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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 (2015Q2)
Portfolio Summary: 2,173 holdings with a total value of $67,055,257,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 NORTH ATLANTIC DRILLING LTD 18,734 22,000 0.00%
2 TeleCommunication Systems Inc. 13,165 44,000 0.00%
3 EXCO RESOURCES INC 41,383 49,000 0.00%
4 BIOTIME INC 14,203 52,000 0.00%
5 VIRNETX HLDG CORP 12,347 52,000 0.00%
6 SYNTA PHARMACEUTICALS CORP 24,785 55,000 0.00%
7 LIMELIGHT NETWORKS INC COM 15,951 63,000 0.00%
8 Key Energy Services, Inc. 34,873 63,000 0.00%
9 SEVENTY SEVEN ENERGY INC - escrow shares 14,731 63,000 0.00%
10 BIOSCRIP INC 17,993 65,000 0.00%
11 Gastar Exploration, Ltd. 21,268 66,000 0.00%
12 THRESHOLD PHARMACEUTICAL INC 16,446 66,000 0.00%
13 PEREGRINE PHARMACEUTICALS IN 51,225 67,000 0.00%
14 VIVUS INC 28,315 67,000 0.00%
15 MATTSON TECHNOLOGY INC 20,419 68,000 0.00%
16 FRONTLINE LTD ORD 28,324 69,000 0.00%
17 UNITED CMNTY FINL CORP OHIO 12,879 69,000 0.00%
18 PERNIX THERAPEUTICS HLDGS IN 11,875 70,000 0.00%
19 Abraxas Petroleum Corp 24,611 73,000 0.00%
20 DURECT CORP 30,664 73,000 0.00%
21 RIGEL PHARMACEUTICAL INC 23,831 76,000 0.00%
22 NAVIOS MARITIME ACQUIS CORP SHS 21,498 77,000 0.00%
23 RESOURCE CAP CORP 20,504 79,000 0.00%
24 ORASURE TECHNOLOGIES INC 14,834 80,000 0.00%
25 NEOGENOMICS INC 14,785 80,000 0.00%
26 ZIX CORP 15,875 82,000 0.00%
27 Park Sterling Corp 11,794 85,000 0.00%
28 ORGANOVO HLDGS INC 22,469 85,000 0.00%
29 CIVEO CORP CDA 28,129 86,000 0.00%
30 ARC DOCUMENT SOLUTIONS INC COM 11,264 86,000 0.00%
31 LEXICON PHARMACEUTICALS INC 11,065 89,000 0.00%
32 ANTARES PHARMA INC 42,654 89,000 0.00%
33 GRAFTECH INTERNATIONAL LTD 18,373 91,000 0.00%
34 MERGE HEALTHCARE INC 19,025 91,000 0.00%
35 PEABODY ENERGY CORP 42,451 93,000 0.00%
36 QUANTUM CORP COM DSSG 56,459 95,000 0.00%
37 PACIFIC BIOSCIENCES CALIF IN 16,775 97,000 0.00%
38 Teekay Tankers LTD 14,629 97,000 0.00%
39 SEQUENOM INC 32,383 98,000 0.00%
40 XENOPORT INC 16,179 99,000 0.00%
41 BIODELIVERY SCIENCES INTL IN 12,746 101,000 0.00%
42 CLIFFS NAT RES INC 23,424 101,000 0.00%
43 RTI SURGICAL HOLDINGS INC COM 15,687 101,000 0.00%
44 CORCEPT THERAPEUTICS INC 17,038 102,000 0.00%
45 Curis, Inc 30,671 102,000 0.00%
46 AMKOR TECHNOLOGY INC 17,085 102,000 0.00%
47 DOT HILL SYS CORP 16,848 103,000 0.00%
48 PARKER DRILLING COMPANY 32,051 106,000 0.00%
49 IMMUNOMEDICS INCORPORATED 26,464 107,000 0.00%
50 PHOTRONICS INC 11,477 109,000 0.00%
Page 1 of 44

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001126328-15-000214, filed 2015.08.10).

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.