BLACK HILLS CORP BKH
COM · Common Stock · CUSIP 092113109 · ISIN US0921131092
Energy company in based in Rapid City, South Dakota, United States
- SectorUtilities
- IndustryElectric Services
- HeadquartersRapid City, SD
- Founded1941
- Websiteir.blackhillscorp.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($11.3m this quarter). Holder counts are more reliable. Shares outstanding: 76.1m as of 2026-05-04, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $69.39. Options: 8 managers hold calls ($57.7m notional), 6 hold puts ($13.2m).
Trends to Q1 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 328 |
| Q4 2022 | 322 |
| Q1 2023 | 331 |
| Q2 2023 | 332 |
| Q3 2023 | 344 |
| Q4 2023 | 365 |
| Q1 2024 | 395 |
| Q2 2024 | 375 |
| Q3 2024 | 394 |
| Q4 2024 | 400 |
| Q1 2025 | 415 |
| Q2 2025 | 415 |
| Q3 2025 | 432 |
| Q4 2025 | 461 |
| Q1 2026 | 476 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q2 2024 | 195 | 163 |
| Q3 2024 | 197 | 155 |
| Q4 2024 | 190 | 159 |
| Q1 2025 | 217 | 166 |
| Q2 2025 | 217 | 176 |
| Q3 2025 | 224 | 171 |
| Q4 2025 | 237 | 180 |
| Q1 2026 | 241 | 184 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q2 2025 | $2.8m | $1.5m | 0.52 |
| Q3 2025 | $5.8m | $2.2m | 0.38 |
| Q4 2025 | $90.1m | $12.4m | 0.14 |
| Q1 2026 | $57.7m | $13.2m | 0.23 |
Biggest buyers
| TWO SIGMA INVESTMENTS, LP | Added | +1.0m |
| CITADEL ADVISORS LLC | Added | +802.3k |
| FRANKLIN RESOURCES INC | Added | +743.6k |
| GOLDMAN SACHS GROUP INC | Added | +616.9k |
| Pictet Asset Management Holding SA | Added | +582.5k |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Added | +477.8k |
| BANK OF AMERICA CORP /DE/ | Added | +469.7k |
| Zimmer Partners, LP | Added | +465.0k |
| Invesco Ltd. | Added | +451.0k |
| D. E. Shaw & Co., Inc. | Added | +296.7k |
Biggest sellers
| TWO SIGMA ADVISERS, LP | Sold out | -978.2k |
| FULLER & THALER ASSET MANAGEMENT, INC. | Reduced | -832.2k |
| MILLENNIUM MANAGEMENT LLC | Reduced | -538.4k |
| Covalis Capital LLP | Reduced | -304.3k |
| Think Investments LP | Reduced | -300.1k |
| Nuveen, LLC | Reduced | -257.0k |
| INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC | Sold out | -220.4k |
| UBS Group AG | Reduced | -172.9k |
| ALLIANCEBERNSTEIN L.P. | Reduced | -161.7k |
| STATE STREET CORP | Reduced | -159.6k |
Biggest calls
| Think Investments LP | Reduced | $20.8m300.0k shares |
| CITADEL ADVISORS LLC | Added | $18.6m268.1k shares |
| Zimmer Partners, LP | New | $8.7m125.0k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $5.0m71.9k shares |
| SIMPLEX TRADING, LLC | Added | $1.9m26.9k shares |
| IMC-Chicago, LLC | Added | $1.8m25.9k shares |
| JANE STREET GROUP, LLC | Added | $770.5k11.1k shares |
| GROUP ONE TRADING LLC | Added | $173.5k2.5k shares |
Biggest puts
| CITADEL ADVISORS LLC | Added | $9.7m140.0k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $2.0m28.2k shares |
| SIMPLEX TRADING, LLC | Added | $749.6k10.8k shares |
| IMC-Chicago, LLC | New | $437.3k6.3k shares |
| JANE STREET GROUP, LLC | Added | $340.1k4.9k shares |
| GROUP ONE TRADING LLC | Added | $34.7k500 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution -1.5 pts · filed 2025-04-30 | 14.6% |
| VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 6.7% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 5.2% |
| STATE STREET CORP 13G · institution +0.2 pts · filed 2026-08-07 | 5.0% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC)
Insider purchases and sales in Q1 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q2 2024 | 0 | — | 1 | $169.7k | — |
| Q3 2024 | 0 | — | 0 | — | — |
| Q4 2024 | 0 | — | 0 | — | — |
| Q1 2025 | 0 | — | 0 | — | — |
| Q2 2025 | 0 | — | 0 | — | — |
| Q3 2025 | 0 | — | 0 | — | — |
| Q4 2025 | 0 | — | 1 | $1.0m | — |
| Q1 2026 | 0 | — | 0 | — | — |
None reported in Q1 2026.
Holders, Q1 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.01% of their portfolio | 12.1m $841.9m | Reduced -8.6k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.02% of their portfolio | 5.0m $349.8m | First filing |
| STATE STREET CORP 0.01% of their portfolio | 3.6m $251.3m | Reduced -159.6k |
| VANGUARD CAPITAL MANAGEMENT LLC 0.01% of their portfolio | 3.4m $233.9m | First filing |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 0.32% of their portfolio | 2.7m $186.0m | Added +24.1k |
| Capital Research Global Investors 0.02% of their portfolio | 2.3m $158.0m | Unchanged |
| TWO SIGMA INVESTMENTS, LP 0.13% of their portfolio | 2.2m $153.8m | Added +1.0m |
| ADAGE CAPITAL PARTNERS GP, L.L.C. 0.22% of their portfolio | 2.1m $143.7m | Added +477.8k |
| GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 2.0m $138.5m | Added +100.3k |
| Point72 Asset Management, L.P. 0.23% of their portfolio | 1.9m $134.9m | Added +68.0k |
| Covalis Capital LLP 7.49% of their portfolio | 1.8m $121.7m | Reduced -304.3k |
| AQR CAPITAL MANAGEMENT LLC 0.05% of their portfolio | 1.6m $109.4m | Added +177.2k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 1.6m $110.0m | Added +616.9k |
| FRANKLIN RESOURCES INC 0.03% of their portfolio | 1.6m $109.4m | Added +743.6k |
| COHEN & STEERS, INC. 0.15% of their portfolio | 1.3m $88.0m | Reduced -117.5k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 1.2m $84.4m | Added +24.7k |
| DIMENSIONAL FUND ADVISORS LP 0.02% of their portfolio | 1.1m $79.2m | Added +18.1k |
| Engineers Gate Manager LP 0.92% of their portfolio | 1.1m $73.8m | Added +213.8k |
| Invesco Ltd. 0.01% of their portfolio | 1.1m $73.6m | Added +451.0k |
| Nuveen, LLC 0.02% of their portfolio | 973.2k $67.6m | Reduced -257.0k |
| NORTHERN TRUST CORP 0.01% of their portfolio | 944.3k $65.5m | Added +25.5k |
| CITADEL ADVISORS LLC 0.04% of their portfolio | 903.0k $62.7m | Added +802.3k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 900.0k $62.5m | Added +469.7k |
| MORGAN STANLEY 0.00% of their portfolio | 820.8k $57.0m | Added +254.0k |
| Bank of New York Mellon Corp 0.01% of their portfolio | 784.3k $54.4m | Reduced -5.4k |
| FULLER & THALER ASSET MANAGEMENT, INC. 0.18% of their portfolio | 768.7k $53.4m | Reduced -832.2k |
| Zimmer Partners, LP 1.26% of their portfolio | 741.0k $51.4m | Added +465.0k |
| FIRST TRUST ADVISORS LP 0.03% of their portfolio | 705.1k $48.9m | Reduced -23.9k |
| VICTORY CAPITAL MANAGEMENT INC 0.03% of their portfolio | 685.1k $47.6m | Reduced -21.2k |
| Pictet Asset Management Holding SA 0.04% of their portfolio | 593.5k $41.2m | Added +582.5k |
| GABELLI FUNDS LLC 0.25% of their portfolio | 530.3k $36.8m | Reduced -3.0k |
| CRAWFORD INVESTMENT COUNSEL INC 0.61% of their portfolio | 516.8k $35.9m | Added +27.2k |
| VANGUARD FIDUCIARY TRUST CO 0.01% of their portfolio | 490.0k $34.0m | First filing |
| DUFF & PHELPS INVESTMENT MANAGEMENT CO 0.33% of their portfolio | 459.5k $31.9m | Added +69.8k |
| ProShare Advisors LLC 0.05% of their portfolio | 447.6k $31.1m | Reduced -155.6k |
| OLD REPUBLIC INTERNATIONAL CORP 1.15% of their portfolio | 416.0k $28.9m | Unchanged |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 410.6k $28.4m | Reduced -26.8k |
| UBS Group AG 0.00% of their portfolio | 399.3k $27.7m | Reduced -172.9k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.02% of their portfolio | 395.0k $27.4m | Added +1.6k |
| Freestone Grove Partners LP 0.20% of their portfolio | 392.8k $27.3m | Added +126.8k |
| JANUS HENDERSON GROUP PLC 0.01% of their portfolio | 373.7k $25.9m | Reduced -24.7k |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 0.08% of their portfolio | 352.6k $24.5m | Reduced -28.0k |
| D. E. Shaw & Co., Inc. 0.02% of their portfolio | 347.7k $24.1m | Added +296.7k |
| HighTower Advisors, LLC 0.02% of their portfolio | 334.5k $23.2m | Added +55.9k |
| PRINCIPAL FINANCIAL GROUP INC 0.01% of their portfolio | 320.9k $22.3m | Added +157.5k |
| Legal & General Group Plc 0.01% of their portfolio | 313.8k $21.8m | Reduced -25.6k |
| Connor, Clark & Lunn Investment Management Ltd. 0.05% of their portfolio | 281.4k $19.5m | Added +122.1k |
| Squarepoint Ops LLC 0.04% of their portfolio | 269.1k $18.7m | Added +56.1k |
| Yaupon Capital Management LP 0.84% of their portfolio | 246.6k $17.1m | Added +107.7k |
| Think Investments LP 2.22% of their portfolio | 237.5k $16.5m | Reduced -300.1k |
| RHUMBLINE ADVISERS 0.01% of their portfolio | 230.8k $16.0m | Added +5.4k |
| Paradiem, LLC 3.44% of their portfolio | 224.9k $15.6m | Reduced -9.8k |
| GAMCO INVESTORS, INC. ET AL 0.14% of their portfolio | 207.3k $14.4m | Added +195 |
| JANE STREET GROUP, LLC 0.01% of their portfolio | 180.8k $12.5m | Reduced -59.8k |
| California Public Employees Retirement System 0.01% of their portfolio | 180.5k $12.5m | Reduced -22.8k |
| GLENMEDE TRUST CO NA 0.06% of their portfolio | 174.8k $12.1m | Reduced -16.7k |
| Resolution Capital Ltd 0.25% of their portfolio | 171.7k $11.9m | New |
| Swiss National Bank 0.01% of their portfolio | 149.3k $10.4m | Added +5.5k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 147.5k $10.2m | Reduced -161.7k |
| Hunter Perkins Capital Management, LLC 2.29% of their portfolio | 140.7k $9.8m | Added +204 |
| Leeward Investments, LLC - MA 0.47% of their portfolio | 137.8k $9.6m | Reduced -3.8k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 134.0k $9.3m | Added +15.2k |
| BW Gestao de Investimentos Ltda. 0.40% of their portfolio | 130.7k $9.1m | Added +44.5k |
| VOYA INVESTMENT MANAGEMENT LLC 0.01% of their portfolio | 130.0k $9.0m | Reduced -125.9k |
| First Eagle Investment Management, LLC 0.02% of their portfolio | 128.8k $8.9m | Added +2.1k |
| Martin Capital Partners, LLC 3.18% of their portfolio | 123.3k $8.6m | Reduced -160 |
| Russell Investments Group, Ltd. 0.01% of their portfolio | 123.2k $8.5m | Added +9.4k |
| Man Group plc 0.02% of their portfolio | 122.8k $8.5m | Added +50.7k |
| MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 0.10% of their portfolio | 121.3k $8.4m | Reduced -3.1k |
| Phocas Financial Corp. 1.31% of their portfolio | 119.8k $8.3m | Reduced -34.2k |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 0.04% of their portfolio | 117.5k $8.2m | Reduced -5.0k |
| STIFEL FINANCIAL CORP 0.01% of their portfolio | 116.8k $8.1m | Added +1.2k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 115.3k $8.0m | Reduced -47 |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.03% of their portfolio | 114.2k $7.9m | Added +81.6k |
| CONGRESS ASSET MANAGEMENT CO 0.06% of their portfolio | 111.7k $7.8m | Added +21.1k |
| HITE Hedge Asset Management LLC 0.43% of their portfolio | 108.5k $7.5m | Added +83.5k |
| SEI INVESTMENTS CO 0.01% of their portfolio | 105.3k $7.3m | Added +16.0k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 103.1k $7.2m | Reduced -9.3k |
| Verition Fund Management LLC 0.07% of their portfolio | 99.3k $6.9m | Reduced -152.2k |
| MAIRS & POWER INC 0.07% of their portfolio | 98.3k $6.8m | Added +4.1k |
| Thrivent Financial for Lutherans 0.01% of their portfolio | 93.1k $6.5m | Reduced -1.4k |
| Retirement Systems of Alabama 0.02% of their portfolio | 92.5k $6.4m | Added +1.9k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio | 89.5k $6.2m | Added +20.4k |
| TUDOR INVESTMENT CORP ET AL 0.03% of their portfolio | 88.2k $6.1m | New |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 88.1k $6.1m | Added +15.7k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio | 81.8k $5.7m | New |
| Cerity Partners LLC 0.01% of their portfolio | 81.8k $5.7m | Reduced -3.6k |
| Edgestream Partners, L.P. 0.19% of their portfolio | 81.5k $5.7m | Added +67.7k |
| RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio | 79.2k $5.5m | New |
| MetLife Investment Management, LLC 0.03% of their portfolio | 77.1k $5.4m | Added +969 |
| ALTA CAPITAL MANAGEMENT LLC/ 0.40% of their portfolio | 75.1k $5.2m | Added +13.2k |
| Quantbot Technologies LP 0.21% of their portfolio | 74.3k $5.2m | Added +62.8k |
| Magellan Asset Management Ltd 0.07% of their portfolio | 74.2k $5.1m | Added +22.6k |
| Hudson Bay Capital Management LP 0.03% of their portfolio | 73.9k $5.1m | Added +33.3k |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio | 70.9k $4.9m | Reduced -2.5k |
| ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio | 68.5k $4.8m | Added +3.1k |
| Quantinno Capital Management LP 0.01% of their portfolio | 67.7k $4.7m | Added +49.8k |
| IEQ CAPITAL, LLC 0.02% of their portfolio | 65.8k $4.6m | Reduced -30.9k |
| MACKENZIE FINANCIAL CORP 0.01% of their portfolio | 65.1k $4.5m | Added +13.9k |
| Lighthouse Investment Partners, LLC 0.17% of their portfolio | 65.1k $4.5m | Added +55.6k |