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Institutional Investment Manager
PRINCIPAL FINANCIAL GROUP INC
PRINCIPAL FINANCIAL GROUP INC (CIK: 0001126328) incorporated in Delaware, registered under Accident & Health Insurance, located at 711 High Street, Des Moines, IA. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q4)
Portfolio Summary: 2,191 holdings with a total value of $67,304,238,000.
#
Name
Shares
Value ($)
%
Options
Notes
2151 NAVIOS MARITIME ACQUIS CORP SHS 15,843 48,000 0.00%
2152 CLEAN ENERGY FUELS CORPORATION COM 12,942 47,000 0.00%
2153 RIGEL PHARMACEUTICAL INC 14,978 45,000 0.00%
2154 IDERA PHARMACEUTICALS INCORPORATED COM NEW 14,485 45,000 0.00%
2155 CENTRAL EUROPEAN MEDIA ENTRP CL A NEW 16,814 45,000 0.00%
2156 ATLANTIC PWR CORP 22,495 44,000 0.00%
2157 TRONOX LTD SHS CL A 10,997 43,000 0.00%
2158 CLIFFS NAT RES INC 26,824 42,000 0.00%
2159 DURECT CORP 19,022 42,000 0.00%
2160 PARKER DRILLING COMPANY 22,713 41,000 0.00%
2161 GALENA BIOPHARMA INC 27,360 40,000 0.00%
2162 PEREGRINE PHARMACEUTICALS IN 33,874 40,000 0.00%
2163 GREAT LAKES DREDGE & DOCK CO 10,019 40,000 0.00%
2164 ORGANOVO HLDGS INC 15,390 38,000 0.00%
2165 HOVNANIAN ENTERPRISES INC 21,206 38,000 0.00%
2166 ANTARES PHARMA INC 31,207 38,000 0.00%
2167 QUANTUM CORP COM DSSG 39,925 37,000 0.00%
2168 CTI BIOPHARMA 29,809 37,000 0.00%
2169 ONCOTHYREON INC COM N/C EFF 6/ 16,119 36,000 0.00%
2170 Navidea Biopharm Inc 25,608 34,000 0.00%
2171 SOLAZYME INC 13,750 34,000 0.00%
2172 SEQUENOM INC 19,981 33,000 0.00%
2173 CATALYST PHARMACEUTICALS INC 12,745 31,000 0.00%
2174 FAIRMOUNT SANTROL HLDGS INC 12,736 30,000 0.00%
2175 CYTRX CORP 11,197 30,000 0.00%
2176 CIVEO CORP CDA 19,690 28,000 0.00%
2177 NAVIOS MARITIME HOLDINGS INC 14,461 25,000 0.00%
2178 BIOSCRIP INC 13,019 23,000 0.00%
2179 XOMA CORP DEL 15,472 21,000 0.00%
2180 Abraxas Petroleum Corp 18,670 20,000 0.00%
2181 ACCURIDE CORP NEW 11,383 19,000 0.00%
2182 VIVUS INC 17,565 18,000 0.00%
2183 HALCON RES CORP 13,494 17,000 0.00%
2184 LIMELIGHT NETWORKS INC COM 11,742 17,000 0.00%
2185 PENDRELL CORP 30,408 15,000 0.00%
2186 SEVENTY SEVEN ENERGY INC - escrow shares 10,588 11,000 0.00%
2187 ION GEOPHYSICAL CORP 20,364 10,000 0.00%
2188 UNILIFE CORP 18,938 9,000 0.00%
2189 TRIANGLE PETE CORP 10,050 8,000 0.00%
2190 SYNTA PHARMACEUTICALS CORP 15,375 5,000 0.00%
2191 THRESHOLD PHARMACEUTICAL INC 10,818 5,000 0.00%
Page 44 of 44

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001126328-16-000360, filed 2016.02.09).

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.