Hallador Energy Co
HNRG- Exchange
- Nasdaq
- Industry
- Electric Services
- SEC CIK
- 0000788965
In the last 90 days, Hallador Energy Co insiders filed 2 open-market purchases and 0 sales; 172 institutions reported holding it in 13F filings for Q2 2026, worth $629.4M in total; no superinvestor holds it.
Holders of 5% or more of HNRG
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Hallador Energy Co, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G | 5.90%2.80M shares | +0.92 ppfrom 4.98% | Jul 17, 20255 filings | Jul 28, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
23 Schedule 13D and 13G filings on Hallador Energy Co, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 11, 20268:13 PM ET | Becker Mark D. | 13G/A | 3.00%1.44M shares | −2.30 ppfrom 5.30%Below 5% | Jun 30, 2026 | SEC |
| Jul 28, 20264:44 PM ET | BlackRock, Inc. | 13G | 5.90%2.80M shares | +0.92 ppfrom 4.98% | Jun 30, 2026 | SEC |
| Apr 27, 20264:12 PM ET | BlackRock, Inc. | 13G/A | 4.98%2.34M shares | −0.22 ppfrom 5.20%Below 5% | Mar 31, 2026 | SEC |
| Mar 26, 202611:37 AM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −5.20 ppfrom 5.20%Below 5% | Mar 13, 2026 | SEC |
| Feb 27, 20268:17 PM ET | Hallador Alternative Assets Fund, LLCand 4 others | 13D/A | 3.67%1.61M shares | –Below 5% | Jan 1, 2026 | SEC |
| Jan 21, 202612:30 PM ET | BlackRock, Inc. | 13G | 5.20%2.27M shares | +0.30 ppfrom 4.90% | Dec 31, 2025 | SEC |
| Nov 12, 20257:19 AM ET | Aegis Financial Corpand 1 other | 13G/A | 4.70%2.01M shares | –Below 5% | Sep 30, 2025 | SEC |
| Nov 6, 20256:50 PM ET | Becker Mark D. | 13G | 5.30%2.29M shares | New | Oct 31, 2025 | SEC |
| Oct 17, 20256:13 PM ET | BlackRock, Inc. | 13G/A | 4.90%2.10M shares | −0.20 ppfrom 5.10%Below 5% | Sep 30, 2025 | SEC |
| Jul 29, 20251:00 PM ET | Vanguard Group Inc | 13G | 5.20%2.24M shares | New | Jun 30, 2025 | SEC |
| Jul 17, 20257:54 PM ET | BlackRock, Inc. | 13G | 5.10%2.17M shares | New | Jun 30, 2025 | SEC |
| Feb 14, 20257:15 AM ET | ALJ Investment Company, LLCand 1 other | 13G/A | 3.30%1.40M shares | –Below 5% | Dec 31, 2024 | SEC |
| Mar 7, 202412:29 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 29, 2024 | Hallador Alternative Assets Fund, LLC | 13D/AOld format | – | – | – | SEC |
| Feb 27, 2024 | Lubar & Co., Inc | 13D/AOld format | – | – | – | SEC |
| Feb 8, 2024 | Aegis Financial Corp | 13G/AOld format | – | – | – | SEC |
| Feb 2, 20243:57 PM ET | BlackRock Inc. | 13GOld format | – | New | – | SEC |
| Apr 20, 2023 | Hallador Alternative Assets Fund, LLC | 13D/AOld format | – | – | – | SEC |
| Feb 10, 2023 | Aegis Financial Corp | 13GOld format | – | New | – | SEC |
| Jul 20, 2022 | Hallador Alternative Assets Fund, LLC | 13D/AOld format | – | – | – | SEC |
| Jun 22, 2022 | Lubar Equity Fund, LLC | 13D/AOld format | – | – | – | SEC |
| Jun 21, 2022 | Hardie Steven | 13DOld format | – | New | – | SEC |
| Feb 4, 2021 | Extract Advisors LLC | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Hallador Energy Co shares.
No Form 144 notices for Hallador Energy Co are on file.