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

Institutional Holders (2014Q1)
Portfolio Summary: 357 Institutional holders with a total value of $3,812,855,914.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 12,526,894 429,799,000 11.27%
2 STATE STREET CORP 9,953,416 341,506,000 8.96%
3 PRICE T ROWE ASSOCIATES INC /MD/ 7,135,121 244,806,000 6.42%
4 PARNASSUS INVESTMENTS, LLC 6,264,224 214,926,000 5.64%
5 BlackRock Institutional Trust Company, N.A. 5,722,853 196,351,000 5.15%
6 BlackRock Fund Advisors 4,864,394 166,897,000 4.38%
7 SPRUCEGROVE INVESTMENT MANAGEMENT LTD 4,266,050 146,368,000 3.84%
8 FRANKLIN RESOURCES INC 3,004,650 103,090,000 2.70%
9 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 2,259,963 77,540,000 2.03%
10 RIVERBRIDGE PARTNERS LLC 2,216,796 76,058,000 1.99%
11 US BANCORP \DE\ 2,173,482 74,572,000 1.96%
12 Bank of New York Mellon Corp 2,102,593 72,141,000 1.89%
13 ADAGE CAPITAL PARTNERS GP, L.L.C. 2,100,000 72,051,000 1.89%
14 NORTHERN TRUST CORP 1,871,207 64,201,000 1.68%
15 CRAMER ROSENTHAL MCGLYNN LLC 1,818,920 62,407,000 1.64%
16 MAIRS & POWER INC 1,595,251 54,733,000 1.44%
17 HERMES INVESTMENT MANAGEMENT LTD 1,528,201 52,433,000 1.38%
18 NORGES BANK 1,415,079 48,551,000 1.27%
19 GUGGENHEIM CAPITAL LLC 1,334,531 45,788,000 1.20%
20 PRINCIPAL FINANCIAL GROUP INC 1,300,351 44,614,000 1.17%
21 VIKING FUND MANAGEMENT LLC 1,060,000 36,369,000 0.95%
22 BlackRock Group LTD 986,757 33,856,000 0.89%
23 GEODE CAPITAL MANAGEMENT, LLC 983,979 33,755,000 0.89%
24 FMR LLC 959,098 32,906,000 0.86%
25 TIAA CREF INVESTMENT MANAGEMENT LLC 866,498 29,730,000 0.78%
26 BlackRock Investment Management, LLC 795,415 27,291,000 0.72%
27 Legal & General Group Plc 794,909 27,273,000 0.72%
28 MORGAN STANLEY 756,511 25,957,000 0.68%
29 WELLS FARGO & COMPANY/MN 733,445 25,165,000 0.66%
30 PGGM Investments 688,901 23,636,000 0.62%
31 BLACKROCK ADVISORS LLC 645,779 22,157,000 0.58%
32 HENNESSY ADVISORS INC 604,107 20,727,000 0.54%
33 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 584,516 20,259,000 0.53%
34 IRONBRIDGE CAPITAL MANAGEMENT LP 579,443 19,881,000 0.52%
35 NEW YORK STATE COMMON RETIREMENT FUND 537,125 18,429,000 0.48%
36 PNC FINANCIAL SERVICES GROUP, INC. 522,833 17,938,000 0.47%
37 Sumitomo Mitsui Trust Group, Inc. 509,609 17,485,000 0.46%
38 RENAISSANCE TECHNOLOGIES LLC 482,788 16,564,000 0.43%
39 AMERIPRISE FINANCIAL INC 474,513 16,282,000 0.43%
40 MILLER HOWARD INVESTMENTS INC /NY 458,234 15,722,000 0.41%
41 KING LUTHER CAPITAL MANAGEMENT CORP 445,266 15,277,000 0.40%
42 KENNEDY CAPITAL MANAGEMENT LLC 437,759 15,020,000 0.39%
43 GOLDMAN SACHS GROUP INC 420,427 14,425,000 0.38%
44 DEUTSCHE BANK AG\ 414,181 14,208,000 0.37%
45 FERGUSON WELLMAN CAPITAL MANAGEMENT, INC 407,271 13,973,000 0.37%
46 AMERICAN INTERNATIONAL GROUP, INC. 398,436 13,670,352 0.36%
47 WILMINGTON TRUST CO 379,590 13,024,000 0.34%
48 JPMORGAN CHASE & CO 361,816 12,414,000 0.33%
49 MACQUARIE GROUP LTD 360,940 12,384,000 0.32%
50 Mitsubishi UFJ Trust & Banking Corp 359,077 12,320,000 0.32%
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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.