Skip to main content
Livermore
Livermore
ZHEN

Polygon Management Ltd.

SEC CIK
0001515070
Latest filing
Aug 12, 2026

Holdings in Q1 2026

Holdings as of Mar 31, 2026, filed May 15, 2026. Long positions only; changes compare share counts with Q4 2025.

Institution overview
Positions
34
+6 vs. Q4 2025
Portfolio value
$508.9M
+$34.6M (+7.3%) vs. Q4 2025
Filed
May 15, 2026
SEC
Holdings of Polygon Management Ltd. in Q1 2026
SecurityClassSharesValue% of portfolioShare changeActionHistory
KPTIKaryopharm Therapeutics Inc.COM NEW52,984$295.1K0.1%+52,984NewHistory
RAREUltragenyx Pharmaceutical Inc.COM39,473$827.0K0.2%+39,473NewHistory
TECXTectonic Therapeutic, Inc.COM37,588$1.16M0.2%+37,588NewHistory
AARDAardvark Therapeutics, Inc.COM316,621$1.19M0.2%+316,621NewHistory
SNOWSnowflake Inc.Stock10,000$1.51M0.3%00.0%UnchangedHistory
RLAYRelay Therapeutics, Inc.COM181,543$1.81M0.4%+181,543NewHistory
MPLTMapLight Therapeutics, Inc.COM112,115$2.28M0.4%−52,410−31.9%ReducedHistory
IONSIonis Pharmaceuticals IncCOM41,764$3.14M0.6%+41,764NewHistory
ACADAcadia Pharmaceuticals IncCOM144,620$3.22M0.6%+144,620NewHistory
SLNSilence Therapeutics plcADS630,161$3.32M0.7%+264,792+72.5%AddedHistory
HRMYHarmony Biosciences Holdings, Inc.COM119,340$3.34M0.7%+36,516+44.1%AddedHistory
AXSMAxsome Therapeutics, Inc.COM20,059$3.39M0.7%−6,875−25.5%ReducedHistory
SLNOSoleno Therapeutics IncCOM102,125$3.42M0.7%+102,125NewHistory
DFTXDefinium Therapeutics, Inc.COM SHS199,994$3.78M0.7%+199,994NewHistory
MBXMBX Biosciences, Inc.COM145,480$4.34M0.9%+2,153+1.5%AddedHistory
AMLXAmylyx Pharmaceuticals, Inc.COM317,877$4.42M0.9%+45,049+16.5%AddedHistory
DYNDyne Therapeutics, Inc.COM258,132$4.68M0.9%+10,135+4.1%AddedHistory
KRYSKrystal Biotech, Inc.COM19,668$5.08M1.0%+7,854+66.5%AddedHistory
PRAXPraxis Precision Medicines, Inc.COM NEW15,952$5.14M1.0%−7,000−30.5%ReducedHistory
IMVTImmunovant, Inc.COM218,507$5.43M1.1%+52,320+31.5%AddedHistory
AGIOAgios Pharmaceuticals, Inc.COM164,839$5.58M1.1%+2,821+1.7%AddedHistory
ALKSAlkermes plc.SHS159,791$5.65M1.1%+18,619+13.2%AddedHistory
PHVSPharvaris N.V.COM221,611$6.26M1.2%+26,999+13.9%AddedHistory
ANNXAnnexon, Inc.COM1,292,455$7.16M1.4%−740,000−36.4%ReducedHistory
NKTRNektar TherapeuticsCOM NEW103,037$7.41M1.5%+33,750+48.7%AddedHistory
ARWRArrowhead Pharmaceuticals, Inc.COM127,198$7.98M1.6%+30,263+31.2%AddedHistory
CLDXCelldex Therapeutics, Inc.COM NEW312,316$9.91M1.9%+68,516+28.1%AddedHistory
AUTLAutolus Therapeutics plcSPON ADS9,500,000$13.1M2.6%00.0%UnchangedHistory
CXMSprinklr, Inc.CL A2,200,000$13.2M2.6%00.0%UnchangedHistory
LYFTLyft, Inc.CL A COM1,000,000$13.3M2.6%00.0%UnchangedHistory
WKWorkiva IncCOM CL A250,000$14.9M2.9%+100,000+66.7%AddedHistory
WBDWarner Bros. Discovery, Inc.Stock923,725$25.4M5.0%+923,725NewHistory
KGEIKolibri Global Energy Inc.COM NEW6,834,504$37.5M7.4%−100,000−1.4%ReducedHistory
PATHUiPath, Inc.Stock25,207,628$279.8M55.0%+7,757,628+44.5%AddedHistory

Options (2)

Puts and calls in the same filing. Amounts are the market value of the underlying shares, which is what 13F reports.

Option positions of Polygon Management Ltd. in Q1 2026
SecurityClassPutsCalls
AXSMAxsome Therapeutics, Inc.COM–$5.92M
KPTIKaryopharm Therapeutics Inc.COM NEW–$278.5K

Sold out since Q4 2025 (4)

Positions held at the end of Q4 2025 that are gone from this filing.

Positions of Polygon Management Ltd. sold out since Q4 2025
SecurityClassShares in Q4 2025Value in Q4 2025% of portfolio in Q4 2025History
RAPTRAPT Therapeutics, Inc.COM NEW131,770$4.46M0.9%History
FOLDAmicus Therapeutics, Inc.COM260,771$3.71M0.8%History
ZVRAZevra Therapeutics, Inc.COM NEW192,518$1.72M0.4%History
AVDLAvadel Pharmaceuticals PLCStock43,763$943.1K0.2%History