BLACK HILLS CORP

Ticker: BKH CUSIP: 092113109 Class: COM

STRS OHIO's Holding History (CIK: 0000820478)

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

Q4 2025

Shares 7,800 Value ($000) $541 Avg Close $66.47 Range $58.20 - $73.32

Q3 2025

Shares 7,800 Value ($000) $480 Avg Close $57.38 Range $54.13 - $60.96

Q2 2025

Shares 6,200 Value ($000) $348 Avg Close $56.47 Range $52.67 - $59.65

Q1 2025

Shares 5,800 Value ($000) $352 Avg Close $56.47 Range $52.15 - $59.45

Q4 2024

Shares 4,700 Value ($000) $275 Avg Close $57.33 Range $53.67 - $62.19

Q3 2024

Shares 4,700 Value ($000) $287 Avg Close $54.39 Range $49.37 - $58.14

Q2 2024

Shares 4,300 Value ($000) $234 Avg Close $50.26 Range $46.53 - $53.93

Q1 2024

Shares 3,600 Value ($000) $0 Avg Close $47.73 Range $44.68 - $50.77

Q4 2023

Shares 4,900 Value ($000) $0 Avg Close $46.16 Range $41.54 - $51.76

Q3 2023

Shares 5,100 Value ($000) $0 Avg Close $50.50 Range $44.92 - $54.81

Q2 2023

Shares 5,800 Value ($000) $0 Avg Close $55.83 Range $52.26 - $58.57

Q1 2023

Shares 5,800 Value ($000) $0 Avg Close $57.47 Range $51.53 - $64.19

Q4 2022

Shares 6,700 Value ($000) $0 Avg Close $58.05 Range $50.78 - $62.96

Q3 2022

Shares 7,900 Value ($000) $535 Avg Close $64.21 Range $58.14 - $68.58

Q2 2022

Shares 7,500 Value ($000) $545 Avg Close $63.81 Range $56.66 - $68.52

Q1 2022

Shares 6,700 Value ($000) $516 Avg Close $58.63 Range $54.02 - $65.73

Q4 2021

Shares 5,200 Value ($000) $366 Avg Close $55.40 Range $51.95 - $59.51

Q3 2021

Shares 4,500 Value ($000) $282 Avg Close $56.46 Range $51.50 - $60.51

Q2 2021

Shares 4,500 Value ($000) $295 Avg Close $55.86 Range $53.24 - $58.36

Q1 2021

Shares 4,500 Value ($000) $300 Avg Close $50.63 Range $47.19 - $55.19

Q4 2020

Shares 5,400 Value ($000) $331 Avg Close $48.27 Range $42.45 - $52.98

Q3 2020

Shares 7,000 Value ($000) $374 Avg Close $45.64 Range $41.75 - $49.89

Q2 2020

Shares 8,000 Value ($000) $453 Avg Close $47.91 Range $41.68 - $55.82

Q1 2020

Shares 103,900 Value ($000) $6,652 Avg Close $59.44 Range $37.90 - $68.25

Q4 2019

Shares 9,000 Value ($000) $706 Avg Close $60.15 Range $57.52 - $62.11

Q3 2019

Shares 9,800 Value ($000) $751 Avg Close $60.34 Range $54.21 - $62.80

Q2 2019

Shares 9,800 Value ($000) $766 Avg Close $58.01 Range $54.08 - $63.38

Q1 2019

Shares 6,900 Value ($000) $511 Avg Close $52.65 Range $46.35 - $57.40

Q4 2018

Shares 6,900 Value ($000) $433 Avg Close $47.68 Range $43.15 - $52.00

Q3 2018

Shares 320,700 Value ($000) $18,629 Avg Close $45.23 Range $42.66 - $48.12

Q2 2018

Shares 340,600 Value ($000) $20,848 Avg Close $42.43 Range $39.15 - $46.25

Q1 2018

Shares 379,200 Value ($000) $20,590 Avg Close $39.62 Range $37.38 - $44.38

Q4 2017

Shares 452,400 Value ($000) $27,193 Avg Close $45.46 Range $41.87 - $51.03

Q3 2017

Shares 305,300 Value ($000) $21,026 Avg Close $50.60 Range $48.73 - $51.89

Q2 2017

Shares 275,800 Value ($000) $18,608 Avg Close $49.84 Range $47.18 - $52.32

Q1 2017

Shares 340,900 Value ($000) $22,659 Avg Close $45.51 Range $43.01 - $48.38

Q4 2016

Shares 282,200 Value ($000) $17,310 Avg Close $42.62 Range $38.96 - $45.02

Q3 2016

Shares 266,700 Value ($000) $16,327 Avg Close $43.19 Range $40.45 - $45.62

Q2 2016

Shares 8,500 Value ($000) $535 Avg Close $42.44 Range $39.39 - $44.88

Q1 2016

Shares 8,000 Value ($000) $481 Avg Close $37.32 Range $31.07 - $42.88

Q4 2015

Shares 3,600 Value ($000) $167 Avg Close $30.44 Range $27.84 - $33.06

Q3 2015

Shares 700 Value ($000) $28 Avg Close $28.18 Range $25.38 - $32.28

Q2 2015

Shares 3,000 Value ($000) $130 Avg Close $32.61 Range $29.70 - $35.86

Q1 2015

Shares 3,000 Value ($000) $151 Avg Close $34.02 Range $32.42 - $35.85

Q4 2014

Shares 4,100 Value ($000) $217 Avg Close $35.24 Range $31.42 - $38.13

Q3 2014

Shares 3,700 Value ($000) $177 Avg Close $35.67 Range $31.93 - $41.13

Q2 2014

Shares 5,400 Value ($000) $332 Avg Close $38.31 Range $36.56 - $40.65

Q1 2014

Shares 26,486 Value ($000) $1,527 Avg Close $36.15 Range $33.35 - $38.82

Q4 2013

Shares 29,100 Value ($000) $1,528 Avg Close $33.02 Range $30.45 - $35.53

Q3 2013

Shares 34,200 Value ($000) $1,705 Avg Close $32.70 Range $30.21 - $35.44

Q2 2013

Shares 34,800 Value ($000) $1,696 Avg Close $30.15 Range $27.57 - $32.51

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	7,800	$541	$66.47	$58.20 - $73.32
Q3 2025	7,800	$480	$57.38	$54.13 - $60.96
Q2 2025	6,200	$348	$56.47	$52.67 - $59.65
Q1 2025	5,800	$352	$56.47	$52.15 - $59.45
Q4 2024	4,700	$275	$57.33	$53.67 - $62.19
Q3 2024	4,700	$287	$54.39	$49.37 - $58.14
Q2 2024	4,300	$234	$50.26	$46.53 - $53.93
Q1 2024	3,600	$0	$47.73	$44.68 - $50.77
Q4 2023	4,900	$0	$46.16	$41.54 - $51.76
Q3 2023	5,100	$0	$50.50	$44.92 - $54.81
Q2 2023	5,800	$0	$55.83	$52.26 - $58.57
Q1 2023	5,800	$0	$57.47	$51.53 - $64.19
Q4 2022	6,700	$0	$58.05	$50.78 - $62.96
Q3 2022	7,900	$535	$64.21	$58.14 - $68.58
Q2 2022	7,500	$545	$63.81	$56.66 - $68.52
Q1 2022	6,700	$516	$58.63	$54.02 - $65.73
Q4 2021	5,200	$366	$55.40	$51.95 - $59.51
Q3 2021	4,500	$282	$56.46	$51.50 - $60.51
Q2 2021	4,500	$295	$55.86	$53.24 - $58.36
Q1 2021	4,500	$300	$50.63	$47.19 - $55.19
Q4 2020	5,400	$331	$48.27	$42.45 - $52.98
Q3 2020	7,000	$374	$45.64	$41.75 - $49.89
Q2 2020	8,000	$453	$47.91	$41.68 - $55.82
Q1 2020	103,900	$6,652	$59.44	$37.90 - $68.25
Q4 2019	9,000	$706	$60.15	$57.52 - $62.11
Q3 2019	9,800	$751	$60.34	$54.21 - $62.80
Q2 2019	9,800	$766	$58.01	$54.08 - $63.38
Q1 2019	6,900	$511	$52.65	$46.35 - $57.40
Q4 2018	6,900	$433	$47.68	$43.15 - $52.00
Q3 2018	320,700	$18,629	$45.23	$42.66 - $48.12
Q2 2018	340,600	$20,848	$42.43	$39.15 - $46.25
Q1 2018	379,200	$20,590	$39.62	$37.38 - $44.38
Q4 2017	452,400	$27,193	$45.46	$41.87 - $51.03
Q3 2017	305,300	$21,026	$50.60	$48.73 - $51.89
Q2 2017	275,800	$18,608	$49.84	$47.18 - $52.32
Q1 2017	340,900	$22,659	$45.51	$43.01 - $48.38
Q4 2016	282,200	$17,310	$42.62	$38.96 - $45.02
Q3 2016	266,700	$16,327	$43.19	$40.45 - $45.62
Q2 2016	8,500	$535	$42.44	$39.39 - $44.88
Q1 2016	8,000	$481	$37.32	$31.07 - $42.88
Q4 2015	3,600	$167	$30.44	$27.84 - $33.06
Q3 2015	700	$28	$28.18	$25.38 - $32.28
Q2 2015	3,000	$130	$32.61	$29.70 - $35.86
Q1 2015	3,000	$151	$34.02	$32.42 - $35.85
Q4 2014	4,100	$217	$35.24	$31.42 - $38.13
Q3 2014	3,700	$177	$35.67	$31.93 - $41.13
Q2 2014	5,400	$332	$38.31	$36.56 - $40.65
Q1 2014	26,486	$1,527	$36.15	$33.35 - $38.82
Q4 2013	29,100	$1,528	$33.02	$30.45 - $35.53
Q3 2013	34,200	$1,705	$32.70	$30.21 - $35.44
Q2 2013	34,800	$1,696	$30.15	$27.57 - $32.51