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Alnylam Pharmaceuticals ALNY

US equityMarket cap rank #427Biotechnology
$235.60 −$11.14 (-4.51%)
Market open · Oct 1, 12:20 pm ET · After hours $246.74 0.00%
Open$248.21
Prev close$246.74
Day range$233.53 – $251.71
Volume790.5K
Market cap$31.53B
P/E (TTM)41.0
Dividend yield–

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ALNY at a glance

Alnylam Pharmaceuticals (ALNY) is trading at $235.60, down 4.51% on the day. Its market value of $31.53B makes it the 427th largest of the 800 companies we follow.

Over the past 52 weeks it has traded between $197.81 and $495.55, so it sits 52.5% below the top of that range.

In the quarter ended Jun 2026 the company brought in $1.29B of revenue, up 66.9% from a year earlier, with $164.49M of net profit (a 16.1% margin).

Buyers are paying 41.0 times trailing earnings, 125% above its five-year average of 18.2. The median for its industry group is 33.2.

21 analysts follow the stock and the average call is "buy". The mean target, $369.96, sits 57.0% over where the stock trades.

This summary is put together from the numbers on the page and updates when they do. It describes the data; it is not a forecast or a recommendation.

BeStock Grade

D
BeStock Grade

Composite of 3 factors below, ranked against the 800 U.S. stocks BeStock covers.

F
Valuation

Cheaper than usual on its own 5-year P/E history scores higher.

F
Momentum

Trading closer to its 52-week high than most peers scores higher.

B
Wall Street

21 analysts, consensus Buy.

How this is scored: each factor above is a 0–100 percentile rank against every other stock BeStock covers (or, for Wall Street, against the five-point Strong Buy–Sell scale). The overall grade is the plain average of whichever factors apply to this stock — no factor is weighted more than another. That average maps to a letter: A ≥ 85, B ≥ 70, C ≥ 50, D ≥ 30, otherwise F. Recomputed from the data on this page as prices and filings update — it describes where a stock ranks today, not a forecast, and not a BeStock recommendation to buy or sell.

ALNY is not currently one of the 10 holdings in BeStock Momentum, our rules-based momentum strategy.

Since 2020-07-06, the strategy has returned 1524.8% (321.7% for the equal-weight average of BeStock’s coverage over the same stretch). Holdings can change any trading day, not just on a fixed schedule. Backtested performance, updated weekly — not a guarantee of future results, and not a BeStock recommendation.

Price Forecast

What Wall Street analysts and Morningstar's fair-value model expect for the stock

Analyst price target (avg)$369.96+57.0% vs. current price
Consensus ratingBuy21 analysts covering
Morningstar fair value$299.00Price is below fair value

Wall Street’s average 12-month target is $369.96, 57.0% above today’s price, with a consensus rating of Buy. Morningstar’s fair value model puts the stock at $299.00, so shares trade 21.2% below that estimate. On earnings multiple, it sits in the 84th percentile of its own five-year valuation range (pricier than usual).

Figures are Wall Street analyst consensus and Morningstar’s independent fair-value model, sourced as noted above.

Key statistics

Bid / Ask$235.37 / $235.85
Average price today$241.26
Volume790.5K
Turnover$190.71M
Turnover rate0.59%of shares outstanding
Volume ratio1.82vs. recent average pace
Day amplitude7.37%
Market cap$31.53B
Float market cap$31.39B
Shares outstanding133.24M
EPS (TTM)$2.33
P/E (TTM)41.05
P/B23.28
Book value / share$10.12
Earnings yield0.57%
Net profit (TTM)$311.78M
Net assets$1.35B

Quote as of Oct 1, 2026 12:20 pm ET. Prices can lag the live tape. This is background information, not a recommendation.

How ALNY ranks on BeStock

Market value#427 of 800
P/E (cheapest = 1)#679 of 717
Closeness to 52-week high#773 of 799
Dollar volume today#203 of 800

Ranks are among the 800 or so U.S.-listed stocks BeStock covers, recalculated whenever prices refresh. A tile is left out when the measure does not apply, such as yield for a stock that pays no dividend.

Set against the peer table: at 41.0x earnings, ALNY looks expensive against the market, and trades 24% above the 33.2x median among Biotechnology names. The two comparisons do not always agree.

ALNY stock: common questions

What is ALNY's latest share price?

$235.60 is the latest print for ALNY, a move of -4.51% against yesterday's close of $246.74. Today's low and high so far: $233.53 and $251.71.

How large is Alnylam Pharmaceuticals by market value?

Equity value comes to $31.53B at the current price. By that measure it is number 427 of the 800 names in our coverage.

How is Alnylam Pharmaceuticals valued against its profits?

Buyers pay 41.0 times the last twelve months of profit (EPS $2.33). Averaged over five years the multiple has been 18.2, and today's level ranks in the 84th percentile of its own history.

Is ALNY near its 52-week high or low?

The year's floor is $197.81 and the ceiling $495.55. Shares are 52.5% away from that ceiling.

Does Alnylam Pharmaceuticals pay a dividend?

Our data shows no dividend paid by Alnylam Pharmaceuticals over the trailing twelve months.

Is ALNY rated a buy by Wall Street?

Of 21 analysts, 86% say buy, 14% hold and 0% sell. Price targets average $369.96, with the most cautious at $230.00 and the most optimistic at $489.00.

BeStock publishes market data and analysis for information only. Nothing here is investment advice or a solicitation to buy or sell any security, and none of it is tailored to your financial situation, goals, or risk tolerance. Quotes may be delayed and figures can contain errors; check primary sources before you trade. How we source and calculate these pages.

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