| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| FMR LLC | 4.3% | $441,675 | 1,766,701 | FMR LLC | 31 Dec 2024 |
As of 30 Sep 2025, 45 institutional investors reported holding 28,293,762 shares of Rallybio Corp - COMMON STOCK (RLYB). This represents 69% of the company’s total 41,086,070 outstanding shares.
The largest institutional shareholders of Rallybio Corp - COMMON STOCK (RLYB) together control 69% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VIKING GLOBAL INVESTORS LP | 10% | 4,194,777 | 0% | 0.01% | $2,093,194 |
| JOHNSON & JOHNSON | 8.9% | 3,636,363 | 0% | 0.36% | $1,814,545 |
| 5AM Venture Management, LLC | 8.8% | 3,630,724 | 0% | 0.66% | $1,811,731 |
| New Leaf Venture Partners, L.L.C. | 8% | 3,301,603 | 0% | 3.8% | $1,647,500 |
| TPG GP A, LLC | 7.4% | 3,028,414 | 0% | 0.08% | $1,514,207 |
| Pivotal bioVenture Partners Investment Advisor LLC | 5.9% | 2,404,644 | 0% | 0.69% | $1,199,917 |
| FMR LLC | 4.1% | 1,694,388 | -9.4% | 0% | $845,500 |
| Almitas Capital LLC | 3.7% | 1,538,727 | -15% | 0.18% | $767,825 |
| VANGUARD GROUP INC | 2.4% | 999,627 | +9.9% | 0% | $498,814 |
| AJU IB Investment Co., Ltd. | 1.8% | 754,678 | 0% | 0.33% | $377,339 |
| RENAISSANCE TECHNOLOGIES LLC | 1.7% | 714,800 | +47% | 0% | $356,685 |
| Canaan Partners XI LLC | 1.1% | 450,000 | -52% | 0.22% | $224,550 |
| CITADEL ADVISORS LLC | 1.1% | 438,705 | +576% | 0% | $218,914 |
| Mariner, LLC | 0.98% | 404,546 | 0% | 0% | $201,868 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.6% | 245,009 | 0% | 0% | $122,285 |
| BlackRock, Inc. | 0.34% | 141,663 | -8.4% | 0% | $70,690 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.33% | 136,294 | +486% | 0% | $68,011 |
| ACADIAN ASSET MANAGEMENT LLC | 0.22% | 90,247 | 0% | 0% | $44,000 |
| Rangeley Capital, LLC | 0.2% | 83,007 | 0.04% | $41,420 | |
| STATE STREET CORP | 0.15% | 62,072 | 0% | 0% | $30,974 |
| XTX Topco Ltd | 0.14% | 59,108 | +6.5% | 0% | $29,495 |
| Virtu Financial LLC | 0.1% | 39,303 | -31% | 0% | $20,000 |
| PRUDENTIAL FINANCIAL INC | 0.09% | 38,400 | 0% | $19,162 | |
| NORTHERN TRUST CORP | 0.09% | 38,124 | 0% | 0% | $19,024 |
| HRT FINANCIAL LP | 0.08% | 32,224 | +8.8% | 0% | $16,000 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 19,653 | $13,484 | +$9,024 | $0.69 | 2 |
| 2025 Q3 | 28,293,762 | $14,121,676 | -$1,021,662 | $0.50 | 45 |
| 2025 Q2 | 31,192,738 | $10,521,574 | -$558,785 | $0.34 | 48 |
| 2025 Q1 | 32,001,262 | $20,918,290 | -$325,162 | $0.65 | 47 |
| 2024 Q4 | 32,428,353 | $31,130,298 | -$372,186 | $0.96 | 49 |
| 2024 Q3 | 31,212,752 | $36,517,099 | -$480,477 | $1.17 | 49 |
| 2024 Q2 | 31,632,482 | $42,387,538 | +$1,542,215 | $1.34 | 63 |
| 2024 Q1 | 30,198,382 | $55,866,025 | -$3,906,412 | $1.85 | 59 |
| 2023 Q4 | 13,254 | $31,677 | +$1,821 | $2.39 | 1 |
| 2023 Q3 | 31,203,619 | $105,154,575 | -$1,411,339 | $3.37 | 58 |
| 2023 Q2 | 33,260,971 | $188,259,410 | +$6,505,886 | $5.66 | 57 |
| 2023 Q1 | 32,110,359 | $183,344,351 | -$1,268,659 | $5.71 | 51 |
| 2022 Q4 | 32,312,322 | $212,289,630 | +$34,531,533 | $6.57 | 55 |
| 2022 Q3 | 27,784,764 | $402,044,609 | +$2,187,117 | $14.47 | 49 |
| 2022 Q2 | 27,648,654 | $208,748,000 | -$763,406 | $7.55 | 41 |
| 2022 Q1 | 27,763,335 | $193,807,000 | +$118,165 | $6.98 | 44 |
| 2021 Q4 | 27,420,925 | $259,977,000 | +$8,547,851 | $9.54 | 37 |
| 2021 Q3 | 24,054,395 | $419,897,000 | +$419,897,297 | $17.58 | 34 |