NEW HAVEN, CT
RALLYBIO CORPRLYB— Latest position per institution from SEC 13F filings
15
Institutional holders
4.57M
Total shares held
40.98M
Estimated value
228.41K
Avg. position size
FMR LLC
CIK 315066
Shares
793.45K
Value
7.12M
Filed
Mar 31, 2026
VIKING GLOBAL INVESTORS LP
CIK 1103804
Shares
524.35K
Value
4.70M
Filed
Mar 31, 2026
CORMORANT ASSET MANAGEMENT, LP
CIK 1583977
Shares
400K
Value
3.59M
Filed
Mar 31, 2026
TPG GP A, LLC
CIK 1903793
Shares
378.55K
Value
3.40M
Filed
Mar 31, 2026
BALYASNY ASSET MANAGEMENT L.P.
CIK 1218710
Shares
376.57K
Value
3.38M
Filed
Mar 31, 2026
LAURION CAPITAL MANAGEMENT LP
CIK 1390202
Shares
302.76K
Value
2.72M
Filed
Mar 31, 2026
NANTAHALA CAPITAL MANAGEMENT, LLC
CIK 1472322
Shares
300.63K
Value
2.70M
Filed
Mar 31, 2026
PIVOTAL BIOVENTURE PARTNERS INVESTMENT ADVISOR LLC
CIK 1844645
Shares
300.58K
Value
2.70M
Filed
Mar 31, 2026
5AM VENTURE MANAGEMENT, LLC
CIK 1799883
Shares
291.79K
Value
2.62M
Filed
Mar 31, 2026
ALMITAS CAPITAL LLC
CIK 1596468
Shares
191.21K
Value
1.72M
Filed
Mar 31, 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
156.53K
Value
1.40M
Filed
Mar 31, 2026
JOHNSON & JOHNSON
CIK 200406
Shares
152.90K
Value
1.37M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
112.04K
Value
1M
Filed
Mar 31, 2026
AJU IB INVESTMENT CO., LTD.
CIK 1710065
Shares
94.33K
Value
846.18K
Filed
Mar 31, 2026
MARINER, LLC
CIK 1373442
Shares
50.57K
Value
453.58K
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
35.42K
Value
317.82K
Filed
Mar 31, 2026
DELTEC ASSET MANAGEMENT LLC
CIK 1269950
Shares
33.75K
Value
302.74K
Filed
Mar 31, 2026
RANGELEY CAPITAL, LLC
CIK 1517796
Shares
30.13K
Value
270.27K
Filed
Mar 31, 2026
GTS SECURITIES LLC
CIK 1452765
Shares
22.02K
Value
197.48K
Filed
Mar 31, 2026
ADAR1 CAPITAL MANAGEMENT, LLC
CIK 1940272
Shares
20.54K
Value
184.20K
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | FMR LLC | 315066 | 793.45K | 7.12M | Mar 31, 2026 |
| 2 | VIKING GLOBAL INVESTORS LP | 1103804 | 524.35K | 4.70M | Mar 31, 2026 |
| 3 | CORMORANT ASSET MANAGEMENT, LP | 1583977 | 400K | 3.59M | Mar 31, 2026 |
| 4 | TPG GP A, LLC | 1903793 | 378.55K | 3.40M | Mar 31, 2026 |
| 5 | BALYASNY ASSET MANAGEMENT L.P. | 1218710 | 376.57K | 3.38M | Mar 31, 2026 |
| 6 | LAURION CAPITAL MANAGEMENT LP | 1390202 | 302.76K | 2.72M | Mar 31, 2026 |
| 7 | NANTAHALA CAPITAL MANAGEMENT, LLC | 1472322 | 300.63K | 2.70M | Mar 31, 2026 |
| 8 | PIVOTAL BIOVENTURE PARTNERS INVESTMENT ADVISOR LLC | 1844645 | 300.58K | 2.70M | Mar 31, 2026 |
| 9 | 5AM VENTURE MANAGEMENT, LLC | 1799883 | 291.79K | 2.62M | Mar 31, 2026 |
| 10 | ALMITAS CAPITAL LLC | 1596468 | 191.21K | 1.72M | Mar 31, 2026 |
| 11 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 156.53K | 1.40M | Mar 31, 2026 |
| 12 | JOHNSON & JOHNSON | 200406 | 152.90K | 1.37M | Mar 31, 2026 |
| 13 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 112.04K | 1M | Mar 31, 2026 |
| 14 | AJU IB INVESTMENT CO., LTD. | 1710065 | 94.33K | 846.18K | Mar 31, 2026 |
| 15 | MARINER, LLC | 1373442 | 50.57K | 453.58K | Mar 31, 2026 |
| 16 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 35.42K | 317.82K | Mar 31, 2026 |
| 17 | DELTEC ASSET MANAGEMENT LLC | 1269950 | 33.75K | 302.74K | Mar 31, 2026 |
| 18 | RANGELEY CAPITAL, LLC | 1517796 | 30.13K | 270.27K | Mar 31, 2026 |
| 19 | GTS SECURITIES LLC | 1452765 | 22.02K | 197.48K | Mar 31, 2026 |
| 20 | ADAR1 CAPITAL MANAGEMENT, LLC | 1940272 | 20.54K | 184.20K | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.