Comparable stake leader
BlackRock, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001130464.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
01 May 2026
Ownership snapshot
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Quick read
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
15%
from 13D/G
|
$841,919,583
12,129,658 shares
|
— | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
13F
Vanguard Portfolio Management · Company
|
6.7%
|
$351,849,285
5,069,144 shares
|
$0 | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5.2%
|
$275,862,549
3,974,392 shares
|
$0 | 31 Mar 2026 |
| STATE STREET CORP |
13D/G
13F
STATE STREET CORPORATION · Company
|
4.8%
|
$267,329,873
3,622,356 shares
|
$0 | 31 Mar 2026 |
| Linden R. Evans |
3/4/5
President and CEO
|
0.23%
|
$12,554,802
173,272 shares
|
— | 12 Feb 2026 |
| Kimberly F. Nooney |
3/4/5
SVP & CFO
|
0.05%
|
$2,832,916
38,696 shares
|
-$1,025,150 | 12 Feb 2026 |
| Marne M. Jones |
3/4/5
SVP - Utilities
|
0.05%
|
$2,830,823
38,667 shares
|
— | 12 Feb 2026 |
| Sarah Wiltse |
3/4/5
SVP and CHRO
|
0.01%
|
$544,561
7,532 shares
|
— | 06 Feb 2026 |
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Net insider flow leans to selling over the last 12 months. Net value: -$1,330,120.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 4,109 | $0 | $304,970 | -$304,970 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 14,500 | $0 | $1,025,150 | -$1,025,150 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Showing 1-20 of 26 reporting-owner rows connected to BLACK HILLS CORP /SD/. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Linden R. Evans | President and CEO | $12,554,802 | Mixed | 12 Feb 2026 | ||
| Steven Richard Mills | Director | $3,687,444 | Mixed | 01 May 2026 | ||
| John B. Vering | Director | $2,988,380 | Mixed | 30 Apr 2022 | ||
| Kimberly F. Nooney | Svp & Cfo | $2,832,916 | -$1,025,150 | -27% | Mixed | 12 Feb 2026 |
| Marne M. Jones | SVP - Utilities | $2,830,823 | Mixed | 12 Feb 2026 | ||
| Richard Kinzley | Sr VP & CFO | $2,328,599 | Mixed | 31 Dec 2023 | ||
| Michael Madison | Director | $2,267,294 | Mixed | 28 May 2021 | ||
| Brian Iverson | Sr VP General Counsel | $2,259,152 | Mixed | 09 Feb 2024 | ||
| Rebecca B. Roberts | Director | $1,831,978 | Mixed | 31 Dec 2024 | ||
| Teresa Taylor | Director | $1,713,606 | Mixed | 01 May 2026 | ||
| Stuart A. Wevik | Sr VP - Utility Operations | $1,589,960 | Mixed | 06 May 2022 | ||
| Tony A. Jensen | Director | $1,571,263 | Mixed | 01 May 2026 | ||
| Robert P. Otto | Director | $1,550,778 | -$304,970 | -16% | Mixed | 27 May 2026 |
| Mark A. Schober | Director | $1,475,427 | Mixed | 31 Dec 2024 | ||
| Kathleen S. McAllister | Director | $1,461,008 | Mixed | 01 May 2026 | ||
| Jennifer C. Landis | Sr VP Human Resources | $1,325,356 | Mixed | 10 Feb 2023 | ||
| Barry M. Granger | Director | $985,523 | Mixed | 01 May 2026 | ||
| Scott M. Prochazka | Director | $985,519 | Mixed | 01 May 2026 | ||
| Todd J. Jacobs | SVP - Growth & Strategy | $855,732 | Mixed | 10 Jan 2024 | ||
| Keller D. Erik | Sr VP Chief Info Officer | $627,704 | Mixed | 12 Feb 2025 |
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Robert P. Otto | BKH | Common Stock | Sale | -27.4% | $304,970 | $74.22 | -4,109 | 10,886 | 27 May 2026 | Direct |
| Anne G. Waleski | BKH | Common Stock | Award | 82.9% | 1,921 | 4,237 | 01 May 2026 | Direct | ||
| Teresa Taylor | BKH | Common Stock | Award | 16.4% | 1,921 | 13,646 | 01 May 2026 | Direct | ||
| Scott M. Prochazka | BKH | Common Stock | Award | 19.6% | 1,921 | 11,716 | 01 May 2026 | Direct | ||
| Robert P. Otto | BKH | Common Stock | Award | 14.7% | 1,921 | 14,995 | 01 May 2026 | Direct | ||
| Steven Richard Mills | BKH | Common Stock | Award | 6.93% | 1,921 | 29,622 | 01 May 2026 | Direct | ||
| Kathleen S. McAllister | BKH | Common Stock | Award | 13.2% | 1,921 | 16,529 | 01 May 2026 | Direct | ||
| Tony A. Jensen | BKH | Common Stock | Award | 11.9% | 1,921 | 18,118 | 01 May 2026 | Direct | ||
| Barry M. Granger | BKH | Common Stock | Award | 19.6% | 1,921 | 11,716 | 01 May 2026 | Direct | ||
| Robert F. Beard | BKH | Common Stock | Award | 82.9% | 1,921 | 4,237 | 01 May 2026 | Direct | ||
| Linden R. Evans | BKH | Common Stock | Gift | -3.6% | -6,311 | 168,773 | 17 Feb 2026 | Direct | ||
| Marne M. Jones | BKH | Common Stock | Tax liability | -0.86% | -334 | 38,667 | 12 Feb 2026 | Direct | ||
| Marne M. Jones | BKH | Common Stock | Award | 2.19% | 835 | 39,002 | 12 Feb 2026 | Direct | ||
| Kimberly F. Nooney | BKH | Common Stock | Tax liability | -2.04% | -806 | 38,691 | 12 Feb 2026 | Direct | ||
| Kimberly F. Nooney | BKH | Common Stock | Award | 5.35% | 2,006 | 39,497 | 12 Feb 2026 | Direct | ||
| Linden R. Evans | BKH | Common Stock | Tax liability | -1.99% | -3,556 | 175,084 | 12 Feb 2026 | Direct | ||
| Linden R. Evans | BKH | Common Stock | Award | 5.33% | 9,036 | 178,640 | 12 Feb 2026 | Direct | ||
| Linden R. Evans | BKH | Common Stock | Tax liability | -1.43% | -2,460 | 169,604 | 09 Feb 2026 | Direct | ||
| Marne M. Jones | BKH | Common Stock | Tax liability | -0.99% | -380 | 38,167 | 09 Feb 2026 | Direct | ||
| Kimberly F. Nooney | BKH | Common Stock | Tax liability | -1.65% | -627 | 37,491 | 09 Feb 2026 | Direct | ||
| Linden R. Evans | BKH | Common Stock | Tax liability | -0.94% | -1,625 | 172,064 | 07 Feb 2026 | Direct | ||
| Marne M. Jones | BKH | Common Stock | Tax liability | -3.55% | -1,418 | 38,547 | 07 Feb 2026 | Direct | ||
| Kimberly F. Nooney | BKH | Common Stock | Tax liability | -4.52% | -1,805 | 38,119 | 07 Feb 2026 | Direct | ||
| Sarah Wiltse | BKH | Common Stock | Tax liability | -2.6% | -201 | 7,532 | 07 Feb 2026 | Direct | ||
| Linden R. Evans | BKH | Common Stock | Award | 11.4% | 17,793 | 173,689 | 06 Feb 2026 | Direct | ||
| Marne M. Jones | BKH | Common Stock | Award | 11.4% | 4,106 | 39,964 | 06 Feb 2026 | Direct | ||
| Kimberly F. Nooney | BKH | Common Stock | Award | 13.2% | 4,654 | 39,924 | 06 Feb 2026 | Direct | ||
| Sarah Wiltse | BKH | Common Stock | Award | 43% | 2,327 | 7,733 | 06 Feb 2026 | Direct | ||
| Nakata Darren T. | BKH | Common Stock | Award | 62.2% | 2,874 | 7,495 | 06 Feb 2026 | Direct | ||
| Donald Lee Redden Jr. | BKH | Common Stock | Award | 31.2% | 1,642 | 6,910 | 06 Feb 2026 | Direct | ||
| Linden R. Evans | BKH | Common Stock | Other | 8.08 | 168,781 | 01 Dec 2025 | Direct | |||
| Kimberly F. Nooney | BKH | Common Stock | Sale | -29.5% | $1,025,150 | $70.70 | -14,500 | 34,621 | 10 Nov 2025 | Direct |
| Nakata Darren T. | BKH | Common Stock | Award | 4,621 | 4,621 | 07 Nov 2025 | Direct |