Bain Capital Life Sciences Investors, LLC
Net buyer this quarter
$1.68B
21
+$434M
87.9%
Holdings
| Company | Value | % of portfolio | % of company | POSITION CHANGE qoq % | First reported |
|---|---|---|---|---|---|
| Q2 2026 | |||||
 KLRA | $498M | 29.58% | 17.42% | New | Q2 2026 |
 HTFL | $248M | 14.74% | 9.74% | -19.1% | Q3 2025 |
 NAMS | $129M | 7.67% | 3.24% | -47.9% | Q4 2022 |
 SVRA | $108M | 6.45% | 8.57% | Not reported | Q4 2019 |
 ALKS | $102M | 6.04% | 1.16% | +217.7% | Q1 2026 |
 SLDB | $98M | 5.83% | 9.33% | Not reported | Q1 2018 |
 PHVS | $92.5M | 5.50% | 4.10% | Not reported | Q1 2021 |
 OLMA | $88.6M | 5.27% | 8.10% | -5.2% | Q4 2024 |
 COAG | $60.6M | 3.60% | 3.53% | New | Q2 2026 |
 CABA | $53.6M | 3.19% | 10.57% | +78.2% | Q2 2023 |
 XFOR | $37.2M | 2.21% | 8.29% | Not reported | Q4 2019 |
 DNTH | $35.3M | 2.10% | 0.66% | Not reported | Q1 2024 |
 CCCC | $33.5M | 1.99% | 5.84% | Not reported | Q4 2020 |
 KYTX | $25.7M | 1.53% | 4.69% | -7.2% | Q1 2024 |
 ANNX | $25.3M | 1.51% | 2.97% | -14.9% | Q3 2020 |
 RPID | $14.6M | 0.87% | Not reported | Not reported | Q3 2021 |
 IRON | $10.3M | 0.61% | 0.37% | Not reported | Q1 2023 |
 AVIR | $9.65M | 0.57% | 2.59% | -12.1% | Q4 2020 |
 XLO | $6.36M | 0.38% | 10.09% | Not reported | Q4 2021 |
 UPB | $4.16M | 0.25% | 1.10% | -30.7% | Q4 2024 |
| NAMSW | $2.14M | 0.13% | Not reported | Not reported | Q4 2022 |
| Q1 2026 | |||||
| HTFL | $254M | 22.93% | 12.13% | -16.1% | Q3 2025 |
| NAMS | $234M | 21.09% | 6.26% | Not reported | Q4 2022 |
| OLMA | $111M | 10.05% | 8.56% | -12.2% | Q4 2024 |
| SVRA | $96.1M | 8.67% | 8.59% | Not reported | Q4 2019 |
| PHVS | $75.6M | 6.82% | 4.10% | -4.5% | Q1 2021 |
| SLDB | $70.6M | 6.37% | 9.97% | +24.0% | Q1 2018 |
| XFOR | $32.9M | 2.97% | 8.45% | Not reported | Q4 2019 |
| DNTH | $30.4M | 2.74% | 0.66% | -51.3% | Q1 2024 |
| ANNX | $28.9M | 2.60% | 3.49% | -0.7% | Q3 2020 |
| KYTX | $26.8M | 2.42% | 5.14% | Not reported | Q1 2024 |
| CABA | $26M | 2.35% | 8.69% | Not reported | Q2 2023 |
| CNTA | $25.2M | 2.27% | 0.41% | New | Q1 2026 |
| ALKS | $21.6M | 1.95% | 0.37% | New | Q1 2026 |
| RPID | $19.1M | 1.73% | Not reported | Not reported | Q3 2021 |
| CCCC | $18.9M | 1.70% | 6.89% | Not reported | Q4 2020 |
| AVIR | $12.7M | 1.15% | 2.95% | -5.0% | Q4 2020 |
| IRON | $9.03M | 0.81% | 0.37% | Not reported | Q1 2023 |
| UPB | $7.8M | 0.70% | 1.59% | -34.8% | Q4 2024 |
| XLO | $5.58M | 0.50% | 11.48% | +26.1% | Q4 2021 |
| NAMSW | $2M | 0.18% | Not reported | Not reported | Q4 2022 |
| Q4 2025 | |||||
| HTFL | $363M | 27.79% | 14.60% | Not reported | Q3 2025 |
| NAMS | $256M | 19.63% | 6.39% | -31.8% | Q4 2022 |
| OLMA | $213M | 16.29% | 10.46% | +24.3% | Q4 2024 |
| SVRA | $106M | 8.13% | 8.60% | Not reported | Q4 2019 |
| PHVS | $77.8M | 5.96% | 4.30% | -11.9% | Q1 2021 |
| SLDB | $44.6M | 3.42% | 10.02% | Not reported | Q1 2018 |
| UPB | $36.1M | 2.76% | 2.45% | -45.5% | Q4 2024 |
| XFOR | $31.9M | 2.44% | 8.76% | +227.0% | Q4 2019 |
| DNTH | $30.6M | 2.35% | 1.72% | -43.5% | Q1 2024 |
| KYTX | $29.2M | 2.24% | 5.15% | -7.7% | Q1 2024 |
| ANNX | $26.4M | 2.02% | 3.51% | Not reported | Q3 2020 |
| RPID | $24.5M | 1.87% | Not reported | Not reported | Q3 2021 |
| CABA | $21.2M | 1.62% | 9.63% | Not reported | Q2 2023 |
| CCCC | $13.7M | 1.05% | 7.40% | +545.0% | Q4 2020 |
| MRSN | $10M | 0.77% | 6.93% | Not reported | Q2 2020 |
| AVIR | $8.87M | 0.68% | 3.18% | Not reported | Q4 2020 |
 TNGX | $5.79M | 0.44% | 0.48% | -75.9% | Q3 2021 |
| XLO | $4.72M | 0.36% | 162.73% | +61.4% | Q4 2021 |
| NAMSW | $2.3M | 0.18% | Not reported | 0.0% | Q4 2022 |
| Q3 2025 | |||||
| HTFL | $419M | 27.81% | 14.91% | New | Q3 2025 |
| NAMS | $305M | 20.23% | 9.47% | Not reported | Q4 2022 |
| CDTX | $289M | 19.20% | 10.30% | +20.8% | Q3 2024 |
| PHVS | $79.4M | 5.27% | 5.85% | -3.7% | Q1 2021 |
| OLMA | $67M | 4.45% | 9.97% | Not reported | Q4 2024 |
| SVRA | $62.8M | 4.17% | 10.18% | Not reported | Q4 2019 |
| DNTH | $51.8M | 3.44% | 3.07% | -47.0% | Q1 2024 |
| SLDB | $48.8M | 3.24% | 10.16% | Not reported | Q1 2018 |
| UPB | $45.9M | 3.05% | 4.52% | Not reported | Q4 2024 |
| RPID | $28.2M | 1.87% | Not reported | Not reported | Q3 2021 |
| TNGX | $22.8M | 1.51% | 2.43% | Not reported | Q3 2021 |
| CABA | $22.6M | 1.50% | 10.05% | Not reported | Q2 2023 |
| KYTX | $20.2M | 1.34% | 7.69% | Not reported | Q1 2024 |
| ANNX | $16M | 1.06% | 4.80% | Not reported | Q3 2020 |
| XFOR | $8.33M | 0.55% | 9.69% | +332.1% | Q4 2019 |
| AVIR | $7.21M | 0.48% | 3.18% | Not reported | Q4 2020 |
| XLO | $3.85M | 0.26% | 8.81% | Not reported | Q4 2021 |
| MRSN | $2.69M | 0.18% | 6.93% | -96.0% | Q2 2020 |
| CCCC | $2.47M | 0.16% | 1.50% | Not reported | Q4 2020 |
 IPSC | $1.76M | 0.12% | 4.09% | -34.6% | Q2 2024 |
| NAMSW | $1.71M | 0.11% | Not reported | Not reported | Q4 2022 |