Rallybio (RLYB) Institutional Ownership $0.33 -0.01 (-3.70%) As of 12:33 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Rallybio (NASDAQ:RLYB)CurrentInstitutional OwnershipPercentage90.34%Number ofInstitutional Buyers(last 12 months)10TotalInstitutional Inflows(last 12 months)$6.55MNumber ofInstitutional Sellers(last 12 months)5TotalInstitutional Outflows(last 12 months)$781.29K Get RLYB Insider Trade Alerts Want to know when executives and insiders are buying or selling Rallybio stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address Skip Chart & View Institutional Buying and Selling Data RLYB Institutional Buying and Selling by Quarter Rallybio Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/16/2025 Allostery Investments LP752,235$492K0.7%-6.4%1.808% 4/9/2025 Canaan Partners XI LLC1,532,552$1.00M1.5%-9.7%3.683% 2/17/2025 Northeast Financial Consultants Inc96,422$93K0.0%+336.5%0.232% 2/17/2025 Allostery Investments LP803,398$771K0.8%N/A1.936% 2/17/2025 Almitas Capital LLC1,298,119$1.25M0.3%+48.3%3.129% 2/13/2025 Renaissance Technologies LLC441,318$424K0.0%+9.3%1.064% 1/21/2025 Canaan Partners XI LLC1,697,684$1.63M2.1%-11.2%4.092% 11/16/2024 Geode Capital Management LLC244,986$287K0.0%+11.4%0.590% 11/15/2024 Jane Street Group LLC22,275$26K0.0%-58.0%0.054% 11/15/2024 Point72 Asia Singapore Pte. Ltd.22,119$26K0.0%-51.4%0.053% Get the Latest News and Ratings for RLYB and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Rallybio and its competitors with MarketBeat's FREE daily newsletter. 11/13/2024 FMR LLC2,315,480$2.71M0.0%+1.1%5.581% 10/16/2024 Canaan Partners XI LLC1,910,987$2.24M1.9%-7.2%4.610% 9/16/2024 Point72 Asia Singapore Pte. Ltd.45,531$61K0.0%N/A0.110% 8/16/2024 Almitas Capital LLC100,876$135K0.1%N/A0.243% 8/15/2024 Point72 Asia Singapore Pte. Ltd.45,531$61K0.0%N/A0.110% 8/12/2024 Hsbc Holdings PLC17,531$25K0.0%N/A0.042% 8/9/2024 Renaissance Technologies LLC340,700$457K0.0%-30.2%0.822% 8/9/2024 Johnson & Johnson3,636,363$4.87M1.2%N/A8.773% 8/6/2024Acadian Asset Management LLC67,695$89K0.0%+116.3%0.163% 5/10/2024Acadian Asset Management LLC31,294$57K0.0%N/A0.083% 5/10/2024 Vanguard Group Inc.1,076,771$1.99M0.0%+1.2%2.848% 1/31/2024 abrdn plc1,727,067$4.13M0.0%N/A4.570% 1/12/2024 SG Americas Securities LLC16,813$40K0.0%N/A0.044% 11/13/2023CHI Advisors LLC390,734$1.32M0.4%-28.0%1.034% 11/13/2023 Mariner LLC408,180$1.38M0.0%-32.7%1.080% 11/8/2023 Financial Security Advisor Inc.50,278$169K0.1%N/A0.133% 9/21/2023 Barclays PLC6,103$35K0.0%-36.3%0.016% 8/22/2023CHI Advisors LLC542,774$3.07M0.9%-28.6%1.436% 8/15/2023 Caas Capital Management LP31,470$178K0.0%-80.8%0.083% 8/11/2023 Sectoral Asset Management Inc.375,960$2.13M0.4%-31.9%0.995% 8/4/2023 American International Group Inc.14,715$83K0.0%+62.0%0.039% 5/12/2023 Sectoral Asset Management Inc.551,937$3.15M0.6%-11.0%1.450% 5/11/2023CHI Advisors LLC760,543$4.34M1.2%+4.7%1.997% 4/24/2023 DekaBank Deutsche Girozentrale30,000$168K0.0%N/A0.079% 2/10/2023 Sectoral Asset Management Inc.619,891$4.07M0.8%+165.6%1.935% 2/10/2023Tekla Capital Management LLC1,727,067$11.35M0.4%-0.8%5.392% 2/6/2023 New Leaf Venture Partners L.L.C.3,301,603$21.69M15.7%+43.4%10.308% 2/1/2023 Canaan Partners XI LLC2,059,712$13.53M10.6%-14.5%6.431% 11/15/2022 Northeast Financial Consultants Inc13,066$189K0.0%N/A0.041% 11/14/2022 MetLife Investment Management LLC10,279$149K0.0%N/A0.032% Musk’s Project Colossus could mint millionaires (Ad)I predict this single breakthrough could make Elon the world’s first trillionaire — and mint more new millionaires than any tech advance in history. And for a limited time, you have the chance to claim a stake in this project, even though it’s housed inside Elon’s private company, xAI.All the details are waiting for you now — but you need to act before the May 1st funding window clos11/8/2022 New York State Common Retirement Fund10,337$150K0.0%-19.8%0.032% 11/1/2022Tekla Capital Management LLC1,740,931$25.19M1.0%-9.8%5.418% 8/15/2022 Laurion Capital Management LP402,000$3.04M0.0%+0.5%1.251% 8/11/2022 Alps Advisors Inc.19,060$144K0.0%N/A0.059% 7/29/2022Tekla Capital Management LLC1,931,120$14.58M0.6%-12.0%6.010% 5/27/2022 Walleye Capital LLC59,543$416K0.0%N/A0.185% 5/13/2022Tekla Capital Management LLC2,195,010$15.32M0.5%-4.9%6.832% 5/10/2022 Sectoral Asset Management Inc.385,069$2.69M0.5%+27.8%1.198% 2/9/2022 AJU IB Investment Co. Ltd.754,678$7.20M10.0%N/A2.349% 2/8/2022 Northern Trust Corp61,571$588K0.0%+7.1%0.192% 2/3/2022 Canaan Partners XI LLC2,409,712$22.99M5.9%N/A7.500% 1/28/2022 Allspring Global Investments Holdings LLC2,914$27K0.0%N/A0.009% 11/16/2021 Laurion Capital Management LP400,000$7.03M0.0%N/A1.245% 11/15/2021 Viking Global Investors LP4,194,777$73.74M0.2%N/A13.056% 11/15/2021 Sectoral Asset Management Inc527,136$9.27M0.8%N/A1.641% 11/15/2021 Caas Capital Management LP10,000$176K0.0%N/A0.031% 11/12/2021 New Leaf Venture Partners L.L.C.2,301,603$40.46M11.7%N/A7.163% 11/12/2021 Geode Capital Management LLC69,963$1.23M0.0%N/A0.218% 11/9/2021BlackRock Inc.292,204$5.14M0.0%N/A0.909% 11/4/2021 Deutsche Bank AG4,139$73K0.0%N/A0.013% 11/2/2021 New York State Common Retirement Fund4,396$77K0.0%N/A0.014% (Data available from 1/1/2016 forward) RLYB Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of RLYB shares? During the previous two years, 22 institutional investors and hedge funds held shares of Rallybio. The most heavily invested institutionals were Johnson & Johnson ($4.87M), abrdn plc ($4.13M), FMR LLC ($2.71M), Sectoral Asset Management Inc. ($2.13M), Vanguard Group Inc. ($1.99M), Mariner LLC ($1.38M), and CHI Advisors LLC ($1.32M).Learn more on RLYB's institutional investors. What percentage of Rallybio stock is owned by institutional investors? 90.34% of Rallybio stock is owned by institutional investors. Learn more on RLYB's institutional investor holdings. Which institutional investors have been buying Rallybio stock? Of the 15 institutional investors that purchased Rallybio stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Johnson & Johnson ($3.64M), abrdn plc ($1.73M), Allostery Investments LP ($803.40K), Almitas Capital LLC ($523.56K), Point72 Asia Singapore Pte. Ltd. ($91.06K), Northeast Financial Consultants Inc ($74.33K), and Acadian Asset Management LLC ($67.70K). How much institutional buying is happening at Rallybio? Institutional investors have bought a total of 7,114,557 shares in the last 24 months. This purchase volume represents approximately $11.00M in transactions. Which Rallybio major shareholders have been selling company stock? Of the 10 institutional investors that sold Rallybio stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Canaan Partners XI LLC ($527.16K), CHI Advisors LLC ($369.81K), Mariner LLC ($198.30K), Sectoral Asset Management Inc. ($175.98K), Renaissance Technologies LLC ($147.40K), Caas Capital Management LP ($132.86K), and Allostery Investments LP ($51.16K). How much institutional selling is happening at Rallybio? Institutional investors have sold a total of 1,660,361 shares in the last 24 months. This volume of shares sold represents approximately $4.96M in transactions. Related Companies Outlook Therapeutics Major Shareholders Biomea Fusion Major Shareholders Immuneering Major Shareholders OKYO Pharma Major Shareholders Ikena Oncology Major Shareholders Cue Biopharma Major Shareholders Prelude Therapeutics Major Shareholders Actinium Pharmaceuticals Major Shareholders Celularity Major Shareholders Shattuck Labs Major Shareholders This page (NASDAQ:RLYB) was last updated on 5/21/2025 by MarketBeat.com Staff From Our PartnersWhite House to reset Social Security?Elon Musk's parting DOGE gift looks set to shock America... 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