NEXTBio Capital Management LP

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 14, 2026), NEXTBio Capital Management LP reported 24 stock positions worth $215.4 million. Its top holding was Terns Pharmaceuticals (TERN) at 14.8% of the portfolio, followed by Protagonist Therapeutics (PTGX, 11.2%) and Shattuck Labs (STTK, 9.4%). Compared with Q4 2025, it opened 1 new position, added to 9 and reduced 7. The biggest buy was Compass Pathways (CMPS, shares +169%) and the biggest sale Verastem (VSTM, shares −0%).

Most Recent 13F
Q2 2026
Location
AUSTIN, TX
CIK
0002038158
Portfolio Value
$215.4M (Q1 2026)
SEC Filing
0001172661-26-001957 ↗ filed May 14, 2026

Holdings Value

0$50.0M$100.0M$150.0M$200.0M$250.0M Q4 2025: $170.5M Q4 2025 Q1 2026: $215.4M $215.4M Q1 2026 Q2 2026: $217.4M Q2 2026

Holdings 24 stocks · $215.4M

TERN Terns Pharmaceuticals Inc. 14.80% 604,534 $31.9M Add +9.7%
PTGX Protagonist Therapeutics Inc. 11.24% 229,619 $24.2M No change
STTK Shattuck Labs Inc. 9.40% 3,149,907 $20.3M No change
VOR Vor Biopharma Inc. 8.28% 999,967 $17.8M No change
CMPS Compass Pathways PLC 5.19% 2,021,407 $11.2M Add +168.6%
RYTM Rhythm Pharmaceuticals Inc. 5.09% 126,078 $11.0M Add +86.5%
XENE Xenon Pharmaceuticals Inc. 4.95% 183,225 $10.7M Reduce -0.3%
PVLA Palvella Therapeutics Inc. 4.79% 82,686 $10.3M No change
ZBIO Zenas Biopharma Inc. 3.87% 426,736 $8.3M Add +32.5%
IVA Inventiva SA - ADR 3.44% 1,333,484 $7.4M Add +2.7%
VSTM Verastem Inc. 3.22% 1,306,800 $6.9M Reduce -0.0%
CBIO Crescent Biopharma Inc. 3.18% 372,856 $6.8M No change
ORIC Oric Pharmaceuticals Inc. 3.08% 523,619 $6.6M Reduce -15.0%
GPCR Structure Therapeutics Inc. 2.98% 133,239 $6.4M Add +41.1%
PCVX Vaxcyte Inc. 2.57% 95,223 $5.5M Reduce -0.3%
COGT Cogent Biosciences Inc. 2.34% 131,188 $5.0M Add +36.9%
CMPX Compass Therapeutics Inc. 2.08% 848,204 $4.5M Reduce -23.9%
EVMN Evommune Inc. 1.96% 184,063 $4.2M Reduce -19.4%
OCS Oculis Holding AG 1.85% 149,592 $4.0M Reduce -0.1%
ZLAB Zai Lab Ltd.-ADR 1.60% 183,362 $3.4M Add +12.2%
IRON Disc Medicine Inc. 1.56% 52,655 $3.4M Add +23.1%
KALV Kalvista Pharmaceuticals Inc. 1.23% 131,796 $2.7M No change
SMMT Summit Therapeutics Inc. 0.79% 89,717 $1.7M New
ACET Adicet Bio Inc. 0.50% 157,827 $1.1M No change

Portfolio Sells Q4 2025 → Q1 2026

VSTM Verastem Inc. Reduce -0.0% 3.22% −2.70
CMPX Compass Therapeutics Inc. Reduce -23.9% 2.08% −1.43
EVMN Evommune Inc. Reduce -19.4% 1.96% −0.33
PCVX Vaxcyte Inc. Reduce -0.3% 2.57% −0.01
OCS Oculis Holding AG Reduce -0.1% 1.85% +0.09
XENE Xenon Pharmaceuticals Inc. Reduce -0.3% 4.95% +0.12
ORIC Oric Pharmaceuticals Inc. Reduce -15.0% 3.08% +0.13

Portfolio Buys Q4 2025 → Q1 2026

CMPS Compass Pathways PLC Add +168.6% 5.19% +2.14
TERN Terns Pharmaceuticals Inc. Add +9.7% 14.80% +1.74
RYTM Rhythm Pharmaceuticals Inc. Add +86.5% 5.09% +0.85
SMMT Summit Therapeutics Inc. New 0.79% +0.79
COGT Cogent Biosciences Inc. Add +36.9% 2.34% +0.35
ZLAB Zai Lab Ltd.-ADR Add +12.2% 1.60% −0.09
IVA Inventiva SA - ADR Add +2.7% 3.44% −0.11
IRON Disc Medicine Inc. Add +23.1% 1.56% −0.43
GPCR Structure Therapeutics Inc. Add +41.1% 2.98% −0.87
ZBIO Zenas Biopharma Inc. Add +32.5% 3.87% −2.98

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 22$217.4MPTGX, STTK, CMPS, GPCR, VOR
Q1 2026 24$215.4MTERN, PTGX, STTK, VOR, CMPS
Q4 2025 23$170.5MTERN, PTGX, VOR, ZBIO, STTK