13F-HR 1 d530518d13fhr.txt FORM 13F-HR UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F FORM 13F COVER PAGE Report for the Calendar Year or Quarter Ended: March 31, 2013 Check here if Amendment [_]; Amendment Number: ______ This Amendment (Check only one.): [_] is a restatement. [_] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: Sanderson Asset Management, LLP Address: Heathcoat House 20 Savile Row, 6th Floor London W1S 3PR, United Kingdom Form 13F File Number: 28-12124 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: James Longbottom Title: Chief Compliance Officer Phone: 44-20-7468-5961 Signature, Place, and Date of Signing: /s/ James Longbottom London, United Kingdom May 1, 2013 -------------------- ---------------------- ----------- [Signature] [City, State] [Date] Report Type (Check only one.): [X] 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.) [_] 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).) [_] 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).) FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 ---------- Form 13F Information Table Entry Total: 1 ---------- Form 13F Information Table Value Total: $112,400 (thousands) List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report. NONE FORM 13F INFORMATION TABLE

Column 1 Column 2 Column 3 Column 4 Column 5 Column 6 Column 7 Column 8 --------------- ---------- ---- ------ --------- -------- -------------------- ---------- -------- --------------------- ~~VOTING~~Voting ~~AUTHORITY~~Authority ~~NAME~~Title OFof ~~TITLE~~Value OFShrs ~~VALUE~~or ~~SHRS~~prn ORInvestment ~~SH/~~Other ~~PUT/ INVESTMENT OTHER~~ --------------------- ~~ISSUER~~Name ~~CLASS~~of Issuer Class CUSIP (x$1000) ~~PRN~~amt ~~AMT~~ SH/PRN ~~CALL~~Put/Call ~~DISCRETION~~Discretion ~~MANAGERS~~Managers ~~SOLE~~Sole ~~SHARED~~Shared ~~NONE~~None --------------- ---------- ---- ------ --------- -------- --- ------- --- ----- ---------- -------- --------- ------ ---- ~~TAIWAN~~Taiwan ~~SEMICONDUCTOR~~Semiconductor ~~MFG LTD~~ Sponsored ~~ADR~~ 874039100 ~~159~~112,~~909~~400 96,~~318~~538,679 SH X SOLE 96,~~318~~538,679 0MFG 0LTD ADR

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