UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(AMENDMENT NO. )*
AMERICAN SUPERCONDUCTOR CP
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(Name of Issuer)
Common Stock
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(Title of Class of Securities)
030111108
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(CUSIP Number)
12/31/2004
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(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
|X| Rule 13d-1(b)
|_| 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).
CUSIP No. 030111108
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1. Names of Reporting Persons.
I.R.S. Identification Nos. of above persons (entities only).
IronBridge Capital Management, LLC
36-4255832
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2. Check the Appropriate Box if a Member of a Group (See Instructions)
(a) |_|
(b) |_|
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3. SEC Use Only
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4. Citizenship or Place of Organization
Illinois
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Number of Shares 5. Sole Voting Power
Beneficially Owned
by Each Reporting 1577140
Person With -----------------------------------------------------------
6. Shared Voting Power
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7. Sole Dispositive Power
1923420
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8. Shared Dispositive Power
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9. Aggregate Amount Beneficially Owned by Each Reporting Person
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10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions) |_|
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11. Percent of Class Represented by Amount in Row (9)
6.88%
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12. Type of Reporting Person (See Instructions)
IA
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ITEM 1.
(a) Name of Issuer
AMERICAN SUPERCONDUCTOR CORP
(b) Address of Issuer's Principal Executive Offices
TWO TECHNOLOGY DR
WESTBOROUGH, MASSACHUSETTS 01581
ITEM 2.
(a) Name of Person Filing
IronBridge Capital Management, LLC
(b) Address of Principal Business Office or, if none, Residence
One Parkview Plaza, Suite 600
Oakbrook Terrace, Illinois
(c) Citizenship
US
(d) Title of Class of Securities
Common
(e) CUSIP Number
030111108
ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO SECTIONS 240.13d-1(b) or
240.13d-2(b) or (c), CHECK WHETHER THE PERSON FILING IS A:
(a) |_| Broker or dealer registered under section 15 of the Act
(15 U.S.C. 78o).
(b) |_| Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).
(c) |_| Insurance company as defined in section 3(a)(19) of the Act
(15 U.S.C. 78c).
(d) |_| Investment company registered under section 8 of the
Investment Company Act of 1940 (15 U.S.C. 80a-8).
(e) |x| An investment adviser in accordance with Section
240.13d-1(b)(1)(ii)(E);
(f) |_| An employee benefit plan or endowment fund in accordance with
Section 240.13d-1(b)(1)(ii)(F);
(g) |_| A parent holding company or control person in accordance with
Section 240.13d-1(b)(1)(ii)(G);
(h) |_| A savings association as defined in Section 3(b) of the
Federal Deposit Insurance Act (12 U.S.C. 1813);
(i) |_| A church plan that is excluded from the definition of an
investment company under section 3(c)(14) of the Investment
Company Act of 1940 (15 U.S.C. 80a-3);
(j) |_| Group, in accordance with Section 240.13d-1(b)(1)(ii)(J).
ITEM 4. OWNERSHIP
(a) Amount beneficially owned:
1923420
(b) Percent of Class:
6.88%
(c) Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote
1577140
(ii) Shared power to vote or to direct the vote
(iii) Sole power to dispose or to direct the disposition of
1923420
(iv) Shared power to dispose or to direct the disposition of
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
ITEM 9. NOTICE OF DISSOLUTION OF GROUP
NOT APPLICABLE
ITEM 10. CERTIFICATION
By signing below I certify that, to the best of my knowledge and
belief, the securities referred to above were acquired in the ordinary
course of business and were not acquired for the purpose of and do not
have the effect of changing or influencing the control of the issuer of
such securities and were not acquired in connection with or as a
participant in any transaction having such purpose or effect.
SIGNATURE
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.
2/11/05
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Date
/s/ John G. Davis
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Signature
John G. Davis, Chief Compliance Officer
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Name/Title