XOMA (XOMA) Short Interest Ratio & Short Volume $24.04 -0.34 (-1.39%) As of 04/30/2025 04:00 PM Eastern Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock XOMA Short Interest DataXOMA (XOMA) has a short interest of 162,300 shares, representing 1.48% of the float (the number of shares available for trading by the public). This marks a 8.93% increase in short interest from the previous month. The short interest ratio (days to cover) is 4.5, indicating that it would take 4.5 days of the average trading volume of 27,982 shares to cover all short positions.Current Short Interest162,300 sharesPrevious Short Interest149,000 sharesChange Vs. Previous Month+8.93%Dollar Volume Sold Short$3.38 millionShort Interest Ratio4.5 Days to CoverLast Record DateApril 15, 2025Outstanding Shares11,953,000 sharesShort Percent of Float1.48%Today's Trading Volume34,173 sharesAverage Trading Volume27,982 sharesToday's Volume Vs. Average122% Short Selling XOMA? Sign up to receive the latest short interest report for XOMA and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartXOMA Short Interest Over TimeXOMA Days to Cover Over TimeXOMA Percentage of Float Shorted Over Time XOMA Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/15/2025162,300 shares $3.38 million +8.9%1.5%4.5 $20.80 3/31/2025149,000 shares $2.97 million -7.6%1.4%3.7 $19.93 3/15/2025161,200 shares $3.29 million -7.8%1.5%3.9 $20.43 2/28/2025174,900 shares $3.97 million +1.9%1.6%4.3 $22.70 2/15/2025171,700 shares $4.59 million +7.5%1.6%4.2 $26.76 1/31/2025159,800 shares $4.25 million -8.0%N/A3.8 $26.61 1/15/2025173,700 shares $4.88 million +15.3%N/A4.2 $28.12 12/31/2024150,700 shares $3.96 million +8.4%N/A5.1 $26.28 12/15/2024139,000 shares $3.77 million +23.5%N/A4.8 $27.15 11/30/2024112,600 shares $3.77 million -13.7%N/A4.1 $33.45 Get the Latest News and Ratings for XOMA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for XOMA and its competitors with MarketBeat's FREE daily newsletter. 11/15/2024130,400 shares $3.94 million -24.8%N/A5 $30.21 10/31/2024173,300 shares $5.23 million -23.5%N/A7.8 $30.20 10/15/2024226,400 shares $6.50 million -7.5%N/A10.4 $28.70 9/30/2024244,800 shares $6.48 million +0.2%N/A10.4 $26.48 9/15/2024244,400 shares $7.08 million No ChangeN/A9.3 $28.98 8/31/2024244,400 shares $7.15 million -5.8%N/A9.6 $29.25 8/15/2024259,400 shares $7.22 million -3.6%N/A11.1 $27.82 7/31/2024269,200 shares $7.20 million -2.9%N/A12.2 $26.76 7/15/2024277,300 shares $7.48 million +14.5%N/A14.6 $26.97 6/30/2024242,100 shares $5.74 million -3.1%N/A14.3 $23.69 6/15/2024249,800 shares $6.31 million -6.6%N/A18.1 $25.28 5/31/2024267,500 shares $6.90 million +10.0%N/A18.8 $25.79 5/15/2024243,200 shares $6.01 million -10.4%N/A16 $24.71 4/30/2024271,400 shares $6.88 million -3.7%N/A15.7 $25.34 4/15/2024281,800 shares $6.86 million +2.7%N/A14.7 $24.34 3/31/2024274,400 shares $6.60 million -0.2%N/A12.9 $24.05 3/15/2024274,800 shares $7.23 million -5.8%N/A11.2 $26.32 2/29/2024291,600 shares $7.09 million -0.5%N/A11.2 $24.31 2/15/2024293,000 shares $6.50 million -8.6%N/A10.6 $22.18 1/31/2024320,700 shares $6.40 million +13.1%N/A12.1 $19.97 1/15/2024283,600 shares $5.72 million -2.1%N/A9.1 $20.16 12/31/2023289,700 shares $5.36 million +18.3%N/A9.3 $18.50 12/15/2023244,800 shares $3.86 million -18.6%N/A8.6 $15.75 11/30/2023300,700 shares $4.46 million -3.6%N/A11.7 $14.84 11/15/2023311,800 shares $4.95 million -24.3%N/A12.7 $15.86 10/31/2023411,600 shares $7.76 million -14.2%N/A17.5 $18.85 10/15/2023479,500 shares $7.96 million -8.6%N/A23.2 $16.61 9/30/2023524,500 shares $7.39 million -17.7%N/A26.2 $14.09 9/15/2023637,500 shares $11.29 million -5.5%N/A26.8 $17.71 8/31/2023674,600 shares $9.46 million +8.6%N/A16.4 $14.02The Worst Year in American Financial History? (Ad)Economist Explains: The Curse on the U.S. Dollar Yes, there is a Curse on the U.S. Dollar... and it's behind all the chaos you've seen play out in the global economy in 2025. This curse has nothing to do with astrology or anything metaphorical. In fact, it's studied at the highest levels of finance and academia ... and VP Vance even questioned Jerome Powell about it. It's a wild money story you could soon hear everywhere. Only one investigative journalist is telling the story here.Learn the #1 move to protect your wealth now 8/15/2023621,000 shares $9.62 million -19.1%N/A13.5 $15.49 7/31/2023767,700 shares $12.09 million -2.9%N/A15.6 $15.75 7/15/2023790,800 shares $13.09 million -1.1%N/A15.6 $16.55 6/30/2023799,500 shares $15.10 million +27.0%N/A15.8 $18.89 6/15/2023629,800 shares $10.80 million +5.1%N/A12.5 $17.15 5/31/2023599,500 shares $10.19 million +5.1%N/A18.6 $17.00 5/15/2023570,400 shares $11.44 million +1.9%N/A19.9 $20.06 4/30/2023560,000 shares $10.30 million -0.7%N/A19 $18.39 4/15/2023563,800 shares $11.09 million +9.0%N/A18.6 $19.67 3/31/2023517,200 shares $10.92 million +10.7%N/A16.6 $21.11 3/15/2023467,200 shares $9.50 million +6.6%N/A15.6 $20.33 2/28/2023438,500 shares $9.33 million +2.8%N/A14.8 $21.28 2/15/2023426,400 shares $9.04 million +1.9%N/A14.8 $21.20 1/31/2023418,300 shares $8.49 million -1.3%N/A15.3 $20.29 1/15/2023423,700 shares $9.52 million +13.8%N/A19.3 $22.47 12/30/2022372,200 shares $6.85 million +11.0%N/A17 $18.40 12/15/2022335,300 shares $6.33 million -3.8%N/A18.9 $18.89 11/30/2022348,500 shares $7.38 million -1.0%N/A15.2 $21.17 11/15/2022351,900 shares $6.44 million +1.1%N/A14.4 $18.29 10/31/2022348,200 shares $5.77 million -2.2%N/A12.7 $16.56 10/15/2022356,000 shares $5.97 million -3.6%N/A11.8 $16.78 9/30/2022369,400 shares $6.62 million -3.4%N/A11.1 $17.91 9/15/2022382,500 shares $6.99 million +5.0%N/A7.4 $18.27 8/31/2022364,200 shares $7.24 million +23.5%N/A7.2 $19.88 8/15/2022294,900 shares $5.61 million +1.3%N/A5.5 $19.03 7/31/2022291,200 shares $6.84 million -13.2%3.8%5.3 $23.50 7/15/2022335,300 shares $9.91 million -3.3%4.3%5.9 $29.56 6/30/2022346,700 shares $7.72 million -27.3%4.5%6.4 $22.28 6/15/2022477,100 shares $8.35 million +4.2%6.2%9.4 $17.51 5/31/2022458,000 shares $8.34 million +10.0%N/A12.3 $18.21 5/15/2022416,400 shares $7.17 million +10.9%N/A12.1 $17.21 4/30/2022375,600 shares $7.22 million +0.3%N/A12.5 $19.23 4/15/2022374,500 shares $9.07 million -3.2%N/A14.3 $24.21 3/31/2022386,900 shares $10.83 million -19.9%3.4%14 $27.98 3/15/2022483,200 shares $12.64 million -5.9%4.3%17.7 $26.15 2/28/2022513,200 shares $11.25 million -2.4%4.8%20.6 $21.93 2/15/2022525,800 shares $10.57 million +3.7%4.9%22.1 $20.11 1/31/2022507,100 shares $10.51 million +2.2%4.7%22.9 $20.72 1/15/2022496,200 shares $11.08 million +2.3%4.6%23 $22.32 12/31/2021485,000 shares $10.11 million +36.4%4.5%24.7 $20.85 12/15/2021355,700 shares $7.49 million +13.7%3.3%17.5 $21.05 11/30/2021312,900 shares $6.42 million +6.9%2.9%14.8 $20.51 11/15/2021292,700 shares $7.67 million -6.6%2.7%12.5 $26.21 10/29/2021313,500 shares $7.84 million +1.4%2.9%12.9 $25.00 10/15/2021309,200 shares $7.97 million -16.0%2.9%12.5 $25.79 9/30/2021368,100 shares $9.11 million -3.6%3.4%15.1 $24.75 9/15/2021381,900 shares $9.29 million +0.0%3.6%13.7 $24.32 8/31/2021381,800 shares $11.88 million +6.3%3.6%13.8 $31.12 8/13/2021359,100 shares $10.60 million -4.3%3.4%14.5 $29.52 7/30/2021375,200 shares $12.16 million +3.4%3.5%15 $32.40The Worst Year in American Financial History? (Ad)Economist Explains: The Curse on the U.S. Dollar Yes, there is a Curse on the U.S. Dollar... and it's behind all the chaos you've seen play out in the global economy in 2025. This curse has nothing to do with astrology or anything metaphorical. In fact, it's studied at the highest levels of finance and academia ... and VP Vance even questioned Jerome Powell about it. It's a wild money story you could soon hear everywhere. Only one investigative journalist is telling the story here.Learn the #1 move to protect your wealth now 7/15/2021362,900 shares $11.71 million +7.1%3.4%12.9 $32.28 6/30/2021338,900 shares $11.52 million -5.3%3.2%11.4 $34.00 6/15/2021358,000 shares $10.99 million +4.3%3.4%7 $30.71 5/28/2021343,400 shares $10.12 million +6.6%3.2%6.4 $29.47 5/14/2021322,300 shares $9.44 million -2.7%N/A6 $29.29 4/30/2021331,100 shares $12.25 million +0.7%N/A5.9 $36.99 4/15/2021328,800 shares $12.28 million -21.6%N/A5.6 $37.35 3/31/2021419,200 shares $16.77 million +27.5%N/A7.2 $40.00 3/15/2021328,900 shares $13.46 million -2.1%N/A8.3 $40.91 2/26/2021335,800 shares $12.16 million +6.1%N/A7.9 $36.20 2/12/2021316,600 shares $12.28 million -37.7%N/A7.2 $38.78 1/29/2021508,500 shares $19.22 million +1.1%N/A11.4 $37.79 1/15/2021503,100 shares $20.11 million -3.3%N/A11.7 $39.98 12/31/2020520,200 shares $23.17 million +17.8%N/A12.5 $44.54 12/15/2020441,800 shares $18.01 million -20.9%N/A11 $40.76 11/30/2020558,800 shares $17.91 million -5.6%N/A16.8 $32.05 10/30/2020583,600 shares $14.55 million -5.9%N/A17.7 $24.93 10/15/2020619,900 shares $12.47 million -10.1%N/A18.8 $20.12 9/30/2020689,200 shares $12.98 million -0.1%N/A19.1 $18.84 9/15/2020689,900 shares $14.32 million 0.0%N/A12.7 $20.76 8/31/2020690,000 shares $13.12 million -2.0%N/A12.6 $19.02 8/14/2020704,300 shares $13.61 million +0.5%N/A12.8 $19.32 7/31/2020700,600 shares $11.70 million +1.9%N/A12.3 $16.70 7/15/2020687,300 shares $12.18 million +26.4%N/A11.9 $17.72 6/30/2020543,700 shares $10.74 million +42.1%N/A9.5 $19.76 6/15/2020382,600 shares $8.11 million +1.2%N/A8.4 $21.21 5/29/2020378,000 shares $8.03 million +5.0%N/A7.5 $21.24 5/15/2020360,100 shares $7.05 million -25.2%N/A7.1 $19.58 XOMA Short Interest - Frequently Asked Questions What is XOMA's current short interest? Short interest is the volume of XOMA shares that have been sold short but have not yet been covered or closed out. As of April 15th, traders have sold 162,300 shares of XOMA short. 1.48% of XOMA's shares are currently sold short. Learn More on XOMA's current short interest. What is a good short interest ratio for XOMA? The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. XOMA shares currently have a short interest ratio of 4.0. Learn More on XOMA's short interest ratio. Which institutional investors are shorting XOMA? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of XOMA: Group One Trading LLC, Citadel Advisors LLC, and Concourse Financial Group Securities Inc.. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for XOMA? Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 1.48% of XOMA's floating shares are currently sold short. Is XOMA's short interest increasing or decreasing? XOMA saw a increase in short interest in April. As of April 15th, there was short interest totaling 162,300 shares, an increase of 8.9% from the previous total of 149,000 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment. How does XOMA's short interest compare to its competitors? 1.48% of XOMA's shares are currently sold short. Here is how the short interest of companies in the industry of "biotechnology" compare to XOMA: Innoviva, Inc. (14.38%), Novavax, Inc. (25.87%), OPKO Health, Inc. (11.52%), Geron Co. (10.62%), Myriad Genetics, Inc. (5.79%), Verastem, Inc. (19.33%), Rigel Pharmaceuticals, Inc. (10.70%), Emergent BioSolutions Inc. (17.24%), Vanda Pharmaceuticals Inc. (8.97%), Regulus Therapeutics Inc. (3.97%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Invesco QQQ ($21.71 billion), iShares 20+ Year Treasury Bond ETF ($9.48 billion), Strategy Incorporated ($8.92 billion), Charter Communications, Inc. ($3.86 billion), Apollo Global Management, Inc. ($3.86 billion), Capital One Financial Co. ($3.72 billion), Super Micro Computer, Inc. ($3.47 billion), AppLovin Co. ($2.64 billion), VanEck Semiconductor ETF ($2.46 billion), and The Kroger Co. ($2.33 billion). View all of the most shorted stocks. What does it mean to sell short XOMA stock? Short selling XOMA is an investing strategy that aims to generate trading profit from XOMA as its price is falling. XOMA shares are trading down $0.34 today. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit. How does a short squeeze work against XOMA? A short squeeze for XOMA occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of XOMA, which in turn drives the price of the stock up even further. How often is XOMA's short interest reported? Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including XOMA, twice per month. The most recent reporting period available is April, 15 2025. More Short Interest Resources from MarketBeat Related Companies Innoviva Short Interest Novavax Short Interest OPKO Health Short Interest Geron Short Interest Myriad Genetics Short Interest Verastem Short Interest Rigel Pharmaceuticals Short Interest Emergent BioSolutions Short Interest Vanda Pharmaceuticals Short Interest Regulus Therapeutics Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:XOMA) was last updated on 5/1/2025 by MarketBeat.com Staff From Our PartnersHow to invest in Elon Musk’s Optimus before its launchElon Musk is set to completely take over the AI industry with Optimus… A breakthrough AI-powered robot that El...InvestorPlace | SponsoredIs he more powerful than Trump? Is there anybody more powerful than Donald Trump right now? 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