Go Pro
→ The end may be near for these iconic stocks (From Chaikin Analytics) (Ad)tc pixel Free TUSK Stock Alerts

Mammoth Energy Services (TUSK) Institutional Ownership

Mammoth Energy Services logo
$2.84 0.00 (0.00%)
Closing price 04:00 PM Eastern
Extended Trading
$2.84 0.00 (-0.18%)
As of 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
Compare

Institutional Ownership Changes (13F Filings) for Mammoth Energy Services (NASDAQ:TUSK)

Current
Institutional Ownership
Percentage
79.67%
Number of
Institutional Buyers
(last 12 months)
34
Total
Institutional Inflows
(last 12 months)
$7.20M
Number of
Institutional Sellers
(last 12 months)
10
Total
Institutional Outflows
(last 12 months)
$1.67M
Get TUSK Insider Trade Alerts

Want to know when executives and insiders are buying or selling Mammoth Energy Services stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily.

Subscribe Now
SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
Skip Chart & View Institutional Buying and Selling Data

TUSK Institutional Buying and Selling by Quarter

Mammoth Energy Services Major Shareholders & Ownership History

Export
Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/21/2026AXQ Capital LP13,903$45K0.0%N/A0.029%
8/21/2026Round Rock Advisors LLC152,841$497K0.1%N/A0.318%
8/20/2026Susquehanna International Group LLP49,920$162K0.0%+37.5%0.104%
8/19/2026Hsbc Holdings PLC33,706$108K0.0%N/A0.070%
8/19/2026Wellington Management Group LLP47,486$154K0.0%-30.6%0.099%
8/19/2026Archer Investment Corp8,200$27K0.0%N/A0.017%
8/18/2026Empowered Funds LLC241,313$784K0.0%N/A0.501%
8/17/2026Bank of America Corp DE97,046$315K0.0%N/A0.202%
8/14/2026Hsbc Holdings PLC33,706$108K0.0%N/A0.070%
8/14/2026Algert Global LLC45,997$149K0.0%N/A0.096%
8/13/2026Connor Clark & Lunn Investment Management Ltd.28,581$93K0.0%N/A0.059%
8/12/2026Ieq Capital LLC24,392$79K0.0%N/A0.051%
8/7/2026BlackRock Inc.407,976$1.33M0.0%N/A0.847%
8/6/2026Bank of New York Mellon Corp62,007$202K0.0%N/A0.129%
8/6/2026GSA Capital Partners LLP129,547$421K0.0%N/A0.269%
7/10/2026Marquette Asset Management LLC109,826$357K0.0%N/A0.228%
7/8/2026FNY Investment Advisers LLC76,481$248K0.1%N/A0.159%
6/16/2026Empowered Funds LLC241,313$591K0.0%+10.2%0.501%
5/19/2026Bank of America Corp DE25,589$63K0.0%+15.9%0.053%
5/18/2026Empowered Funds LLC241,313$591K0.0%+10.2%0.501%
5/14/2026Renaissance Technologies LLC231,972$568K0.0%+24.7%0.482%
5/14/2026Sei Investments Co.13,579$33K0.0%N/A0.028%
5/13/2026Levin Capital Strategies L.P.25,000$61K0.0%N/A0.052%
5/7/2026Dimensional Fund Advisors LP686,199$1.68M0.0%-1.9%1.419%
5/5/2026Sanctuary Advisors LLC16,676$41K0.0%N/A0.034%
3/9/2026Corient Private Wealth LLC97,902$181K0.0%N/A0.203%
2/19/2026Corient Private Wealth LLC97,902$181K0.0%N/A0.203%
2/18/2026NewEdge Advisors LLC20,498$38K0.0%-19.6%0.043%
2/18/2026Empowered Funds LLC218,991$405K0.0%+10.1%0.454%
2/18/2026XTX Topco Ltd45,235$84K0.0%+80.3%0.094%
2/18/2026Quadrature Capital Ltd65,875$122K0.0%N/A0.137%
2/18/2026Bridgeway Capital Management LLC409,991$758K0.0%+5.1%0.851%
2/17/2026Osaic Holdings Inc.79,686$147K0.0%+156.2%0.165%
2/17/2026Russell Investments Group Ltd.247,491$458K0.0%+11,736.0%0.514%
2/16/2026Squarepoint Ops LLC76,164$141K0.0%N/A0.158%
2/16/2026Landscape Capital Management L.L.C.72,619$134K0.0%N/A0.151%
2/16/2026Barclays PLC38,064$70K0.0%-35.8%0.079%
2/13/2026Marshall Wace LLP30,801$57K0.0%-30.8%0.064%
2/13/2026Wells Fargo & Company MN27,501$51K0.0%+45.5%0.057%
2/12/2026Jane Street Group LLC39,652$73K0.0%-23.5%0.082%
Buffett's Final Warning: "The Dollar Is Going to Hell" (Ad)

On May 3rd, 2025, Warren Buffett looked at his shareholders for the last time and said: "The dollar is going to hell." Ray Dalio agrees. The founder of Bridgewater Associates ($150 billion AUM) calls it a "debt death spiral." But there's a specific asset class and investment system that actually thrives when the dollar collapses.tc pixel

Watch how to protect yourself from what Dalio and Buffett see coming (free training).
2/12/2026Renaissance Technologies LLC186,072$344K0.0%+38.9%0.386%
2/12/2026Dimensional Fund Advisors LP699,678$1.29M0.0%-25.3%1.452%
2/11/2026Empowered Funds LLC218,991$405K0.0%+10.1%0.454%
2/11/2026Franklin Resources Inc.72,088$133K0.0%+356.5%0.150%
2/10/2026Goldman Sachs Group Inc.89,944$166K0.0%+72.7%0.187%
2/9/2026Geode Capital Management LLC585,719$1.08M0.0%+1.1%1.215%
1/26/2026Steinberganna Wealth Management13,615$25K0.0%-43.9%0.028%
11/17/2025NewEdge Advisors LLC25,494$58K0.0%N/A0.053%
11/14/2025Valueworks LLC2,038,205$4.67M1.4%-14.7%4.230%
11/14/2025Virtu Financial LLC14,148$32K0.0%N/A0.029%
11/14/2025Bridgeway Capital Management LLC389,964$893K0.0%+11.3%0.809%
11/13/2025Franklin Resources Inc.15,791$36K0.0%N/A0.033%
11/12/2025Dimensional Fund Advisors LP936,414$2.15M0.0%-5.8%1.943%
11/12/2025Royce & Associates LP17,954$41K0.0%-56.4%0.037%
11/7/2025Vanguard Group Inc.945,630$2.17M0.0%-1.2%1.962%
10/23/2025Steinberganna Wealth Management24,265$56K0.0%N/A0.050%
9/4/2025Osaic Holdings Inc.29,433$82K0.0%-50.6%0.061%
8/15/2025Bridgeway Capital Management LLC350,454$981K0.0%+4.4%0.727%
8/15/2025Adage Capital Partners GP L.L.C.4,575,000$12.81M0.0%+10.2%9.494%
8/14/2025Jane Street Group LLC17,268$48K0.0%+48.3%0.036%
8/13/2025Marshall Wace LLP57,436$161K0.0%N/A0.119%
8/12/2025XTX Topco Ltd36,662$103K0.0%N/A0.076%
8/12/2025JPMorgan Chase & Co.185,761$520K0.0%+726.7%0.386%
8/8/2025Intech Investment Management LLC12,080$34K0.0%-32.4%0.025%
8/8/2025Police & Firemen s Retirement System of New Jersey9,637$27K0.0%N/A0.020%
8/8/2025Geode Capital Management LLC580,659$1.63M0.0%+6.5%1.206%
7/10/2025Wealth Enhancement Advisory Services LLC12,121$34K0.0%N/A0.025%
6/27/2025Goldman Sachs Group Inc.66,588$136K0.0%-25.6%0.138%
5/16/2025Empowered Funds LLC159,685$326K0.0%+8.9%0.332%
5/16/2025Goldman Sachs Group Inc.66,588$136K0.0%-25.6%0.138%
5/16/2025Adage Capital Partners GP L.L.C.4,150,000$8.47M0.0%+1.2%8.623%
5/14/2025Valueworks LLC2,808,860$5.73M2.2%-0.5%5.836%
5/14/2025Wellington Management Group LLP61,799$126K0.0%+24.7%0.128%
5/12/2025Nuveen LLC36,843$75K0.0%N/A0.077%
5/6/2025Royce & Associates LP1,293,637$2.64M0.0%-10.8%2.688%
4/9/2025NBC Securities Inc.56,940$116K0.0%+101,578.6%0.118%
4/1/2025Penbrook Management LLC14,000$29K0.0%-36.9%0.029%
2/17/2025Valueworks LLC2,823,185$8.47M2.8%-10.0%5.866%
2/17/2025Occudo Quantitative Strategies LP13,749$41K0.0%N/A0.029%
2/17/2025Bridgeway Capital Management LLC460,274$1.38M0.0%+14.1%0.956%
2/17/2025Bank of America Corp DE22,882$69K0.0%+45.8%0.048%
2/14/2025PDT Partners LLC15,450$46K0.0%N/A0.032%
2/14/2025Northern Trust Corp206,039$618K0.0%+2.1%0.428%
2/14/2025Adage Capital Partners GP L.L.C.4,100,000$12.30M0.0%+1.1%8.519%
2/14/2025Dimensional Fund Advisors LP991,223$2.97M0.0%+11.0%2.059%
2/13/2025Marshall Wace LLP14,163$42K0.0%N/A0.029%
2/13/2025Barclays PLC61,549$185K0.0%+7.8%0.128%
2/13/2025Invesco Ltd.10,122$30K0.0%N/A0.021%
2/12/2025Rangeley Capital LLC432,338$1.30M1.2%N/A0.898%
2/12/2025Geode Capital Management LLC537,376$1.61M0.0%+1.6%1.117%
Buffett's Final Warning: "The Dollar Is Going to Hell" (Ad)

On May 3rd, 2025, Warren Buffett looked at his shareholders for the last time and said: "The dollar is going to hell." Ray Dalio agrees. The founder of Bridgewater Associates ($150 billion AUM) calls it a "debt death spiral." But there's a specific asset class and investment system that actually thrives when the dollar collapses.tc pixel

Watch how to protect yourself from what Dalio and Buffett see coming (free training).
2/12/2025JPMorgan Chase & Co.63,079$189K0.0%+465.2%0.131%
2/11/2025LPL Financial LLC10,057$30K0.0%-35.4%0.021%
2/10/2025Royce & Associates LP1,449,922$4.35M0.0%+7.3%3.013%
2/6/2025Charles Schwab Investment Management Inc.70,674$212K0.0%+11.1%0.147%
2/4/2025Bank of New York Mellon Corp121,993$366K0.0%-18.2%0.253%
1/28/2025Empowered Funds LLC146,574$440K0.0%+76.3%0.305%
1/23/2025Penbrook Management LLC22,200$67K0.0%-32.1%0.046%
12/26/2024JPMorgan Chase & Co.11,160$46K0.0%-54.1%0.023%
11/19/2024Barclays PLC57,081$233K0.0%+65.1%0.119%
11/16/2024Geode Capital Management LLC528,850$2.16M0.0%+1.9%1.099%


TUSK Institutional Ownership - Frequently Asked Questions

During the previous two years, 61 institutional investors and hedge funds held shares of Mammoth Energy Services. The most heavily invested institutionals were Wexford Capital LP ($90.26M), Adage Capital Partners GP L.L.C. ($12.81M), Valueworks LLC ($4.67M), Vanguard Group Inc. ($2.17M), Dimensional Fund Advisors LP ($1.68M), State Street Corp ($1.65M), and BlackRock Inc. ($1.33M).Learn more on Mammoth Energy Services' institutional investors.

79.67% of Mammoth Energy Services' stock is owned by institutional investors. Learn more on TUSK's institutional investor holdings.

Of the 55 institutional investors that purchased Mammoth Energy Services' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Adage Capital Partners GP L.L.C. ($521.28K), Rangeley Capital LLC ($432.34K), BlackRock Inc. ($407.98K), Empowered Funds LLC ($406.69K), Royce & Associates LP ($276.94K), Russell Investments Group Ltd. ($245.40K), and JPMorgan Chase & Co. ($215.21K).

Institutional investors have bought a total of 2,693,818 shares in the last 24 months. This purchase volume represents approximately $7.20M in transactions.

Of the 10 institutional investors that sold Mammoth Energy Services' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Valueworks LLC ($350.83K), Dimensional Fund Advisors LP ($307.72K), Royce & Associates LP ($23.20K), Barclays PLC ($21.21K), Wellington Management Group LLP ($20.93K), Marshall Wace LLP ($13.72K), and Jane Street Group LLC ($12.15K).

Institutional investors have sold a total of 776,999 shares in the last 24 months. This volume of shares sold represents approximately $1.67M in transactions.


Related Companies

Institutional ownership data for NASDAQ:TUSK is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/21/2026. New 13F filings are added each quarter as they're published.
From Our Partners
The $15 Gold Fund That Pays Up to $1,152/Month
Gold is hitting record highs, but most investors are leaving income on the table. A $15 fund is quietly paying...
Investors Alley | Sponsoredtc pixel
ALERT: Drop these 5 stocks before the market opens tomorrow!
The Wall Street Journal is already raising the alarm about a potential market crash, and Weiss Ratings researc...
Weiss Ratings | Sponsoredtc pixel
Small Colorado Company (Backed by Sam Altman) Could Save U.S. Power Grid
A small Colorado company has secured rights to technology that could prevent the U.S. public power grid from c...
Altimetry | Sponsoredtc pixel
Trump's New Dollar
Porter Stansberry says President Trump has signed an executive order initiating what he calls a full U.S. doll...
Porter & Company | Sponsoredtc pixel
Ready to give options a try? Your first trade (Ticker included) -INSIDE
Tired of trying tactic after tactic when it comes to options trades... only to be met with market noise and st...
Base Camp Trading | Sponsoredtc pixel
The end may be near for these iconic stocks
Marc Chaikin, founder of Chaikin Analytics, says two forces - AI disruption and fracturing global trade - are ...
Chaikin Analytics | Sponsoredtc pixel
Louis Navellier: My #1 AI stock for 2026 (name & ticker inside)
Louis Navellier's Stock Grader system helped him flag Nvidia before its 82,000% run and has identified the top...
InvestorPlace | Sponsoredtc pixel
Here’s the stock symbol I’ve promised
Whitney Tilson of Stansberry Research has long recommended Berkshire Hathaway as a core retirement holding - b...
Stansberry Research | Sponsoredtc pixel