Terminal · Institutions
Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.
Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.
Bain Capital Life Sciences Investors, LLC (CIK 1703031) reported $1.11B across 19 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: ($254.2M, 22.93%), NAMS ($233.9M, 21.09%), OLMA ($111.4M, 10.05%), SVRA ($96.1M, 8.67%), PHVS ($75.6M, 6.82%). Source: SEC Form 13F.
| Rank | Ticker | Company | Value | % Portfolio | Shares | Action |
|---|---|---|---|---|---|---|
| 1 | HEARTFLOW INC | $254.2M | 22.93% | 10.4M | Trimmed | |
| 2 | NAMS | NEWAMSTERDAM PHARMA COMPANY | $233.9M | 21.09% | 7.3M | Hold |
| 3 | OLMA | OLEMA PHARMACEUTICALS INC | $111.4M | 10.05% | 7.5M | Trimmed |
| 4 | SVRA | SAVARA INC | $96.1M | 8.67% | 17.6M | Hold |
| 5 | PHVS | PHARVARIS N V | $75.6M | 6.82% | 2.7M | Trimmed |
| 6 | SLDB | SOLID BIOSCIENCES INC | $70.6M | 6.37% | 9.8M | Added |
| 7 | XFOR | X4 PHARMACEUTICALS INC | $32.9M | 2.97% | 8.0M | Hold |
| 8 | DNTH | DIANTHUS THERAPEUTICS INC | $30.4M | 2.74% | 362,470 | Trimmed |
| 9 | ANNX | ANNEXON INC | $28.9M | 2.60% | 5.2M | Trimmed |
| 10 | KYTX | KYVERNA THERAPEUTICS INC | $26.8M | 2.42% | 3.1M | Hold |
| 11 | CABA | CABALETTA BIO INC | $26.0M | 2.35% | 9.7M | Hold |
| 12 | CNTA | CENTESSA PHARMACEUTICALS | $25.2M | 2.27% | 635,000 | New |
| 13 | ALKS | ALKERMES PLC | $21.6M | 1.95% | 610,000 | New |
| 14 | RPID | RAPID MICRO BIOSYSTEMS INC | $19.1M | 1.73% | 8.4M | Hold |
| 15 | CCCC | C4 THERAPEUTICS INC | $18.9M | 1.70% | 7.2M | Hold |
| 16 | AVIR | ATEA PHARMACEUTICALS INC | $12.7M | 1.15% | 2.4M | Trimmed |
| 17 | IRON | DISC MEDICINE INC | $9.0M | 0.81% | 141,234 | New |
| 18 | UPB | UPSTREAM BIO INC | $7.8M | 0.70% | 867,211 | Trimmed |
| 19 | XLO | XILIO THERAPEUTICS INC | $5.6M | 0.50% | 664,021 | New |
| 20 | NAMSW | NEWAMSTERDAM PHARMA COMPANY | $2.0M | 0.18% | 99,999 | Hold |
| 21 | MRSN | MERSANA THERAPEUTICS INC | $0 | 0.00% | 0 | Exited |
| 22 | TNGX | TANGO THERAPEUTICS INC | $0 | 0.00% | 0 | Exited |
| 23 | XLO | XILIO THERAPEUTICS INC | $0 | 0.00% | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31