SCHEDULE: Sourcerock Group Discloses 6.58% Stake in ProPetro

Sourcerock Group LLC has reported a 6.58% beneficial ownership stake in ProPetro Holding Corp., holding 6,846,650 shares as of December 31, 2025.

Summary

• Sourcerock Group LLC, an investment adviser, reported beneficial ownership of 6,846,650 shares of ProPetro Holding Corp. common stock.
• This stake represents 6.58% of ProPetro Holding Corp.'s outstanding common stock.
• Sourcerock Group LLC holds sole voting power and sole dispositive power over all 6,846,650 shares.
• The shares were acquired and are held in the ordinary course of business, without the purpose or effect of changing or influencing control of ProPetro Holding Corp., except for activities solely related to a nomination under Rule 240.14a-11.

Sentiment

Score: 7

Explanation: StockSavvy.ai views this as a moderately positive development, as a substantial beneficial ownership by an investment adviser can indicate a vote of confidence in the company's value proposition, even if the stated intent is passive.

Positives

• A significant stake by an investment adviser like Sourcerock Group LLC could signal confidence in ProPetro Holding Corp.'s long-term prospects.
• The stated passive nature of the investment suggests stability in the ownership structure without immediate intent for activist intervention.

Risks

• The certification includes a clause allowing for activities solely in connection with a nomination under Rule 240.14a-11, indicating a potential, albeit limited, future involvement in proxy solicitations for director nominations, which could introduce some level of shareholder activism.

Management Comments

• I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under 240.14a-11.

Industry Context

StockSavvy.ai notes that significant passive stakes by investment advisers in the energy sector, particularly in oilfield services like ProPetro Holding Corp., often reflect a long-term value investment strategy, potentially signaling a belief in the sector's stability or recovery.

Stakeholder Impact

• Shareholders: The disclosure of a significant institutional investor holding a 6.58% stake may instill greater confidence among existing and potential shareholders, potentially influencing stock perception.

Key Dates

Recommendation

This Schedule 13G filing primarily discloses a significant passive ownership stake by an investment adviser. While the presence of a substantial institutional investor can be a positive signal, the filing itself does not provide sufficient financial or operational details about ProPetro Holding Corp. to warrant a 'buy' or 'sell' recommendation. A 'hold' recommendation is appropriate as it acknowledges the new information without suggesting a change in investment strategy based solely on this ownership disclosure.

Keywords

ProPetro Holding Corp, Sourcerock Group, beneficial ownership, Schedule 13G, common stock, investment adviser, oilfield services, energy sector, shareholder stake