RALLYBIO CORP RLYB
$15.81
-0.8% 52w: $2.46 – $16.87
Latest 13F among current holders filed 1 month ago (May 18, 2026)
Price — last 12 months
research preview data2.469.6616.87
Jun 20, 2025 Jul 2, 2026
Institutional holders
38
+37 QoQ
13F value
$41.9M
+609925.1% QoQ
Smart-money holders
11
signal tier ≥ 2
New smart buyers
11
Q1 2026
Institutional value by quarter
Number of holders
Who owns RLYB?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| FMR LLC | Long only active | 793.5K | $7.1M | 0.0% | New |
| VIKING GLOBAL INVESTORS LP ★2 | Fundamental diversified | 524.3K | $4.7M | 0.0% | New |
| Cormorant Asset Management, LP ★3 | Fundamental concentrated | 400.0K | $3.6M | 0.2% | New |
| TPG GP A, LLC ★2 | Fundamental concentrated | 378.6K | $3.4M | 0.1% | New |
| Balyasny Asset Management L.P. | Multistrat pod | 376.6K | $3.4M | 0.0% | New |
| Laurion Capital Management LP | Quant stat arb | 302.8K | $2.7M | 0.3% | New |
| Nantahala Capital Management, LLC ★2 | Fundamental diversified | 300.6K | $2.7M | 0.2% | New |
| Pivotal bioVenture Partners Investment Advisor LLC ★3 | Fundamental concentrated | 300.6K | $2.7M | 1.0% | New |
| 5AM Venture Management, LLC ★3 | Fundamental concentrated | 291.8K | $2.6M | 0.7% | New |
| Almitas Capital LLC ★2 | Fundamental diversified | 191.2K | $1.7M | 0.4% | New |
| RENAISSANCE TECHNOLOGIES LLC | Quant stat arb | 156.5K | $1.4M | 0.0% | New |
| JOHNSON & JOHNSON ★3 | Fundamental concentrated | 152.9K | $1.4M | 0.2% | New |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 112.0K | $1.0M | 0.0% | — |
| AJU IB Investment Co., Ltd. ★2 | Fundamental diversified | 94.3K | $846K | 2.8% | New |
| Mariner, LLC | Diversified mechanical | 50.6K | $454K | 0.0% | New |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 35.4K | $318K | 0.0% | New |
| DELTEC ASSET MANAGEMENT LLC ★2 | Fundamental diversified | 33.8K | $303K | 0.1% | New |
| Rangeley Capital, LLC ★2 | Fundamental diversified | 30.1K | $270K | 0.3% | New |
| GTS SECURITIES LLC | Market maker | 22.0K | $197K | 0.0% | New |
| ADAR1 Capital Management, LLC | Other | 20.5K | $184K | 0.0% | New |
| CITADEL ADVISORS LLC | Multistrat pod | 19.9K | $178K | 0.0% | New |
| BlackRock, Inc. | Index provider | 17.5K | $157K | 0.0% | New |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 13.5K | $122K | 0.0% | — |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 11.3K | $101K | 0.0% | New |
| XTX Topco Ltd | Market maker | 11.2K | $101K | 0.0% | New |
| ACADIAN ASSET MANAGEMENT LLC | Quant stat arb | 10.4K | $92K | 0.0% | New |
| UBS Group AG | Bank broker | 7.9K | $71K | 0.0% | New |
| JPMORGAN CHASE & CO | Bank broker | 2.5K | $20K | 0.0% | New |
| Vanguard Global Advisers, LLC | Diversified mechanical | 1.4K | $13K | 0.0% | — |
| Tower Research Capital LLC (TRC) | Market maker | 907 | $8K | 0.0% | New |
| Hartford Financial Management Inc. | Other | 812 | $7K | 0.0% | New |
| SBI Securities Co., Ltd. | Diversified mechanical | 524 | $5K | 0.0% | New |
| MORGAN STANLEY | Bank broker | 126 | $1K | 0.0% | New |
| BNP PARIBAS FINANCIAL MARKETS | Bank broker | 120 | $1K | 0.0% | New |
| Fortitude Family Office, LLC | Wealth advisor | 53 | $475 | 0.0% | New |
| WELLS FARGO & COMPANY/MN | Bank broker | 37 | $332 | 0.0% | New |
| Allworth Financial LP | Wealth advisor | 6 | $54 | 0.0% | New |
| DANSKE BANK A/S | Diversified mechanical | 1 | $9 | 0.0% | New |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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