Robeco Institutional Asset Management B.V.

Position in MDU — Mdu Resources Group Inc

CIK 1418773 ROTTERDAM, P7

Position in MDU

as of Jun 30, 2026 · filed Jul 21, 2026 Compact

Position Value

$519,432

+$1,391 QoQ

Shares Held

24,490

-2.0% QoQ

Ownership

0.012%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#219

of 437 holders

Holding Since

Mar 2020

20 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Utilities · as of Jun 30, 2026

Robeco Institutional Asset Management B.V. holds $44,885,390 across 3 Utilities - Regulated Gas names. MDU ranks #3 (1.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	NI	Nisource Inc.	613,210	$29,158,135
2	ATO	Atmos Energy Corp	88,279	$15,207,823
3	MDU	Mdu Resources Group Inc This page	24,490	$519,432

20 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$519,432	24,490	-2.0%	Shares	Defined	2026-07-21
2026-03-31	$518,041	25,002	0.0%	Shares	Defined	2026-04-21
2025-12-31	$488,039	25,002	-64.0%	Shares	Defined	2026-01-23
2025-09-30	$1,236,833	69,446	0.0%	Shares	Defined	2025-10-22
2025-06-30	$1,157,664	69,446	0.0%	Shares	Defined	2025-07-18
2025-03-31	$1,174,331	69,446	+16.5%	Shares	Defined	2025-04-23
2024-12-31	$1,073,992	59,600	0.0%	Shares	Defined	2025-01-23
2024-09-30	$1,633,636	59,600	0.0%	Shares	Defined	2024-10-29
2024-06-30	$1,495,958	59,600	-23.3%	Shares	Defined	2024-07-23
2024-03-31	$1,957,936	77,696	-16.2%	Shares	Defined	2024-04-24
2023-12-31	$1,835,395	92,697	+0.3%	Shares	Defined	2024-02-14
2023-09-30	$1,809,615	92,422	+5.5%	Shares	Defined	2023-10-24
2021-12-31	$2,701,634	87,602	-85.3%	Shares	Defined	2022-12-01
2021-09-30	$17,660,444	595,227	+17.0%	Shares	Defined	2022-12-01
2021-06-30	$15,942,414	508,691	+22.1%	Shares	Defined	2022-12-01
2021-03-31	$13,170,676	416,663	-9.3%	Shares	Defined	2022-12-01
2020-12-31	$12,100,828	459,411	-17.5%	Shares	Defined	2022-12-01
2020-09-30	$12,524,704	556,654	+9.9%	Shares	Defined	2021-01-19
2020-06-30	$11,233,909	506,490	+81.0%	Shares	Defined	2021-01-19
2020-03-31	$6,016,458	279,834	—	Shares	Defined	2021-01-19
No filing history on record for this holder in this stock.