Dark
Light
System
Security
NORTHWESTERN ENERGY GROUP INC COM NEW
NORTHWESTERN ENERGY GROUP INC COM NEW. Institutional holdings reported to the SEC.

Institutional Holders (2014Q1)
Portfolio Summary: 195 Institutional holders with a total value of $1,792,006,557.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 2,560,213 121,431,000 6.78%
2 PRICE T ROWE ASSOCIATES INC /MD/ 2,282,095 108,240,000 6.04%
3 JPMORGAN CHASE & CO 2,217,120 105,158,000 5.87%
4 BlackRock Fund Advisors 2,168,650 102,859,000 5.74%
5 SCHRODER INVESTMENT MANAGEMENT GROUP 1,894,717 89,866,427 5.01%
6 AMERICAN CENTURY COMPANIES INC 1,135,671 53,865,000 3.01%
7 Neuberger Berman Group LLC 1,121,910 53,212,000 2.97%
8 GABELLI FUNDS LLC 1,117,000 52,979,000 2.96%
9 BlackRock Institutional Trust Company, N.A. 1,064,968 50,511,000 2.82%
10 Bank of New York Mellon Corp 1,044,118 49,522,000 2.76%
11 NORTHERN TRUST CORP 958,633 45,468,000 2.54%
12 STATE STREET CORP 941,189 44,644,000 2.49%
13 THOMPSON SIEGEL & WALMSLEY LLC 901,182 42,743,000 2.39%
14 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 871,664 41,343,024 2.31%
15 GOLDMAN SACHS GROUP INC 866,717 41,108,000 2.29%
16 GW&K Investment Management, LLC 853,960 40,503,000 2.26%
17 MACQUARIE GROUP LTD 796,677 37,786,000 2.11%
18 SYSTEMATIC FINANCIAL MANAGEMENT LP 701,702 33,281,000 1.86%
19 BLACKROCK ADVISORS LLC 661,622 31,381,000 1.75%
20 TEACHERS ADVISORS, LLC 649,466 30,804,000 1.72%
21 THRIVENT FINANCIAL FOR LUTHERANS 621,410 29,474,000 1.64%
22 MUNDER CAPITAL MANAGEMENT 540,430 25,633,000 1.43%
23 DIMENSIONAL FUND ADVISORS LP 526,568 24,974,000 1.39%
24 CRAMER ROSENTHAL MCGLYNN LLC 500,440 23,736,000 1.32%
25 GAMCO INVESTORS, INC. ET AL 476,200 22,586,000 1.26%
26 DEUTSCHE BANK AG\ 475,829 22,567,000 1.26%
27 VICTORY CAPITAL MANAGEMENT INC 456,725 21,663,000 1.21%
28 LOOMIS SAYLES & CO L P 412,778 19,578,000 1.09%
29 CHARTWELL INVESTMENT PARTNERS/PA 369,492 17,525,000 0.98%
30 NORGES BANK 353,476 16,765,000 0.94%
31 FIRST MANHATTAN CO. LLC. 339,847 16,118,000 0.90%
32 KEELEY ASSET MANAGEMENT CORP 298,875 14,176,000 0.79%
33 BlackRock Investment Management, LLC 279,954 13,278,000 0.74%
34 INVESTMENT COUNSELORS OF MARYLAND LLC 276,043 13,093,000 0.73%
35 NEW YORK STATE COMMON RETIREMENT FUND 269,885 12,801,000 0.71%
36 GEODE CAPITAL MANAGEMENT, LLC 267,753 12,699,000 0.71%
37 AMP Capital Investors Ltd 252,100 11,827,000 0.66%
38 PRINCIPAL FINANCIAL GROUP INC 244,159 11,581,000 0.65%
39 AMERIPRISE FINANCIAL INC 221,267 10,495,000 0.59%
40 MANAGED ACCOUNT ADVISORS LLC 185,671 8,806,000 0.49%
41 TIAA CREF INVESTMENT MANAGEMENT LLC 174,528 8,278,000 0.46%
42 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 150,912 7,198,000 0.40%
43 WESTWOOD HOLDINGS GROUP INC 148,528 7,045,000 0.39%
44 BlackRock Group LTD 139,464 6,614,000 0.37%
45 RUSSELL FRANK CO/ 136,231 6,461,000 0.36%
46 WHV Investments, Inc. 135,385 6,422,000 0.36%
47 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 133,013 6,309,000 0.35%
48 APG Asset Management N.V. 119,800 5,682,000 0.32%
49 GUGGENHEIM CAPITAL LLC 118,052 5,600,000 0.31%
50 Legal & General Group Plc 114,204 5,417,000 0.30%
Page 1 of 4

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.