Mammoth Energy Services, Inc.· TUSK

🇺🇸 US · MicroBroad USNASDAQ

IndustrialsConglomeratesWebsite

Price: $2.85
Day: +5.56%
Mkt Cap: $137.29M
52W Range: $1.72 – $3.92
Volume: 159.0K
Beta: 1.16

D55D FrameworkQuarterly Data

Holdings Analysis

Insider activity, institutional flows, and fund ownership.

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Mammoth Energy Services, Inc.

TUSK|Industrials|Conglomerates

Current price: $3

Smart Money

Dimension 5 of 5

Insider Activity, Q2 2026

Latest scored quarter, net flow, and top transactions by value

Net dollar flow$10.5M

Net share flow+4.0M

Purchases5 ($10.5M)

Sales0 ($0)

Top Notable Transactions

Insider

Type

Value

Date

MEH SUB LLC

Sale

$105.1M

Jun 29

GULFPORT ENERGY CORP

Sale

$47.0M

Jun 29

WEXFORD CAPITAL LP

Purchase

$10.5M

Jun 17

Institutional Ownership, Q1 2026

Ownership share, position changes, share flow, and top holders

Ownership72.6%

13F share flow+26.0%

Investors holding91

+88 adding-38 reducing

New 33Inc 55Red 23Closed 15

Top Institutional Holders

Institution

Value

Change

WEXFORD CAPITAL LP

$54.1M

+0.0%

ADAGE CAPITAL PARTNERS GP, L.L.C.

$11.2M

+0.2%

BLACKROCK, INC.

$3.6M

-1.1%

DIMENSIONAL FUND ADVISORS LP

$1.7M

-1.8%

ETF & Mutual Fund Activity, Q2 2026

Latest meaningful quarter: fund-by-fund buying / unchanged / selling

Funds reporting45

Total shares held3.5M

Share flow+6.8%

8 buying6 selling

Buying 8Unchanged 31Selling 6

Top Fund Holders

Fund

Weight

Change

iSHARES TRUST

762.6K

0.01%

FIDELITY CONCORD STREET TRUST

255.0K

0.09%

+17.9K

VANGUARD SCOTTSDALE FUNDS

144.4K

0.01%

+6.3K

JPMORGAN TRUST II

101.2K

0.00%

See the complete picture

The full 5D Framework: Business Quality · Peer Comparison · Valuation · Analyst Sentiment · Smart Money

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Generated August 5, 2026

For educational purposes only. Not financial advice. Data may be delayed or incomplete.

Smart Money Sentiment

TUSK Smart Money Sentiment Score

A weighted 1-5 sentiment score across three smart money signals.

Smart Money

4.6/5

Very Bullish

Weighted across 3 components

Component Breakdown (3 of 3 available)

Insider Activity

40% weight

+100

Institutional Flow

50% weight

+70

Fund Flow

10% weight

+25

Overall Smart Money sentiment of 4.6/5 (Very Bullish) based on a weighted combination of 3 components. Insider activity uses a relative-baseline comparison against the stock's own history; institutional flow tracks position momentum and 13F share changes; fund flow measures ETF / mutual-fund buying vs selling. Higher scores indicate stronger bullish sentiment from professional investors.Last updated August 4, 2026.

Insider Trading Activity

Insider trading analysis comparing the latest quarter against the stock's own historical baseline.

Insider Activity for TUSK

Net insider share flow by quarter (C-suite & director purchases minus sales)

Very Bullish

Strong insider buying in Q2 2026

Major: 5 purchases totaling $10.5M (4.0M shares)

Share volume is 3x+ above the historical average, unusually strong

Notable Recent Transactions, TUSK

Top 8 highest-value recent insider trades

MEH SUB LLC

Director

Sell

2,764,400 shares at $38.01

Jun 29, 2018$105.07M

GULFPORT ENERGY CORP

Director

Sell

1,235,600 shares at $38.01

Jun 29, 2018$46.97M

WEXFORD CAPITAL LP

Director

Buy

4,019,574 shares at $2.60

Jun 17, 2026$10.47M

MEH SUB LLC

Director

Sell

266,026 shares at $38.01

Jul 30, 2018$10.11M

GULFPORT ENERGY CORP

Director

Sell

118,974 shares at $38.01

Jul 30, 2018$4.52M

Mammoth Energy Holdings LLC

Director

Sell

171,797 shares at $14.06

Oct 19, 2016$2.42M

GULFPORT ENERGY CORP

Director

Sell

76,250 shares at $14.06

Oct 19, 2016$1.07M

Straehla Arty

Officer

Sell

25,151 shares at $26.45

Nov 8, 2018$665.29K

Institutional Ownership Analysis

Institutional ownership analysis with position momentum, 13F share flow, and ownership percentage trends.

Institutional Ownership Over Time for TUSK

Total dollar value invested by institutions each quarter

Very Bullish

Institutions accumulating in Q1 2026

72.6% institutional ownership

Strong accumulation: 88 institutions adding vs 38 reducing positions

13F shares increased by 2.0%, a modest change

Momentum improving from prior quarter

Position Changes

Q1 2026: how are institutions adjusting their positions?

+88 growing-38 shrinkingNet: +50

New (33)

Increased (55)

Reduced (23)

Closed (15)

Top Institutional Holders, TUSK

Largest 5 institutional positions by ownership percentage as of Q2 2026

POLICE & FIREMEN'S RETIREMENT SYSTEM OF NEW JERSEY

Ownership

0.00%

-100.0%

NEW YORK STATE COMMON RETIREMENT FUND

Ownership

0.00%

-100.0%

ROOT FINANCIAL PARTNERS, LLC

Ownership

0.00%

-100.0%

LEVIN CAPITAL STRATEGIES, L.P.

Ownership

0.00%

-100.0%

STERLING CAPITAL MANAGEMENT LLC

Ownership

0.00%

-100.0%

ETF and Mutual Fund Holdings

ETF and mutual fund activity breakdown showing buying vs selling funds, top fund holders, and detailed holdings.

Fund Activity

Q2 2026: 45 ETFs and mutual funds reporting

8 buying6 sellingNet: +2

Buying (8)

Unchanged (31)

Selling (6)

Bullish Signal

Funds accumulating in Q2 2026

45 ETFs and mutual funds reporting

8 buying vs 6 selling (balanced)

Top Fund Holders, TUSK

Largest 8 ETF and mutual fund positions by shares held as of latest filing

iSHARES TRUST

762.6K

Weight

0.01%

No change

FIDELITY CONCORD STREET TRUST

255.0K

Weight

0.09%

Increased

VANGUARD SCOTTSDALE FUNDS

144.4K

Weight

0.01%

Increased

JPMORGAN TRUST II

101.2K

Weight

0.00%

No change

SEI INSTITUTIONAL INVESTMENTS TRUST

60.0K

Weight

0.00%

Increased

SCHWAB STRATEGIC TRUST

48.2K

Weight

0.02%

No change

WisdomTree Trust

26.9K

Weight

0.00%

No change

VANGUARD WORLD FUND

26.5K

Weight

0.01%

No change

Mammoth Energy Services, Inc.· TUSK

Holdings Analysis

Insider Trading Activity

1.3Transaction History71Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings28Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights

Search stocks

Holdings Analysis

Insider Trading Activity

1.3Transaction History71Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings28Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights