Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0001144204-07-040963
Filing Date
2007-08-08
Accepted
2007-08-08 09:21:10
Documents
1
Group Members
CITADEL DERIVATIVES GROUP LLCCITADEL EQUITY FUND LTD.CITADEL INVESTMENT GROUP, L.L.C.KENNETH GRIFFIN

Document Format Files

Seq Description Document Type Size
1 v083485_sc13g.txt SC 13G 23067
  Complete submission text file 0001144204-07-040963.txt   25233
Mailing Address 2724 NORTH TENAYA WAY 2724 NORTH TENAYA WAY LAS VEGAS NV 89128
Business Address 2724 N TENAYA WAY LAS VEGAS NV 89128 7022427000
SIERRA HEALTH SERVICES INC (Subject) CIK: 0000754009 (see all company filings)

EIN.: 880200415 | State of Incorp.: NV | Fiscal Year End: 1207
Type: SC 13G | Act: 34 | File No.: 005-38467 | Film No.: 071033742
SIC: 6324 Hospital & Medical Service Plans

Mailing Address 131 S. DEARBORN STREET, 32ND FLOOR CHICAGO IL 60603
Business Address 131 S. DEARBORN STREET, 32ND FLOOR CHICAGO IL 60606 3123952100
CITADEL L P (Filed by) CIK: 0001027745 (see all company filings)

EIN.: 364111741 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G