Mdu Resources Group Inc

Robeco Institutional Asset Management B.V. MDU

Report date

12/31/2025

Quarter

2025 Q4

Filed

1/23/2026

Shares

25,002

Value ($000)

488

Weight

0.0%

2013 Q4 - 2025 Q4 (31 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2025 Q4	1/23/2026	488	0.0%	25,002	12/31/2025
2025 Q3	10/22/2025	1,237	0.0%	69,446	9/30/2025
2025 Q2	7/18/2025	1,158	0.0%	69,446	6/30/2025
2025 Q1	4/23/2025	1,174	0.0%	69,446	3/31/2025
2024 Q4	1/23/2025	1,074	0.0%	59,600	12/31/2024
2024 Q3	10/29/2024	1,634	0.0%	59,600	9/30/2024
2024 Q2	7/23/2024	1,496	0.0%	59,600	6/30/2024
2024 Q1	4/24/2024	1,958	0.0%	77,696	3/31/2024
2023 Q4	2/14/2024	1,835	0.0%	92,697	12/31/2023
2023 Q3	10/24/2023	1,810	0.0%	92,422	9/30/2023
2021 Q4	12/1/2022	2,702	0.0%	87,602	12/31/2021
2021 Q3	12/1/2022	17,659	0.0%	595,227	9/30/2021
2021 Q2	12/1/2022	15,943	0.0%	508,691	6/30/2021
2021 Q1	12/1/2022	13,170	0.0%	416,663	3/31/2021
2020 Q4	12/1/2022	12,102	0.0%	459,411	12/31/2020
2020 Q3	1/19/2021	12,524	0.0%	556,654	9/30/2020
2020 Q2	1/19/2021	11,232	0.0%	506,490	6/30/2020
2020 Q1	1/19/2021	6,016	0.0%	279,834	3/31/2020
2019 Q4	1/19/2021	557	0.0%	18,789	12/31/2019
2019 Q3	1/19/2021	124	0.0%	4,391	9/30/2019
2019 Q2	1/19/2021	113	0.0%	4,391	6/30/2019
2019 Q1	1/19/2021	113	0.0%	4,391	3/31/2019
2018 Q4	1/19/2021	105	0.0%	4,391	12/31/2018
2018 Q3	1/19/2021	113	0.0%	4,391	9/30/2018
2018 Q2	1/19/2021	126	0.0%	4,391	6/30/2018
2018 Q1	1/19/2021	124	0.0%	4,391	3/31/2018
2017 Q4	1/19/2021	118	0.0%	4,391	12/31/2017
2017 Q2	1/19/2021	7,520	0.0%	287,018	6/30/2017
2017 Q1	1/19/2021	7,999	0.1%	292,271	3/31/2017
2014 Q1	5/7/2014	241	0.0%	7,027	3/31/2014
2013 Q4	2/4/2014	215	0.0%	7,027	12/31/2013