MondegarAI
RTW INVESTMENTS, LP

Q3 2025 · 13F-HR

RTW INVESTMENTS, LPholdings as filed

Filed 2025-11-14 · accession 0001493215-25-000054

$8.12B
Reported value
74
Positions
2025-09-30
Period end
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The Brief · RTW INVESTMENTS, LP · Q3 2025

AI · grounded in 13F

RTW INVESTMENTS, LP closed its position in VRNA for a reduction of $288.6M. The fund also exited its holding in ABT for $60.4M and trimmed its stake in ZLAB by 58.6%. On the buy side, the fund established a new position in COGT worth $49.8M and increased its holding in XNCR by 158.9%.

Holdings as filed

CUSIPTickerIssuerValue% port.SharesClassVoting
558868105MDGLMADRIGAL PHARMACEUTICALS INC$914.4M11.3%1,993,687CommonSOLE
04016X101ARGXARGENX SE$496.7M6.12%673,497CommonSOLE
05370A108RNAGBPAVIDITY BIOSCIENCES INC$495.5M6.11%11,372,829CommonSOLE
69366J200PTCTPTC THERAPEUTICS INC$475.4M5.86%7,746,415CommonSOLE
457669307INSMINSMED INC$444.2M5.47%3,084,558CommonSOLE
74366E102PTGXPROTAGONIST THERAPEUTICS INC$382.4M4.71%5,756,277CommonSOLE
632307104NTRANATERA INC$321.9M3.97%2,000,000CommonSOLE
00973Y108AKROAKERO THERAPEUTICS INC$260.1M3.20%5,477,561CommonSOLE
N90064101QUREUNIQURE NV$258.3M3.18%4,424,968CommonSOLE
70975L107PENPENUMBRA INC$219.5M2.70%866,499CommonSOLE
750491102RDNTRADNET INC$214.6M2.64%2,815,544CommonSOLE
N5749R1002GHMERUS N V$190.7M2.35%2,025,277CommonSOLE
87650L103TARSTARSUS PHARMACEUTICALS INC$188.8M2.33%3,177,436CommonSOLE
863667101SYKSTRYKER CORPORATION$181.1M2.23%490,000CommonSOLE
45258D105IMCRIMMUNOCORE HLDGS PLC$176.9M2.18%4,869,798CommonSOLE
004225108ACADACADIA PHARMACEUTICALS INC$152.5M1.88%7,144,524CommonSOLE
23282W605CYTKCYTOKINETICS INC$149.6M1.84%2,721,158CommonSOLE
64125C109NBIXNEUROCRINE BIOSCIENCES INC$149.1M1.84%1,062,072CommonSOLE
05464T104AXSMAXSOME THERAPEUTICS INC$135.9M1.67%1,118,883CommonSOLE
86150R107STOKSTOKE THERAPEUTICS INC$120.4M1.48%5,123,525CommonSOLE
03770N101APGEAPOGEE THERAPEUTICS INC$107.8M1.33%2,712,097CommonSOLE
G31249108ESTAESTABLISHMENT LABS HLDGS INC$106.1M1.31%2,588,831CommonSOLE
574795100MASIMASIMO CORP$100.8M1.24%683,294CommonSOLE
90400D108RAREULTRAGENYX PHARMACEUTICAL IN$98.0M1.21%3,258,266CommonSOLE
40131M109GHGUARDANT HEALTH INC$92.5M1.14%1,481,033CommonSOLE
M96088105URGNUROGEN PHARMA LTD$90.7M1.12%4,543,895CommonSOLE
46120E602ISRGINTUITIVE SURGICAL INC$90.5M1.12%202,456CommonSOLE
G3855L106GHRSGH RESEARCH PLC$79.6M0.98%5,569,564CommonSOLE
877619106TSHATAYSHA GENE THERAPIES INC$79.6M0.98%24,354,291CommonSOLE
98887Q104ZLABZAI LAB LTD$77.7M0.96%2,291,372CommonSOLE
N44445109IMTXIMMATICS N.V$75.1M0.93%8,815,617CommonSOLE
98401F105XNCRXENCOR INC$73.0M0.90%6,221,054CommonSOLE
156944100CGONCG ONCOLOGY INC$68.5M0.84%1,701,216CommonSOLE
08659B102BBNXBETA BIONICS INC$65.6M0.81%3,299,191CommonSOLE
00773J202SYRESPYRE THERAPEUTICS INC$60.7M0.75%3,621,996CommonSOLE
77313F106RCKTROCKET PHARMACEUTICALS INC$57.7M0.71%17,687,772CommonSOLE
152309100CNTACENTESSA PHARMACEUTICALS PLC$55.6M0.68%2,291,747CommonSOLE
G01767105ALKSALKERMES PLC$50.2M0.62%1,672,356CommonSOLE
20451W101CMPSCOMPASS PATHWAYS PLC$49.9M0.61%8,707,390CommonSOLE
19240Q201COGTCOGENT BIOSCIENCES INC$49.8M0.61%3,467,486CommonSOLE
92337C203VSTMVERASTEM INC$47.9M0.59%5,426,306CommonSOLE
74834L100DGXQUEST DIAGNOSTICS INC$47.6M0.59%250,000CommonSOLE
52635N103LENZLENZ THERAPEUTICS INC$40.2M0.50%863,389CommonSOLE
75382E208RAPTRAPT THERAPEUTICS INC$37.9M0.47%1,470,499CommonSOLE
687604108ORKAORUKA THERAPEUTICS INC$37.4M0.46%1,945,649CommonSOLE
26818M108DYNDYNE THERAPEUTICS INC$36.6M0.45%2,890,567CommonSOLE
22663K107CRNXCRINETICS PHARMACEUTICALS IN$36.3M0.45%872,387CommonSOLE
03843E104AQSTAQUESTIVE THERAPEUTICS INC$34.9M0.43%6,250,000CommonSOLE
00370M103ABVXABIVAX SA$29.7M0.37%350,000CommonSOLE
36266G107GEHCGE HEALTHCARE TECHNOLOGIES I$29.6M0.36%393,500CommonSOLE
76029N106REPLREPLIMUNE GROUP INC$26.8M0.33%6,395,732CommonSOLE
64135M105NGNENEUROGENE INC$23.6M0.29%1,362,456CommonSOLE
07782B104BLTEBELITE BIO INC$23.1M0.28%312,500CommonSOLE
014442107ALECALECTOR INC$20.7M0.25%6,990,806CommonSOLE
68572M106OBIOORCHESTRA BIOMED HLDGS INC$20.6M0.25%8,306,063CommonSOLE
221015100CRVSCORVUS PHARMACEUTICALS INC$19.7M0.24%2,679,479CommonSOLE
30068X103XGNEXAGEN INC$18.6M0.23%1,696,866CommonSOLE
42238D107HTFLHEARTFLOW INC$16.7M0.21%495,000CommonSOLE
88023B103TEMTEMPUS AI INC$16.1M0.20%200,000CommonSOLE
008064206JBIOJADE BIOSCIENCES INC$12.5M0.15%1,449,273CommonSOLE
23284F105CTMXCYTOMX THERAPEUTICS INC$11.0M0.14%3,461,500CommonSOLE
230031106CGEMCULLINAN THERAPEUTICS INC$10.1M0.12%1,705,960CommonSOLE
517125100LRMRLARIMAR THERAPEUTICS INC$10.1M0.12%3,125,000CommonSOLE
20454B104CMPXCOMPASS THERAPEUTICS INC$8.8M0.11%2,500,000CommonSOLE
G70077105PCSCPERCEPTIVE CAP SOLUTIONS COR$7.8M0.10%742,500CommonSOLE
713317105PEPGPEPGEN INC$6.9M0.09%1,500,000CommonSOLE
Y95308105WVEWAVE LIFE SCIENCES LTD$6.6M0.08%900,000CommonSOLE
02008G201ALURALLURION TECHNOLOGIES INC$5.2M0.06%2,542,603CommonSOLE
59935V107MISTMILESTONE PHARMACEUTICALS IN$5.0M0.06%2,506,102CommonSOLE
68170A108OMDAOMADA HEALTH INC$4.4M0.05%200,000CommonSOLE
88032L605TENXTENAX THERAPEUTICS INC$2.9M0.04%378,346CommonSOLE
45175G207IMAIMAGENEBIO INC$2.7M0.03%334,445CommonSOLE
00534B100ADGMADAGIO MED HLDGS INC$406,1600.01%209,361CommonSOLE
77313F114RCKTWROCKET PHARMACEUTICALS INC$13,7200.00%350,000CommonSOLE

Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.