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While the biotech sector had long enjoyed investors’ attention, it was never as pronounced as around the time the pandemic’s effects were being felt around the world. However, 2022 shows a steady downward trend in stock valuations across the board and the biotech sector is no exception, despite whatever perceptions the pandemic might have introduced about this sector. The reasons behind the ongoing market slowdown are complex and multifaceted.
Let’s start with a broad analysis of the biotech sector.
Biotech ETFs and Regional Bias
For a broad analysis of the sector, let’s consider 4 popular Exchange-Traded Funds ((ETFs)): the iShares Biotechnology ETF (NASDAQ:IBB), the ARK Genomic Revolution ETF (ARKG), the Invesco Dynamic BioTech & Genome ETF (PBE) and the VanEck Biotech ETF (BBH). As of January 3 of this year, these 4 ETFs collectively accounted for nearly $16.2 billion in Assets Under Management (AUM).
Let’s consider a series of yearly “snapshots” in May of 2019 through 2021 – along with an additional snapshot at the dawn of this year as well as the end of April each. Companies incorporated in the U.S. and Canada as well as U.S./Canadian companies headquartered in Ireland, Cayman Islands or Jersey will be grouped into the “North America” region. Similarly, all companies from Europe (including the United Kingdom) will be grouped into the “Europe” region.
There’s an interesting study of contrasts in the 2019 snapshot vis-à-vis the present: while ARKG has between 2 and 4 European companies in its holdings in the entire period, their weights were substantially higher than that in IBB which – with between 13 and 32 European companies in its holdings – has the largest number of European companies in holdings among the 4 ETFs. In the present day, this situation has reversed; IBB now has both the highest weight and number of European constituents while ARKG has the lowest average weight per European company.
Now, ARKG is an “active ETF” – the holdings’ weights are based on the fund manager’s vision for the potential inherent in technological innovation by the holding company in creating future value. The “active ETF” structure is highly flexible: the fund manager can rapidly alter holdings as long as investors are made aware of the changes made by day’s end.
In contrast, the other ETFs are driven by rules-based index methodologies derived from either the qualifying stocks’ fundamentals (PBE) or market capitalization (IBB and BBH) that are applied at set intervals (typically quarterly) in the year.
Now, ARKG’s investment methodology is proprietary, i.e. it isn’t publicly available unlike the other ETFs. Ark Invest buys into companies that it deems to have the edge necessary to be a disruptor while the other fund managers rely on objective numbers and set criteria. Almost all of the ETFs have a heavy concentration in stocks of companies based in the U.S. – home to the world’s most overvalued equity market.
A previous article discussing Tesla’s recent stock trajectory had highlighted how overvaluation has been a concern among fund managers for almost five years now. However, as the “Equity Trap” article outlined, with treasury yields maintained low in the face of rising costs of real estate and consumables, there is simply no option outside of being invested in markets such as equities, commodities, and the like for those seeking monetary value preservation or growth.
With regard to equities at least, the overvaluation issue can be put in more stark terms when considering the ratio between stock prices and fundamentals. Given that IBB has by far the largest number of holdings on both sides of the Atlantic relative to the other 3 ETFs, let’s parse out the ratios for this ETF across the “snapshot” dates for a clearer picture.
Ratio Analysis: Europe versus North America
Let’s consider three ratios comparing the stock price of IBB’s constituent companies to their fundamentals – the Price to Earnings (PE), the Price to Sales (PS) and the Price to Book (PB). These ratios can be imagined to form a 3-dimensional axis that would describe a plane along which the price is observed. Each axis, in theory, should have the same effect on the plane. In practice, of course, this certainly does not hold true.
The prospect of overvaluation has an interesting effect on these ratios as reported by data services such as Bloomberg: metrics that are too high or too low are not reported as they’re not considered to hold any meaningful information for the investor. Thus, the proportion of tickers with unreported PE ratios relative to total number of tickers is calculated in both regions as well as the ETF in total for each of the “snapshot” dates.
Given ETFs don’t have overall ratios, proximate aggregations of these metrics are carried out in two formats to arrive at an effective proxy for regional contribution:
- The average; wherein the reported ratios of each of the ETF’s constituents are averaged outright;
- The weighted-average; wherein the reported ratios have each constituent’s weight factored in.
The picture that emerges is quite interesting.
The core observations discernible are:
- While European stocks are less than 10% of the distinct companies held in IBB, the “Unreported PE Percentage” metric tended to be higher among European stocks than in North American stocks until recently, where they’re running nearly at par.
- After a brief spike in May 2020, European PE and PS aggregates tended to be lower than the North American equivalents in the average and of significantly lower contributory effect, as exemplified in the weighted-average.
- The outsized PS aggregates across both regions is an interesting feature of the biotech sector, indicating that revenues (and not earnings) have an outsized influence on stock valuation. This has been significantly more prevalent in North American stocks than in European stocks since 2020. In the most recent “snapshot”, it can be seen that European stocks have had a substantial cool-off relative to 2019, unlike North American stocks.
As of the most recent “snapshot” date, 30 of IBB’s 372 constituents were also among ARKG’s 49 constituents. Two of them are European – Switzerland-based Crispr Therapeutics AG (CRSP) and Germany-based Atai Life Sciences N.V. (ATAI). Furthermore, 26 of these have unreported PE Ratios –including Atai. Overall, 43 of ARKG’s constituents have unreported PE Ratios.
The massive preponderance of unreported PE ratios in both ETFs is an indicator of how overvalued the biotech sector is. Overvaluation influences volatility which, in the economic picture emerging, makes a continued downward trend more likely than the converse. For Q1 this year, Morningstar’s Star Rating system has assigned ARKG a 1-star rating over a 3-year horizon and 2-star rating over a 5-year horizon. IBB does a little better (but not by much): 2 stars in both horizons as well as the 10-year horizon.
Gauging Investor Sentiment: Price Trends vs AUM
Let’s now gauge investor sentiment via AUM trajectories between each “snapshot” date. May 2019 would be the “zero line”, i.e. relative to itself, the net change in AUM and price is zero.
Until 2022 began to approach, ARKG’s AUM “deltas” were greater than those seen in prices, suggesting strong capital inflows. This was generally not the case with the other 3 ETFs – the “delta” pattern indicates only modest upticks in capital inflows (with the more concentrated BBH being the best attractor).
Since 2022 dawned, ARKG’s “deltas” suggest a disproportionately larger outflow relative to the downturn. IBB and PBE show a slight outflow while BBH’s near-identical “deltas” in both AUM and Price in the most recent date suggest that investors are holding steady.
This variable behaviour between BBH and IBB – both with market capitalization-driven constituent selection rules – lie in the “size effect”. The former favours the largest 25 companies in the sector whereas the latter is more diversified. Given the overvaluation, smaller overvalued companies are deemed more vulnerable than larger overvalued companies despite both categories facing downside risk.
However, even the larger companies aren’t immune to overvaluations and dwindling volumes are less likely to continue propping up prices that are overvalued relative to ratios. An earlier article about ARKG (written nearly 5 months ago had opined:
The hazy notion of triumph for the taking an indeterminate distance away that had driven many a “growth” stock to improbable highs in recent years could get a reckoning…
This isn’t just a problem with ARKG; it’s a problem with the sector as a whole. The reckoning is currently ongoing.
Consequences and Broad Recommendations
For biotech startups and privately-held companies, rosy stock valuations meant the cost of securing funding to expand or even go public were relatively lower. Now, as overall growth outlook is receding, there is an implication that terms for negotiations will be a little tougher.
For equity market investors, this sector would likely turn out to be rather unattractive at least until the floor via “ratio cool-offs” become more apparent. When this floor will become apparent cannot be predicted in good faith. Those already invested in this sector would do well with an increased focus on diversification into “classical themes” such as energy and financials (both of which were covered in earlier articles).
For tactical investors in Europe and Asia, on the other hand, there are a number of margin-exempt products such as Exchange Traded Products (ETPs) that can be purchased to capitalize on both the upside and the downside in short-term plays. An exploration into alternative instruments and tactical usage strategy will likely yield some measure of relief in these times.
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