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TRV GP VI, LLC

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13F filer, CIK 1990716, Boston, MA

TRV GP VI, LLC reported $232,275,395 across 4 holdings for the quarter ended 2026-06-30, in a 13F-HR filed 2026-08-10.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001193125-26-340715

Period
2026-06-30
Reported value
$232M
Holdings
4
Top 10 weight
100%
New
1
Sold out
0

Largest buys vs the previous quarter

SecurityShares changeApprox. value
SPTXnew+2,061,222$44.8M

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

None.

Holdings, Q2 2026

Share positions as resolved from 13F-HR 0001193125-26-340715, largest first. % of portfolio is the value over $232,275,395, 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; 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; 2026Q1: 4,211,659 shares; 2026Q2: 4,211,659 shares 4,211,659$141M60.72%0Timeline
SPTXSEAPORT THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 2,061,222 shares 2,061,222$44.8M19.27%newTimeline
RAPPRAPPORT THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: 969,218 shares; 2025Q1: 969,218 shares; 2025Q2: 969,218 shares; 2025Q3: 969,218 shares; 2025Q4: 969,218 shares; 2026Q1: 969,218 shares; 2026Q2: 969,218 shares 969,218$40.4M17.39%0Timeline
TNGXTANGO THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: 194,174 shares; 2025Q1: 194,174 shares; 2025Q2: 194,174 shares; 2025Q3: 194,174 shares; 2025Q4: 194,174 shares; 2026Q1: 194,174 shares; 2026Q2: 194,174 shares 194,174$6.07M2.61%0Timeline

How Q2 2026 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 0001193125-26-340715 base2026-08-10acceptance time not in the bulk data set