FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * DINH VIET D   2. Issuer Name and Ticker or Trading Symbol LPL Financial Holdings Inc. [LPLA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O LPL FINANCIAL HOLDINGS INC., 75 STATE STREET, 22ND FLOOR 3. Date of Earliest Transaction (Month/Day/Year) 08/24/2017 (Street) BOSTON, MA 02109 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 08/24/2017   A   17 (1) A $ 0 13,400 D   Common Stock 08/24/2017   A   38 (2) A $ 0 13,438 D   Common Stock               4,844 I Held through GRAT (3)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
DINH VIET D C/O LPL FINANCIAL HOLDINGS INC. 75 STATE STREET, 22ND FLOOR BOSTON, MA 02109	X

Signatures

/s/ Gregory M. Woods, as attorney-in-fact		08/28/2017
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Represents stock units granted under the Issuer's Amended and Restated 2010 Omnibus Equity Incentive Plan (the "2010 Plan"). Each stock unit represents the right to receive one share of common stock and is scheduled to vest in full on May 18, 2018. The reporting person was previously granted stock units that were subject to a written deferral election under the Issuer's Non-Employee Director Deferred Compensation Plan (the "DDCP"), pursuant to which the reporting person elected to defer receipt of the equity portion of the annual retainer under the Issuer's Non-Employee Director Compensation Policy (the "Policy"). The stock units reported hereby were credited to the reporting person's DDCP account in connection with a quarterly cash dividend that was paid on shares of common stock.
(2)	Represents stock units granted under the 2010 Plan. Each stock unit represents the right to receive one share of common stock and is fully vested. The reporting person was previously granted stock units that were subject to a written deferral election under the DDCP, pursuant to which the reporting person elected to defer receipt of the cash portion of the annual retainer under the Policy. The stock units reported hereby were credited to the reporting person's DDCP account in connection with a quarterly cash dividend that was paid on shares of common stock.
(3)	The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.
Remarks: The signatory is signing on behalf of Viet D. Dinh pursuant to a Power of Attorney dated August 31, 2015, which was previously filed by the Commission.

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