BridgeBio Pharma (BBIO) Short Interest Ratio & Short Volume $40.09 +1.06 (+2.72%) Closing price 04:00 PM EasternExtended Trading$39.88 -0.22 (-0.54%) As of 07:42 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock BridgeBio Pharma Short Interest DataBridgeBio Pharma (BBIO) has a short interest of 22.40 million shares, representing 15.63% of the float (the number of shares available for trading by the public). This marks a 0.99% increase in short interest from the previous month. The short interest ratio (days to cover) is 7.2, indicating that it would take 7.2 days of the average trading volume of 2.48 million shares to cover all short positions.Current Short Interest22,400,000 sharesPrevious Short Interest22,180,000 sharesChange Vs. Previous Month+0.99%Dollar Volume Sold Short$755.78 millionShort Interest Ratio7.2 Days to CoverLast Record DateMay 15, 2025Outstanding Shares189,881,000 sharesShort Percent of Float15.63%Today's Trading Volume2,708,755 sharesAverage Trading Volume2,478,446 sharesToday's Volume Vs. Average109% Short Selling BridgeBio Pharma? Sign up to receive the latest short interest report for BridgeBio Pharma and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartBBIO Short Interest Over TimeBBIO Days to Cover Over TimeBBIO Percentage of Float Shorted Over Time BridgeBio Pharma Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 5/15/202522,400,000 shares $755.78 million +1.0%15.6%7.2 $33.74 4/30/202522,180,000 shares $850.82 million -0.6%N/A7 $38.36 4/15/202522,310,000 shares $763.89 million +2.8%15.6%7.7 $34.24 3/31/202521,710,000 shares $750.51 million -0.2%15.2%6.9 $34.57 3/15/202521,760,000 shares $717.43 million -1.8%15.2%7.4 $32.97 2/28/202522,160,000 shares $773.38 million +9.8%14.9%8 $34.90 2/15/202520,180,000 shares $704.28 million +7.5%14.1%7.2 $34.90 1/31/202518,780,000 shares $642.46 million -7.9%12.7%7.6 $34.21 1/15/202520,380,000 shares $713.30 million +5.6%13.8%9 $35.00 12/31/202419,300,000 shares $529.59 million +12.7%13.1%9.9 $27.44 Get the Latest News and Ratings for BBIO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for BridgeBio Pharma and its competitors with MarketBeat's FREE daily newsletter. 12/15/202417,120,000 shares $470.63 million +0.7%11.6%8.4 $27.49 11/30/202417,000,000 shares $460.53 million -1.1%11.5%8.1 $27.09 11/15/202417,190,000 shares $407.75 million -0.1%11.7%7.3 $23.72 10/31/202417,200,000 shares $402.65 million -3.3%11.7%8.8 $23.41 10/15/202417,780,000 shares $451.26 million -4.6%12.1%9.3 $25.38 9/30/202418,630,000 shares $474.32 million -5.0%12.7%9.9 $25.46 9/15/202419,610,000 shares $513.39 million +10.7%13.4%8.9 $26.18 8/31/202417,710,000 shares $493.22 million -1.7%12.6%8.6 $27.85 8/15/202418,020,000 shares $449.78 million -9.7%12.8%9.9 $24.96 7/31/202419,960,000 shares $517.96 million -5.2%14.2%10.6 $25.95 7/15/202421,050,000 shares $586.03 million +5.3%15.0%10.9 $27.84 6/30/202420,000,000 shares $506.60 million +20.1%14.2%10.3 $25.33 6/15/202416,660,000 shares $464.15 million +0.2%11.8%9.1 $27.86 5/31/202416,630,000 shares $465.81 million +5.4%11.9%10.4 $28.01 5/15/202415,780,000 shares $472.93 million -2.8%11.3%9.6 $29.97 4/30/202416,230,000 shares $415.81 million +7.7%11.5%9.7 $25.62 4/15/202415,070,000 shares $388.35 million +5.5%10.9%8.9 $25.77 3/31/202414,280,000 shares $441.54 million +6.5%10.3%8.3 $30.92 3/15/202413,410,000 shares $369.58 million -1.7%9.8%7.3 $27.56 2/29/202413,640,000 shares $465.81 million -2.6%10.0%7.1 $34.15 2/15/202414,000,000 shares $549.22 million -1.5%10.8%7.9 $39.23 1/31/202414,210,000 shares $487.26 million -11.9%11.1%8.3 $34.29 1/15/202416,120,000 shares $623.84 million -5.6%12.6%9.7 $38.70 12/31/202317,080,000 shares $689.52 million -0.1%13.3%11 $40.37 12/15/202317,090,000 shares $672.83 million +7.1%13.3%11.4 $39.37 11/30/202315,960,000 shares $458.21 million -2.0%12.8%11.2 $28.71 11/15/202316,280,000 shares $480.59 million +1.9%13.0%10.8 $29.52 10/31/202315,970,000 shares $415.86 million -0.6%12.7%9.9 $26.04 10/15/202316,060,000 shares $418.84 million +4.8%13.7%9 $26.08 9/30/202315,320,000 shares $403.99 million -4.1%13.1%5.1 $26.37Trump’s Exec Order #14154 could be a “Millionaire-Maker” (Ad)Former Presidential Advisor, Jim Rickards, says Trump could “rewire our economy and hand millions of Americans a chance at true financial independence in the months ahead.” We recently sat down with Rickards to capture all the key details on tape. For the moment, you can watch this interview free of charge – just click here. 9/15/202315,980,000 shares $465.50 million +4.2%13.6%5.2 $29.13 8/31/202315,330,000 shares $458.52 million -2.1%13.1%4.9 $29.91 8/15/202315,660,000 shares $477.00 million +8.5%13.4%5.1 $30.46 7/31/202314,430,000 shares $505.19 million -2.6%12.3%4.7 $35.01 7/15/202314,820,000 shares $270.02 million -0.6%12.8%5 $18.22 6/30/202314,910,000 shares $256.45 million +13.2%12.8%8.1 $17.20 6/15/202313,170,000 shares $204.40 million -2.5%11.3%6 $15.52 5/31/202313,510,000 shares $185.36 million +1.7%11.7%5.9 $13.72 5/15/202313,290,000 shares $197.22 million -6.4%11.5%4.2 $14.84 4/30/202314,200,000 shares $206.18 million -4.6%12.2%4.4 $14.52 4/15/202314,890,000 shares $219.48 million -1.8%12.8%4.7 $14.74 3/31/202315,160,000 shares $251.35 million -13.5%13.4%4.9 $16.58 3/15/202317,520,000 shares $249.66 million +4.6%15.5%6.3 $14.25 2/28/202316,750,000 shares $191.29 million +2.5%15.7%7.3 $11.42 2/15/202316,350,000 shares $199.47 million -12.3%15.3%11.7 $12.20 1/31/202318,650,000 shares $173.07 million +1.3%17.5%14.1 $9.28 1/15/202318,410,000 shares $161.09 million -3.1%17.3%14.7 $8.75 12/30/202219,000,000 shares $144.78 million -1.1%17.9%14.7 $7.62 12/15/202219,210,000 shares $171.16 million -4.5%18.1%14.8 $8.91 11/30/202220,110,000 shares $188.43 million -3.6%18.9%13.3 $9.37 11/15/202220,860,000 shares $217.99 million -6.5%19.7%13 $10.45 10/31/202222,310,000 shares $232.69 million -3.5%21.1%13.4 $10.43 10/15/202223,120,000 shares $228.43 million +0.6%22.0%11.2 $9.88 9/30/202222,980,000 shares $228.42 million -1.2%21.9%11 $9.94 9/15/202223,250,000 shares $277.61 million +0.6%22.2%10.6 $11.94 8/31/202223,110,000 shares $242.66 million +2.9%22.1%10.5 $10.50 8/15/202222,460,000 shares $259.64 million +1.7%21.4%10.2 $11.56 7/31/202222,080,000 shares $191.21 million +5.7%21.1%9.2 $8.66 7/15/202220,900,000 shares $187.89 million -0.3%20.0%10 $8.99 6/30/202220,970,000 shares $190.41 million -0.2%20.1%9.8 $9.08 6/15/202221,020,000 shares $141.67 million +6.0%20.1%9.8 $6.74 5/31/202219,830,000 shares $135.44 million +0.5%19.2%8.3 $6.83 5/15/202219,740,000 shares $130.68 million +1.8%19.1%7.8 $6.62 4/30/202219,400,000 shares $155.59 million +2.7%18.8%7.8 $8.02 4/15/202218,900,000 shares $207.52 million -2.1%18.3%7.3 $10.98 3/31/202219,300,000 shares $195.90 million +11.8%18.7%7 $10.15 3/15/202217,270,000 shares $146.97 million +0.3%16.8%3.6 $8.51 2/28/202217,220,000 shares $134.32 million +10.0%16.7%4 $7.80 2/15/202215,650,000 shares $139.44 million +0.5%15.2%3.8 $8.91 1/31/202215,580,000 shares $153.77 million +10.1%15.1%4.1 $9.87 1/15/202214,150,000 shares $180.41 million -2.8%13.7%4.1 $12.75 12/31/202114,550,000 shares $242.69 million +18.4%14.1%4.6 $16.68 12/15/202112,290,000 shares $476.61 million +6.0%11.9%9.1 $38.78 11/30/202111,590,000 shares $469.40 million -1.0%11.2%13.9 $40.50 11/15/202111,710,000 shares $563.95 million -1.5%11.3%14.6 $48.16 10/29/202111,890,000 shares $587.13 million +6.7%11.5%15.2 $49.38 10/15/202111,140,000 shares $534.50 million +1.6%10.5%13.9 $47.98 9/30/202110,960,000 shares $513.70 million -4.9%10.4%13 $46.87 9/15/202111,530,000 shares $558.74 million -1.5%10.9%13.9 $48.46 8/31/202111,710,000 shares $586.79 million +7.8%11.1%14 $50.11The Robotics Revolution has arrived … and one $7 stock could take off as a result. (Ad)It could very well mark the beginning of a new multitrillion-dollar industrial revolution. Up until now, we've imagined robots doing things like cleaning our homes, serving drinks at restaurants, greeting guests in hotel lobbies, stacking shelves in warehouses, and so on. Very soon, there will be a robot that won't do any of that. However, it's impact on the US economy and society will be FAR greater than anything we ever imagined.This little-known company holds nearly 100 patents and trades for around $7 8/13/202110,860,000 shares $544.30 million -6.2%10.3%12.7 $50.12 7/30/202111,580,000 shares $618.95 million +2.6%11.1%13.1 $53.45 7/15/202111,290,000 shares $669.95 million +1.4%10.8%13.1 $59.34 6/30/202111,140,000 shares $679.09 million +6.3%10.7%13.2 $60.96 6/15/202110,480,000 shares $654.69 million +0.9%10.0%12.8 $62.47 5/28/202110,390,000 shares $615.09 million -5.1%10.0%14 $59.20 5/14/202110,950,000 shares $555.38 million -1.0%10.5%13 $50.72 4/30/202111,060,000 shares $611.29 million +3.4%10.6%12.7 $55.27 4/15/202110,700,000 shares $596.53 million +2.0%10.3%10.3 $55.75 3/31/202110,490,000 shares $620.17 million -8.7%10.1%10.1 $59.12 3/15/202111,490,000 shares $815.10 million +2.2%11.0%11.3 $70.94 2/26/202111,240,000 shares $732.06 million -0.8%10.8%11.5 $65.13 2/12/202111,330,000 shares $762.17 million -4.4%12.0%12.8 $67.27 1/29/202111,850,000 shares $667.16 million -0.4%15.9%13.9 $56.30 1/15/202111,900,000 shares $829.79 million +10.7%15.9%15.5 $69.73 12/31/202010,750,000 shares $753.25 million -2.1%14.4%16.6 $70.07 12/15/202010,980,000 shares $671.98 million No Change14.7%15.7 $61.20 11/30/202010,980,000 shares $539.45 million +1.9%14.8%14.4 $49.13 11/15/202010,780,000 shares $469.15 million +0.2%14.5%15 $43.52 10/30/202010,760,000 shares $419.75 million -2.5%36.3%16.1 $39.01 10/15/202011,040,000 shares $424.27 million +3.8%37.5%17.1 $38.43 9/30/202010,640,000 shares $399.21 million -3.5%14.3%17.3 $37.52 9/15/202011,020,000 shares $407.63 million -2.5%14.9%19.6 $36.99 8/31/202011,300,000 shares $337.42 million -4.5%15.3%19.7 $29.86 8/14/202011,830,000 shares $337.51 million +0.9%16.0%18.3 $28.53 7/31/202011,730,000 shares $330.08 million -0.1%16.1%17.7 $28.14 7/15/202011,740,000 shares $329.31 million +4.0%16.1%17.4 $28.05 6/30/202011,290,000 shares $367.94 million +29.2%15.5%15.2 $32.59 6/15/20208,740,000 shares $250.58 million -1.8%12.0%11.2 $28.67 BBIO Short Interest - Frequently Asked Questions What is BridgeBio Pharma's current short interest? Short interest is the volume of BridgeBio Pharma shares that have been sold short but have not yet been closed out or covered. As of May 15th, investors have sold 22,400,000 shares of BBIO short. 15.63% of BridgeBio Pharma's shares are currently sold short. Learn More on BridgeBio Pharma's current short interest. What is a good short interest ratio for BridgeBio Pharma? 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. BBIO shares currently have a short interest ratio of 7.0. Learn More on BridgeBio Pharma's short interest ratio. Which institutional investors are shorting BridgeBio Pharma? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of BridgeBio Pharma: Jane Street Group LLC, Goldman Sachs Group Inc., Parallax Volatility Advisers L.P., Caption Management LLC, Nomura Holdings Inc., Susquehanna International Group LLP, Jane Street Group LLC, Walleye Trading LLC, Walleye Capital LLC, Simplex Trading LLC, Wolverine Asset Management LLC, Belvedere Trading LLC, and Portman Square Capital LLP. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for BridgeBio Pharma? 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. 15.63% of BridgeBio Pharma's floating shares are currently sold short. Is BridgeBio Pharma's short interest increasing or decreasing? BridgeBio Pharma saw a increase in short interest in the month of May. As of May 15th, there was short interest totaling 22,400,000 shares, an increase of 1.0% from the previous total of 22,180,000 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 BridgeBio Pharma's short interest compare to its competitors? 15.63% of BridgeBio Pharma's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to BridgeBio Pharma: Teva Pharmaceutical Industries Limited (3.43%), Intra-Cellular Therapies, Inc. (2.58%), Genmab A/S (0.45%), Summit Therapeutics Inc. (29.82%), Dr. Reddy's Laboratories Limited (1.83%), Ascendis Pharma A/S (10.33%), Moderna, Inc. (19.64%), Viatris Inc. (4.53%), Qiagen (2.81%), Blueprint Medicines Co. (9.26%), 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 ($29.20 billion), Strategy Incorporated ($10.88 billion), iShares 20+ Year Treasury Bond ETF ($10.04 billion), Capital One Financial Co. ($5.51 billion), Charter Communications, Inc. ($5.00 billion), Super Micro Computer, Inc. ($4.43 billion), Apollo Global Management, Inc. ($4.02 billion), Hims & Hers Health, Inc. ($3.65 billion), VanEck Semiconductor ETF ($3.27 billion), and Coinbase Global, Inc. ($3.10 billion). View all of the most shorted stocks. What does it mean to sell short BridgeBio Pharma stock? Short selling BBIO is an investing strategy that aims to generate trading profit from BridgeBio Pharma as its price is falling. BBIO shares are trading up $1.14 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 BridgeBio Pharma? A short squeeze for BridgeBio Pharma 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 BBIO, which in turn drives the price of the stock up even further. How often is BridgeBio Pharma'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 BBIO, twice per month. The most recent reporting period available is May, 15 2025. More Short Interest Resources from MarketBeat Related Companies TEVA Short Squeeze ITCI Short Squeeze GMAB Short Squeeze SMMT Short Squeeze RDY Short Squeeze ASND Short Squeeze MRNA Short Squeeze VTRS Short Squeeze QGEN Short Squeeze BPMC Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:BBIO) was last updated on 6/10/2025 by MarketBeat.com Staff From Our PartnersBanks aren’t ready for this altcoin—are you?While everyone's distracted by Bitcoin's moves, a stealth revolution is underway. One altcoin is quietly po...Crypto 101 Media | SponsoredSilicon Valley Gold RushA new technology has sparked a modern-day gold rush in Silicon Valley. OpenAI’s Sam Altman invested $375M. Bil...Stansberry Research | SponsoredElon’s NEXT Big IPO?Cancel your internet TODAY!? 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But did you know his successor ha...Altimetry | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added five stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding BridgeBio Pharma, Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share BridgeBio Pharma With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. 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