NEXTBio Capital Management LP
CIK 2038158 · View on SEC EDGAR ↗
- Portfolio value
- $217.4M
- Positions
- 22
- As of
- June 30, 2026
#6,174 of 9,443 by 13F value · top 65.4%
Portfolio value QoQ: +0.9% 13F does not disclose cash
- Top 10 holdings weight
- 77.70%
- Top 25 holdings weight
- 100.00%
- Positions above 1%
- 20
- Effective number of positions
- 13.5
Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)
Turnover Q2 2026: 13.02% Est. buys $28,175,236 · sells $52,334,652
- New positions
- 3
- Increased
- 7
- Decreased
- 5
- Closed
- 5
On this page
- Sector breakdown How the portfolio splits across market sectors.
- Portfolio Every stock this institution reports holding, from its latest 13F.
- Biggest new bets Brand-new positions opened in the latest quarter.
- Top moves The biggest position increases and decreases this quarter.
- Exited positions Positions the manager fully sold out of last quarter.
Sector breakdown
Healthcare
100.0%
Full portfolio 22 positions
| Type | Streak | 8Q trend | |||||
|---|---|---|---|---|---|---|---|
| PTGX Protagonist Therapeutics, Inc. - Common Stock | $26,885,839 | 12.37% | 219,333 | $2,683,996 | Down ×1 | ||
| STTK Shattuck Labs, Inc. - Common Stock | $25,867,795 | 11.90% | 3,727,348 | $5,613,893 | Up ×1 | ||
| CMPS COMPASS Pathways Plc - American Depository Shares | $25,126,990 | 11.56% | 1,775,759 | $13,948,609 | Down ×1 | ||
| GPCR Structure Therapeutics Inc. - American Depositary Shares | $16,771,660 | 7.71% | 312,496 | $10,349,540 | Up ×2 | ||
| VOR Vor Biopharma Inc. - Common Stock | $16,369,509 | 7.53% | 889,164 | $-1,469,902 | Down ×1 | ||
| RYTM Rhythm Pharmaceuticals, Inc. - Common Stock | $14,629,091 | 6.73% | 131,758 | $3,664,087 | Up ×2 | ||
| PVLA Palvella Therapeutics, Inc. - Common Stock | $13,739,893 | 6.32% | 89,909 | $3,433,083 | Up ×1 | ||
| XENE Xenon Pharmaceuticals Inc. - Common Shares | $11,059,461 | 5.09% | 183,225 | $404,927 | |||
| ZBIO Zenas BioPharma, Inc. - Common Stock | $10,830,560 | 4.98% | 426,736 | $2,487,871 | |||
| ORIC Oric Pharmaceuticals, Inc. - Common Stock | $7,647,323 | 3.52% | 706,124 | $1,013,070 | Up ×1 | ||
| IVA Inventiva S.A. - American Depository Shares | $6,758,580 | 3.11% | 1,787,984 | $-642,256 | Up ×2 | ||
| CBIO Crescent Biopharma, Inc. - Common Stock | $6,711,408 | 3.09% | 372,856 | $-137,957 | |||
| PCVX Vaxcyte, Inc. - Common Stock | $6,232,873 | 2.87% | 107,223 | $699,464 | Up ×1 | ||
| COGT Cogent Biosciences, Inc. - Common Stock | $5,072,603 | 2.33% | 131,075 | $23,177 | Down ×1 | ||
| VSTM Verastem, Inc. - Common Stock | $4,991,976 | 2.30% | 1,306,800 | $-1,934,064 | |||
| IRON Disc Medicine, Inc. - Common Stock | $3,851,187 | 1.77% | 52,655 | $484,426 | |||
| PHVS Pharvaris N.V. - Ordinary Shares | $3,736,542 | 1.72% | 108,055 | Up ×1 | |||
| ZLAB Zai Lab Limited - American Depositary Shares | $3,483,878 | 1.60% | 183,362 | $34,839 | |||
| BIOA BioAge Labs, Inc. - Common Stock | $2,468,941 | 1.14% | 100,732 | Up ×1 | |||
| LBRX LB Pharmaceuticals Inc - Common Stock | $2,215,021 | 1.02% | 68,249 | Up ×1 | |||
| EVMN Evommune, Inc. Common Stock | $1,582,347 | 0.73% | 119,063 | $-2,649,261 | Down ×2 | ||
| ACET Adicet Bio, Inc. - Common Stock | $1,363,625 | 0.63% | 157,827 | $288,823 | |||
| No matches | |||||||
Biggest new bets
New positions opened this quarter, largest first.
Top movers (QoQ)
| Security | Action | Shares Δ | Value Δ |
|---|---|---|---|
| CMPS | Trimmed | -246K | +$13.9M |
| GPCR | Bought more | +179K | +$10.3M |
| STTK | Bought more | +577K | +$5.6M |
| RYTM | Bought more | +6K | +$3.7M |
| PVLA | Bought more | +7K | +$3.4M |
| PTGX | Trimmed | -10K | +$2.7M |
| EVMN | Trimmed | -65K | -$2.6M |
| ZBIO | Price move only | +0 | +$2.5M |
| VSTM | Price move only | +0 | -$1.9M |
| VOR | Trimmed | -111K | -$1.5M |
Exited positions
Includes corporate events (mergers, delistings) — not all exits are sells
Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.
| Security | Quarter | Shares before | Value before | Price since exit |
|---|---|---|---|---|
| TERN | June 30, 2026 | 604,534 | $31,871,032 | No longer tracked |
| CMPX | June 30, 2026 | 848,204 | $4,486,999 | 11.9% |
| OCS | June 30, 2026 | 149,592 | $3,977,651 | -4.3% |
| KALV | June 30, 2026 | 131,796 | $2,653,053 | No longer tracked |
| SMMT | June 30, 2026 | 89,717 | $1,701,034 | -13.7% |