SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Schedule 13D**

Under the Securities Exchange Act of 1934
(Amendment No. 4)*

Cedar Fair, L.P.
(Name of Issuer)

Units Representing Limited Partner Interests
(Title of Class of Securities)

150185106
(Cusip Number)

Brandon Teague
301 Commerce Street, Suite 3200
Fort Worth, Texas 76102
(817) 332-9500
(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)

March 11, 2010
(Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition which is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following box [  ].

*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 disclosures provided in a prior cover page.

The information required on 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).

**The total number of units reported herein is 10,021,418, which constitutes approximately 18.1% of the total number of units outstanding.  All ownership percentages set forth herein assume that there are 55,266,755 units outstanding.

1.     Name of Reporting Person:

           Q Funding III, L.P.

2.     Check the Appropriate Box if a Member of a Group:

            (a) /   /

            (b) / X /

3.     SEC Use Only

4.     Source of Funds: OO (See Item 3)

5.     Check box if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d) or 2(e): 

          /   /

6.     Citizenship or Place of Organization: Texas

                         7.     Sole Voting Power:  6,642,100
Number of          
Shares
Beneficially      8.     Shared Voting Power:  -0-
Owned By          
Each
Reporting         9.     Sole Dispositive Power:  6,642,100
Person          
With
                        10.     Shared Dispositive Power:  -0-

11.     Aggregate Amount Beneficially Owned by Each Reporting Person:

           6,642,100

12.     Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares:

            /   /

13.     Percent of Class Represented by Amount in Row (11): 12.0%

14.     Type of Reporting Person: PN

1.     Name of Reporting Person:

           Q4 Funding, L.P.

2.     Check the Appropriate Box if a Member of a Group:

            (a) /   /

            (b) / X /

3.     SEC Use Only

4.     Source of Funds: OO (See Item 3)

5.     Check box if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d) or 2(e): 

          /   /

6.     Citizenship or Place of Organization: Texas

                         7.     Sole Voting Power:  3,379,318
Number of          
Shares
Beneficially      8.     Shared Voting Power:  -0-
Owned By          
Each
Reporting         9.     Sole Dispositive Power:  3,379,318
Person          
With
                        10.     Shared Dispositive Power:  -0-

11.     Aggregate Amount Beneficially Owned by Each Reporting Person:

           3,379,318

12.     Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares:

            /   /

13.     Percent of Class Represented by Amount in Row (11): 6.1%

14.     Type of Reporting Person: PN



Pursuant to Rule 13d-2(a) of Regulation 13D-G of the General Rules and Regulations under the Securities Exchange Act of 1934, as amended (the "Act"), the undersigned hereby amend their Schedule 13D Statement dated February 12, 2010, as amended by Amendment No. 1 dated February 18, 2010, as amended by Amendment No. 2 dated February 24, 2010, as amended by Amendment No. 3 dated March 9, 2010 (the "Schedule 13D" ), relating to the Units Representing Limited Partner Interests of Cedar Fair, L.P.  Unless otherwise indicated, all defined terms used herein shall have the same meanings as those set forth in the Schedule 13D.

ITEM 4.  PURPOSE OF TRANSACTION.

       Item 4 is hereby amended by adding at the end thereof the following:

        At the present time, given the facts and circumstances, the Reporting Persons have determined that they will not seek the purchase of additional Units with voting rights as of the record date for the meeting of the Issuer's Unitholders currently scheduled for March 16.  Nevertheless, the Reporting Persons may still seek to purchase Units in the public market at market prices even though the record date to vote such Units has passed.

        Except as set forth in this Item 4, the Reporting Persons have no present plans or proposals that relate to or that would result in any of the actions specified in clauses (a) through (j) of Item 4 of Schedule 13D of the Act.

ITEM 6.  CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH
                RESPECT TO SECURITIES OF THE ISSUER.

       Item 6 is hereby amended by adding at the end thereof the following:

       In light of the foregoing amendment to Item 4, references to the Reporting Persons' proposed form of voting agreement are hereby deleted.

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

     DATED: March 11, 2010

Q FUNDING III, L.P.

By: Prufrock Onshore, L.P.,
its general partner

    By:  J Alfred Onshore, LLC,
    its general partner


         By: /s/ Brandon Teague
              Brandon Teague, Director of Trading

Q4 FUNDING, L.P.

By: Star Spangled Sprockets, L.P.,
its general partner

    By:  Excalibur Domestic, LLC,
    its general partner


         By: /s/ Brandon Teague
              Brandon Teague, Director of Trading