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Ken Griffin's Hallador Energy Company (HNRG) position

Yes: as of Q1 2026, Ken Griffin holds 345K shares of HNRG worth $5.6M (0.0% of the disclosed portfolio). Last quarter the position was increased by 172.8%. First disclosed Q3 2021.
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Current value
$5.6M
Shares held
345K
% of portfolio
0.0%
Est. average buy price (i)
$18.02
Quarter-end price
$16.28

Estimated trade prices

Average price in quarters with purchases
$12.69
Average prices in quarters with sales
  • Q3 2025: $17.18 (50K shares sold)
  • Q2 2025: $15.45 (193K shares sold)
  • Q1 2024: $7.70 (112K shares sold)
  • Q2 2023: $8.52 (22K shares sold)
  • Q1 2023: $8.46 (4K shares sold)

HNRG price vs Griffin's position

1Y 3Y 5Y MAX
Dates
$2$20$4020222023202420252026New position of 16K shares · Q3 2021. Average closing price $2.61 · Price range $2.01–$3.2916KsharespurchasedAdded 46K shares (291.5%) · Q4 2021. Average closing price $2.84 · Price range $2.17–$4.2946KsharespurchasedNew position of 25K shares · Q4 2022. Average closing price $8.23 · Price range $6.00–$11.3025KsharespurchasedSold 4K shares (14.1%) · Q1 2023. Average closing price $8.46 · Price range $7.00–$9.904KsharessoldSold 22K shares (98.9%) · Q2 2023. Average closing price $8.52 · Price range $7.50–$9.6322KsharessoldNew position of 115K shares · Q4 2023. Average closing price $12.61 · Price range $8.84–$15.62115KsharespurchasedSold 112K shares (97.4%) · Q1 2024. Average closing price $7.70 · Price range $4.91–$9.45112KsharessoldAdded 116K shares (over 1,000%) · Q2 2024. Average closing price $6.27 · Price range $4.51–$9.12116KsharespurchasedNew position of 290K shares · Q1 2025. Average closing price $11.23 · Price range $8.60–$13.39290KsharespurchasedSold 193K shares (66.7%) · Q2 2025. Average closing price $15.45 · Price range $10.30–$19.40193KsharessoldSold 50K shares (52.0%) · Q3 2025. Average closing price $17.18 · Price range $15.02–$21.2250KsharessoldAdded 80K shares (173.2%) · Q4 2025. Average closing price $20.26 · Price range $17.31–$23.8180KsharespurchasedAdded 219K shares (172.8%) · Q1 2026. Average closing price $18.64 · Price range $15.72–$20.86219Ksharespurchased
Average closing price · filing quarter
$18.64
Price range · filing quarter
$15.72 – $20.86
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +219K +$4.1M +172.8% 345K May 15, 2026
Q4 2025 Added +80K +$1.6M +173.2% 127K Feb 17, 2026
Q3 2025 Reduced −50K −$863K −52.0% 46K Nov 14, 2025
Q2 2025 Reduced −193K −$3.0M −66.7% 97K Aug 14, 2025
Q1 2025 New +290K +$3.3M – 290K May 15, 2025
Q2 2024 Added +116K +$724K +3,781.5% 119K Aug 14, 2024
Q1 2024 Reduced −112K −$865K −97.4% 3K May 15, 2024
Q4 2023 New +115K +$1.5M – 115K Feb 14, 2024
Q2 2023 Reduced −22K −$184K −98.9% 230 Aug 14, 2023
Q1 2023 Reduced −4K −$30K −14.1% 22K May 15, 2023
Q4 2022 New +25K +$209K – 25K Feb 14, 2023
Q4 2021 Added +46K +$132K +291.5% 62K Feb 14, 2022
Q3 2021 New +16K +$42K – 16K Nov 15, 2021
Data through Q1 2026 · filed May 15, 2026
13 grouped rows from 13 quarters

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Common questions

Does Ken Griffin own HNRG?

Yes. As of Q1 2026, Ken Griffin disclosed 345K shares of HNRG, worth $5.6M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy HNRG?

Ken Griffin first disclosed a HNRG position in Q3 2021; every quarterly buy and sell since is in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Ken Griffin sell HNRG?

The quarter-by-quarter table above shows each sale and reduction Ken Griffin disclosed in HNRG. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of HNRG does Ken Griffin own?

Ken Griffin disclosed 345K shares of HNRG as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Ken Griffin pay for HNRG?

Ken Griffin's estimated average buy price for HNRG is $18.02, from quarter-average prices weighted by the shares added each quarter. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.