Skip to content
Disclosery

13F-HR filed by Tetragon Partners GP Ltd

Tetragon Partners GP Ltd filed this 13F-HR for the quarter ended 2026-03-31, filed 2026-05-15, with 36 holding rows worth $515,114,933.

Accession
0000919574-26-003297
Filer
CIK 1515070
Filed
2026-05-15
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q1 2026

A holdings report, 40 entries on the cover page, a total value of $515,114,933 stated on the cover page (in dollars after the unit check, H1), rows summing to $515,114,933 with VALUE read as dollars as filed, 13F file number 028-15287. The quarter's positions are built on this report. The resolved quarter.

Other managers

The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).

Issuer as filedCUSIPClassAmountValueValue read asType
UIPATH INC90364P105CL A25,207,628$279,804,671dollars as filed
KOLIBRI GLOBAL ENERGY INC50043K406COMMON STOCK6,834,504$37,521,427dollars as filed
WARNER BROS DISCOVERY INC COM SER A934423104Stock923,725$25,365,489dollars as filed
WORKIVA INC COM CL A98139A105Stock250,000$14,907,500dollars as filed
LYFT INC55087P104CL A COM1,000,000$13,300,000dollars as filed
SPRINKLR INC85208T107CL A2,200,000$13,200,000dollars as filed
AUTOLUS THERAPEUTICS PLC SPON05280R100COM9,500,000$13,110,000dollars as filed
CELLDEX THERAPEUTICS INC NEW15117B202COM NEW312,316$9,906,664dollars as filed
ARROWHEAD PHARMACEUTICALS IN04280A100COM127,198$7,975,315dollars as filed
NEKTAR THERAPEUTICS640268306COMMON STOCK103,037$7,413,512dollars as filed
ANNEXON INC03589W102COM1,292,455$7,160,201dollars as filed
PHARVARIS NVN69605108COMMON STOCK221,611$6,260,511dollars as filed
AXSOME THERAPEUTICS INC. COM05464T104Stock35,000$5,915,700dollars as filedcall
ALKERMES PLCG01767105SHS159,791$5,650,210dollars as filed
AGIOS PHARMACEUTICALS INC00847X104COM164,839$5,576,503dollars as filed
IMMUNOVANT INC45258J102COM218,507$5,427,714dollars as filed
PRAXIS PRECISION MEDICINES I74006W207COM NEW15,952$5,139,575dollars as filed
KRYSTAL BIOTECH INC COM501147102Stock19,668$5,080,638dollars as filed
DYNE THERAPEUTICS INC COM26818M108Stock258,132$4,679,933dollars as filed
AMYLYX PHARMACEUTICALS INC03237H101COM317,877$4,418,490dollars as filed
MBX BIOSCIENCES INC COM55287L101Stock145,480$4,342,578dollars as filed
DEFINIUM THERAPEUTICS INC24477V105COM SHS199,994$3,779,887dollars as filed
SOLENO THERAPEUTICS INC834203309COM102,125$3,419,145dollars as filed
AXSOME THERAPEUTICS INC. COM05464T104Stock20,059$3,390,372dollars as filed
HARMONY BIOSCIENCES HLDGS IN413197104COM119,340$3,342,713dollars as filed
SILENCE THERAPEUTICS PLC82686Q101ADS630,161$3,320,948dollars as filed
ACADIA PHARMACEUTICALS INC004225108COM144,620$3,219,241dollars as filed
IONIS PHARMACEUTICALS INC COM462222100Stock41,764$3,136,059dollars as filed
MAPLIGHT THERAPEUTICS INC56565P103COMMON STOCK112,115$2,279,298dollars as filed
RELAY THERAPEUTICS INC COM75943R102Stock181,543$1,806,353dollars as filed
SNOWFLAKE INC COM SHS833445109Stock10,000$1,508,200dollars as filed
AARDVARK THERAPEUTICS INC002942100COM316,621$1,193,661dollars as filed
TECTONIC THERAPEUTIC INC878972108COMMON STOCK37,588$1,161,845dollars as filed
ULTRAGENYX PHARMACEUTICAL IN90400D108COM39,473$826,959dollars as filed
KARYOPHARM THERAPEUTICS INC48576U205COMMON STOCK52,984$295,121dollars as filed
KARYOPHARM THERAPEUTICS INC48576U205COMMON STOCK50,000$278,500dollars as filedcall

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0000919574-26-003297this filing2026-05-15acceptance time not in the bulk data set