Holders — by stockHoldings — by fund
NEXTBio Capital Management LP
Everything this manager disclosed owning in US-listed stocks — its complete Form 13F portfolio · as of 2026-06-30 · filed with the SEC up to 45 days after quarter end · CIK 0002038158
$217.4M
disclosed book value
22
positions
12.4%
largest position share
Positions, as of 2026-06-30
top 22 of 22 · 13F covers long US-listed positions only — cash, bonds, private and foreign stakes are not disclosed · PUT/CALL tags = options positions (share-equivalents), not shares held
| # | Issuer | Shares | Value | % of book |
|---|---|---|---|---|
| 1 | PTGXPROTAGONIST THERAPEUTICS INC | 219,333 | $26.9M | 12.4% |
| 2 | STTKSHATTUCK LABS INC | 3.7M | $25.9M | 11.9% |
| 3 | CMPSCOMPASS PATHWAYS PLC | 1.8M | $25.1M | 11.6% |
| 4 | GPCRSTRUCTURE THERAPEUTICS INC | 312,496 | $16.8M | 7.7% |
| 5 | VORVOR BIOPHARMA INC | 889,164 | $16.4M | 7.5% |
| 6 | RYTMRHYTHM PHARMACEUTICALS INC | 131,758 | $14.6M | 6.7% |
| 7 | PVLAPALVELLA THERAPEUTICS INC NE | 89,909 | $13.7M | 6.3% |
| 8 | XENEXENON PHARMACEUTICALS INC | 183,225 | $11.1M | 5.1% |
| 9 | ZBIOZENAS BIOPHARMA INC | 426,736 | $10.8M | 5% |
| 10 | ORICORIC PHARMACEUTICALS INC | 706,124 | $7.6M | 3.5% |
| 11 | IVAINVENTIVA SA | 1.8M | $6.8M | 3.1% |
| 12 | CBIOCRESCENT BIOPHARMA INC. | 372,856 | $6.7M | 3.1% |
| 13 | PCVXVAXCYTE INC | 107,223 | $6.2M | 2.9% |
| 14 | COGTCOGENT BIOSCIENCES INC | 131,075 | $5.1M | 2.3% |
| 15 | VSTMVERASTEM INC | 1.3M | $5.0M | 2.3% |
| 16 | IRONDISC MEDICINE INC | 52,655 | $3.9M | 1.8% |
| 17 | PHVSPHARVARIS N V | 108,055 | $3.7M | 1.7% |
| 18 | ZLABZAI LAB LTD | 183,362 | $3.5M | 1.6% |
| 19 | BIOABIOAGE LABS INC | 100,732 | $2.5M | 1.1% |
| 20 | LBRXLB PHARMACEUTICALS INC | 68,249 | $2.2M | 1% |
| 21 | EVMNEVOMMUNE INC | 119,063 | $1.6M | 0.7% |
| 22 | ACETADICET BIO INC | 157,827 | $1.4M | 0.6% |
Source: SEC Form 13F-HR, reporting period 2026-06-30. Values are the manager's filed June-30-style quarter-end marks, not live prices. Research, not investment advice.