Institutional Manager · CIK 0001744967
SAMSARA BIOCAPITAL, LLC
PALO ALTO, CA · File #028-19375
Latest AUM
$969.3M
Positions
21
Top-10 Concentration
91.6%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| ADD | SCHOLAR ROCK HLDG CORP | SRRK | +1,284,756 | +$56.6M | +$38.2M |
| NEW | INVENTIVA SA | IVEVF | +5,194,805 | +$24.2M | $0 |
| EXITED | LENZ THERAPEUTICS INC | 52635N103 | -343,012 | -$16.0M | $0 |
| REDUCE | MINERALYS THERAPEUTICS INC | MLYS | -392,133 | -$14.2M | -$10.2M |
| ADD | KALARIS THERAPEUTICS INC | KLRS | +1,500,000 | +$12.7M | +$30.5M |
| NEW | RANI THERAPEUTICS HLDGS INC | RANI | +8,500,000 | +$11.5M | $0 |
| REDUCE | PALVELLA THERAPEUTICS INC NE | PVLA | -104,817 | -$11.0M | +$8.8M |
| EXITED | AVADEL PHARMACEUTICALS PLC | G29687103 | -675,504 | -$10.3M | $0 |
| ADD | ALUMIS INC | ALMS | +955,614 | +$9.3M | +$27.7M |
| NEW | X4 PHARMACEUTICALS INC | XFOR | +1,960,000 | +$7.8M | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202521 pos · $969.3M
- 13F HOLDINGS REPORTQ/E Sep 202527 pos · $765.9M
- 13F HOLDINGS REPORTQ/E Jun 202529 pos · $488.9M
- 13F HOLDINGS REPORTQ/E Mar 202537 pos · $560.8M
- 13F HOLDINGS REPORTQ/E Dec 202443 pos · $728.6M
- 13F HOLDINGS REPORTQ/E Sep 202442 pos · $520.3M
- 13F HOLDINGS REPORTQ/E Jun 202440 pos · $477.8M
- 13F HOLDINGS REPORTQ/E Mar 202439 pos · $646.4M
- 13F HOLDINGS REPORTQ/E Dec 202341 pos · $326.7M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | SCHOLAR ROCK HLDG CORP | SRRK | 6,897,652 | $303.8M | 31.35% |
| 2 | MINERALYS THERAPEUTICS INC | MLYS | 5,871,018 | $213.1M | 21.98% |
| 3 | KALARIS THERAPEUTICS INC | KLRS | 12,948,081 | $109.3M | 11.27% |
| 4 | SEPTERNA INC | SEPN | 3,149,128 | $87.8M | 9.06% |
| 5 | ALUMIS INC | ALMS | 5,756,984 | $56.2M | 5.80% |
| 6 | NEUROGENE INC | NGNE | 1,717,127 | $35.4M | 3.65% |
| 7 | INVENTIVA SA | IVEVF | 5,194,805 | $24.2M | 2.49% |
| 8 | GOSSAMER BIO INC | GOSS | 7,222,559 | $22.4M | 2.31% |
| 9 | UPSTREAM BIO INC | UPB | 736,047 | $20.0M | 2.06% |
| 10 | AQUESTIVE THERAPEUTICS INC | AQST | 2,500,000 | $16.1M | 1.67% |
| 11 | JADE BIOSCIENCES INC | JBIO | 968,798 | $14.9M | 1.54% |
| 12 | VTV THERAPEUTICS INC | VTVT | 298,496 | $11.9M | 1.23% |
| 13 | RANI THERAPEUTICS HLDGS INC | RANI | 8,500,000 | $11.5M | 1.18% |
| 14 | PALVELLA THERAPEUTICS INC NE | PVLA | 104,817 | $11.0M | 1.13% |
| 15 | ABIVAX SA | AAVXF | 75,442 | $10.2M | 1.05% |
| 16 | X4 PHARMACEUTICALS INC | XFOR | 1,960,000 | $7.8M | 0.81% |
| 17 | NKARTA INC | NKTX | 3,507,666 | $6.5M | 0.67% |
| 18 | ARCELLX INC | ACLX | 60,873 | $4.0M | 0.41% |
| 19 | SUTRO BIOPHARMA INC | STRO | 204,503 | $2.4M | 0.24% |
| 20 | CONTINEUM THERAPEUTICS INC | CTNM | 72,245 | $825,760 | 0.09% |