ADAGE CAPITAL PARTNERS GP, L.L.C.

Position in MDU — Mdu Resources Group Inc

CIK 1165408 Boston, MA

Position in MDU

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$10,360,000

-$13,064,000 QoQ

Shares Held

500,000

-58.3% QoQ

Ownership

0.238%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2020

14 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Utilities · as of Jun 30, 2026

ADAGE CAPITAL PARTNERS GP, L.L.C. holds $380,277,664 across 6 Utilities - Regulated Gas names.

#	Ticker	Company	Shares	Value (USD)
1	SWX	Southwest Gas Holdings, Inc.	1,354,517	$120,118,567
2	BKH	Black Hills Corp /Sd/	1,185,024	$88,165,785
3	SR	Spire Inc	1,076,440	$84,059,199
4	NI	Nisource Inc.	877,262	$41,713,808
5	ATO	Atmos Energy Corp	148,804	$25,634,465
6	UGI	Ugi Corp /Pa/	596,000	$20,585,840

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$10,360,000	500,000	-58.3%	Shares	Sole	2026-05-15
2025-12-31	$23,424,000	1,200,000	+20.0%	Shares	Sole	2026-02-17
2025-09-30	$17,810,000	1,000,000	-54.5%	Shares	Sole	2025-11-14
2025-06-30	$36,674,000	2,200,000	+42.0%	Shares	Sole	2025-08-14
2025-03-31	$26,191,290	1,548,864	+195.0%	Shares	Sole	2025-05-15
2024-12-31	$9,460,500	525,000	+162.5%	Shares	Sole	2025-02-14
2024-09-30	$5,482,001	200,000	-71.4%	Shares	Sole	2024-11-14
2024-03-31	$17,639,976	700,000	-22.2%	Shares	Sole	2024-05-15
2023-12-31	$17,819,952	900,000	-14.3%	Shares	Sole	2024-02-14
2023-06-30	$21,986,984	1,050,000	0.0%	Shares	Other	2023-08-14
2023-03-31	$32,004,109	1,050,000	+50.0%	Shares	Sole	2023-05-15
2021-12-31	$21,587,910	700,000	+16.7%	Shares	Sole	2022-02-14
2021-03-31	$18,965,941	600,000	-7.7%	Shares	Sole	2021-05-17
2020-06-30	$14,416,950	650,000	—	Shares	Sole	2020-08-14
No filing history on record for this holder in this stock.