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

Institutional Holders (2016Q1)
Portfolio Summary: 294 Institutional holders with a total value of $2,363,507,648.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 STATE STREET CORP 15,317,653 298,091,000 12.61%
2 VANGUARD GROUP INC 14,508,935 282,343,000 11.95%
3 PARNASSUS INVESTMENTS, LLC 12,693,337 247,012,000 10.45%
4 BlackRock Fund Advisors 6,394,638 124,440,000 5.27%
5 BlackRock Institutional Trust Company, N.A. 5,796,854 112,807,000 4.77%
6 FRANKLIN RESOURCES INC 3,621,683 70,478,000 2.98%
7 SPRUCEGROVE INVESTMENT MANAGEMENT LTD 3,176,900 61,822,000 2.62%
8 FIRST TRUST ADVISORS LP 2,737,486 53,271,000 2.25%
9 STRS OHIO 2,643,000 51,432,000 2.18%
10 PRUDENTIAL FINANCIAL INC 2,496,864 48,589,000 2.06%
11 Bank of New York Mellon Corp 2,415,374 47,002,000 1.99%
12 US BANCORP \DE\ 2,103,094 40,926,000 1.73%
13 GOLDMAN SACHS GROUP INC 1,737,042 33,803,000 1.43%
14 HEARTLAND ADVISORS INC 1,664,621 32,394,000 1.37%
15 NORGES BANK 1,654,455 32,196,000 1.36%
16 NORTHERN TRUST CORP 1,516,768 29,516,000 1.25%
17 PGGM Investments 1,507,340 29,333,000 1.24%
18 FRONTIER CAPITAL MANAGEMENT CO LLC 1,349,488 26,261,000 1.11%
19 OLD REPUBLIC INTERNATIONAL CORP 1,300,000 25,298,000 1.07%
20 GEODE CAPITAL MANAGEMENT, LLC 1,200,606 23,363,000 0.99%
21 HERMES INVESTMENT MANAGEMENT LTD 1,198,955 23,284,000 0.99%
22 Invesco Ltd. 1,049,033 20,414,000 0.86%
23 RENAISSANCE TECHNOLOGIES LLC 971,150 18,899,000 0.80%
24 CORNERSTONE CAPITAL MANAGEMENT HOLDINGS LLC. 911,808 17,744,000 0.75%
25 Legal & General Group Plc 798,890 15,546,000 0.66%
26 DIMENSIONAL FUND ADVISORS LP 735,734 14,317,000 0.61%
27 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 711,382 13,844,000 0.59%
28 TIAA CREF INVESTMENT MANAGEMENT LLC 689,906 13,426,000 0.57%
29 AXA S.A. 686,300 13,356,000 0.57%
30 BlackRock Investment Management, LLC 666,458 12,969,000 0.55%
31 MAIRS & POWER INC 665,493 12,951,000 0.55%
32 PRINCIPAL FINANCIAL GROUP INC 644,831 12,548,000 0.53%
33 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 642,016 12,494,000 0.53%
34 BlackRock Group LTD 610,292 11,876,000 0.50%
35 THRIVENT FINANCIAL FOR LUTHERANS 574,200 11,173,000 0.47%
36 HENNESSY ADVISORS INC 566,407 11,022,000 0.47%
37 BANK OF AMERICA CORP /DE/ 541,100 10,531,000 0.45%
38 WELLS FARGO & COMPANY/MN 539,727 10,503,000 0.44%
39 PARAMETRIC PORTFOLIO ASSOCIATES LLC 534,172 10,395,000 0.44%
40 NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC 532,421 10,361,000 0.44%
41 DEUTSCHE BANK AG\ 524,195 10,200,000 0.43%
42 AMERIPRISE FINANCIAL INC 496,150 9,657,000 0.41%
43 NEW YORK STATE COMMON RETIREMENT FUND 494,072 9,615,000 0.41%
44 MILLER HOWARD INVESTMENTS INC /NY 489,650 9,529,000 0.40%
45 VIKING FUND MANAGEMENT LLC 470,000 9,146,000 0.39%
46 CONFLUENCE INVESTMENT MANAGEMENT LLC 458,792 8,928,000 0.38%
47 Gotham Asset Management, LLC 442,845 8,618,000 0.36%
48 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 425,351 8,277,000 0.35%
49 TWO SIGMA INVESTMENTS, LP 408,283 7,945,000 0.34%
50 AMERICAN INTERNATIONAL GROUP, INC. 399,286 7,770,000 0.33%
Page 1 of 6

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.