arm
79,636€260.0k158%no data
0.14%
Citadel Advisors LLC
65,290€213.1k626%no data
0.13%
Morgan Stanley, Investment Banking and Brokerage Investments
63,616€207.7k156%no data