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Catalys Pacific, LLC

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13F filer, CIK 2011385, TOKYO, Japan

Catalys Pacific, LLC reported $310,537,623 across 2 holdings for the quarter ended 2025-12-31, in a 13F-HR filed 2026-02-10.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001104659-26-012485

Period
2025-12-31
Reported value
$311M
Holdings
2
Top 10 weight
100%
New
0
Sold out
0

Largest buys vs the previous quarter

SecurityShares changeApprox. value
PHATadded+261,900$4.34M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
MLYSreduced-1,000,000-$36.3M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q4 2025

Share positions as resolved from 13F-HR 0001104659-26-012485, largest first. % of portfolio is the value over $310,537,623, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
MLYSMINERALYS THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 8,644,579 shares; 2024Q4: 8,644,579 shares; 2025Q1: 8,903,838 shares; 2025Q2: 8,903,838 shares; 2025Q3: 8,903,838 shares; 2025Q4: 7,903,838 shares 7,903,838$287M92.37%-1,000,000Timeline
PHATPHATHOM PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,122,572 shares; 2024Q4: 1,167,114 shares; 2025Q1: 1,167,114 shares; 2025Q2: 1,167,114 shares; 2025Q3: 1,167,114 shares; 2025Q4: 1,429,014 shares 1,429,014$23.7M7.63%+261,900Timeline

How Q4 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001104659-26-012485 base2026-02-10acceptance time not in the bulk data set