BERKELEY HEIGHTS, NJ
KALARIS THERAPEUTICS, INC.KLRS— Latest position per institution from SEC 13F filings
15
Institutional holders
19.21M
Total shares held
109.98M
Estimated value
960.65K
Avg. position size
SAMSARA BIOCAPITAL, LLC
CIK 1744967
Shares
12.95M
Value
74.71M
Filed
Mar 31, 2026
RTW INVESTMENTS, LP
CIK 1493215
Shares
1.30M
Value
7.50M
Filed
Mar 31, 2026
PARADIGM BIOCAPITAL ADVISORS LP
CIK 1855655
Shares
700K
Value
4.04M
Filed
Mar 31, 2026
ALYESKA INVESTMENT GROUP, L.P.
CIK 1453072
Shares
572.69K
Value
3.27M
Filed
Mar 31, 2026
SIREN, L.L.C.
CIK 2005245
Shares
435.80K
Value
2.51M
Filed
Mar 31, 2026
TANG CAPITAL MANAGEMENT LLC
CIK 1232621
Shares
418.24K
Value
2.42M
Filed
Sep 30, 2025
IKARIAN CAPITAL, LLC
CIK 1778253
Shares
360K
Value
2.08M
Filed
Mar 31, 2026
OCTAGON CAPITAL ADVISORS LP
CIK 1839435
Shares
360K
Value
961.20K
Filed
Jun 30, 2025
GILEAD SCIENCES, INC.
CIK 882095
Shares
317.79K
Value
848.50K
Filed
Jun 30, 2025
PROPEL BIO MANAGEMENT, LLC
CIK 1969764
Shares
295.77K
Value
1.72M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
292.79K
Value
2.47M
Filed
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
255.35K
Value
1.47M
Filed
Mar 31, 2026
ECOR1 CAPITAL, LLC
CIK 1587114
Shares
201.72K
Value
1.62M
Filed
Mar 31, 2025
KALEHUA CAPITAL MANAGEMENT LLC
CIK 2106181
Shares
135.59K
Value
782.33K
Filed
Mar 31, 2026
RAYMOND JAMES FINANCIAL INC
CIK 720005
Shares
118.89K
Value
685.98K
Filed
Mar 31, 2026
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
110.50K
Value
637.60K
Filed
Mar 31, 2026
ADAR1 CAPITAL MANAGEMENT, LLC
CIK 1940272
Shares
100K
Value
577K
Filed
Mar 31, 2026
WOODLINE PARTNERS LP
CIK 1784547
Shares
100K
Value
577K
Filed
Mar 31, 2026
WHI TRUST CO LLC
CIK 2013902
Shares
97.49K
Value
562.53K
Filed
Mar 31, 2026
BOOTHBAY FUND MANAGEMENT, LLC
CIK 1549230
Shares
92.26K
Value
532.35K
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | SAMSARA BIOCAPITAL, LLC | 1744967 | 12.95M | 74.71M | Mar 31, 2026 |
| 2 | RTW INVESTMENTS, LP | 1493215 | 1.30M | 7.50M | Mar 31, 2026 |
| 3 | PARADIGM BIOCAPITAL ADVISORS LP | 1855655 | 700K | 4.04M | Mar 31, 2026 |
| 4 | ALYESKA INVESTMENT GROUP, L.P. | 1453072 | 572.69K | 3.27M | Mar 31, 2026 |
| 5 | SIREN, L.L.C. | 2005245 | 435.80K | 2.51M | Mar 31, 2026 |
| 6 | TANG CAPITAL MANAGEMENT LLC | 1232621 | 418.24K | 2.42M | Sep 30, 2025 |
| 7 | IKARIAN CAPITAL, LLC | 1778253 | 360K | 2.08M | Mar 31, 2026 |
| 8 | OCTAGON CAPITAL ADVISORS LP | 1839435 | 360K | 961.20K | Jun 30, 2025 |
| 9 | GILEAD SCIENCES, INC. | 882095 | 317.79K | 848.50K | Jun 30, 2025 |
| 10 | PROPEL BIO MANAGEMENT, LLC | 1969764 | 295.77K | 1.72M | Mar 31, 2026 |
| 11 | VANGUARD GROUP INC | 102909 | 292.79K | 2.47M | Dec 31, 2025 |
| 12 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 255.35K | 1.47M | Mar 31, 2026 |
| 13 | ECOR1 CAPITAL, LLC | 1587114 | 201.72K | 1.62M | Mar 31, 2025 |
| 14 | KALEHUA CAPITAL MANAGEMENT LLC | 2106181 | 135.59K | 782.33K | Mar 31, 2026 |
| 15 | RAYMOND JAMES FINANCIAL INC | 720005 | 118.89K | 685.98K | Mar 31, 2026 |
| 16 | GOLDMAN SACHS GROUP INC | 886982 | 110.50K | 637.60K | Mar 31, 2026 |
| 17 | ADAR1 CAPITAL MANAGEMENT, LLC | 1940272 | 100K | 577K | Mar 31, 2026 |
| 18 | WOODLINE PARTNERS LP | 1784547 | 100K | 577K | Mar 31, 2026 |
| 19 | WHI TRUST CO LLC | 2013902 | 97.49K | 562.53K | Mar 31, 2026 |
| 20 | BOOTHBAY FUND MANAGEMENT, LLC | 1549230 | 92.26K | 532.35K | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.