Major Biotechs See Rising Tide in Short Interest

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The short interest data are out for the most recent settlement date, March 15. Generally speaking, companies within the biotech industry are considered to be a riskier group of stocks, with big potential upside and big potential downside.

As we have said before, FDA rulings can make or break the biotech stocks, and short sellers and mega-bulls often go to war against each other in these companies. After all, if a single failed clinical trial can mean disaster for a stock, then some short sellers can argue for a stock implosion down the road.

24/7 Wall St. has reviewed the top biotech companies, without focusing on speculative companies. The March 15 short interest data have been compared with the previous report, and short interest in most of the selected biotech stocks increased.

Amgen Inc. (NASDAQ: AMGN) saw its short interest rise to 19.69 million shares from the previous level of 10.36 million. Shares were last seen at $175.19, in a 52-week trading range of $152.16 to $201.23.

Short interest in Biogen Inc. (NASDAQ: BIIB) increased to 3.53 million shares from the previous 3.47 million. The stock recently traded at $268.20, within a 52-week range of $244.28 to $370.57.

Celgene Corp.’s (NASDAQ: CELG) short interest for this settlement date decreased slightly to 16.73 million shares from the previous 16.75 million. Shares were changing hands at $87.17, in a 52-week trading range of $84.95 to $147.17.

Gilead Sciences Inc. (NASDAQ: GILD) saw its short interest increase to 20.05 million shares from 19.40 million in the previous period. Shares were trading at $75.54, in a 52-week range of $63.76 to $89.54.

The number of MannKind Corp. (NASDAQ: MNKD) shares short increased to 35.52 million. The previous reading was 33.36 million. The stock was last seen at $2.54, in a 52-week range of $0.67 to $6.96.

Alexion Pharmaceuticals Inc.’s (NASDAQ: ALXN) short interest fell to 4.17 million shares, compared to the previous level of 4.36 million. Shares were trading at $111.55, in a 52-week range of $96.18 to $149.34.

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