Contrasting Abiomed (NASDAQ:ABMD) and Isoray (NYSE:ISR)

Abiomed (NASDAQ:ABMDGet Rating) and Isoray (NYSE:ISRGet Rating) are both medical companies, but which is the superior business? We will compare the two companies based on the strength of their profitability, dividends, earnings, risk, analyst recommendations, valuation and institutional ownership.

Risk & Volatility

Abiomed has a beta of 1.34, suggesting that its stock price is 34% more volatile than the S&P 500. Comparatively, Isoray has a beta of 1.02, suggesting that its stock price is 2% more volatile than the S&P 500.


This table compares Abiomed and Isoray’s net margins, return on equity and return on assets.

Net Margins Return on Equity Return on Assets
Abiomed 13.23% 14.47% 13.02%
Isoray -56.86% -9.60% -9.18%

Institutional and Insider Ownership

92.0% of Abiomed shares are owned by institutional investors. Comparatively, 12.4% of Isoray shares are owned by institutional investors. 3.0% of Abiomed shares are owned by company insiders. Comparatively, 2.4% of Isoray shares are owned by company insiders. Strong institutional ownership is an indication that large money managers, endowments and hedge funds believe a company is poised for long-term growth.

Analyst Ratings

This is a summary of current recommendations and price targets for Abiomed and Isoray, as provided by

Sell Ratings Hold Ratings Buy Ratings Strong Buy Ratings Rating Score
Abiomed 1 2 1 0 2.00
Isoray 0 0 0 0 N/A

Abiomed currently has a consensus price target of $335.00, indicating a potential upside of 42.10%. Given Abiomed’s higher probable upside, analysts plainly believe Abiomed is more favorable than Isoray.

Earnings and Valuation

This table compares Abiomed and Isoray’s gross revenue, earnings per share and valuation.

Gross Revenue Price/Sales Ratio Net Income Earnings Per Share Price/Earnings Ratio
Abiomed $1.03 billion 10.40 $136.51 million $2.96 79.65
Isoray $10.05 million 4.26 -$3.39 million ($0.05) -6.02

Abiomed has higher revenue and earnings than Isoray. Isoray is trading at a lower price-to-earnings ratio than Abiomed, indicating that it is currently the more affordable of the two stocks.


Abiomed beats Isoray on 13 of the 13 factors compared between the two stocks.

Abiomed Company Profile (Get Rating)

Abiomed, Inc. engages in the research, development, and sale of medical devices to assist or replace the pumping function of the failing heart. It also provides a continuum of care to heart failure patients. The company offers Impella 2.5, a percutaneous micro heart pump with integrated motor and sensors; and Impella CP, a device for use by interventional cardiologists to support patients in the cath lab, as well as by cardiac surgeons in the heart surgery suite. It also provides Impella 5.0, Impella LD, and Impella 5.5, which are percutaneous micro heart pumps with integrated motors and sensors for use primarily in the heart surgery suite; Impella RP, a percutaneous catheter-based axial flow pump; Impella SmartAssist platform that includes optical sensor technology for improved pump positioning and the use of algorithms that enable improved native heart assessment during the weaning process; Impella Connect, a cloud-based technology that enables secure and remote viewing of the Automated Impella Controller for physicians and hospital staffs; and OXY-1 System, a portable external respiratory assistance device. In addition, the company is developing Impella ECP, a pump for blood flow of greater than three liters per minute; Impella XR Sheath, a sheath that expands and recoils allowing small bore access and closure with Impella heart pumps; and Impella BTR, a percutaneous micro heart pump with integrated motors and sensors. Abiomed, Inc. sells its products through direct sales and clinical support personnel in the United States, Japan, Europe, Canada, Latin America, the Asia-Pacific, and the Middle East. The company was founded in 1981 and is headquartered in Danvers, Massachusetts.

Isoray Company Profile (Get Rating)

Isoray, Inc., through its subsidiary, IsoRay Medical, Inc., develops, manufactures, and sells isotope-based medical products and devices for the treatment of cancer and other malignant diseases in the United States and internationally. The company offers CS-1 Cesium-131 brachytherapy seeds for the treatment of prostate, brain, lung, head and neck, gynecological, pelvic/abdominal, and colorectal cancers. It sells its products to facilities or physician practices that utilize various surgical facilities. Isoray, Inc. was founded in 1998 and is based in Richland, Washington.

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