MDU Resources Group, Inc.
MX ˙ BMV ˙ US5526901096
SecurityMX:MDU / MDU Resources Group, Inc.
InstitutionAdvisory Services Network, LLC
Latest Disclosed Ownership30,956 shares
Latest Disclosed Value $ 641,408
Advisory Services Network, LLC ownership in MDU / MDU Resources Group, Inc.

On May 15, 2026 - Advisory Services Network, LLC filed a 13F-HR form disclosing ownership of 30,956 shares of MDU Resources Group, Inc. (MX:MDU) valued at $641,408 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 0 shares of MDU Resources Group, Inc..

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F MDU RESOURCES GROUP Stock 552690109 30,956 30,956 641 0.0059
2026-02-17 2025-12-31 13F MDU RES GROUP Stock 552690109 0 -7,957 -100.00 0 -100.00
2025-11-18 2025-09-30 13F MDU RES GROUP Stock 552690109 7,957 7,957 142 0.0021
2024-05-06 2024-03-31 13F MDU RES GROUP Stock 552690109 0 -5,240 -100.00 0 -100.00
2024-02-09 2023-12-31 13F MDU RES GROUP Stock 552690109 5,240 5,240 104 0.0025
2023-08-09 2023-06-30 13F MDU RES GROUP Stock 552690109 0 -3,462 -100.00 0 -100.00
2023-05-17 2023-03-31 13F MDU RES GROUP Stock 552690109 3,462 0 0.00 106 0.00 0.0029
2023-02-13 2022-12-31 13F MDU RES GROUP Stock 552690109 3,462 3,462 105 0.0032
2021-11-05 2021-09-30 13F MDU RES GROUP Stock 552690109 0 -2,747 -100.00 0 -100.00
2021-08-12 2021-06-30 13F MDU RES GROUP Stock 552690109 2,747 2,747 86 0.0027
2021-05-24 2021-03-31 13F MDU RES GROUP Stock 552690109 0 -1,292 -100.00 0 -100.00
2021-02-09 2020-12-31 13F MDU RES GROUP Stock 552690109 1,292 -940 -42.11 34 -32.00 0.0014
2020-11-16 2020-09-30 13F MDU RES GROUP Stock 552690109 2,232 2,232 72.76 50 47.06 0.0024
2020-08-10 2020-06-30 13F MDU RES GROUP Stock 552690109 0 -1,405 -100.00 0 -100.00
2020-05-15 2020-03-31 13F MDU RES GROUP Stock 552690109 1,405 -587 -29.47 31 -47.46 0.0020
2020-02-04 2019-12-31 13F MDU RES GROUP Stock 552690109 1,992 413 26.16 59 47.50 0.0031
2019-11-04 2019-09-30 13F MDU RES GROUP Stock 552690109 1,579 0 0.00 40 0.00 0.0025
2019-08-01 2019-06-30 13F MDU RES GROUP Stock 552690109 1,579 0 0.00 40 0.00 0.0025
2019-05-20 2019-03-31 13F MDU RES GROUP Stock 552690109 1,579 -25,054 -94.07 40 -93.70 0.0028
2019-02-15 2018-12-31 13F MDU RES GROUP Stock 552690109 26,633 684 2.64 635 -4.80 0.0554
2018-11-02 2018-09-30 13F MDU RES GROUP Stock 552690109 25,949 746 2.96 667 -8.00 0.0487
2018-07-27 2018-06-30 13F MDU RES GROUP Stock 552690109 25,203 568 2.31 725 4.47 0.0552
2018-04-23 2018-03-31 13F MDU RES GROUP Stock 552690109 24,635 2,803 12.84 694 18.23 0.0554
2018-02-08 2017-12-31 13F MDU RES GROUP Stock 552690109 21,832 21,832 -11.38 587 -15.42 0.0512
2016-04-21 2016-03-31 13F MDU RES GROUP INC COM Stock 552690109 0 0 0 0.0000
2015-10-01 2015-09-30 13F MDU RES GROUP INC COM Stock 552690109 0 -2,025 -100.00 0 -100.00
2015-07-02 2015-06-30 13F MDU RES GROUP INC COM Stock 552690109 2,025 0 0.00 39 -13.33 0.0115
2015-04-08 2015-03-31 13F MDU RES GROUP INC COM Stock 552690109 2,025 0 0.00 45 -6.25 0.0124
2015-01-23 2014-12-31 13F M D U RES GROUP Stock 552690109 2,025 2,025 48 0.0150
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.