13F-HR 1 a2204058z13f-hr.txt 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, 2011 ----------------------- 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: Thayer | Hidden Creek Partners, L.L.C. -------------------------------------- Address: 1455 Pennsylvania Avenue, NW -------------------------------------- Suite 350 -------------------------------------- Washington, DC 20004 -------------------------------------- Form 13F File Number: 28-14198 --------------------- 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: Lisa M. Costello ------------------------------- Title: Chief Financial Officer ------------------------------- Phone: 202-371-0150 ------------------------------- Signature, Place, and Date of Signing: /s/ Lisa M. Costello Washington, DC May 10, 2011 ------------------------------- ----------------- ------------- [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: 3 -------------------- Form 13F Information Table Entry Total: 3 -------------------- Form 13F Information Table Value Total: 259,954 -------------------- (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. No. Form 13F File Number Name 1 28-14199 TC Equity Partners IV, L.L.C. ------ ----------------- -------------------------------------- 2 28-14200 TC Equity Partners V, L.L.C. ------ ----------------- -------------------------------------- 3 28-14202 Thayer | Hidden Creek Management, L.P. ------ ----------------- -------------------------------------- FORM 13F INFORMATION TABLE

COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8 ---------------------------- ---------------- --------- -------- -------------------~~---~~ ------------ ---------- ----------------------- VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGERS SOLE SHARED NONE ---------------------------- ---------------- --------- -------- ---------- ----- ------ ------------ ---------- ----- ---------- ------ ~~IESI BFC Ltd COM 44951D108 265,021 10,906,195 SH DEFINED 1, 3 10,906,195~~ Mistras Group Inc. COM 60649T107 3747,~~264~~537 2,764,401 SH DEFINED 1, 3 2,764,401 Roadrunner Trnsn Svcs Hldg I COM 76973Q105 ~~168~~174,~~201~~483 11,632,192 SH DEFINED 2, 3 11,632,192 Roadrunner Trnsn Svcs Hldg I COM 76973Q105 37,~~805~~934 2,614,433 SH DEFINED 3 2,614,433

Filing Compare · Thayer Hidden Creek Partners, L.L.C.