13F-HR 1 d13fhr.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: June 30, 2006 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: Sowood Capital Management LP Address: 500 Boylston Street, 17th Floor, Boston, MA 02116 13 File Number: 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 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: Michelle Gillespie Title: Director of Operations Phone: 617-603-3460 Signature, Place and Date of Signing: /s/ Michelle Gillespie, Boston, MA, August 14, 2006 Report Type (Check only one.): [X] 13F HOLDINGS REPORT. [ ] 13F NOTICE. [ ] 13F COMBINATION REPORT. I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE ACT OF 1934 FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 313 Form 13F Information Table Value Total: 5074978

Sowood Capital Management LP 13F-HR