Hedge Fund Adage Capital Management Loves Propetro Holding Corp. (PUMP)

Hedge fund Adage Capital, one of the largest hedge funds in the world, disclosed owning nearly 5.4% of Propetro Holding Corp. (NYSE:PUMP)’s outstanding shares. The details of the filing can be seen below:

Ownership Summary Table

Name Sole Voting Power Shared Voting Power Sole Dispositive Power Shared Dispositive Power Aggregate Amount Owned Power Percent of Class
Adage Capital Partners 0 4,469,799 0 4,469,799 4,469,799 5.38%
Adage Capital Partners GP 0 4,469,799 0 4,469,799 4,469,799 5.38%
Adage Capital Advisors 0 4,469,799 0 4,469,799 4,469,799 5.38%
Robert Atchinson 0 4,469,799 0 4,469,799 4,469,799 5.38%
Phillip Gross 0 4,469,799 0 4,469,799 4,469,799 5.38%
Phill Gross And Robert Atchinson
Phill Gross And Robert Atchinson
Adage Capital Management

Page 1 of 12 – SEC Filing

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. )*

ProPetro
Holding Corp.

(Name of Issuer)

Common Stock,
$0.001 par value**

(Title of Class of Securities)

74347M108

(CUSIP Number)

March 17,
2017

(Date of Event Which Requires Filing of This Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
¨ Rule 13d-1(b)
x Rule 13d-1(c)
¨ Rule 13d-1(d)
(Page 1 of 12 Pages)

______________________________

*The remainder of this cover page shall
be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any
subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

**The number of shares of Common Stock
in this Schedule 13G gives effect to the 1.45 for 1 stock split of the Common Stock upon consummation of the Company’s offering
described in the Current Report on Form 8-K filed with the Securities and Exchange Commission on March 21, 2017.

The information required in the remainder
of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of
1934 (“Act“) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other
provisions of the Act (however, see the Notes).

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