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Rallybio (RLYB) Institutional Ownership

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$0.53 -0.02 (-3.70%)
Closing price 08/6/2025 04:00 PM Eastern
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$0.51 -0.01 (-2.79%)
As of 04:02 AM 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)
9
Total
Institutional Inflows
(last 12 months)
$6.50M
Number of
Institutional Sellers
(last 12 months)
6
Total
Institutional Outflows
(last 12 months)
$1.03M
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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%
5/16/2025Allostery 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%
2/17/2025Northeast Financial Consultants Inc96,422$93K0.0%+336.5%0.232%
2/17/2025Allostery Investments LP803,398$771K0.8%N/A1.936%
2/17/2025Almitas Capital LLC1,298,119$1.25M0.3%+48.3%3.129%
2/13/2025Renaissance 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%
11/16/2024Geode Capital Management LLC244,986$287K0.0%+11.4%0.590%
11/15/2024Jane Street Group LLC22,275$26K0.0%-58.0%0.054%
11/15/2024Point72 Asia Singapore Pte. Ltd.22,119$26K0.0%-51.4%0.053%
11/13/2024FMR 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%
9/16/2024Point72 Asia Singapore Pte. Ltd.45,531$61K0.0%N/A0.110%
8/16/2024Almitas Capital LLC100,876$135K0.1%N/A0.243%
8/15/2024Point72 Asia Singapore Pte. Ltd.45,531$61K0.0%N/A0.110%
8/12/2024Hsbc Holdings PLC17,531$25K0.0%N/A0.042%
8/9/2024Renaissance 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%
5/10/2024Vanguard 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%
1/12/2024SG Americas Securities LLC16,813$40K0.0%N/A0.044%
11/13/2023CHI Advisors LLC390,734$1.32M0.4%-28.0%1.034%
11/13/2023Mariner LLC408,180$1.38M0.0%-32.7%1.080%
11/8/2023 Financial Security Advisor Inc.50,278$169K0.1%N/A0.133%
9/21/2023Barclays 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%
8/11/2023Sectoral Asset Management Inc.375,960$2.13M0.4%-31.9%0.995%
8/4/2023American International Group Inc.14,715$83K0.0%+62.0%0.039%
5/12/2023Sectoral 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%
2/10/2023Sectoral 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%
2/6/2023New 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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11/15/2022Northeast Financial Consultants Inc13,066$189K0.0%N/A0.041%
11/14/2022MetLife Investment Management LLC10,279$149K0.0%N/A0.032%
11/8/2022New 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%
8/15/2022Laurion Capital Management LP402,000$3.04M0.0%+0.5%1.251%
8/11/2022Alps Advisors Inc.19,060$144K0.0%N/A0.059%
7/29/2022Tekla Capital Management LLC1,931,120$14.58M0.6%-12.0%6.010%
5/27/2022Walleye Capital LLC59,543$416K0.0%N/A0.185%
5/13/2022Tekla Capital Management LLC2,195,010$15.32M0.5%-4.9%6.832%
5/10/2022Sectoral 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%
2/8/2022Northern 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%
11/16/2021Laurion Capital Management LP400,000$7.03M0.0%N/A1.245%
11/15/2021Viking Global Investors LP4,194,777$73.74M0.2%N/A13.056%
11/15/2021Sectoral Asset Management Inc527,136$9.27M0.8%N/A1.641%
11/15/2021Caas Capital Management LP10,000$176K0.0%N/A0.031%
11/12/2021New Leaf Venture Partners L.L.C.2,301,603$40.46M11.7%N/A7.163%
11/12/2021Geode Capital Management LLC69,963$1.23M0.0%N/A0.218%
11/9/2021BlackRock Inc.292,204$5.14M0.0%N/A0.909%
11/4/2021Deutsche Bank AG4,139$73K0.0%N/A0.013%
11/2/2021New 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 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 5,234,269 shares in the last 24 months. This purchase volume represents approximately $6.50M 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), Renaissance Technologies LLC ($147.40K), 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 1,503,313 shares in the last 24 months. This volume of shares sold represents approximately $1.03M in transactions.


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This page (NASDAQ:RLYB) was last updated on 8/7/2025 by MarketBeat.com Staff
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