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TYBOURNE CAPITAL MANAGEMENT (HK) LTD

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13F filer, CIK 1553936, HONG KONG, Hong Kong

TYBOURNE CAPITAL MANAGEMENT (HK) LTD reported $30,933,557 across 4 holdings for the quarter ended 2025-09-30, in a 13F-HR filed 2025-11-06.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001553936-25-000013

Period
2025-09-30
Reported value
$30.9M
Holdings
4
Top 10 weight
100%
New
0
Sold out
2

Largest buys vs the previous quarter

None.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
BCYCexited-993,743-$6.91M
MBUUexited-66,705-$2.09M
TSHAreduced-395,000-$1.29M
ZNTLreduced-516,666-$780K

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, Q3 2025

Share positions as resolved from 13F-HR 0001553936-25-000013, largest first. % of portfolio is the value over $30,933,557, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
TSHATAYSHA GENE THERAPIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: 3,700,000 shares; 2024Q1: 3,700,000 shares; 2024Q2: 3,700,000 shares; 2024Q3: 3,700,000 shares; 2024Q4: 3,700,000 shares; 2025Q1: 3,700,000 shares; 2025Q2: 4,095,000 shares; 2025Q3: 3,700,000 shares 3,700,000$12.1M39.11%-395,000Timeline
FBRXFORTE BIOSCIENCES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: not reported; 2024Q1: not reported; 2024Q2: not reported; 2024Q3: 144,981 shares; 2024Q4: 619,981 shares; 2025Q1: 619,981 shares; 2025Q2: 786,647 shares; 2025Q3: 786,647 shares 786,647$11.8M38.15%0Timeline
ALMSALUMIS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: not reported; 2024Q1: not reported; 2024Q2: not reported; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 1,399,250 shares; 2025Q3: 1,399,250 shares 1,399,250$5.58M18.05%0Timeline
ZNTLZENTALIS PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: 961,486 shares; 2024Q1: 961,486 shares; 2024Q2: 961,486 shares; 2024Q3: 961,486 shares; 2024Q4: 961,486 shares; 2025Q1: 961,486 shares; 2025Q2: 1,478,152 shares; 2025Q3: 961,486 shares 961,486$1.45M4.69%-516,666Timeline

Sold out in Q3 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
BCYCBICYCLE THERAPEUTICS PLC993,743$6.91Mshares
MBUUMALIBU BOATS INC66,705$2.09Mshares

How Q3 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 0001553936-25-000013 base2025-11-06acceptance time not in the bulk data set