# NEXTBio Capital Management LP: Form 13F holdings

An institutional investment manager in AUSTIN, TX. SEC CIK 2038158.

- Quarter ended: 2026-06-30
- Filed: 2026-08-14
- Reported value: $217.4m
- Positions: 22 (22 lines in the filing's table; lines for the same security and option type are added together here)
- Compared with: the 13F for the quarter ended 2026-03-31
- Filing: https://www.sec.gov/Archives/edgar/data/2038158/000117266126003533/

## Holdings

As filed, largest first. Reported value is what the manager stated at the quarter end (Jun 30, 2026), in US dollars; it is filing data, not a price. Weight is the share of the total reported value.

| Issuer | Class | Reported value | Weight | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | ---: | --- | --- |
| [PROTAGONIST THERAPEUTICS INC (PTGX)](/companies/ptgx.md) | COM | $26.9m | 12.4% | 219,333 |  | Reduced −10,286 |
| [SHATTUCK LABS INC (STTK)](/companies/sttk.md) | COM | $25.9m | 11.9% | 3,727,348 |  | Added +577,441 |
| [COMPASS PATHWAYS PLC (CMPS)](/companies/cmps.md) | SPONSORED ADS | $25.1m | 11.6% | 1,775,759 |  | Reduced −245,648 |
| [STRUCTURE THERAPEUTICS INC (GPCR)](/companies/gpcr.md) | SPONSORED ADS | $16.8m | 7.7% | 312,496 |  | Added +179,257 |
| [VOR BIOPHARMA INC (VOR)](/companies/vor.md) | COM NEW | $16.4m | 7.5% | 889,164 |  | Reduced −110,803 |
| [RHYTHM PHARMACEUTICALS INC (RYTM)](/companies/rytm.md) | COM | $14.6m | 6.7% | 131,758 |  | Added +5,680 |
| [PALVELLA THERAPEUTICS INC NE (PVLA)](/companies/pvla.md) | COM | $13.7m | 6.3% | 89,909 |  | Added +7,223 |
| [XENON PHARMACEUTICALS INC (XENE)](/companies/xene.md) | COM | $11.1m | 5.1% | 183,225 |  | Unchanged |
| [ZENAS BIOPHARMA INC (ZBIO)](/companies/zbio.md) | COM | $10.8m | 5.0% | 426,736 |  | Unchanged |
| [ORIC PHARMACEUTICALS INC (ORIC)](/companies/oric.md) | COM | $7.6m | 3.5% | 706,124 |  | Added +182,505 |
| [INVENTIVA SA (IVA)](/companies/iva.md) | ADS | $6.8m | 3.1% | 1,787,984 |  | Added +454,500 |
| CRESCENT BIOPHARMA INC. | COM | $6.7m | 3.1% | 372,856 |  | Unchanged |
| [VAXCYTE INC (PCVX)](/companies/pcvx.md) | COM | $6.2m | 2.9% | 107,223 |  | Added +12,000 |
| [COGENT BIOSCIENCES INC (COGT)](/companies/cogt.md) | COM | $5.1m | 2.3% | 131,075 |  | Reduced −113 |
| [VERASTEM INC (VSTM)](/companies/vstm.md) | COM NEW | $5.0m | 2.3% | 1,306,800 |  | Unchanged |
| [DISC MEDICINE INC (IRON)](/companies/iron.md) | COM | $3.9m | 1.8% | 52,655 |  | Unchanged |
| PHARVARIS N V | COM | $3.7m | 1.7% | 108,055 |  | New +108,055 |
| [ZAI LAB LTD (ZLAB)](/companies/zlab.md) | ADR | $3.5m | 1.6% | 183,362 |  | Unchanged |
| [BIOAGE LABS INC (BIOA)](/companies/bioa.md) | COM | $2.5m | 1.1% | 100,732 |  | New +100,732 |
| [LB PHARMACEUTICALS INC (LBRX)](/companies/lbrx.md) | COM SHS | $2.2m | 1.0% | 68,249 |  | New +68,249 |
| [EVOMMUNE INC (EVMN)](/companies/evmn.md) | COM SHS | $1.6m | 0.7% | 119,063 |  | Reduced −65,000 |
| [ADICET BIO INC (ACET)](/companies/acet.md) | COM NEW | $1.4m | 0.6% | 157,827 |  | Unchanged |

## Sold out

Held at the end of the quarter before and not reported this quarter.

| Issuer | Class | Reported value | Weight | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | ---: | --- | --- |
| [COMPASS THERAPEUTICS INC (CMPX)](/companies/cmpx.md) | COM | $0 | 0.0% | 0 |  | Sold out −848,204 |
| KALVISTA PHARMACEUTICALS INC | COM | $0 | 0.0% | 0 |  | Sold out −131,796 |
| OCULIS HOLDING AG | ORDINARY SHARES | $0 | 0.0% | 0 |  | Sold out −149,592 |
| [SUMMIT THERAPEUTICS INC (SMMT)](/companies/smmt.md) | COM | $0 | 0.0% | 0 |  | Sold out −89,717 |
| TERNS PHARMACEUTICALS INC | COM | $0 | 0.0% | 0 |  | Sold out −604,534 |

Source: SEC EDGAR, Form 13F-HR, accession 0001172661-26-003533. Last ingested by Listed: Oct 22, 2026, 05:26 ET. No prices; not investment advice.