LEXINGTON, MA
KEROS THERAPEUTICS, INC.KROS— Latest position per institution from SEC 13F filings
15
Institutional holders
24.58M
Total shares held
428.64M
Estimated value
1.23M
Avg. position size
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
2.51M
Value
114.86M
Filed
Jun 30, 2024
BLACKROCK, INC.
CIK 2012383
Shares
2.41M
Value
26.63M
Filed
Mar 31, 2026
WESTERN STANDARD LLC
CIK 1517666
Shares
2.19M
Value
34.64M
Filed
Sep 30, 2025
BRAIDWELL LP
CIK 1920938
Shares
1.89M
Value
29.99M
Filed
Dec 31, 2024
DARWIN GLOBAL MANAGEMENT, LTD.
CIK 1839209
Shares
1.69M
Value
26.71M
Filed
Dec 31, 2024
VANGUARD GROUP INC
CIK 102909
Shares
1.53M
Value
31.06M
Filed
Dec 31, 2025
TANG CAPITAL MANAGEMENT LLC
CIK 1232621
Shares
1.42M
Value
22.45M
Filed
Sep 30, 2025
NANTAHALA CAPITAL MANAGEMENT, LLC
CIK 1472322
Shares
1.36M
Value
15.02M
Filed
Mar 31, 2026
HOLOCENE ADVISORS, LP
CIK 1700574
Shares
1.20M
Value
19M
Filed
Dec 31, 2024
JEFFERIES FINANCIAL GROUP INC.
CIK 96223
Shares
866.74K
Value
13.72M
Filed
Dec 31, 2024
ALKEON CAPITAL MANAGEMENT LLC
CIK 1230239
Shares
850.51K
Value
13.46M
Filed
Sep 30, 2025
LOGOS GLOBAL MANAGEMENT LP
CIK 1792126
Shares
850K
Value
13.45M
Filed
Sep 30, 2025
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
831.42K
Value
9.18M
Filed
Mar 31, 2026
ORBIMED ADVISORS LLC
CIK 1055951
Shares
759.15K
Value
8.38M
Filed
Mar 31, 2026
MANGROVE PARTNERS IM, LLC
CIK 1535392
Shares
736.38K
Value
11.66M
Filed
Dec 31, 2024
QUBE RESEARCH & TECHNOLOGIES LTD
CIK 1729829
Shares
724.93K
Value
8M
Filed
Mar 31, 2026
JACOBS LEVY EQUITY MANAGEMENT, INC
CIK 884414
Shares
706.07K
Value
7.80M
Filed
Mar 31, 2026
FEDERATED HERMES, INC.
CIK 1056288
Shares
689.23K
Value
7.61M
Filed
Mar 31, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
682.04K
Value
7.53M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
681.46K
Value
7.52M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK FINANCE, INC. | 1364742 | 2.51M | 114.86M | Jun 30, 2024 |
| 2 | BLACKROCK, INC. | 2012383 | 2.41M | 26.63M | Mar 31, 2026 |
| 3 | WESTERN STANDARD LLC | 1517666 | 2.19M | 34.64M | Sep 30, 2025 |
| 4 | BRAIDWELL LP | 1920938 | 1.89M | 29.99M | Dec 31, 2024 |
| 5 | DARWIN GLOBAL MANAGEMENT, LTD. | 1839209 | 1.69M | 26.71M | Dec 31, 2024 |
| 6 | VANGUARD GROUP INC | 102909 | 1.53M | 31.06M | Dec 31, 2025 |
| 7 | TANG CAPITAL MANAGEMENT LLC | 1232621 | 1.42M | 22.45M | Sep 30, 2025 |
| 8 | NANTAHALA CAPITAL MANAGEMENT, LLC | 1472322 | 1.36M | 15.02M | Mar 31, 2026 |
| 9 | HOLOCENE ADVISORS, LP | 1700574 | 1.20M | 19M | Dec 31, 2024 |
| 10 | JEFFERIES FINANCIAL GROUP INC. | 96223 | 866.74K | 13.72M | Dec 31, 2024 |
| 11 | ALKEON CAPITAL MANAGEMENT LLC | 1230239 | 850.51K | 13.46M | Sep 30, 2025 |
| 12 | LOGOS GLOBAL MANAGEMENT LP | 1792126 | 850K | 13.45M | Sep 30, 2025 |
| 13 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 831.42K | 9.18M | Mar 31, 2026 |
| 14 | ORBIMED ADVISORS LLC | 1055951 | 759.15K | 8.38M | Mar 31, 2026 |
| 15 | MANGROVE PARTNERS IM, LLC | 1535392 | 736.38K | 11.66M | Dec 31, 2024 |
| 16 | QUBE RESEARCH & TECHNOLOGIES LTD | 1729829 | 724.93K | 8M | Mar 31, 2026 |
| 17 | JACOBS LEVY EQUITY MANAGEMENT, INC | 884414 | 706.07K | 7.80M | Mar 31, 2026 |
| 18 | FEDERATED HERMES, INC. | 1056288 | 689.23K | 7.61M | Mar 31, 2026 |
| 19 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 682.04K | 7.53M | Mar 31, 2026 |
| 20 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 681.46K | 7.52M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.