Kingdon Capital Raises Stakes in XOMA Corp (XOMA) and Heron Therapeutics Inc (HRTX)

In two new filings with the U.S. Securities and Exchange Commission today, Kingdon Capital, led by Mark Kingdon, disclosed that it upped its passive stakes in both XOMA Corp (NASDAQ:XOMA) and Heron Therapeutics Inc (NASDAQ:HRTX). Kingdon Capital reported holding 10.82 million shares of XOMA Corp (NASDAQ:XOMA), up from 7.57 million shares the fund held as of the end of the first quarter. The stake is equal to 9.19% of the company’s common stock. The fund was bullish on XOMA Corp (NASDAQ:XOMA) during the first quarter, boosting its ownership in the company by 24%, and that is clearly continuing into the second quarter. Meanwhile, Kingdon Capital also boosted its stake in Heron Therapeutics Inc (NASDAQ:HRTX), to 2.83 million shares from the 615,851 shares it held as of March 31. The stake is equivalent to 9.56% of the company’s common stock.

Mark Kingdon - Kingdon Capital

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Kingdon Capital was founded by Mr. Mark Kingdon in 1983. The fund employs fundamental and technical analysis, and a top-down approach to select economies and industries for investment. From its inception through 2011, Kingdon Capital Management had an annualized return of 16.6%. In its latest 13F, the fund disclosed a public equity portfolio valued at $2.36 billion. The fund’s top holdings, in terms of value, are represented by Horizon Pharma PLC (NASDAQ:HZNP), Tyson Foods Inc. (NYSE:TSN), and Visteon Corp (NYSE:VC).

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XOMA Corp (NASDAQ:XOMA) is a late-stage biotechnology company engaged in the discovery and development of therapeutic antibodies. The company has a market cap of $425.31 million. For the first three months of 2015, XOMA Corp (NASDAQ:XOMA) booked a net loss of $21.7 million, versus a loss of $24.7 million in the same period last year. Total revenues for the quarter were $2.7 million, down from $3.4 million in the same quarter of 2014. In a partnership with French pharmaceutical research company Servier, XOMA Corp (NASDAQ:XOMA) is developing gevokizumab, the company’s lead drug to treat patients with a wide variety of inflammatory and other diseases. On May 28, XOMA Corp (NASDAQ:XOMA) announced that the gevokizumab phase 3 EYEGUARD-B study reached its target exacerbation event. The primary endpoint result is expected in approximately seven weeks, according to the company. Other shareholders with heavy positions in XOMA Corp (NASDAQ:XOMA) include Baker Bros. Advisors, led by Julian Baker and Felix Baker, holding 14.71 million shares as of the end of March, and D E Shaw, founded by David E. Shaw, which held 1.95 million shares as of March 31.

Heron Therapeutics Inc. (NASDAQ: HRTX) is a biotechnology company engaged in the development of products to address unmet medical needs. The company’s lead product is SUSTOL, which is being developed for the prevention of both acute- and delayed-onset chemotherapy-induced nausea and vomiting. The market cap of the company is $770.5 million. At the end of last month, Heron Therapeutics Inc. (NASDAQ: HRTX) announced positive results from its phase 3 MAGIC study, which assessed the efficacy and safety of SUSTOL as part of a three-drug regimen. In a statement, the company said that the study’s primary endpoint was reached, with the percentage of patients achieving a complete response being significantly higher in the SUSTOL group than the comparator group. In addition, more patients in the SUSTOL arm were satisfied with their therapy based on a quality-of-life questionnaire, according to the company.

For the first quarter of 2015, Heron Therapeutics Inc. (NASDAQ: HRTX) reported a net loss of $0.70 per share, up from a loss of $0.74 per share in the same quarter last year. Among the largest shareholders of Heron Therapeutics Inc. (NASDAQ: HRTX) is Kevin C. Tang’s Tang Capital Management, which held 4.92 million shares as of the end of the first quarter.

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