Institutional Ownership Rallybio Corp (RLYB)
This table provides information about the institutional ownership of Rallybio Corp (RLYB). We have compiled data on the 46 institutions that hold shares in the stock, with a total of 28.9 Million shares, which have been reported (via 13F filing form) to have a value of $18.5 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Viking Global Investors LP
|
Nov 14, 2025 Q3 2025 |
4,194,777
shares
|
$2.68 Million
0.01% of portfolio
|
Q3 2021
New holding
|
|
|
Johnson & Johnson
New Brunswick, NJ |
Nov 13, 2025 Q3 2025 |
3,636,363
shares
|
$2.33 Million
0.47% of portfolio
|
Q2 2024
New holding
|
|
|
5 Am Venture Management, LLC
San Francisco, CA |
Nov 14, 2025 Q3 2025 |
3,630,724
shares
|
$2.32 Million
1.34% of portfolio
|
Q1 2023
Reduced 2.68%
|
|
|
New Leaf Venture Partners, L.L.C.
New York, NY |
Nov 13, 2025 Q3 2025 |
3,301,603
shares
|
$2.11 Million
4.2% of portfolio
|
Q4 2022
Added 43.45%
|
|
|
Tpg Gp A, LLC
Fort Worth, TX |
Nov 14, 2025 Q3 2025 |
3,028,414
shares
|
$1.94 Million
0.11% of portfolio
|
Q4 2021
New holding
|
|
|
Pivotal Bio Venture Partners Investment Advisor LLC
San Francisco, CA |
Nov 13, 2025 Q3 2025 |
2,404,644
shares
|
$1.54 Million
1.19% of portfolio
|
Q4 2022
Added 5.87%
|
|
|
Tekla Capital Management LLC
|
Aug 10, 2023 Q2 2023 |
1,727,067
shares
|
$1.11 Million
0.39% of portfolio
|
Q4 2022
Reduced 0.8%
|
|
|
Almitas Capital LLC
Santa Monica, CA |
Nov 14, 2025 Q3 2025 |
1,538,727
shares
|
$984,785
0.4% of portfolio
|
Q3 2025
Reduced 15.34%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
Nov 07, 2025 Q3 2025 |
999,627
shares
|
$639,761
0.0% of portfolio
|
Q3 2025
Added 9.86%
|
|
|
Aju Ib Investment Co., Ltd.
Seoul, M5 |
Nov 05, 2025 Q3 2025 |
754,678
shares
|
$482,993
0.36% of portfolio
|
Q4 2021
New holding
|
|
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
Nov 13, 2025 Q3 2025 |
714,800
shares
|
$457,472
0.0% of portfolio
|
Q3 2025
Added 47.37%
|
|
|
Canaan Partners Xi LLC
Menlo Park, CA |
Oct 23, 2025 Q3 2025 |
450,000
shares
|
$288,000
0.49% of portfolio
|
Q3 2025
Reduced 52.18%
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
Nov 14, 2025 Q3 2025 |
438,705
shares
|
$280,771
0.0% of portfolio
|
Q3 2025
Added 576.14%
|
|
|
Mariner, LLC
Overland Park, KS |
Nov 14, 2025 Q3 2025 |
404,546
shares
|
$258,909
0.0% of portfolio
|
Q4 2024
Reduced 0.27%
|
|
|
Chi Advisors LLC
New York, NY |
Nov 13, 2023 Q3 2023 |
390,734
shares
|
$250,069
0.65% of portfolio
|
Q3 2023
Reduced 28.01%
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
315,627
shares
|
$202,001
0.0% of portfolio
|
Q2 2024
Reduced 81.17%
|
|
|
Geode Capital Management, LLC
Boston, MA |
Nov 12, 2025 Q3 2025 |
245,009
shares
|
$156,805
0.0% of portfolio
|
Q2 2025
Reduced 1.03%
|
|
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
Nov 14, 2025 Q3 2025 |
136,294
shares
|
$87,228
0.0% of portfolio
|
Q3 2025
Added 485.88%
|
|
|
Acadian Asset Management LLC
Boston, MA |
Nov 13, 2025 Q3 2025 |
90,247
shares
|
$57,758
0.0% of portfolio
|
Q3 2024
Added 33.31%
|
|
|
Rangeley Capital, LLC
New Canaan, CT |
Nov 14, 2025 Q3 2025 |
83,007
shares
|
$53,124
0.04% of portfolio
|
Q3 2025
New holding
|
|
|
State Street Corp
Boston, MA |
Nov 14, 2025 Q3 2025 |
62,072
shares
|
$39,726
0.0% of portfolio
|
Q3 2024
Reduced 4.83%
|
|
|
Xtx Topco LTD
London, X0 |
Nov 14, 2025 Q3 2025 |
59,108
shares
|
$37,829
0.0% of portfolio
|
Q3 2025
Added 6.54%
|
|
|
Virtu Financial LLC
New York, NY |
Nov 14, 2025 Q3 2025 |
39,303
shares
|
$25,153
0.0% of portfolio
|
Q3 2025
Reduced 30.76%
|
|
|
Prudential Financial Inc
Newark, NJ |
Nov 13, 2025 Q3 2025 |
38,400
shares
|
$24,576
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Northern Trust Corp
Chicago, IL |
Nov 14, 2025 Q3 2025 |
38,124
shares
|
$24,399
0.0% of portfolio
|
Q1 2025
Reduced 48.2%
|
|