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

Institutional Holders (2015Q3)
Portfolio Summary: 311 Institutional holders with a total value of $2,088,378,210.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 STATE STREET CORP 14,858,304 255,566,000 12.24%
2 VANGUARD GROUP INC 13,622,572 234,309,000 11.22%
3 PARNASSUS INVESTMENTS, LLC 13,122,761 217,005,000 10.39%
4 BlackRock Fund Advisors 6,294,830 108,271,000 5.18%
5 SPRUCEGROVE INVESTMENT MANAGEMENT LTD 6,133,961 105,504,000 5.05%
6 BlackRock Institutional Trust Company, N.A. 5,759,786 99,068,000 4.74%
7 FRANKLIN RESOURCES INC 4,021,743 69,174,000 3.31%
8 Bank of New York Mellon Corp 3,583,367 61,635,000 2.95%
9 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 2,655,461 45,674,000 2.19%
10 STRS OHIO 2,648,576 45,555,000 2.18%
11 MAIRS & POWER INC 2,170,306 37,329,000 1.79%
12 US BANCORP \DE\ 2,119,314 36,452,000 1.75%
13 WELLINGTON MANAGEMENT GROUP LLP 1,931,366 33,220,000 1.59%
14 NORTHERN TRUST CORP 1,829,507 31,466,000 1.51%
15 NORGES BANK 1,742,080 29,963,000 1.43%
16 PGGM Investments 1,393,762 23,973,000 1.15%
17 OLD REPUBLIC INTERNATIONAL CORP 1,120,500 22,673,000 1.09%
18 HERMES INVESTMENT MANAGEMENT LTD 1,178,214 20,265,000 0.97%
19 GEODE CAPITAL MANAGEMENT, LLC 1,158,844 19,918,000 0.95%
20 BlackRock Group LTD 1,144,394 19,684,000 0.94%
21 DEUTSCHE BANK AG\ 1,076,262 18,510,000 0.89%
22 WELLS FARGO & COMPANY/MN 874,736 15,045,000 0.72%
23 Legal & General Group Plc 860,285 14,794,000 0.71%
24 Invesco Ltd. 837,576 14,406,000 0.69%
25 FRONTIER CAPITAL MANAGEMENT CO LLC 817,634 14,063,000 0.67%
26 MILLER HOWARD INVESTMENTS INC /NY 815,475 14,026,000 0.67%
27 HENNESSY ADVISORS INC 721,407 12,408,000 0.59%
28 FIRST TRUST ADVISORS LP 697,547 11,998,000 0.57%
29 BlackRock Investment Management, LLC 690,170 11,871,000 0.57%
30 DIMENSIONAL FUND ADVISORS LP 669,687 11,517,000 0.55%
31 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 642,581 11,053,000 0.53%
32 TIAA CREF INVESTMENT MANAGEMENT LLC 613,138 10,546,000 0.50%
33 NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC 599,652 10,314,000 0.49%
34 PRINCIPAL FINANCIAL GROUP INC 597,563 10,277,000 0.49%
35 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 587,816 10,110,000 0.48%
36 Sumitomo Mitsui Trust Group, Inc. 548,254 9,430,000 0.45%
37 AMERIPRISE FINANCIAL INC 511,299 8,796,000 0.42%
38 BANK OF AMERICA CORP /DE/ 495,970 8,531,000 0.41%
39 PRUDENTIAL FINANCIAL INC 460,462 7,919,000 0.38%
40 BLACKROCK ADVISORS LLC 455,422 7,833,000 0.38%
41 NEW YORK STATE COMMON RETIREMENT FUND 446,900 7,687,000 0.37%
42 AMERICAN INTERNATIONAL GROUP, INC. 410,963 7,069,000 0.34%
43 CONFLUENCE INVESTMENT MANAGEMENT LLC 396,161 6,814,000 0.33%
44 AXA S.A. 394,976 6,794,000 0.33%
45 M&T BANK CORP 375,608 6,461,000 0.31%
46 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 366,575 6,305,000 0.30%
47 Mitsubishi UFJ Trust & Banking Corp 359,269 6,179,000 0.30%
48 ArrowMark Colorado Holdings LLC 353,198 6,075,000 0.29%
49 RUSSELL FRANK CO/ 344,913 5,932,000 0.28%
50 Nationwide Fund Advisors 334,067 5,746,000 0.28%
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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.