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

Institutional Holders (2016Q4)
Portfolio Summary: 339 Institutional holders with a total value of $3,640,048,406.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 19,522,877 561,673,000 15.43%
2 PARNASSUS INVESTMENTS, LLC 13,875,527 399,199,000 10.97%
3 STATE STREET CORP 13,420,759 386,121,000 10.61%
4 BlackRock Fund Advisors 7,582,359 218,144,000 5.99%
5 BlackRock Institutional Trust Company, N.A. 5,871,534 168,924,000 4.64%
6 Bank of New York Mellon Corp 3,539,537 101,832,000 2.80%
7 PRINCIPAL FINANCIAL GROUP INC 2,685,316 77,257,000 2.12%
8 US BANCORP \DE\ 2,084,659 59,975,000 1.65%
9 JPMORGAN CHASE & CO 2,038,908 58,660,000 1.61%
10 HENNESSY ADVISORS INC 1,981,507 57,008,000 1.57%
11 GOLDMAN SACHS GROUP INC 1,842,373 53,005,000 1.46%
12 NORGES BANK 1,818,722 52,324,000 1.44%
13 Invesco Ltd. 1,780,480 51,224,000 1.41%
14 FRONTIER CAPITAL MANAGEMENT CO LLC 1,749,208 50,325,000 1.38%
15 HERMES INVESTMENT MANAGEMENT LTD 1,630,046 46,896,000 1.29%
16 NORTHERN TRUST CORP 1,612,412 46,390,000 1.27%
17 PRUDENTIAL FINANCIAL INC 1,564,331 45,006,000 1.24%
18 GEODE CAPITAL MANAGEMENT, LLC 1,549,120 44,568,000 1.22%
19 OLD REPUBLIC INTERNATIONAL CORP 1,300,000 37,401,000 1.03%
20 PGGM Investments 1,295,024 37,258,000 1.02%
21 SPRUCEGROVE INVESTMENT MANAGEMENT LTD 1,108,600 31,894,000 0.88%
22 FIRST TRUST ADVISORS LP 1,052,678 30,286,000 0.83%
23 Copper Rock Capital Partners, LLC 864,302 24,866,000 0.68%
24 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 838,236 24,117,000 0.66%
25 Legal & General Group Plc 826,539 23,783,000 0.65%
26 HEARTLAND ADVISORS INC 812,053 23,363,000 0.64%
27 BlackRock Investment Management, LLC 808,984 23,274,000 0.64%
28 DIMENSIONAL FUND ADVISORS LP 802,319 23,085,000 0.63%
29 DEUTSCHE BANK AG\ 750,570 21,592,000 0.59%
30 STRS OHIO 746,000 21,462,000 0.59%
31 Allianz Asset Management GmbH 719,842 20,709,000 0.57%
32 TIAA CREF INVESTMENT MANAGEMENT LLC 710,203 20,433,000 0.56%
33 BlackRock Group LTD 708,368 20,380,000 0.56%
34 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 596,116 17,150,000 0.47%
35 PARAMETRIC PORTFOLIO ASSOCIATES LLC 591,465 17,016,000 0.47%
36 Numeric Investors LLC 585,919 16,857,000 0.46%
37 WELLS FARGO & COMPANY/MN 582,846 16,769,000 0.46%
38 THRIVENT FINANCIAL FOR LUTHERANS 558,850 16,079,000 0.44%
39 MORGAN STANLEY 557,893 16,051,000 0.44%
40 BLACKROCK ADVISORS LLC 542,018 15,594,000 0.43%
41 AMERIPRISE FINANCIAL INC 519,090 14,934,000 0.41%
42 BANK OF AMERICA CORP /DE/ 507,551 14,603,000 0.40%
43 WBI INVESTMENTS, LLC 491,951 14,153,000 0.39%
44 CONFLUENCE INVESTMENT MANAGEMENT LLC 486,220 13,989,000 0.38%
45 MAIRS & POWER INC 480,012 13,810,000 0.38%
46 RAINIER INVESTMENT MANAGEMENT LLC 474,790 13,660,000 0.38%
47 VIKING FUND MANAGEMENT LLC 462,000 13,291,000 0.37%
48 NEW YORK STATE COMMON RETIREMENT FUND 444,194 12,779,000 0.35%
49 BlackRock Finance, Inc. 420,999 12,113,000 0.33%
50 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 415,047 11,941,000 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.