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Disclosery

TRV GP VI, LLC

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13F filer, CIK 1990716, Boston, MA

TRV GP VI, LLC reported $148,547,509 across 3 holdings for the quarter ended 2025-12-31, in a 13F-HR filed 2026-02-13.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001193125-26-051801

Period
2025-12-31
Reported value
$149M
Holdings
3
Top 10 weight
100%
New
0
Sold out
0

Holdings, Q4 2025

Share positions as resolved from 13F-HR 0001193125-26-051801, largest first. % of portfolio is the value over $148,547,509, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
SEPNSEPTERNA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 3,152,456 shares; 2025Q1: 4,211,659 shares; 2025Q2: 4,211,659 shares; 2025Q3: 4,211,659 shares; 2025Q4: 4,211,659 shares 4,211,659$117M79.05%0Timeline
RAPPRAPPORT THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 969,218 shares; 2025Q1: 969,218 shares; 2025Q2: 969,218 shares; 2025Q3: 969,218 shares; 2025Q4: 969,218 shares 969,218$29.4M19.8%0Timeline
TNGXTANGO THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 194,174 shares; 2025Q1: 194,174 shares; 2025Q2: 194,174 shares; 2025Q3: 194,174 shares; 2025Q4: 194,174 shares 194,174$1.72M1.16%0Timeline

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 0001193125-26-051801 base2026-02-13acceptance time not in the bulk data set