account_balance
Investment manager · 13F filer · SEC CIK 1493215
RTW Investments, LP
Reported value$11.7Bas of Jun 30, 2026
Positions84 9 new, 13 sold out
Top 10 weight47.7%MDGL alone is 9%
FiledAug 1445 days after quarter end
Portfolio · as of Jun 30, 2026
Where the money is
New or addedTrimmedHeld
MDGLMadrigal Pharmaceuticals Inc
9.1%
ARGXArgenx Se
5.6%
PTCTPTC Therapeutics Inc
5.4%
PTGXProtagonist Therapeutics Inc
5.3%
CGONCg Oncology Inc
5.2%Added +22%
INSMInsmed Inc
4.4%
TNGXTango Therapeutics Inc
3.7%Added +5%
SYRESpyre Therapeutics Inc
3.2%
CELCCelcuity Inc
3.0%Added +9%
ERASErasca Inc
2.8%Added +11%
RDNTRadnet Inc
2.6%Added +13%
ORKAOruka Therapeutics Inc
2.6%Added +53%
MDGLMadrigal Pharmaceuticals Inc
9.1%
ARGXArgenx Se
5.6%
PTCTPTC Therapeutics Inc
5.4%
PTGXProtagonist Therapeutics Inc
5.3%
CGONCg Oncology Inc
5.2%Added +22%
INSM4.4%TNGX3.7%SYRE3.2%CELC3.0%ERAS2.8%RDNT2.6%ORKA2.6%Boxes show the top 12 stocks, sized against each other. The bar above shows how much of the fund they are. 13F only covers US-listed stocks, so foreign holdings and short positions are missing.
Show the top 12 as a list
MDGL Madrigal Pharmaceuticals Inc 9.1% HeldARGX Argenx Se 5.6% HeldPTCT PTC Therapeutics Inc 5.4% HeldPTGX Protagonist Therapeutics Inc 5.3% HeldCGON Cg Oncology Inc 5.2% Added +22%INSM Insmed Inc 4.4% HeldTNGX Tango Therapeutics Inc 3.7% Added +5%SYRE Spyre Therapeutics Inc 3.2% HeldCELC Celcuity Inc 3.0% Added +9%ERAS Erasca Inc 2.8% Added +11%RDNT Radnet Inc 2.6% Added +13%ORKA Oruka Therapeutics Inc 2.6% Added +53%
What changed