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ROCKWOOD RESEARCH · A CORPORATE FILINGS WEBSITE|STRAIGHT FROM THE SOURCE · SEC EDGAR|SPONSOREDYour message on this tape — bid on the Rockwood Ad Exchange · Rockwood Ad Exchange|
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Tybourne Capital Management (HK)

Long / Short
Manager
Tybourne Capital Management (HK)
Quarter
Q3 2025
13F value
$30.9M
Positions
4
CIK
0001553936
StaleLatest 13F is 3 quarters old — this filer may be inactive or wound down. Figures reflect Q3 2025 and are excluded from the Market Overview.
SHARE:XLINKEDINEMAIL
Weights are % of 13F book — no reported capital figure for this filer.i
Taysha Gene Therapies Inc (tsha US)TSHAHISTORY39.11%(9.6%)
Forte Biosciences Inc (fbrx US)34962G208HISTORY38.15%—
Alumis Inc (alms US)ALMSHISTORY18.05%—
Zentalis Pharmaceuticals Inc (zntl US)ZNTLHISTORY4.69%(35.0%)
Positions are from the latest 13F-HR (period end 2025-09-30). Weights are calculated: position value ÷ the 13F book. Rows marked Off-13F are >5% stakes disclosed on a Schedule 13D/13G dated after the latest 13F; they report shares and percent of class but no dollar value. Chg Shares and % Chg compare with the adjacent prior quarter's 13F only. % Out is either calculated (position shares ÷ issuer shares outstanding from the issuer's XBRL cover page; weighted-average basic shares as a fallback) or reported (percent of class on a Schedule 13D/13G newer than the 13F period) — hover a value for its source and date. Unavailable figures show “—”, never an estimate. Methodology