Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Eaton Jonathan
2. Date of Event Requiring Statement (Month/Day/Year)
03/09/2010
3. Issuer Name and Ticker or Trading Symbol
LPL Investment Holdings Inc. [NONE]
(Last)
(First)
(Middle)
C/O LPL INVESTMENT HOLDINGS INC., ONE BEACON STREET
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
MD, Custom Clearing Services
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

BOSTON, MA 02108
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 Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Option Award   (1) 01/15/2012 Common Stock 6,680 $ 2.07 D  
Option Award   (1) 05/02/2013 Common Stock 260,480 $ 1.88 D  
Option Award   (1) 05/31/2014 Common Stock 477,570 $ 1.49 D  
Option Award   (2) 02/05/2018 Common Stock 30,000 $ 27.8 D  
Option Award   (3) 09/14/2019 Common Stock 40,000 $ 22.08 D  
Option Award   (4)   (5) Common Stock 94,256 $ 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Eaton Jonathan
C/O LPL INVESTMENT HOLDINGS INC.
ONE BEACON STREET
BOSTON, MA 02108
      MD, Custom Clearing Services  

Signatures

/s/Jonathan Eaton 03/23/2010
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) These shares are vested and exercisable until the expiration date.
(2) This option is currently exercisable as to 12,000 shares. The remaining award is exercisable in 6,000 increments on each of February 5, 2011, 2012 and 2013.
(3) This option is not currently exercisable as to any shares. The option is exercisable in 20% increments on each of September 14, 2010, 2011, 2012, 2013 and 2014.
(4) Each stock unit is a bookkeeping entry of which one stock unit is the economic equivalent of one share of Issuer's common stock.
(5) Restricted Stock Units are fully vested, except that accounts are forfeited if the holder is terminated for cause. Distribution of units occurs at the earliest to occur of death, disability, change in control (as defined in the 2008 Deferred Compensation Plan) or a date in 2012 to be determined by the Issuer. Settlement is made within 90 days of the distribution event (or, with respect to the settlement in 2012, by the end of the calendar year).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

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