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

Institutional Holders (2017Q1)
Portfolio Summary: 263 Institutional holders with a total value of $3,553,798,829.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 22,988,073 629,183,000 17.70%
2 BlackRock Finance, Inc. 16,186,762 443,033,000 12.47%
3 PARNASSUS INVESTMENTS, LLC 14,628,855 388,561,000 10.93%
4 STATE STREET CORP 12,059,598 330,072,000 9.29%
5 SPRUCEGROVE INVESTMENT MANAGEMENT LTD 840,800 230,127,000 6.48%
6 Bank of New York Mellon Corp 4,564,740 124,937,000 3.52%
7 US BANCORP \DE\ 2,078,490 56,888,000 1.60%
8 NORGES BANK 1,888,622 51,691,000 1.45%
9 Invesco Ltd. 1,881,315 51,491,000 1.45%
10 HENNESSY ADVISORS INC 1,851,207 50,668,000 1.43%
11 FRONTIER CAPITAL MANAGEMENT CO LLC 1,798,118 49,214,000 1.38%
12 GEODE CAPITAL MANAGEMENT, LLC 1,747,572 47,830,000 1.35%
13 NORTHERN TRUST CORP 1,660,475 45,448,000 1.28%
14 HERMES INVESTMENT MANAGEMENT LTD 1,653,837 45,266,000 1.27%
15 PRUDENTIAL FINANCIAL INC 1,546,521 42,329,000 1.19%
16 OLD REPUBLIC INTERNATIONAL CORP 1,300,000 35,581,000 1.00%
17 PGGM Investments 1,217,099 33,312,000 0.94%
18 GOLDMAN SACHS GROUP INC 982,129 26,881,000 0.76%
19 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 898,434 24,591,000 0.69%
20 DIMENSIONAL FUND ADVISORS LP 898,229 24,583,000 0.69%
21 Legal & General Group Plc 874,724 23,941,000 0.67%
22 PRINCIPAL FINANCIAL GROUP INC 800,643 21,913,000 0.62%
23 STRS OHIO 784,000 21,458,000 0.60%
24 HEARTLAND ADVISORS INC 774,590 21,201,000 0.60%
25 FIRST TRUST ADVISORS LP 746,679 20,437,000 0.58%
26 CITADEL ADVISORS LLC 711,589 19,476,000 0.55%
27 MILLENNIUM MANAGEMENT LLC 711,105 19,463,000 0.55%
28 WELLS FARGO & COMPANY/MN 684,911 18,746,000 0.53%
29 DEUTSCHE BANK AG\ 653,909 17,895,000 0.50%
30 PARAMETRIC PORTFOLIO ASSOCIATES LLC 627,930 17,186,000 0.48%
31 TIAA CREF INVESTMENT MANAGEMENT LLC 619,605 16,959,000 0.48%
32 Allianz Asset Management GmbH 607,960 16,639,000 0.47%
33 BALYASNY ASSET MANAGEMENT L.P. 603,313 16,513,000 0.46%
34 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 593,416 16,242,000 0.46%
35 MORGAN STANLEY 592,793 16,225,000 0.46%
36 JPMORGAN CHASE & CO 584,915 16,009,000 0.45%
37 AMERIPRISE FINANCIAL INC 550,238 14,863,000 0.42%
38 THRIVENT FINANCIAL FOR LUTHERANS 520,890 14,259,000 0.40%
39 CONFLUENCE INVESTMENT MANAGEMENT LLC 514,260 14,075,000 0.40%
40 NEW YORK STATE COMMON RETIREMENT FUND 444,195 12,158,000 0.34%
41 MAIRS & POWER INC 440,162 12,047,000 0.34%
42 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 399,825 10,943,000 0.31%
43 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 397,547 10,880,000 0.31%
44 AMERICAN INTERNATIONAL GROUP, INC. 390,430 10,686,000 0.30%
45 JANUS HENDERSON INVESTORS US LLC 388,100 10,622,000 0.30%
46 M&T BANK CORP 378,128 10,350,000 0.29%
47 RHUMBLINE ADVISERS 360,558 9,868,000 0.28%
48 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 346,981 9,497,000 0.27%
49 BANK OF AMERICA CORP /DE/ 343,959 9,414,000 0.26%
50 Jupiter Investment Management Ltd 343,201 9,393,000 0.26%
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.