CAMBRIDGE, MA
KORRO BIO, INC.KRRO— Latest position per institution from SEC 13F filings
15
Institutional holders
13.37M
Total shares held
238.01M
Estimated value
668.45K
Avg. position size
LYNX1 CAPITAL MANAGEMENT LP
CIK 1910456
Shares
1.54M
Value
20.27M
Filed
Jun 30, 2026
NEA MANAGEMENT COMPANY, LLC
CIK 1512848
Shares
1.30M
Value
17.11M
Filed
Jun 30, 2026
VENROCK ADVISER, LLC
CIK 1615982
Shares
1.01M
Value
13.31M
Filed
Jun 30, 2026
ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC
CIK 1917529
Shares
962.88K
Value
12.69M
Filed
Jun 30, 2026
BALYASNY ASSET MANAGEMENT L.P.
CIK 1218710
Shares
951.78K
Value
12.54M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
817.62K
Value
10.78M
Filed
Jun 30, 2026
AFFINITY ASSET ADVISORS, LLC
CIK 1773195
Shares
706.90K
Value
9.32M
Filed
Jun 30, 2026
NANTAHALA CAPITAL MANAGEMENT, LLC
CIK 1472322
Shares
660.04K
Value
8.70M
Filed
Jun 30, 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 1165408
Shares
540.97K
Value
7.13M
Filed
Jun 30, 2026
ADAR1 CAPITAL MANAGEMENT, LLC
CIK 1940272
Shares
540.05K
Value
7.12M
Filed
Jun 30, 2026
POINT72 ASSET MANAGEMENT, L.P.
CIK 1603466
Shares
531.97K
Value
25.48M
Filed
Sep 30, 2025
VANGUARD GROUP INC
CIK 102909
Shares
489.64K
Value
3.92M
Filed
Dec 31, 2025
CORMORANT ASSET MANAGEMENT, LP
CIK 1583977
Shares
465K
Value
22.27M
Filed
Sep 30, 2025
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
454.78K
Value
5.99M
Filed
Jun 30, 2026
DRIEHAUS CAPITAL MANAGEMENT LLC
CIK 938206
Shares
450.05K
Value
5.93M
Filed
Jun 30, 2026
TCG CROSSOVER MANAGEMENT, LLC
CIK 1839948
Shares
416.30K
Value
5.49M
Filed
Jun 30, 2026
ARTAL GROUP S.A.
CIK 1053906
Shares
413.07K
Value
13.99M
Filed
Jun 30, 2024
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
406.38K
Value
13.76M
Filed
Jun 30, 2024
QIMING U.S. VENTURES MANAGEMENT, LLC
CIK 1909617
Shares
368.08K
Value
17.63M
Filed
Sep 30, 2025
SIREN, L.L.C.
CIK 2005245
Shares
347.72K
Value
4.58M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | LYNX1 CAPITAL MANAGEMENT LP | 1910456 | 1.54M | 20.27M | Jun 30, 2026 |
| 2 | NEA MANAGEMENT COMPANY, LLC | 1512848 | 1.30M | 17.11M | Jun 30, 2026 |
| 3 | VENROCK ADVISER, LLC | 1615982 | 1.01M | 13.31M | Jun 30, 2026 |
| 4 | ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC | 1917529 | 962.88K | 12.69M | Jun 30, 2026 |
| 5 | BALYASNY ASSET MANAGEMENT L.P. | 1218710 | 951.78K | 12.54M | Jun 30, 2026 |
| 6 | BLACKROCK, INC. | 2012383 | 817.62K | 10.78M | Jun 30, 2026 |
| 7 | AFFINITY ASSET ADVISORS, LLC | 1773195 | 706.90K | 9.32M | Jun 30, 2026 |
| 8 | NANTAHALA CAPITAL MANAGEMENT, LLC | 1472322 | 660.04K | 8.70M | Jun 30, 2026 |
| 9 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 1165408 | 540.97K | 7.13M | Jun 30, 2026 |
| 10 | ADAR1 CAPITAL MANAGEMENT, LLC | 1940272 | 540.05K | 7.12M | Jun 30, 2026 |
| 11 | POINT72 ASSET MANAGEMENT, L.P. | 1603466 | 531.97K | 25.48M | Sep 30, 2025 |
| 12 | VANGUARD GROUP INC | 102909 | 489.64K | 3.92M | Dec 31, 2025 |
| 13 | CORMORANT ASSET MANAGEMENT, LP | 1583977 | 465K | 22.27M | Sep 30, 2025 |
| 14 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 454.78K | 5.99M | Jun 30, 2026 |
| 15 | DRIEHAUS CAPITAL MANAGEMENT LLC | 938206 | 450.05K | 5.93M | Jun 30, 2026 |
| 16 | TCG CROSSOVER MANAGEMENT, LLC | 1839948 | 416.30K | 5.49M | Jun 30, 2026 |
| 17 | ARTAL GROUP S.A. | 1053906 | 413.07K | 13.99M | Jun 30, 2024 |
| 18 | BLACKROCK FINANCE, INC. | 1364742 | 406.38K | 13.76M | Jun 30, 2024 |
| 19 | QIMING U.S. VENTURES MANAGEMENT, LLC | 1909617 | 368.08K | 17.63M | Sep 30, 2025 |
| 20 | SIREN, L.L.C. | 2005245 | 347.72K | 4.58M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.