Institutional shares held 36.1 Million
0 calls
43K puts
Total value of holdings $71.2M
$0 calls
$84K puts
Market Cap $93.2M
47,312,300 Shares Out.
Institutional ownership 76.35%
# of Institutions 80


Latest Institutional Activity in TUSK

Top Purchases

Q3 2025
Jpmorgan Chase & CO Shares Held: 183K ($360K)
Q3 2025
Citadel Advisors LLC Shares Held: 268K ($529K)
Q3 2025
Deutsche Bank Ag\ Shares Held: 72.2K ($142K)
Q3 2025
Bridgeway Capital Management, LLC Shares Held: 390K ($768K)
Q3 2025
Jane Street Group, LLC Shares Held: 51.8K ($102K)

Top Sells

Q3 2025
Valueworks LLC Shares Held: 2.04M ($4.02M)
Q3 2025
Wellington Management Group LLP Shares Held: 56.4K ($111K)
Q3 2025
Dimensional Fund Advisors LP Shares Held: 936K ($1.84M)
Q3 2025
Susquehanna International Group, LLP Shares Held: 72.9K ($144K)
Q3 2025
Morgan Stanley Shares Held: 145K ($286K)

About TUSK

Mammoth Energy Services, Inc. operates as an energy service company. The company operates in four segments: Infrastructure Services, Well Completion Services, Natural Sand Proppant Services, and Drilling Services. The Infrastructure Services segment offers a range of services on electric transmission and distribution, and networks and substation facilities, including engineering, design, construction, upgrade, maintenance, and repair of high voltage transmission lines, substations, and lower voltage overhead and underground distribution systems; storm repair and restoration services; and commercial services comprising installation, maintenance, and repair of commercial wiring. The Well Completion Services segment provides high-pressure hydraulic fracturing services to enhance the production of oil and natural gas from formations having low permeability, and sand hauling and water transfer services. The Natural Sand Proppant Services segment is involved in mining, processing, and selling natural sand proppant used for hydraulic fracturing; buying processed sand from suppliers on the spot market and reselling that sand; and providing logistics solutions to facilitate delivery of frac sand products. The Drilling Services segment offers contract land and directional drilling services, as well as rig moving services. The company also offers other services, including aviation, coil tubing, pressure control, flowback, cementing, acidizing, equipment rental, crude oil hauling, full-service transportation, and remote accommodation services, as well as equipment manufacturing, and infrastructure engineering and design. It serves government-funded utilities, private and public investor owned utilities, co-operative utilities, independent oil and natural gas producers and land-based drilling contractors in the United States and Canada. Mammoth Energy Services, Inc. was incorporated in 2016 and is headquartered in Oklahoma City, Oklahoma.


Insider Transactions at TUSK

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
1K Shares
From 1 Insiders
Open market or private purchase 1K shares
Sell / Disposition
85K Shares
From 1 Insiders
Open market or private sale 85K shares

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