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On December 19, URNM rebalanced under new index rules that removed companies with a free-float market capitalization below $100M. So, several smaller uranium developers were sold out of the ETF, ex. Anfield Energy and others.
Research shows that stocks removed from indexes or passive ETFs often outperform the market over the next five years, not because they necessarily improve, but because mechanical selling temporarily depresses prices below intrinsic value.
Anfield Energy (AEC) represents one of the more compelling examples of this setup:
* It faces material forced selling pressure from URNM relative to its trading liquidity.
* It has already underperformed URNM meaningfully since the deletion was announced.
* It trades at a deep valuation discount to uranium peers on both resource and NPV metrics.
* It has tangible, time-bound operational catalysts tied to U.S. uranium production and mill restart optionality.
The evidence suggests that buying Anfield Energy before, during, or shortly after its removal from URNM could offer attractive long-term outperformance potential, particularly for investors with a multi-year horizon.
Academic research on index rebalancing consistently finds that index deletions are not neutral events. When a stock is removed from an index:
* Passive funds tracking that index must get rid of their shares, regardless of valuation.
* That selling is price insensitive and often concentrated around the rebalance date.
* The result is a temporary liquidity shock, not a reassessment of fundamentals.
Research Affiliates’ long standing work on deletions provide a clear framework for this market situation.
**Stocks kicked out of indexes have historically outperformed**
According to the Research Affiliates study:
* Stocks removed from major U.S. equity indexes outperformed their benchmarks for at least five years after deletion.
* The average excess return exceeded 5 percent per year, compounded over the five-year post-deletion period.
* This outperformance persisted across multiple market cycles and index families.
https://preview.redd.it/d1dhz4adnjbg1.png?width=1035&format=png&auto=webp&s=a0db53bcd2f8b38d0754744afa0998d71566ef78
Importantly, the research emphasizes that:
* Most deletions underperform sharply in the year leading up to removal, as selling pressure builds.
* The rebound typically occurs after the forced selling ends, once marginal sellers disappear.
**The lesson: timing matters, but patience matters more**
Two important caveats from the research apply directly here:
* Deletions are volatile. Prices do not necessarily bottom on the rebalance day itself.
* Dispersion is wide. Not every deleted stock becomes a winner, which is why basket strategies often outperform single-name bets.
That said, when a deleted stock is:
* fundamentally viable,
* trading at a valuation extreme,
* and subject to outsized forced selling
**A meaningful change in index methodology**
In 2025, Sprott announced material changes to the North Shore Global Uranium Mining Index, which URNM tracks. The most important change for investors is the introduction of much higher size and liquidity thresholds.
Key rule changes include:
* **Minimum free-float market cap**
* New constituents: $125 million
* Existing constituents (buffer): $100 million
* **Minimum liquidity (ADVT)**
* New constituents: $100,000
* Existing buffer: $75,000
* Removal of minimum weight constraints, allowing small names to be fully eliminated
* Higher concentration caps for larger holdings
These changes explicitly push the index toward larger, more liquid uranium companies and away from smaller developers. Essentially URNM is cutting out small caps from the index and upping exposure to the largest uranium stock in the market, Cameco.
**Deletions from URNM**
Companies removed from the rebalance:
* Anfield Energy Inc. (AEC)
* Atomic Eagle (AEU AU)
* Alligator Energy (AGE AU)
* Berkeley Energia (BKY LN)
* Elevate Uranium (EL8 AU)
* F3 Uranium Corp. (FUU)
* Forsys Metals (FSY CN)
* Premier American Uranium (PUR CN)
* Skyharbour Resources (SYH CN)
* Western Uranium & Vanadium (WUC CN)
**Toro Energy: a real-world example of forced selling and recovery**
To understand how this dynamic can play out in practice, it is useful to look at **Toro Energy**, a uranium developer that was previously removed from URNM in 2024.
**Before deletion: severe underperformance**
In the period leading up to its deletion:
* Toro Energy underperformed URNM by over 30 percentage points on a normalized basis.
* The stock declined sharply while URNM remained relatively stable.
This mirrors the pattern described in the academic research: selling pressure accumulates well before the rebalance date.
**Toro Energy Percent Return vs URNM: Rebalance Announcement Date until T-1 to Rebalance**
https://preview.redd.it/4sr8zzglojbg1.png?width=720&format=png&auto=webp&s=9051254809543da445eefb8ff39c9b7ca77373e7
**After deletion: sharp relative rebound**
In the period following removal:
* Toro Energy dramatically outperformed URNM, rising 86 percent compared to only a 6 percent return for URNM in the following month.
* The rebound occurred after the forced selling ended and liquidity normalized.
https://preview.redd.it/y1gf8kspojbg1.png?width=1039&format=png&auto=webp&s=0b5c3abeab373565e96b1b942eab39b61b5a83e0
Toro does not prove that all deletions succeed. However, it does demonstrate:
* How passive selling can overwhelm price discovery, and
* How relief from that selling can unlock rapid mean reversion.
We believe this historical precedent is directly relevant to Anfield Energy today.
**Anfield Energy: flows, performance, and near-term pressure**
Since mid-October, stocks scheduled for deletion from URNM have meaningfully underperformed the ETF itself.
Across the deletion cohort:
* URNM declined less than 10 percent.
* Several deletion candidates fell 30–40 percent over the same window.
This pattern strongly suggests that:
* Markets are ahead of the rebalance, and
* Forced selling pressure is already being reflected in prices.
Anfield has participated in this broader underperformance dynamic even though it has several concrete catalysts coming up in the next 18 months plus trades at a significant valuation gap to other uranium explorers and developers.
The most important quantitative detail for Anfield is the scale of URNM’s ownership versus daily trading volume.
Based on holdings data from URNM as of December 16th:
* URNM held approximately US$6.25 million of Anfield stock.
* Anfield trades roughly US$430,000 per day in dollar volume.
* This implies URNM’s position equals \~14.5 days of normal trading volume.
**Anfield’s fundamentals and valuation Asymmetry**
**Strategic positioning: U.S. uranium infrastructure**
Anfield’s strategy is centered on becoming a **U.S.-focused uranium producer**, anchored by ownership of the Shootaring Canyon Mill, one of only three constructed and permitted hard rock uranium mills mills in the United States.
This infrastructure optionality matters in a market increasingly focused on:
* Domestic uranium supply,
* Energy security,
* And permitting-constrained assets.
**Operational Timeline and Catalysts**
Key milestones include:
* **Velvet-Wood project (Utah)**
* State and federal approvals in place.
* Approved to advance toward construction.
* **JD-8 mine (Colorado)**
* Permitting application submitted.
* Management targeting **restart in the second half of 2026**.
* **Shootaring Canyon Mill**
* Radioactive materials license expected in 2H 2026.
* Restart of the mill planned for 2027 with a goal of 3M lbs of uranium produced annually.
While not risk-free, these are defined, observable catalysts that could drive a future rebound in Anfield shares.
**Anfield also has Significant Valuation Support**
On multiple valuation measures, Anfield screens as one of the cheapest uranium developers in the public market.
* Market cap per pound of M&I resource
* Anfield trades at roughly $1.95 per pound, the lowest among peers.
* Most peers trade between $5 and $20+ per pound.
https://preview.redd.it/vczznhlspjbg1.png?width=915&format=png&auto=webp&s=72e4694022c4c9c38b69ff25bea5383243073004
* **Price to after-tax project NPV**
* Anfield trades near 0.3× NPV.
* Major developers on similar timelines to first production trade between 1.4× and 2.3× NPV.
These gaps reflect execution risk—but they also create asymmetric upside if even modest progress is made.
https://preview.redd.it/vt6tafzvpjbg1.png?width=1024&format=png&auto=webp&s=bf918746d28231f1cb77f199a466150f3e9994aa
**Given the Fundamental Backdrop for Uranium: Buying Index Deletions Could be a Smart Strategy**
The case for Anfield is not based on hype, its based on market structure.
* A large passive ETF must sell.
* The sale is large relative to liquidity.
* The stock has already underperformed in anticipation.
* The company trades at deep valuation discounts.
* And it has real assets and identifiable catalysts.
History these ingredients drive significant outperformance vs the index.
IMHO, investors who are willing to tolerate near-term volatility and focus on a 1-2 year horizon, buying Anfield Energy or potentially all of the URNM deletion candidates before or shortly after their removal from URNM could prove rewarding, particularly when forced selling creates prices disconnected from fundamentals.