ADAGE CAPITAL PARTNERS GP, L.L.C.

Position in BKH — Black Hills Corp /Sd/

CIK 1165408 Boston, MA

Position in BKH

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$88,165,785

-$55,500,907 QoQ

Shares Held

1,185,024

-42.7% QoQ

Ownership

1.55%

of shares outstanding

% of Portfolio

0.12%

of 13F equity value

Holder Rank

#18

of 473 holders

Holding Since

Dec 2020

13 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 $380,530,664 across 7 Utilities - Regulated Gas names. BKH ranks #2 (23.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SWX	Southwest Gas Holdings, Inc.	1,354,517	$120,118,567
2	BKH	Black Hills Corp /Sd/ This page	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
7	OPAL	OPAL Fuels Inc.	115,000	$253,000

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$88,165,785	1,185,024	-42.7%	Shares	Sole	2026-08-14
2026-03-31	$143,666,692	2,069,827	+30.0%	Shares	Sole	2026-05-15
2025-12-31	$110,516,640	1,592,000	+176.9%	Shares	Sole	2026-02-17
2025-09-30	$35,414,250	575,000	+475.0%	Shares	Sole	2025-11-14
2025-06-30	$5,610,000	100,000	-71.2%	Shares	Sole	2025-08-14
2022-09-30	$23,536,175	347,500	+3.7%	Shares	Sole	2022-11-14
2022-06-30	$24,377,950	335,000	-37.4%	Shares	Sole	2022-08-15
2022-03-31	$41,205,700	535,000	+161.0%	Shares	Sole	2022-05-16
2021-12-31	$14,466,850	205,000	+41.4%	Shares	Sole	2022-02-14
2021-09-30	$9,100,200	145,000	+20.8%	Shares	Sole	2021-11-15
2021-06-30	$7,875,600	120,000	-31.4%	Shares	Sole	2021-08-16
2021-03-31	$11,671,462	174,801	+133.7%	Shares	Sole	2021-05-17
2020-12-31	$4,596,521	74,801	—	Shares	Sole	2021-02-16
No filing history on record for this holder in this stock.