SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13G
                                 (Rule 13d-102)

             INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
           TO RULES 13d-1(b), (c) and (d) AND AMENDMENTS THERETO FILED
                            PURSUANT TO RULE 13d-2(b)

                                 Illumina, Inc.
                                 --------------
                                (Name of Issuer)

                     COMMON STOCK, $.01 par value per share
                     --------------------------------------
                         (Title of Class of Securities)

                                    452327109
                                    ---------
                                 (CUSIP Number)

                                December 31, 2000
                                -----------------
             (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)

           |_|    Rule 13d-1(c)

           |X|    Rule 13d-1(d)

                               Page 1 of 9 Pages

- --------------------------- ------------------------------- CUSIP No. 452327109 13G Page 2 of 9 Pages - --------------------------- ------------------------------- 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY TGI Fund II, LC I.R.S. Identification No.: 54-1888920 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [X] 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION Virginia 5. SOLE VOTING POWER NUMBER OF 0 SHARES 6. SHARED VOTING POWER BENEFICIALLY 1,748,621 OWNED BY 7. SOLE DISPOSITIVE POWER EACH REPORTING 0 PERSON WITH 8. SHARED DISPOSITIVE POWER 1,748,621 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,748,621 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.5% 12. TYPE OF REPORTING PERSON 00

- --------------------------- ------------------------------- CUSIP No. 452327109 13G Page 3 of 9 Pages - --------------------------- ------------------------------- 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Tredegar Investments, Inc. I.R.S. Identification No.: 54-1561097 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [X] 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION Virginia 5. SOLE VOTING POWER NUMBER OF 0 SHARES 6. SHARED VOTING POWER BENEFICIALLY 1,748,621 shares all of which are directly held by TGI Fund II, LC ("TGI"). Tredegar Investments, Inc. ("Tredegar Investments") is the sole manager of TGI. OWNED BY 7. SOLE DISPOSITIVE POWER EACH REPORTING 0 PERSON WITH 8. SHARED DISPOSITIVE POWER 1,748,621 shares all of which are directly held by TGI. Tredegar Investments is the sole manager of TGI. 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,748,621 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.5% 12. TYPE OF REPORTING PERSON CO

- --------------------------- ------------------------------- CUSIP No. 452327109 13G Page 4 of 9 Pages - --------------------------- ------------------------------- 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Tredegar Corporation I.R.S. Identification No.: 54-1497771 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [X] 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION Virginia 5. SOLE VOTING POWER NUMBER OF 0 SHARES 6. SHARED VOTING POWER BENEFICIALLY 1,748,621 shares all of which are directly held by TGI. Tredegar Investments is the sole manager of TGI and Tredegar Corporation holds 100% of the capital stock of Tredegar Investments. OWNED BY 7. SOLE DISPOSITIVE POWER EACH REPORTING 0 PERSON WITH 8. SHARED DISPOSITIVE POWER 1,748,621 shares all of which are directly held by TGI. Tredegar Investments is the sole manager of TGI and Tredegar Corporation holds 100% of the capital stock of Tredegar Investments. 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,748,621 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.5% 12. TYPE OF REPORTING PERSON CO

Item 1(a). Name of Issuer: Illumina, Inc., a California corporation. Item 1(b). Address of Issuer's Principal Executive Offices: 9390 Towne Centre Drive, Suite 200, San Diego, California 92121 Item 2(a). Name of Persons Filing: This statement is being filed by TGI Fund II, LC, a Virginia limited liability company ("TGI"), Tredegar Investments, Inc., a Virginia corporation and the sole manager of TGI ("Tredegar Investments"), and Tredegar Corporation, a Virginia corporation and the holder of 100% of the capital stock of Tredegar Investments ("Tredegar" and together with TGI and Tredegar Investments, the "Reporting Persons"). Attached hereto as Exhibit 1 is a copy of the Joint Filing Agreement, dated as of February 9, 2001, by and among the Reporting Persons, pursuant to which the Reporting Persons have agreed that this Schedule 13G is a joint filing on behalf of each of TGI, Tredegar Investments and Tredegar. Item 2(b). Address of Principal Business Office or, if None, Residence: The address of TGI's, Tredegar Investments' and Tredegar's principal business office is 1100 Boulders Parkway, Richmond, Virginia 23225. Item 2(c). Citizenship: TGI is a Virginia limited liability company. Tredegar Investments is a Virginia corporation. Tredegar is a Virginia corporation. Item 2(d). Title of Class of Securities: Common stock, $.001 par value per share. Item 2(e). CUSIP Number: 452327109. Item 3. If This Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b) or (c), Check Whether the Person Filing is a: (a) |_| Broker or dealer registered under Section 15 of the Exchange Act. (b) |_| Bank as defined in Section 3(a)(6) of the Exchange Act. Page 5 of 9 Pages

(c) |_| Insurance company as defined in Section 3(a)(19) of the Exchange Act. (d) |_| Investment company registered under Section 8 of the Investment Company Act. (e) |_| An investment adviser in accordance with Rule 13d-1(b)(1) (ii)(E). (f) |_| An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F). (g) |_| A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G). (h) |_| A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act. (i) |_| A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act. (j) |_| Group, in accordance with Rule 13d-1(b)(1)(ii)(J). Item 4. Ownership. (a) Amount beneficially owned: See Item 9 of Cover Pages. (b) Percent of class: See Item 11 of Cover Pages. (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote: See Item 5 of Cover Pages. (ii) Shared power to vote or to direct the vote: See Item 6 of Cover Pages. (iii) Sole power to dispose or to direct the disposition of: See Item 7 of Cover Pages. (iv) Shared power to dispose or to direct the disposition of: See Item 8 of Cover Pages. 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. Page 6 of 9 Pages

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. Item 9. Notice of Dissolution of Group. Not applicable. Item 10. Certifications. Not applicable. Page 7 of 9 Pages

SIGNATURE After reasonable inquiry and to the best of her or its knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct. Date: February 9, 2001 TGI FUND II, LC By: Tredegar Investments, Inc. Manager By: /s/ Nancy M. Taylor ----------------------------------- Nancy M. Taylor Vice President and Secretary Date: February 9, 2001 TREDEGAR INVESTMENTS, INC. By: /s/ Nancy M. Taylor ----------------------------------- Nancy M. Taylor Vice President and Secretary Date: February 9, 2001 TREDEGAR CORPORATION By: /s/ Nancy M. Taylor ----------------------------------- Nancy M. Taylor Vice President and Secretary Page 8 of 9 Pages

EXHIBIT INDEX Exhibit Number Exhibit Description Exhibit 1 Joint Filing Agreement. Page 9 of 9 Pages

                                                                       Exhibit 1

                             JOINT FILING AGREEMENT

         WHEREAS,  in  accordance  with  Rule  13d-1(k)  promulgated  under  the
Securities  and  Exchange Act of 1934,  as amended  (the "Act"),  only one joint
statement  and any  amendments  thereto  need to be filed  whenever  one or more
persons are required to file such a statement or any amendments thereto pursuant
to Section 13(d) of the Act with respect to the same  securities,  provided that
said persons  agree in writing that such  statement  or  amendments  thereto are
filed on behalf to each of them:

         NOW, THEREFORE, the parties hereto agree as follows:

         TGI FUND II, LC, TREDEGAR  INVESTMENTS,  INC. and TREDEGAR  CORPORATION
hereby agree,  in accordance with 13d-1(k) under the Act, to file a statement on
Schedule  13G  (including  amendments  thereto)  relating to their  ownership of
Common Stock of Illumina,  Inc. and do hereby  further agree that said statement
on Schedule 13G (including  amendments thereto) shall be filed on behalf of each
of them and that the Joint  Filing  Agreement  be included as an Exhibit to such
joint filing on Schedule 13G.

Date:  February 9, 2001           TGI FUND II, LC

                                   By:      Tredegar Investments, Inc.
                                            Manager

                                   By:      /s/ Nancy M. Taylor
                                            ------------------------------------
                                            Nancy M. Taylor
                                            Vice President and Secretary


Date:  February 9, 2001           TREDEGAR INVESTMENTS, INC.

                                   By:      /s/ Nancy M. Taylor
                                            ------------------------------------
                                            Nancy M. Taylor
                                            Vice President and Secretary


Date:  February 9, 2001           TREDEGAR CORPORATION

                                   By:      /s/ Nancy M. Taylor
                                            ------------------------------------
                                            Nancy M. Taylor
                                            Vice President and Secretary