NEXTBio Capital Management LP — 13F Holdings & Portfolio

CIK 2038158 · latest 13F-HR filed 2026-05-14

NEXTBio Capital Management LP manages $215.4M in 13F-reported U.S. long-equity assets across 24 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are TERN (14.80%), PTGX (11.24%), STTK (9.40%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 1 new position, exited 0, added to 17, and trimmed 4.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

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AUM

$215.4M

Long-equity book

Holdings

24

Distinct positions

Period

2026-03-31

Filed 2026-05-14

Q/Q Activity

+1 / −0 / ↑17 / ↓4

vs 2025-12-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • TERNS PHARMACEUTICALS INC$9.6M +43.1%
  • SHATTUCK LABS INC$8.8M +76.2%
  • COMPASS PATHWAYS PLC$6.0M +115.3%
  • VOR BIOPHARMA INC$4.8M +36.4%
  • PROTAGONIST THERAPEUTICS INC$4.1M +20.7%
Show all 17

Top Trims

  • ZENAS BIOPHARMA INC-$3.3M -28.6%
  • VERASTEM INC-$3.2M -31.4%
  • COMPASS THERAPEUTICS INC-$1.5M -25.0%
  • ADICET BIO INC-$254.1K -19.1%
Show all 4

New Positions

  • SUMMIT THERAPEUTICS INC$1.7M
Show all 1

Exited Positions

  • No exits this quarter.
Show all 0
All Holdings

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 TERNS PHARMACEUTICALS INC TERN 880881107 $31.9M 14.80% 604,534 SH
2 PROTAGONIST THERAPEUTICS INC PTGX 74366E102 $24.2M 11.24% 229,619 SH
3 SHATTUCK LABS INC STTK 82024L103 $20.3M 9.40% 3,149,907 SH
4 VOR BIOPHARMA INC VOR 929033207 $17.8M 8.28% 999,967 SH
5 COMPASS PATHWAYS PLC CMPS 20451W101 $11.2M 5.19% 2,021,407 SH
6 RHYTHM PHARMACEUTICALS INC RYTM 76243J105 $11.0M 5.09% 126,078 SH
7 XENON PHARMACEUTICALS INC XENE 98420N105 $10.7M 4.95% 183,225 SH
8 PALVELLA THERAPEUTICS INC NE PVLA 697947109 $10.3M 4.79% 82,686 SH
9 ZENAS BIOPHARMA INC ZBIO 98937L105 $8.3M 3.87% 426,736 SH
10 INVENTIVA SA IVA 46124U107 $7.4M 3.44% 1,333,484 SH
11 VERASTEM INC VSTM 92337C203 $6.9M 3.22% 1,306,800 SH
12 CRESCENT BIOPHARMA INC. CBIO G2545C104 $6.8M 3.18% 372,856 SH
13 ORIC PHARMACEUTICALS INC ORIC 68622P109 $6.6M 3.08% 523,619 SH
14 STRUCTURE THERAPEUTICS INC GPCR 86366E106 $6.4M 2.98% 133,239 SH
15 VAXCYTE INC PCVX 92243G108 $5.5M 2.57% 95,223 SH
16 COGENT BIOSCIENCES INC COGT 19240Q201 $5.0M 2.34% 131,188 SH
17 COMPASS THERAPEUTICS INC CMPX 20454B104 $4.5M 2.08% 848,204 SH
18 EVOMMUNE INC EVMN 30054Y107 $4.2M 1.96% 184,063 SH
19 OCULIS HOLDING AG OCS H5870P102 $4.0M 1.85% 149,592 SH
20 ZAI LAB LTD ZLAB 98887Q104 $3.4M 1.60% 183,362 SH
21 DISC MEDICINE INC IRON 254604101 $3.4M 1.56% 52,655 SH
22 KALVISTA PHARMACEUTICALS INC KALV 483497103 $2.7M 1.23% 131,796 SH
23 SUMMIT THERAPEUTICS INC SMMT 86627T108 $1.7M 0.79% 89,717 SH
24 ADICET BIO INC ACET 007002207 $1.1M 0.50% 157,827 SH
Filing History
Period Filed AUM Holdings Accession
2026-03-31 2026-05-14 $215.4M 24 0001172661-26-001957
2025-12-31 2026-02-13 $170.5M 23 0001172661-26-000761