Institutional Ownership Rallybio Corp (RLYB)
This table provides information about the institutional ownership of Rallybio Corp (RLYB). We have compiled data on the 49 institutions that hold shares in the stock, with a total of 31.6 Million shares, which have been reported (via 13F filing form) to have a value of $17.4 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Viking Global Investors LP
|
Aug 14, 2025 Q2 2025 |
4,194,777
shares
|
$2.47 Million
0.0% of portfolio
|
Q3 2021
New holding
|
|
|
Johnson & Johnson
New Brunswick, NJ |
Jul 22, 2025 Q2 2025 |
3,636,363
shares
|
$2.15 Million
0.42% of portfolio
|
Q2 2024
New holding
|
|
|
5 Am Venture Management, LLC
San Francisco, CA |
Aug 14, 2025 Q2 2025 |
3,630,724
shares
|
$2.14 Million
0.83% of portfolio
|
Q1 2023
Reduced 2.68%
|
|
|
New Leaf Venture Partners, L.L.C.
New York, NY |
Aug 13, 2025 Q2 2025 |
3,301,603
shares
|
$1.95 Million
3.34% of portfolio
|
Q4 2022
Added 43.45%
|
|
|
Tpg Gp A, LLC
Fort Worth, TX |
Aug 14, 2025 Q2 2025 |
3,028,414
shares
|
$1.79 Million
0.06% of portfolio
|
Q4 2021
New holding
|
|
|
Pivotal Bio Venture Partners Investment Advisor LLC
San Francisco, CA |
Aug 13, 2025 Q2 2025 |
2,404,644
shares
|
$1.42 Million
0.77% of portfolio
|
Q4 2022
Added 5.87%
|
|
|
Almitas Capital LLC
Santa Monica, CA |
Aug 14, 2025 Q2 2025 |
1,817,492
shares
|
$1.07 Million
0.29% of portfolio
|
Q2 2025
Added 39.74%
|
|
|
Tekla Capital Management LLC
|
Aug 10, 2023 Q2 2023 |
1,727,067
shares
|
$1.02 Million
0.39% of portfolio
|
Q4 2022
Reduced 0.8%
|
|
|
Abrdn PLC
|
Jul 24, 2025 Q2 2025 |
1,595,262
shares
|
$941,204
0.0% of portfolio
|
Q2 2025
Reduced 7.63%
|
|
|
Canaan Partners Xi LLC
Menlo Park, CA |
Jul 17, 2025 Q2 2025 |
940,984
shares
|
$555,180
0.89% of portfolio
|
Q2 2025
Reduced 38.6%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
Aug 11, 2025 Q2 2025 |
909,941
shares
|
$536,865
0.0% of portfolio
|
Q2 2025
Reduced 6.38%
|
|
|
Aju Ib Investment Co., Ltd.
Seoul, M5 |
Jul 10, 2025 Q2 2025 |
754,678
shares
|
$445,260
0.28% of portfolio
|
Q4 2021
New holding
|
|
|
Laurion Capital Management LP
New York, NY |
Aug 14, 2025 Q2 2025 |
735,543
shares
|
$433,970
0.0% of portfolio
|
Q3 2024
Reduced 6.11%
|
|
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
Aug 13, 2025 Q2 2025 |
485,032
shares
|
$286,168
0.0% of portfolio
|
Q2 2025
Added 22.33%
|
|
|
Mariner, LLC
Overland Park, KS |
Aug 14, 2025 Q2 2025 |
404,546
shares
|
$238,682
0.0% of portfolio
|
Q4 2024
Reduced 0.27%
|
|
|
Chi Advisors LLC
New York, NY |
Nov 13, 2023 Q3 2023 |
390,734
shares
|
$230,533
0.65% of portfolio
|
Q3 2023
Reduced 28.01%
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
315,627
shares
|
$186,219
0.0% of portfolio
|
Q2 2024
Reduced 81.17%
|
|
|
Geode Capital Management, LLC
Boston, MA |
Aug 08, 2025 Q2 2025 |
245,009
shares
|
$144,555
0.0% of portfolio
|
Q2 2025
Reduced 1.03%
|
|
|
Israel Englander
Millennium Management LLC | New York, Ny
|
Aug 14, 2025 Q2 2025 |
179,839
shares
|
$106,105
0.0% of portfolio
|
Q2 2025
Reduced 20.86%
|
|
|
Ubs Group Ag
|
Aug 14, 2025 Q2 2025 |
120,242
shares
|
$70,942
0.0% of portfolio
|
Q2 2025
Added 680.89%
|
|
|
Acadian Asset Management LLC
Boston, MA |
Aug 07, 2025 Q2 2025 |
90,247
shares
|
$53,245
0.0% of portfolio
|
Q3 2024
Added 33.31%
|
|
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
Aug 14, 2025 Q2 2025 |
88,900
shares
|
$52,451
0.0% of portfolio
|
Q2 2025
Reduced 2.33%
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
Aug 14, 2025 Q2 2025 |
64,884
shares
|
$38,281
0.0% of portfolio
|
Q2 2025
Added 22.86%
|
|
|
Two Sigma Investments, LP
New York, NY |
Aug 14, 2025 Q2 2025 |
63,786
shares
|
$37,633
0.0% of portfolio
|
Q2 2025
Reduced 4.38%
|
|
|
State Street Corp
Boston, MA |
Aug 14, 2025 Q2 2025 |
62,072
shares
|
$36,622
0.0% of portfolio
|
Q3 2024
Reduced 4.83%
|