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MDU RES GROUP INC
MDU RES GROUP INC. Institutional holdings reported to the SEC.

Institutional Holders (2016Q3)
Portfolio Summary: 311 Institutional holders with a total value of $3,234,934,300.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 18,227,561 463,709,000 14.33%
2 PARNASSUS INVESTMENTS, LLC 13,701,416 348,564,000 10.77%
3 STATE STREET CORP 12,105,185 307,948,000 9.52%
4 BlackRock Fund Advisors 7,013,722 178,429,000 5.52%
5 BlackRock Institutional Trust Company, N.A. 5,770,973 146,814,000 4.54%
6 Bank of New York Mellon Corp 3,653,374 92,941,000 2.87%
7 FRANKLIN RESOURCES INC 3,604,240 91,692,000 2.83%
8 PRINCIPAL FINANCIAL GROUP INC 2,633,970 67,008,000 2.07%
9 SPRUCEGROVE INVESTMENT MANAGEMENT LTD 2,465,700 62,727,000 1.94%
10 US BANCORP \DE\ 2,097,669 53,365,000 1.65%
11 HEARTLAND ADVISORS INC 1,991,771 50,671,000 1.57%
12 GOLDMAN SACHS GROUP INC 1,986,123 50,527,000 1.56%
13 STRS OHIO 1,860,000 47,318,000 1.46%
14 NORTHERN TRUST CORP 1,689,427 42,978,000 1.33%
15 NORGES BANK 1,758,652 42,731,000 1.32%
16 PRUDENTIAL FINANCIAL INC 1,576,114 40,096,000 1.24%
17 FRONTIER CAPITAL MANAGEMENT CO LLC 1,536,592 39,091,000 1.21%
18 HERMES INVESTMENT MANAGEMENT LTD 1,412,523 35,935,000 1.11%
19 Invesco Ltd. 1,406,620 35,783,000 1.11%
20 GEODE CAPITAL MANAGEMENT, LLC 1,394,327 35,471,000 1.10%
21 PGGM Investments 1,318,477 33,542,000 1.04%
22 FIRST TRUST ADVISORS LP 1,219,206 31,017,000 0.96%
23 OLD REPUBLIC INTERNATIONAL CORP 1,300,000 25,873,000 0.80%
24 Copper Rock Capital Partners, LLC 871,054 22,125,000 0.68%
25 DIMENSIONAL FUND ADVISORS LP 840,071 21,371,000 0.66%
26 THRIVENT FINANCIAL FOR LUTHERANS 837,190 21,297,000 0.66%
27 TIAA CREF INVESTMENT MANAGEMENT LLC 826,930 21,037,000 0.65%
28 Legal & General Group Plc 814,651 20,725,000 0.64%
29 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 800,151 20,356,000 0.63%
30 MILLENNIUM MANAGEMENT LLC 778,215 19,798,000 0.61%
31 Allianz Asset Management GmbH 746,985 19,002,000 0.59%
32 BlackRock Investment Management, LLC 721,817 18,363,000 0.57%
33 NEW YORK STATE COMMON RETIREMENT FUND 699,616 17,798,000 0.55%
34 BlackRock Group LTD 690,202 17,559,000 0.54%
35 HENNESSY ADVISORS INC 666,907 16,966,000 0.52%
36 CORNERSTONE CAPITAL MANAGEMENT HOLDINGS LLC. 633,595 16,117,000 0.50%
37 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 626,516 15,939,000 0.49%
38 BLACKROCK ADVISORS LLC 616,847 15,693,000 0.49%
39 PARAMETRIC PORTFOLIO ASSOCIATES LLC 592,978 15,085,000 0.47%
40 RAINIER INVESTMENT MANAGEMENT LLC 569,960 14,500,000 0.45%
41 VIKING FUND MANAGEMENT LLC 520,000 13,229,000 0.41%
42 AMERIPRISE FINANCIAL INC 507,270 12,903,000 0.40%
43 MAIRS & POWER INC 483,672 12,305,000 0.38%
44 KEELEY ASSET MANAGEMENT CORP 482,479 12,274,000 0.38%
45 BlackRock Finance, Inc. 463,002 11,780,000 0.36%
46 CONFLUENCE INVESTMENT MANAGEMENT LLC 462,822 11,774,000 0.36%
47 BANK OF AMERICA CORP /DE/ 432,310 10,999,000 0.34%
48 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 425,847 10,834,000 0.33%
49 AXA S.A. 424,200 10,792,000 0.33%
50 CANADA LIFE ASSURANCE Co 423,865 10,785,000 0.33%
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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.