RallybioRLYB

13F holders, Q2 2024 (June 30)
66holders +4
20new positions
17sold out
5famous investors
$1.34avg. 13F price*

At the end of Q2 2024, 66 institutions reported holding Rallybio Corp. (RLYB) in their 13F filings, up 4 from Q1 2024. 20 opened new positions and 17 sold out. The largest holders were Viking Global Investors ($5.6M), Johnson & Johnson ($4.9M) and 5AM Venture Management, LLC ($4.9M). 5 famous investors held it, including Andreas Halvorsen (0.0% of Viking Global Investors's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).

Company
Rallybio Corp.
CUSIP
75120L100
Latest filing quarter
Q4 2025

History

Number of 13F holders

020406080 Q1 2024: 62Q1 2024Q2 2024: 66Q2 2024Q3 2024: 49Q3 2024Q4 2024: 49Q4 2024Q1 2025: 47Q1 2025Q2 2025: 48Q2 2025Q3 2025: 45Q3 2025Q4 2025: 45Q4 2025

Total Exit/New Position Q1 2024 → Q2 2024

InstitutionsTotal Value
New Positions20$5.7M
Exits17$1.3M

All 13F filers, Q1 2024 → Q2 2024: 4,849,246 shares bought and 3,433,098 shares sold, net +1,416,148 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 66 holders

Viking Global Investors 0.02% No change 4,194,777 $5.6M
Johnson & Johnson 1.22% New 3,636,363 $4.9M
5AM Venture Management, LLC 1.09% No change 3,630,724 $4.9M
New Leaf Venture Partners, L.L.C. 5.38% No change 3,301,603 $4.4M
TPG GP A, LLC 0.06% No change 3,028,414 $4.1M
Pivotal bioVenture Partners Investment Advisor LLC 2.48% No change 2,404,644 $3.2M
FMR LLC 0.00% Add +0.5% 2,290,058 $3.1M
Canaan Partners XI LLC 3.34% No change 2,059,712 $2.8M
Aberdeen Group plc 0.00% No change 1,727,067 $2.3M
Vanguard Group Inc. 0.00% Reduce -20.3% 857,896 $1.1M
Laurion Capital Management LP 0.03% No change 783,391 $1.0M
Millennium Management 0.00% Add +133.8% 459,966 $616K
Mariner, LLC 0.00% No change 405,631 $544K
Renaissance Technologies 0.00% Reduce -30.2% 340,700 $457K
BlackRock Inc. 0.00% Reduce -81.2% 315,627 $423K
Citadel Advisors 0.00% Reduce -29.9% 280,000 $375K
Northern Trust Corp. 0.00% Reduce -6.5% 228,915 $307K
Geode Capital Management, LLC 0.00% Reduce -57.7% 220,006 $295K
Goldman Sachs Group Inc. 0.00% Add +1268.3% 181,202 $243K
Almitas Capital LLC 0.06% New 100,876 $135K
Bridgeway Capital Management, LLC 0.00% No change 96,200 $129K
Susquehanna International Group, LLP 0.00% Add +558.9% 96,117 $129K
Y-Intercept (Hong Kong) Ltd 0.01% New 94,484 $127K
Centiva Capital, LP 0.00% New 71,700 $96K
Acadian Asset Management LLC 0.00% Add +116.3% 67,695 $89K
State Street Corp. 0.00% Reduce -87.3% 65,222 $87K
Morgan Stanley 0.00% Reduce -27.9% 55,085 $74K
Qube Research & Technologies Ltd 0.00% New 54,201 $73K
Two Sigma Investments, LP 0.00% New 53,253 $71K
Jane Street Group, LLC 0.00% New 53,080 $71K
Point72 Asia (Singapore) Pte. Ltd. 0.01% New 45,531 $61K
Wells Fargo & Company 0.00% Add +45.3% 37,800 $51K
Squarepoint Ops LLC 0.00% Reduce -12.4% 31,917 $43K
Barclays PLC 0.00% Reduce -28.3% 26,539 $36K
HRT Financial LP 0.00% New 24,971 $33K
Two Sigma Advisers, LP 0.00% New 24,500 $33K
Northeast Financial Consultants Inc 0.00% No change 22,088 $30K
HarbourVest Partners LLC 0.02% No change 21,877 $29K
Dimensional Fund Advisors LP 0.00% No change 21,203 $28K
Citigroup Inc. 0.00% Add +226.9% 20,751 $28K
Schonfeld Strategic Advisors LLC 0.00% New 18,800 $25K
HSBC Holdings PLC 0.00% New 17,531 $25K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% — 16,270 $22K
Point72 (DIFC) Ltd 0.00% New 13,933 $19K
Prelude Capital Management, LLC 0.00% New 13,800 $18K
Utah Retirement Systems 0.00% No change 13,240 $18K
Tower Research Capital LLC (TRC) 0.00% Add +62.3% 13,179 $18K
ADAR1 Capital Management, LLC 0.00% Reduce -37.6% 11,200 $15K
UBS Group AG 0.00% Reduce -65.3% 10,641 $14K
Rhumbline Advisers 0.00% Reduce -74.0% 10,372 $14K
Tudor Investment Corporation 0.00% New 10,367 $14K
Captrust Financial Advisors 0.00% Add +0.6% 10,094 $14K
Bank of America Corp. 0.00% Reduce -62.8% 8,893 $12K
Catalyst Funds Management Pty Ltd 0.00% New 7,800 $10K
Hartford Financial Management Inc. 0.00% New 6,500 $9K
Russell Investments Group, Ltd. 0.00% Add +58.0% 6,390 $9K
Federated Hermes, Inc. 0.00% Add +257.7% 6,217 $8K
Cubist Systematic Strategies, LLC 0.00% New 1,822 $2K
Macquarie Group Ltd. 0.00% New 1,574 $2K
Royal Bank of Canada 0.00% Add +65.5% 1,157 $2K
JPMorgan Chase & Co. 0.00% Reduce -94.0% 882 $1K
New York State Common Retirement Fund 0.00% Reduce -97.5% 267 $358
Nisa Investment Advisors, LLC 0.00% Add +150.0% 25 $34
Farther Finance Advisors, LLC 0.00% No change 9 $12
Cwm, LLC 0.00% New 36 $0
Capital Advisors, Ltd. LLC 0.00% Reduce -59.6% 82 $0

"% of holder's portfolio" is RLYB's weight in each manager's 13F, not the share of Rallybio Corp. the manager owns.