Catalys Pacific, LLC — 13F Holdings & Portfolio

CIK 2011385 · latest 13F-HR filed 2026-05-14

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

$230.7M

Long-equity book

Holdings

2

Distinct positions

Period

2026-03-31

Filed 2026-05-14

Q/Q Activity

+0 / −0 / ↑0 / ↓2

vs 2025-12-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • No increased positions.
Show all 0

Top Trims

  • Mineralys Therapeutics, Inc.-$72.7M -25.4%
  • Phathom Pharmaceuticals, Inc.-$7.1M -30.0%
Show all 2

New Positions

  • No new positions this quarter.
Show all 0

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 Mineralys Therapeutics, Inc. MLYS 603170101 $214.1M 92.81% 7,903,838 SH
2 Phathom Pharmaceuticals, Inc. PHAT 71722W107 $16.6M 7.19% 1,493,854 SH
Filing History
Period Filed AUM Holdings Accession
2026-03-31 2026-05-14 $230.7M 2 0001104659-26-060911
2025-12-31 2026-02-10 $310.5M 2 0001104659-26-012485
2025-09-30 2025-11-14 $351.4M 2 0001104659-25-112029