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Rallybio (RLYB) Institutional Ownership

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$0.63 +0.03 (+5.39%)
Closing price 08/22/2025 04:00 PM Eastern
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$0.63 0.00 (0.00%)
As of 08/22/2025 06:01 PM Eastern
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Institutional Ownership Changes (13F Filings) for Rallybio (NASDAQ:RLYB)

Current
Institutional Ownership
Percentage
90.34%
Number of
Institutional Buyers
(last 12 months)
7
Total
Institutional Inflows
(last 12 months)
$1.40M
Number of
Institutional Sellers
(last 12 months)
5
Total
Institutional Outflows
(last 12 months)
$828.28K
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RLYB Institutional Buying and Selling by Quarter

Rallybio Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
7/24/2025 Aberdeen Group plc1,595,262$539K0.0%-7.6%3.834%
7/17/2025 Canaan Partners XI LLC940,984$318K0.2%-38.6%2.261%
5/16/2025 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%
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%
8/6/2024 Acadian Asset Management LLC67,695$89K0.0%+116.3%0.163%
5/10/2024 Acadian 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%
8/15/2023Caas 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%
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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%
11/8/2022 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%
11/15/2021Caas 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, 20 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), Vanguard Group Inc. ($1.99M), Mariner LLC ($1.38M), CHI Advisors LLC ($1.32M), and Almitas Capital LLC ($1.25M).Learn more on Rallybio's institutional investors.

What percentage of Rallybio's stock is owned by institutional investors?

90.34% of Rallybio's stock is owned by institutional investors. Learn more on RLYB's institutional investor holdings.

Which institutional investors have been buying Rallybio's stock?

Of the 14 institutional investors that purchased Rallybio's 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 1,433,968 shares in the last 24 months. This purchase volume represents approximately $1.40M in transactions.

Which of Rallybio's major shareholders have been selling company stock?

The following institutional investors have sold Rallybio stock in the last 24 months: Canaan Partners XI LLC ($1.12M), Aberdeen Group plc ($131.81K), Allostery Investments LP ($51.16K), Jane Street Group LLC ($30.81K), and Point72 Asia Singapore Pte. Ltd. ($23.41K).

How much institutional selling is happening at Rallybio?

Institutional investors have sold a total of 1,355,913 shares in the last 24 months. This volume of shares sold represents approximately $828.28K in transactions.


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This page (NASDAQ:RLYB) was last updated on 8/23/2025 by MarketBeat.com Staff
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