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| UNITED STATES |
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SCHEDULE
13G
Under the Securities Exchange Act of 1934
(Amendment No. __)
PDF Solutions, Inc.
(Name of Issuer)
Common Stock
(Title of Class of Securities)
693282105
(CUSIP Number)
December 31, 2008
(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).
Potential persons
who are to respond to the collection of information contained in this form are not required to respond unless the form displays a
currently valid OMB control number.
SEC Page 1 of 8
CUSIP No. 693282105
1. Names
of Reporting Persons.
Artis Capital Management, L.P.
2. Check
the Appropriate Box if a Member of a Group (See Instructions)
(a)
(b) X
3. SEC Use Only
4. Citizenship or Place of Organization CA
| Number of |
5. Sole Voting Power 0 |
6. Shared Voting Power 1,734,834 |
|
7. Sole Dispositive Power 0 |
|
8. Shared Dispositive Power 1,734,834 |
9. Aggregate Amount Beneficially Owned by Each Reporting Person 1,734,834
10. Check
if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions) ______
11. Percent of Class Represented by Amount in Row (9) 6.3%
12. Type of Reporting Person (See Instructions) PN, IA
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CUSIP No. 693282105
1. Names
of Reporting Persons.
Artis Capital Management, Inc.
2. Check
the Appropriate Box if a Member of a Group (See Instructions)
(a)
(b) X
3. SEC Use Only
4. Citizenship or Place of Organization CA
| Number of |
5. Sole Voting Power 0 |
6. Shared Voting Power 1,734,834 |
|
7. Sole Dispositive Power 0 |
|
8. Shared Dispositive Power 1,734,834 |
9. Aggregate Amount Beneficially Owned by Each Reporting Person 1,734,834
10. Check
if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions) ______
11. Percent of Class Represented by Amount in Row (9) 6.3%
12. Type of Reporting Person (See Instructions) CO, HC
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CUSIP No. 693282105
1. Names
of Reporting Persons.
Stuart L. Peterson
2. Check
the Appropriate Box if a Member of a Group (See Instructions)
(a)
(b) X
3. SEC Use Only
4. Citizenship or Place of Organization U.S.A.
| Number of |
5. Sole Voting Power 0 |
6. Shared Voting Power 1,734,834 |
|
7. Sole Dispositive Power 0 |
|
8. Shared Dispositive Power 1,734,834 |
9. Aggregate Amount Beneficially Owned by Each Reporting Person 1,734,834
10. Check
if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions) ______
11. Percent of Class Represented by Amount in Row (9) 6.3%
12. Type of Reporting Person (See Instructions) IN, HC
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CUSIP No. 693282105
Item 1.
(a) Name
of Issuer
PDF Solutions, Inc.
(b) Address
of Issuer's Principal Executive Offices
333 West San Carlos Street, Suite 700, San Jose, CA 95110
Item 2.
(a) The
names of the persons filing this statement are:
Artis Capital Management, L.P. ("Artis"), Artis Capital Management, Inc. ("Artis Inc.") and
Stuart L. Peterson (collectively, the "Filers")
(b) The
principal business office of the Filers is located at:
One Market Plaza, Steuart Street Tower, Suite 2700, San Francisco, CA 94105
(c) For citizenship of Filers, see Item 4 of the cover sheet for each Filer.
(d) This statement relates to shares of common stock of the Issuer (the "Stock").
(e) The CUSIP number of the Issuer is: 693282105
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CUSIP No. 693282105
Item 3. If this statement is filed pursuant to rule 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) (as to Artis).
(f) [ ] An employee benefit plan or endowment fund in accordance with section 240.13d-1(b)(1)(ii)(F).
(g) [ x ] A parent holding company or control person in accordance with 240.13d-1(b)(1)(ii)(G) (as to Artis Inc. and Mr. Peterson).
(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) [ ] A non-U.S. institution in accordance with §240.13d-1(b)(ii)(J).
(k) [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(K).
If filing as a non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J), please specify the type of institution _______________________________________________________________.
Item 4. Ownership.
See Items 5-9 and 11 of the cover page for each Filer.
Item 5. Ownership of Five Percent or Less of a Class
If this statement is
being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than
five percent of the class of securities, check the following [ ].
Item 6. Ownership of More than Five Percent on Behalf of Another Person.
Artis is an investment
adviser whose clients have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale
of, the Stock. No individual client holds more than five percent of the outstanding Stock.
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CUSIP No. 693282105
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.
The Filers are filing this Schedule 13G jointly, but not as members of a group, and each expressly disclaims membership in a group. Artis is a registered investment adviser and is the investment adviser of investment funds that hold the Stock for the benefit of the investors in those funds. Artis Inc. is the general partner of Artis. Mr. Peterson is the president of Artis Inc. and the controlling owner of Artis and Artis Inc. Each of Artis, Artis Inc. and Mr. Peterson disclaims beneficial ownership of the Stock, except to the extent of that person's pecuniary interest therein.
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 and are held in the ordinary course of business and 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.
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.
Dated: February 13, 2009
| ARTIS CAPITAL MANAGEMENT, L.P. |
|
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CUSIP No. 693282105
EXHIBIT A
AGREEMENT
REGARDING JOINT FILING
OF STATEMENT ON SCHEDULE 13D OR 13G
The undersigned agree to file jointly with the Securities and Exchange Commission (the "SEC") any and all statements on Schedule 13D or Schedule 13G (and any amendments or supplements thereto) required under section 13(d) of the Securities Exchange Act of 1934, as amended, in connection with purchases by the undersigned of the securities of any issuer. For that purpose, the undersigned hereby constitute and appoint Artis Capital Management, L.P., a California limited partnership, as their true and lawful agent and attorney-in-fact, with full power and authority for and on behalf of the undersigned to prepare or cause to be prepared, sign, file with the SEC and furnish to any other person all certificates, instruments, agreements and documents necessary to comply with section 13(d) and section 16(a) of the Securities Exchange Act of 1934, as amended, in connection with said purchases, and to do and perform every act necessary and proper to be done incident to the exercise of the foregoing power, as fully as the undersigned might or could do if personally present.
Dated: February 13, 2009
| ARTIS CAPITAL MANAGEMENT, L.P. |
ARTIS CAPITAL MANAGEMENT, INC. |
Stuart L. Peterson |
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