enCore Energy Corp.
US ˙ NasdaqCM ˙ CA29259W7008

SecurityEU / enCore Energy Corp.
InstitutionCitadel Advisors Llc
ManagerKen Griffin
Latest Disclosed Ownership54,645 shares
Latest Disclosed Value $ 98,361
Citadel Advisors Llc ownership in EU / enCore Energy Corp.

On May 15, 2026 - Citadel Advisors Llc filed a 13F-HR form disclosing ownership of 54,645 shares of enCore Energy Corp. (US:EU) valued at $98,361 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 1,967,928 shares of enCore Energy Corp.. This represents a change in shares of -97.22% during the quarter. The current value of the position is $75,410 USD.

Citadel Advisors Llc has a history of taking positions in derivatives of the underlying security (EU) in the form of stock options. The firm currently holds call options representing 274,600 of underlying shares valued at $494,280 USD and put options representing 210,600 of underlying shares valued at $379,080 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

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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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

EU / enCore Energy Corp. Historical Put/Call Ratio
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)
2026-05-15 2026-03-31 13F ENCORE ENERGY COM NEW 29259W700 54,645 -1,913,283 -97.22 98 -97.99 0.0000
2026-02-17 2025-12-31 13F ENCORE ENERGY COM NEW 29259W700 1,967,928 -500,948 -20.29 4,880 -38.42 0.0007
2025-11-14 2025-09-30 13F ENCORE ENERGY COM NEW 29259W700 2,468,876 2,468,876 7,925 0.0012
2025-05-15 2025-03-31 13F ENCORE ENERGY COM NEW 29259W700 0 -86,620 -100.00 0 -100.00
2025-02-14 2024-12-31 13F ENCORE ENERGY COM NEW 29259W700 86,620 -52,611 -37.79 295 -47.51 0.0001
2024-11-14 2024-09-30 13F ENCORE ENERGY COM NEW 29259W700 139,231 -2,901,448 -95.42 562 -95.31 0.0001
2024-08-14 2024-06-30 13F ENCORE ENERGY COM NEW 29259W700 3,040,679 2,995,403 6,615.87 11,980 5,950.51 0.0024
2024-05-15 2024-03-31 13F ENCORE ENERGY COM NEW 29259W700 45,276 -572,563 -92.67 198 -91.85 0.0000
2024-02-14 2023-12-31 13F ENCORE ENERGY COM NEW 29259W700 617,839 608,230 6,329.79 2,428 7,732.26 0.0005
2023-11-14 2023-09-30 13F ENCORE ENERGY COM NEW 29259W700 9,609 -155,032 -94.16 31 -92.17 0.0000
2023-08-14 2023-06-30 13F ENCORE ENERGY COM NEW 29259W700 164,641 137,785 513.05 397 560.00 0.0001
2023-05-15 2023-03-31 13F ENCORE ENERGY COM NEW 29259W700 26,856 26,856 61 0.0000
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-15 2026-03-31 13F ENCORE ENERGY COM NEW Call 274,600 -16.23 494 -39.16 n/a n/a n/a
2026-02-17 2025-12-31 13F ENCORE ENERGY COM NEW Call 327,800 362.34 813 257.71 n/a n/a n/a
2025-11-14 2025-09-30 13F ENCORE ENERGY COM NEW Call 70,900 -61.26 228 -56.60 n/a n/a n/a
2025-08-14 2025-06-30 13F ENCORE ENERGY COM NEW Call 183,000 37.91 523 188.95 n/a n/a n/a
2025-05-15 2025-03-31 13F ENCORE ENERGY COM NEW Call 132,700 26.14 182 -49.44 n/a n/a n/a
2025-02-14 2024-12-31 13F ENCORE ENERGY COM NEW Call 105,200 111.24 359 78.11 n/a n/a n/a
2024-11-14 2024-09-30 13F ENCORE ENERGY COM NEW Call 49,800 -50.69 201 -49.37 n/a n/a n/a
2024-08-14 2024-06-30 13F ENCORE ENERGY COM NEW Call 101,000 5.32 398 -5.48 n/a n/a n/a
2024-05-15 2024-03-31 13F ENCORE ENERGY COM NEW Call 95,900 47,850.00 420 n/a n/a n/a
2024-02-14 2023-12-31 13F ENCORE ENERGY COM NEW Call 200 -94.59 1 -100.00 n/a n/a n/a
2023-11-14 2023-09-30 13F ENCORE ENERGY COM NEW Call 3,700 12 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-15 2026-03-31 13F ENCORE ENERGY COM NEW Put 210,600 -13.08 379 -36.83 n/a n/a n/a
2026-02-17 2025-12-31 13F ENCORE ENERGY COM NEW Put 242,300 13.28 601 -12.54 n/a n/a n/a
2025-11-14 2025-09-30 13F ENCORE ENERGY COM NEW Put 213,900 36.42 687 53.13 n/a n/a n/a
2025-08-14 2025-06-30 13F ENCORE ENERGY COM NEW Put 156,800 5.38 448 120.69 n/a n/a n/a
2025-05-15 2025-03-31 13F ENCORE ENERGY COM NEW Put 148,800 219.31 204 28.48 n/a n/a n/a
2025-02-14 2024-12-31 13F ENCORE ENERGY COM NEW Put 46,600 -57.98 159 -64.73 n/a n/a n/a
2024-11-14 2024-09-30 13F ENCORE ENERGY COM NEW Put 110,900 -16.11 448 -13.85 n/a n/a n/a
2024-08-14 2024-06-30 13F ENCORE ENERGY COM NEW Put 132,200 245.17 521 211.38 n/a n/a n/a
2024-05-15 2024-03-31 13F ENCORE ENERGY COM NEW Put 38,300 1,640.91 168 1,987.50 n/a n/a n/a
2024-02-14 2023-12-31 13F ENCORE ENERGY COM NEW Put 2,200 9 n/a n/a n/a
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.