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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 (2015Q3)
Portfolio Summary: 2,185 holdings with a total value of $63,648,097,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 Key Energy Services, Inc. 25,183 12,000 0.00%
2 Magnum Hunter Resources Corp 35,243 12,000 0.00%
3 XOMA CORP DEL 16,947 13,000 0.00%
4 NORTH ATLANTIC DRILLING LTD 18,734 14,000 0.00%
5 SEVENTY SEVEN ENERGY INC - escrow shares 10,708 15,000 0.00%
6 CASTLE BRANDS INC COM 11,642 15,000 0.00%
7 Gastar Exploration, Ltd. 15,704 18,000 0.00%
8 UNILIFE CORP 21,700 21,000 0.00%
9 EXCO RESOURCES INC 27,932 21,000 0.00%
10 * SANDRIDGE ENERGY INC COM 76,545 21,000 0.00%
11 LIMELIGHT NETWORKS INC COM 11,742 22,000 0.00%
12 Abraxas Petroleum Corp 18,670 24,000 0.00%
13 CYTRX CORP 11,197 27,000 0.00%
14 SYNTA PHARMACEUTICALS CORP 15,375 27,000 0.00%
15 QUANTUM CORP COM DSSG 39,925 28,000 0.00%
16 IMMUNOMEDICS INCORPORATED 16,999 29,000 0.00%
17 GOLDEN OCEAN GRP LTD 11,590 29,000 0.00%
18 VIVUS INC 17,565 29,000 0.00%
19 CIVEO CORP CDA 20,536 30,000 0.00%
20 FAIRMOUNT SANTROL HLDGS INC 12,230 33,000 0.00%
21 HALCON RESOURCES CORP 65,659 35,000 0.00%
22 MATTSON TECHNOLOGY INC 14,999 35,000 0.00%
23 SEQUENOM INC 19,981 35,000 0.00%
24 PEREGRINE PHARMACEUTICALS IN 33,874 35,000 0.00%
25 MILLENNIAL MEDIA INC 20,791 36,000 0.00%
26 SOLAZYME INC 13,750 36,000 0.00%
27 C&J ENERGY SVCS LTD 10,271 36,000 0.00%
28 HOVNANIAN ENTERPRISES INC 20,593 36,000 0.00%
29 DURECT CORP 19,022 37,000 0.00%
30 RIGEL PHARMACEUTICAL INC 14,978 37,000 0.00%
31 Curis, Inc 18,817 38,000 0.00%
32 PACIFIC BIOSCIENCES CALIF IN 10,247 38,000 0.00%
33 CATALYST PHARMACEUTICALS INC 12,745 38,000 0.00%
34 CORCEPT THERAPEUTICS INC 10,472 39,000 0.00%
35 ORGANOVO HLDGS INC 15,390 41,000 0.00%
36 OCLARO INC 17,821 41,000 0.00%
37 ATLANTIC PWR CORP 21,816 41,000 0.00%
38 CTI BIOPHARMA 27,836 41,000 0.00%
39 GALENA BIOPHARMA INC 27,360 43,000 0.00%
40 THRESHOLD PHARMACEUTICAL INC 11,165 45,000 0.00%
41 ONCOTHYREON INC COM N/C EFF 6/ 17,309 47,000 0.00%
42 SERVICESOURCE INTL 11,666 47,000 0.00%
43 CORENERGY INFRASTRUCTURE 11,039 49,000 0.00%
44 ANTARES PHARMA INC 28,970 49,000 0.00%
45 IDERA PHARMACEUTICALS INCORPORATED COM NEW 14,485 49,000 0.00%
46 TRONOX LTD SHS CL A 11,190 49,000 0.00%
47 CLIFFS NAT RES INC 20,635 50,000 0.00%
48 ZIX CORP 11,858 50,000 0.00%
49 UNITED CMNTY FINL CORP OHIO 10,121 51,000 0.00%
50 PEABODY ENERGY CORP 37,395 52,000 0.00%
Page 1 of 44

Portfolio data is normalized using SEC Form 13F filings, including the Restatement filing (0001126328-15-000277, filed 2015.11.12).

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.