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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
1 SYNTA PHARMACEUTICALS CORP 15,375 5,000 0.00%
2 THRESHOLD PHARMACEUTICAL INC 10,818 5,000 0.00%
3 TRIANGLE PETE CORP 10,050 8,000 0.00%
4 UNILIFE CORP 18,938 9,000 0.00%
5 ION GEOPHYSICAL CORP 20,364 10,000 0.00%
6 SEVENTY SEVEN ENERGY INC - escrow shares 10,588 11,000 0.00%
7 PENDRELL CORP 30,408 15,000 0.00%
8 HALCON RES CORP 13,494 17,000 0.00%
9 LIMELIGHT NETWORKS INC COM 11,742 17,000 0.00%
10 VIVUS INC 17,565 18,000 0.00%
11 ACCURIDE CORP NEW 11,383 19,000 0.00%
12 Abraxas Petroleum Corp 18,670 20,000 0.00%
13 XOMA CORP DEL 15,472 21,000 0.00%
14 BIOSCRIP INC 13,019 23,000 0.00%
15 NAVIOS MARITIME HOLDINGS INC 14,461 25,000 0.00%
16 CIVEO CORP CDA 19,690 28,000 0.00%
17 CYTRX CORP 11,197 30,000 0.00%
18 FAIRMOUNT SANTROL HLDGS INC 12,736 30,000 0.00%
19 CATALYST PHARMACEUTICALS INC 12,745 31,000 0.00%
20 SEQUENOM INC 19,981 33,000 0.00%
21 Navidea Biopharm Inc 25,608 34,000 0.00%
22 SOLAZYME INC 13,750 34,000 0.00%
23 ONCOTHYREON INC COM N/C EFF 6/ 16,119 36,000 0.00%
24 CTI BIOPHARMA 29,809 37,000 0.00%
25 QUANTUM CORP COM DSSG 39,925 37,000 0.00%
26 ANTARES PHARMA INC 31,207 38,000 0.00%
27 ORGANOVO HLDGS INC 15,390 38,000 0.00%
28 HOVNANIAN ENTERPRISES INC 21,206 38,000 0.00%
29 PEREGRINE PHARMACEUTICALS IN 33,874 40,000 0.00%
30 GREAT LAKES DREDGE & DOCK CO 10,019 40,000 0.00%
31 GALENA BIOPHARMA INC 27,360 40,000 0.00%
32 PARKER DRILLING COMPANY 22,713 41,000 0.00%
33 DURECT CORP 19,022 42,000 0.00%
34 CLIFFS NAT RES INC 26,824 42,000 0.00%
35 TRONOX LTD SHS CL A 10,997 43,000 0.00%
36 ATLANTIC PWR CORP 22,495 44,000 0.00%
37 CENTRAL EUROPEAN MEDIA ENTRP CL A NEW 16,814 45,000 0.00%
38 RIGEL PHARMACEUTICAL INC 14,978 45,000 0.00%
39 IDERA PHARMACEUTICALS INCORPORATED COM NEW 14,485 45,000 0.00%
40 CLEAN ENERGY FUELS CORPORATION COM 12,942 47,000 0.00%
41 NAVIOS MARITIME ACQUIS CORP SHS 15,843 48,000 0.00%
42 C&J ENERGY SVCS LTD 10,271 49,000 0.00%
43 Mizuho Financial Group 12,118 49,000 0.00%
44 RTI SURGICAL HOLDINGS INC COM 12,667 50,000 0.00%
45 IMMUNOMEDICS INCORPORATED 16,344 50,000 0.00%
46 MATTSON TECHNOLOGY INC 14,432 51,000 0.00%
47 CORCEPT THERAPEUTICS INC 10,472 52,000 0.00%
48 EVERI HLDGS INC 11,790 52,000 0.00%
49 AXCELIS TECHNOLOGIES INC 20,766 54,000 0.00%
50 Curis, Inc 18,817 55,000 0.00%
Page 1 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.