SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934* (Amendment No. ) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) ORTHOMETRIX, INC. ------------------- (Name of Issuer) Common Stock, par value $.0005 -------------------------------- (Title of Class of Securities) 68750M-10-0 ---------------- (CUSIP Number) February 25, 2005 ------------------- (Date of Event Which Requires a 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) *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 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). -------------------------------------------------------------------------------- 1 Names of Reporting Persons/I.R.S. Identification Nos. of Above Persons (Entities Only) ROCK CREEK INVESTMENT PARTNERS, LLP -------------------------------------------------------------------------------- 2 Check the Appropriate Box if a Member of a Group (a) (See Instructions) (b) -------------------------------------------------------------------------------- 3 SEC Use Only -------------------------------------------------------------------------------- 4 Citizenship or Place of Organization FLORIDA -------------------------------------------------------------------------------- 5 Sole Voting Power NUMBER OF SHARES NONE BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH -------------------------------------------------------------------------------- 6 Shared Voting Power 2,321,429 -------------------------------------------------------------------------------- 7 Sole Dispositive Power NONE -------------------------------------------------------------------------------- 8 Shared Dispositive Power 2,321,429 -------------------------------------------------------------------------------- 9 Aggregate Amount Beneficially Owned by Each Reporting Person 2,321,429 -------------------------------------------------------------------------------- 10 Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) -------------------------------------------------------------------------------- 11 Percent of Class Represented by Amount in Row (9) 6.0% -------------------------------------------------------------------------------- 12 Type of Reporting Person (See Instructions) PN -------------------------------------------------------------------------------- 2 -------------------------------------------------------------------------------- 1 Names of Reporting Persons/I.R.S. Identification Nos. of Above Persons (Entities Only) JAMES H. DAHL -------------------------------------------------------------------------------- 2 Check the Appropriate Box if a Member of a Group (a) (See Instructions) (b) -------------------------------------------------------------------------------- 3 SEC Use Only -------------------------------------------------------------------------------- 4 Citizenship or Place of Organization USA -------------------------------------------------------------------------------- 5 Sole Voting Power NUMBER OF SHARES NONE BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH -------------------------------------------------------------------------------- 6 Shared Voting Power 2,321,429 -------------------------------------------------------------------------------- 7 Sole Dispositive Power NONE -------------------------------------------------------------------------------- 8 Shared Dispositive Power 2,321,429 -------------------------------------------------------------------------------- 9 Aggregate Amount Beneficially Owned by Each Reporting Person 2,321,429 -------------------------------------------------------------------------------- 10 Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) -------------------------------------------------------------------------------- 11 Percent of Class Represented by Amount in Row (9) 6.0% -------------------------------------------------------------------------------- 12 Type of Reporting Person (See Instructions) IN -------------------------------------------------------------------------------- 3 -------------------------------------------------------------------------------- 1 Names of Reporting Persons/I.R.S. Identification Nos. of Above Persons (Entities Only) ARTHUR L. CAHOON -------------------------------------------------------------------------------- 2 Check the Appropriate Box if a Member of a Group (a) (See Instructions) (b) -------------------------------------------------------------------------------- 3 SEC Use Only -------------------------------------------------------------------------------- 4 Citizenship or Place of Organization USA -------------------------------------------------------------------------------- 5 Sole Voting Power NUMBER OF SHARES NONE BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH -------------------------------------------------------------------------------- 6 Shared Voting Power 2,321,429 -------------------------------------------------------------------------------- 7 Sole Dispositive Power NONE -------------------------------------------------------------------------------- 8 Shared Dispositive Power 2,321,429 -------------------------------------------------------------------------------- 9 Aggregate Amount Beneficially Owned by Each Reporting Person 2,321,429 -------------------------------------------------------------------------------- 10 Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) -------------------------------------------------------------------------------- 11 Percent of Class Represented by Amount in Row (9) 6.0% -------------------------------------------------------------------------------- 12 Type of Reporting Person (See Instructions) IN -------------------------------------------------------------------------------- 4 -------------------------------------------------------------------------------- 1 Names of Reporting Persons/I.R.S. Identification Nos. of Above Persons (Entities Only) JOHN C. SITES, JR. -------------------------------------------------------------------------------- 2 Check the Appropriate Box if a Member of a Group (a) (See Instructions) (b) -------------------------------------------------------------------------------- 3 SEC Use Only -------------------------------------------------------------------------------- 4 Citizenship or Place of Organization USA -------------------------------------------------------------------------------- 5 Sole Voting Power NUMBER OF SHARES NONE BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH -------------------------------------------------------------------------------- 6 Shared Voting Power 2,321,429 -------------------------------------------------------------------------------- 7 Sole Dispositive Power NONE -------------------------------------------------------------------------------- 8 Shared Dispositive Power 2,321,429 -------------------------------------------------------------------------------- 9 Aggregate Amount Beneficially Owned by Each Reporting Person 2,321,429 -------------------------------------------------------------------------------- 10 Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) -------------------------------------------------------------------------------- 11 Percent of Class Represented by Amount in Row (9) 6.0% -------------------------------------------------------------------------------- 12 Type of Reporting Person (See Instructions) IN -------------------------------------------------------------------------------- 5 -------------------------------------------------------------------------------- 1 Names of Reporting Persons/I.R.S. Identification Nos. of Above Persons (Entities Only) M. ASHTON HUDSON -------------------------------------------------------------------------------- 2 Check the Appropriate Box if a Member of a Group (a) (See Instructions) (b) -------------------------------------------------------------------------------- 3 SEC Use Only -------------------------------------------------------------------------------- 4 Citizenship or Place of Organization USA -------------------------------------------------------------------------------- 5 Sole Voting Power NUMBER OF SHARES NONE BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH -------------------------------------------------------------------------------- 6 Shared Voting Power 2,321,429 -------------------------------------------------------------------------------- 7 Sole Dispositive Power NONE -------------------------------------------------------------------------------- 8 Shared Dispositive Power 2,321,429 -------------------------------------------------------------------------------- 9 Aggregate Amount Beneficially Owned by Each Reporting Person 2,321,429 -------------------------------------------------------------------------------- 10 Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) -------------------------------------------------------------------------------- 11 Percent of Class Represented by Amount in Row (9) 6.0% -------------------------------------------------------------------------------- 12 Type of Reporting Person (See Instructions) IN -------------------------------------------------------------------------------- 6 Item 1. (a) Name of Issuer: Orthometrix, Inc. (b) Address of Issuer's Principal Executive Offices: 106 Corporate Park Drive, Suite 102 White Plains, New York 10604 Item 2. (a) Name of Persons Filing: Rock Creek Investment Partners, LLP James H. Dahl, Individually Arthur L. Cahoon, Individually John C. Sites, Jr., Individually M. Ashton Hudson, Individually (b) Address of Principal Business Office or if None, Residence: For each reporting person: 1200 Riverplace Boulevard, Suite 902 Jacksonville, Florida 32207 (c) Citizenship: All Entities: Florida All individuals: USA (d) Title of Class of Securities: Common Stock, par value $.0005 (e) CUSIP Number: 68750M-10-0 Item 3. Not Applicable Item 4. Ownership (1)(a) Amount Beneficially Owned by Rock Creek Investment Partners, LLP: 2,321,429 --------- (1)(b) Percent of Class: 6.0% 7 (1)(c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote: None (ii) Shared power to vote or to direct the vote: 2,321,429 (iii) Sole power to dispose or to direct the disposition of: None (iv) Shared power to dispose or to direct the disposition of: 2,321,429 (2)(a) Amount Beneficially Owned by James H. Dahl: 2,321,429 --------- (2)(b) Percent of Class: 6.0% (2)(c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote: None (ii) Shared power to vote or to direct the vote: 2,321,429 (iii) Sole power to dispose or to direct the disposition of: None (iv) Shared power to dispose or to direct the disposition of: 2,321,429 (3)(a) Amount Beneficially Owned by Arthur L. Cahoon, 2,321,429 --------- (3)(b) Percent of Class: 6.0% (3)(c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote: None (ii) Shared power to vote or to direct the vote: 2,321,429 (iii) Sole power to dispose or to direct the disposition of: None (iv) Shared power to dispose or to direct the disposition of: 2,321,429 (4)(a) Amount Beneficially Owned by John C. Sites, Jr.: 2,321,429 --------- 8 (4)(b) Percent of Class: 6.0% (4)(c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote: None (ii) Shared power to vote or to direct the vote: 2,321,429 (iii) Sole power to dispose or to direct the disposition of: None (iv) Shared power to dispose or to direct the disposition of: 2,321,429 (5)(a) Amount Beneficially Owned by M. Ashton Hudson: 2,321,429 --------- (5)(b) Percent of Class: 6.0% (5)(c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote: None (ii) Shared power to vote or to direct the vote: 2,321,429 (iii) Sole power to dispose or to direct the disposition of: None (iv) Shared power to dispose or to direct the disposition of: 2,321,429 Item 5. Ownership of Five Percent or Less of a Class Not Applicable Item 6. Ownership of More than Five Percent on Behalf of Another Person Not Applicable Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company Not Applicable Item 8. Identification and Classification of Members of the Group Not Applicable 9 Item 9. Notice of Dissolution of Group Not Applicable Item. 10. Certification By signing below each of the undersigned certifies that, to the best of my knowledge and belief, the securities referred to above 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. 10 SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct. Dated: March 4th, 2005 ROCK CREEK INVESTMENT PARTNERS, LLP /s/ M. Ashton Hudson ----------------------------------- M. ASHTON HUDSON, as Partner /s/ James H. Dahl ----------------------------------- JAMES H. DAHL, Individually /s/ Arthur L. Cahoon ----------------------------------- ARTHUR L. CAHOON, Individually /s/ John C. Sites, Jr. ----------------------------------- JOHN C. SITES, JR., Individually /s/ M. Ashton Hudson ----------------------------------- M. ASHTON HUDSON, Individually 11 EXHIBITS Exhibit A: Joint Filing Agreement 12 Exhibit A Joint Filing Agreement In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a Schedule 13G. This Joint Filing Agreement shall be included as an exhibit to such joint filing. In evidence thereof, each of the undersigned, being duly authorized, hereby execute this Agreement this 4th day of March, 2005. ROCK CREEK INVESTMENT PARTNERS, LLP /s/ M. Ashton Hudson ------------------------------------ M. ASHTON HUDSON, as Partner /s/ James H. Dahl ------------------------------------ JAMES H. DAHL, Individually /s/ Arthur L. Cahoon ------------------------------------ ARTHUR L. CAHOON, Individually /s/ John C. Sites, Jr. ------------------------------------ JOHN C. SITES, JR., Individually /s/ M. Ashton Hudson ------------------------------------ M. ASHTON HUDSON, Individually 13