Black Hills Corporation
US ˙ NYSE ˙ US0921131092

SecurityBKH / Black Hills Corporation
InstitutionAssetmark, Inc
Latest Disclosed Ownership8,299 shares
Latest Disclosed Value $ 576,034
Assetmark, Inc reports 5.32% increase in ownership of BKH / Black Hills Corporation

On May 6, 2026 - Assetmark, Inc filed a 13F-HR form disclosing ownership of 8,299 shares of Black Hills Corporation (US:BKH) valued at $576,034 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 23, 2026 disclosing 7,880 shares of Black Hills Corporation. This represents a change in shares of 5.32% during the quarter. The current value of the position is $593,130 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-06 2026-03-31 13F BLACK HILLS COM 092113109 8,299 419 5.32 576 5.30 0.0012
2026-01-23 2025-12-31 13F BLACK HILLS COM 092113109 7,880 24 0.31 547 13.25 0.0011
2025-11-06 2025-09-30 13F BLACK HILLS COM 092113109 7,856 661 9.19 484 19.85 0.0010
2025-08-04 2025-06-30 13F BLACK HILLS COM 092113109 7,195 279 4.03 404 -3.82 0.0010
2025-05-06 2025-03-31 13F BLACK HILLS COM 092113109 6,916 200 2.98 419 6.62 0.0012
2025-02-06 2024-12-31 13F BLACK HILLS COM 092113109 6,716 263 4.08 393 -0.25 0.0011
2024-11-01 2024-09-30 13F BLACK HILLS COM 092113109 6,453 73 1.14 394 13.87 0.0011
2024-08-13 2024-06-30 13F BLACK HILLS COM 092113109 6,380 227 3.69 347 3.28 0.0011
2024-05-07 2024-03-31 13F BLACK HILLS COM 092113109 6,153 -191 -3.01 336 -2.05 0.0011
2024-02-09 2023-12-31 13F BLACK HILLS COM 092113109 6,344 1,101 21.00 342 29.06 0.0012
2023-10-27 2023-09-30 13F BLACK HILLS COM 092113109 5,243 627 13.58 265 -4.68 0.0011
2023-08-11 2023-06-30 13F BLACK HILLS CORP COM COM 092113109 4,616 118 2.62 278 -1.77 0.0011
2023-05-05 2023-03-31 13F BLACK HILLS CORP COM COM 092113109 4,498 4,498 284 0.0012
2020-08-11 2020-06-30 13F BLACK HILLS CORP COM COM 092113109 0 -92 -100.00 0 -100.00
2020-05-12 2020-03-31 13F BLACK HILLS CORP COM COM 092113109 92 -140 -60.34 6 -57.14 0.0001
2017-09-14 2016-09-30 13F/A-1 BLACK HILLS CORP COM COM 092113109 232 54 30.34 14 27.27 0.0002
2016-11-04 2016-09-30 13F BLACK HILLS CORP COM COM 092113109 232 14
2017-09-14 2016-06-30 13F/A-1 BLACK HILLS CORP COM COM 092113109 178 178 11 0.0002
2016-08-08 2016-06-30 13F BLACK HILLS CORP COM COM 092113109 178 11
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.