BLACK HILLS CORP

Ticker: BKH CUSIP: 092113109 Class: COM

FIRST MANHATTAN CO. LLC.'s Holding History (CIK: 0000728083)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 42,752 Value ($000) $2,968 Avg Close $66.47 Range $58.20 - $73.32

Q3 2025

Shares 42,827 Value ($000) $2,638 Avg Close $57.38 Range $54.13 - $60.96

Q2 2025

Shares 43,415 Value ($000) $2,436 Avg Close $56.47 Range $52.67 - $59.65

Q1 2025

Shares 45,132 Value ($000) $2,737 Avg Close $56.47 Range $52.15 - $59.45

Q4 2024

Shares 45,982 Value ($000) $2,691 Avg Close $57.33 Range $53.67 - $62.19

Q3 2024

Shares 46,020 Value ($000) $2,813 Avg Close $54.39 Range $49.37 - $58.14

Q2 2024

Shares 46,020 Value ($000) $2,503 Avg Close $50.26 Range $46.53 - $53.93

Q1 2024

Shares 46,883 Value ($000) $2,560 Avg Close $47.73 Range $44.68 - $50.77

Q4 2023

Shares 48,663 Value ($000) $2,625 Avg Close $46.16 Range $41.54 - $51.76

Q3 2023

Shares 49,872 Value ($000) $2,523 Avg Close $50.50 Range $44.92 - $54.81

Q2 2023

Shares 44,172 Value ($000) $2,662 Avg Close $55.83 Range $52.26 - $58.57

Q1 2023

Shares 53,172 Value ($000) $3,355 Avg Close $57.47 Range $51.53 - $64.19

Q4 2022

Shares 59,097 Value ($000) $4,157 Avg Close $58.05 Range $50.78 - $62.96

Q3 2022

Shares 58,447 Value ($000) $3,958 Avg Close $64.21 Range $58.14 - $68.58

Q2 2022

Shares 65,758 Value ($000) $4,785 Avg Close $63.81 Range $56.66 - $68.52

Q1 2022

Shares 66,708 Value ($000) $5,137 Avg Close $58.63 Range $54.02 - $65.73

Q4 2021

Shares 72,508 Value ($000) $5,116 Avg Close $55.40 Range $51.95 - $59.51

Q3 2021

Shares 64,083 Value ($000) $4,021 Avg Close $56.46 Range $51.50 - $60.51

Q2 2021

Shares 64,083 Value ($000) $4,205 Avg Close $55.86 Range $53.24 - $58.36

Q1 2021

Shares 64,283 Value ($000) $4,292 Avg Close $50.63 Range $47.19 - $55.19

Q4 2020

Shares 73,263 Value ($000) $4,502 Avg Close $48.27 Range $42.45 - $52.98

Q3 2020

Shares 77,440 Value ($000) $4,142 Avg Close $45.64 Range $41.75 - $49.89

Q2 2020

Shares 77,573 Value ($000) $4,395 Avg Close $47.91 Range $41.68 - $55.82

Q1 2020

Shares 81,273 Value ($000) $5,203 Avg Close $59.44 Range $37.90 - $68.25

Q4 2019

Shares 83,492 Value ($000) $6,557 Avg Close $60.15 Range $57.52 - $62.11

Q3 2019

Shares 88,149 Value ($000) $6,763 Avg Close $60.34 Range $54.21 - $62.80

Q2 2019

Shares 92,110 Value ($000) $7,200 Avg Close $58.01 Range $54.08 - $63.38

Q1 2019

Shares 94,540 Value ($000) $7,002 Avg Close $52.65 Range $46.35 - $57.40

Q4 2018

Shares 95,240 Value ($000) $5,979 Avg Close $47.68 Range $43.15 - $52.00

Q3 2018

Shares 95,240 Value ($000) $5,532 Avg Close $45.23 Range $42.66 - $48.12

Q2 2018

Shares 96,240 Value ($000) $5,890 Avg Close $42.43 Range $39.15 - $46.25

Q1 2018

Shares 96,265 Value ($000) $5,227 Avg Close $39.62 Range $37.38 - $44.38

Q4 2017

Shares 99,035 Value ($000) $5,952 Avg Close $45.46 Range $41.87 - $51.03

Q3 2017

Shares 101,570 Value ($000) $6,995 Avg Close $50.60 Range $48.73 - $51.89

Q2 2017

Shares 101,570 Value ($000) $6,852 Avg Close $49.84 Range $47.18 - $52.32

Q1 2017

Shares 85,050 Value ($000) $5,653 Avg Close $45.51 Range $43.01 - $48.38

Q4 2016

Shares 87,230 Value ($000) $5,350 Avg Close $42.62 Range $38.96 - $45.02

Q3 2016

Shares 91,345 Value ($000) $5,592 Avg Close $43.19 Range $40.45 - $45.62

Q2 2016

Shares 94,935 Value ($000) $5,984 Avg Close $42.44 Range $39.39 - $44.88

Q1 2016

Shares 108,473 Value ($000) $6,522 Avg Close $37.32 Range $31.07 - $42.88

Q4 2015

Shares 108,228 Value ($000) $5,025 Avg Close $30.44 Range $27.84 - $33.06

Q3 2015

Shares 110,378 Value ($000) $4,563 Avg Close $28.18 Range $25.38 - $32.28

Q2 2015

Shares 82,027 Value ($000) $3,580 Avg Close $32.61 Range $29.70 - $35.86

Q1 2015

Shares 84,427 Value ($000) $4,258 Avg Close $34.02 Range $32.42 - $35.85

Q4 2014

Shares 84,627 Value ($000) $4,488 Avg Close $35.24 Range $31.42 - $38.13

Q3 2014

Shares 84,193 Value ($000) $4,031 Avg Close $35.67 Range $31.93 - $41.13

Q2 2014

Shares 85,193 Value ($000) $5,229 Avg Close $38.31 Range $36.56 - $40.65

Q1 2014

Shares 87,338 Value ($000) $5,035 Avg Close $36.15 Range $33.35 - $38.82

Q4 2013

Shares 88,678 Value ($000) $4,656 Avg Close $33.02 Range $30.45 - $35.53

Q3 2013

Shares 92,236 Value ($000) $4,598 Avg Close $32.70 Range $30.21 - $35.44

Q2 2013

Shares 92,986 Value ($000) $4,883 Avg Close $30.15 Range $27.57 - $32.51

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	42,752	$2,968	$66.47	$58.20 - $73.32
Q3 2025	42,827	$2,638	$57.38	$54.13 - $60.96
Q2 2025	43,415	$2,436	$56.47	$52.67 - $59.65
Q1 2025	45,132	$2,737	$56.47	$52.15 - $59.45
Q4 2024	45,982	$2,691	$57.33	$53.67 - $62.19
Q3 2024	46,020	$2,813	$54.39	$49.37 - $58.14
Q2 2024	46,020	$2,503	$50.26	$46.53 - $53.93
Q1 2024	46,883	$2,560	$47.73	$44.68 - $50.77
Q4 2023	48,663	$2,625	$46.16	$41.54 - $51.76
Q3 2023	49,872	$2,523	$50.50	$44.92 - $54.81
Q2 2023	44,172	$2,662	$55.83	$52.26 - $58.57
Q1 2023	53,172	$3,355	$57.47	$51.53 - $64.19
Q4 2022	59,097	$4,157	$58.05	$50.78 - $62.96
Q3 2022	58,447	$3,958	$64.21	$58.14 - $68.58
Q2 2022	65,758	$4,785	$63.81	$56.66 - $68.52
Q1 2022	66,708	$5,137	$58.63	$54.02 - $65.73
Q4 2021	72,508	$5,116	$55.40	$51.95 - $59.51
Q3 2021	64,083	$4,021	$56.46	$51.50 - $60.51
Q2 2021	64,083	$4,205	$55.86	$53.24 - $58.36
Q1 2021	64,283	$4,292	$50.63	$47.19 - $55.19
Q4 2020	73,263	$4,502	$48.27	$42.45 - $52.98
Q3 2020	77,440	$4,142	$45.64	$41.75 - $49.89
Q2 2020	77,573	$4,395	$47.91	$41.68 - $55.82
Q1 2020	81,273	$5,203	$59.44	$37.90 - $68.25
Q4 2019	83,492	$6,557	$60.15	$57.52 - $62.11
Q3 2019	88,149	$6,763	$60.34	$54.21 - $62.80
Q2 2019	92,110	$7,200	$58.01	$54.08 - $63.38
Q1 2019	94,540	$7,002	$52.65	$46.35 - $57.40
Q4 2018	95,240	$5,979	$47.68	$43.15 - $52.00
Q3 2018	95,240	$5,532	$45.23	$42.66 - $48.12
Q2 2018	96,240	$5,890	$42.43	$39.15 - $46.25
Q1 2018	96,265	$5,227	$39.62	$37.38 - $44.38
Q4 2017	99,035	$5,952	$45.46	$41.87 - $51.03
Q3 2017	101,570	$6,995	$50.60	$48.73 - $51.89
Q2 2017	101,570	$6,852	$49.84	$47.18 - $52.32
Q1 2017	85,050	$5,653	$45.51	$43.01 - $48.38
Q4 2016	87,230	$5,350	$42.62	$38.96 - $45.02
Q3 2016	91,345	$5,592	$43.19	$40.45 - $45.62
Q2 2016	94,935	$5,984	$42.44	$39.39 - $44.88
Q1 2016	108,473	$6,522	$37.32	$31.07 - $42.88
Q4 2015	108,228	$5,025	$30.44	$27.84 - $33.06
Q3 2015	110,378	$4,563	$28.18	$25.38 - $32.28
Q2 2015	82,027	$3,580	$32.61	$29.70 - $35.86
Q1 2015	84,427	$4,258	$34.02	$32.42 - $35.85
Q4 2014	84,627	$4,488	$35.24	$31.42 - $38.13
Q3 2014	84,193	$4,031	$35.67	$31.93 - $41.13
Q2 2014	85,193	$5,229	$38.31	$36.56 - $40.65
Q1 2014	87,338	$5,035	$36.15	$33.35 - $38.82
Q4 2013	88,678	$4,656	$33.02	$30.45 - $35.53
Q3 2013	92,236	$4,598	$32.70	$30.21 - $35.44
Q2 2013	92,986	$4,883	$30.15	$27.57 - $32.51