RTW INVESTMENTS, LP Q4 2025 Filing
Filed February 17, 2026
Portfolio Value
$10.0B
Holdings
91
Report Date
Q4 2025
Filing Type
13F-HR
All Holdings (91 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | MDGLMADRIGAL PHARMACEUTICALS INC | 1,993,687 | $1.2M | 0.01% | |
| 2 | IM8NINSMED INC | 4,842,879 | $842K | 0.01% | |
| 3 | PTCTPTC THERAPEUTICS INC | 7,746,415 | $588K | 0.01% | |
| 4 | ARGXARGENX SE | 673,497 | $566K | 0.01% | |
| 5 | PTGXPROTAGONIST THERAPEUTICS INC | 5,059,053 | $441K | 0.00% | |
| 6 | NTRANATERA INC | 1,500,000 | $343K | 0.00% | |
| 7 | RDNTRADNET INC | 3,938,500 | $281K | 0.00% | |
| 8 | TARSTARSUS PHARMACEUTICALS INC | 3,335,320 | $273K | 0.00% | |
| 9 | COGTCOGENT BIOSCIENCES INC | 7,592,241 | $269K | 0.00% | |
| 10 | PENPENUMBRA INC | 866,499 | $269K | 0.00% | |
| 11 | IRTCIRHYTHM TECHNOLOGIES INC | 1,181,990 | $209K | 0.00% | |
| 12 | APGEAPOGEE THERAPEUTICS INC | 2,712,097 | $204K | 0.00% | |
| 13 | APLSAPELLIS PHARMACEUTICALS INC | 7,666,764 | $192K | 0.00% | |
| 14 | ACADACADIA PHARMACEUTICALS INC | 7,144,524 | $190K | 0.00% | |
| 15 | ESTAESTABLISHMENT LABS HLDGS INC | 2,588,831 | $188K | 0.00% | |
| 16 | STOKSTOKE THERAPEUTICS INC | 5,546,856 | $176K | 0.00% | |
| 17 | RGENREPLIGEN CORP | 1,064,000 | $174K | 0.00% | |
| 18 | CYTKCYTOKINETICS INC | 2,721,158 | $172K | 0.00% | |
| 19 | IMCRIMMUNOCORE HLDGS PLC | 4,869,798 | $169K | 0.00% | |
| 20 | AXSMAXSOME THERAPEUTICS INC | 888,001 | $162K | 0.00% | |
| 21 | GHGUARDANT HEALTH INC | 1,481,033 | $151K | 0.00% | |
| 22 | NBIXNEUROCRINE BIOSCIENCES INC | 1,062,072 | $150K | 0.00% | |
| 23 | SYRESPYRE THERAPEUTICS INC | 4,171,996 | $136K | 0.00% | |
| 24 | ZLABZAI LAB LTD | 6,959,032 | $122K | 0.00% | |
| 25 | IMTXIMMATICS N.V | 11,433,354 | $120K | 0.00% | |
| 26 | BLTEBELITE BIO INC | 715,332 | $114K | 0.00% | |
| 27 | URGNUROGEN PHARMA LTD | 4,543,895 | $106K | 0.00% | |
| 28 | XNCRXENCOR INC | 6,777,461 | $103K | 0.00% | |
| 29 | PODDINSULET CORP | 324,600 | $92K | 0.00% | |
| 30 | TSHATAYSHA GENE THERAPIES INC | 16,398,297 | $90K | 0.00% | |
| 31 | 3M4MASIMO CORP | 683,294 | $88K | 0.00% | |
| 32 | QUREUNIQURE NV | 3,711,462 | $88K | 0.00% | |
| 33 | SYKSTRYKER CORPORATION | 245,000 | $86K | 0.00% | |
| 34 | CGONCG ONCOLOGY INC | 2,012,127 | $83K | 0.00% | |
| 35 | CSTLCASTLE BIOSCIENCES INC | 2,115,237 | $82K | 0.00% | |
| 36 | IMVTIMMUNOVANT INC | 3,177,850 | $80K | 0.00% | |
| 37 | BBNXBETA BIONICS INC | 2,500,000 | $76K | 0.00% | |
| 38 | GHRSGH RESEARCH PLC | 5,933,815 | $75K | 0.00% | |
| 39 | RAREULTRAGENYX PHARMACEUTICAL IN | 3,000,139 | $69K | 0.00% | |
| 40 | REPLREPLIMUNE GROUP INC | 7,140,352 | $69K | 0.00% | |
| 41 | CRNXCRINETICS PHARMACEUTICALS IN | 1,351,326 | $62K | 0.00% | |
| 42 | RCKTROCKET PHARMACEUTICALS INC | 17,687,772 | $62K | 0.00% | |
| 43 | ORKAORUKA THERAPEUTICS INC | 2,058,148 | $62K | 0.00% | |
| 44 | CMPSCOMPASS PATHWAYS PLC | 8,757,390 | $60K | 0.00% | |
| 45 | ISRGINTUITIVE SURGICAL INC | 101,228 | $57K | 0.00% | |
| 46 | RAPTRAPT THERAPEUTICS INC | 1,637,165 | $55K | 0.00% | |
| 47 | CELCCELCUITY INC | 550,160 | $54K | 0.00% | |
| 48 | VSTMVERASTEM INC | 6,576,306 | $50K | 0.00% | |
| 49 | ALKSALKERMES PLC | 1,672,356 | $46K | 0.00% | |
| 50 | CNTACENTESSA PHARMACEUTICALS PLC | 1,790,837 | $44K | 0.00% | |
| 51 | KODKODIAK SCIENCES INC | 1,487,933 | $41K | 0.00% | |
| 52 | AQSTAQUESTIVE THERAPEUTICS INC | 6,250,000 | $40K | 0.00% | |
| 53 | ARWRARROWHEAD PHARMACEUTICALS IN | 584,716 | $38K | 0.00% | |
| 54 | YB4PSAVARA INC | 5,952,380 | $35K | 0.00% | |
| 55 | OBIOORCHESTRA BIOMED HLDGS INC | 8,306,063 | $34K | 0.00% | |
| 56 | NGNENEUROGENE INC | 1,362,456 | $28K | 0.00% | |
| 57 | JBIOJADE BIOSCIENCES INC | 1,449,273 | $22K | 0.00% | |
| 58 | WVEWAVE LIFE SCIENCES LTD | 1,350,000 | $22K | 0.00% | |
| 59 | EVMNEVOMMUNE INC | 1,283,671 | $21K | 0.00% | |
| 60 | KYMRKYMERA THERAPEUTICS INC | 240,000 | $18K | 0.00% | |
| 61 | FLGTFULGENT GENETICS INC | 705,027 | $18K | 0.00% | |
| 62 | CGEMCULLINAN THERAPEUTICS INC | 1,705,960 | $17K | 0.00% | |
| 63 | HNGEHINGE HEALTH INC | 353,500 | $16K | 0.00% | |
| 64 | BEAMBEAM THERAPEUTICS INC | 570,394 | $15K | 0.00% | |
| 65 | HTFLHEARTFLOW INC | 495,000 | $14K | 0.00% | |
| 66 | TNGXTANGO THERAPEUTICS INC | 1,491,228 | $13K | 0.00% | |
| 67 | CMPXCOMPASS THERAPEUTICS INC | 2,500,000 | $13K | 0.00% | |
| 68 | LMRILUMEXA IMAGING HOLDINGS INC | 650,000 | $12K | 0.00% | |
| 69 | LRMRLARIMAR THERAPEUTICS INC | 3,125,000 | $11K | 0.00% | |
| 70 | TEMTEMPUS AI INC | 200,000 | $11K | 0.00% | |
| 71 | IQVIQVIA HLDGS INC | 46,000 | $10K | 0.00% | |
| 72 | KLRSKALARIS THERAPEUTICS INC | 1,300,000 | $10K | 0.00% | |
| 73 | —PERCEPTIVE CAP SOLUTIONS COR | 742,500 | $9K | 0.00% | |
| 74 | ATAIATAI BECKLEY NV | 2,000,000 | $8K | 0.00% | |
| 75 | CAPRCAPRICOR THERAPEUTICS INC | 250,000 | $7K | 0.00% | |
| 76 | ALURALLURION TECHNOLOGIES INC | 5,891,430 | $7K | 0.00% | |
| 77 | GPCRSTRUCTURE THERAPEUTICS INC | 100,000 | $6K | 0.00% | |
| 78 | IVAINVENTIVA SA | 1,298,701 | $6K | 0.00% | |
| 79 | MISTMILESTONE PHARMACEUTICALS IN | 2,506,102 | $5K | 0.00% | |
| 80 | BRD1EURMIND MEDICINE MINDMED INC | 300,000 | $4K | 0.00% | |
| 81 | TENXTENAX THERAPEUTICS INC | 378,346 | $4K | 0.00% | |
| 82 | XGNEXAGEN INC | 790,462 | $4K | 0.00% | |
| 83 | CBIOCRESCENT BIOPHARMA INC. | 372,856 | $4K | 0.00% | |
| 84 | OMDAOMADA HEALTH INC | 200,000 | $3K | 0.00% | |
| 85 | FDMT4D MOLECULAR THERAPEUTICS IN | 475,737 | $3K | 0.00% | |
| 86 | CRVSCORVUS PHARMACEUTICALS INC | 447,607 | $3K | 0.00% | |
| 87 | IMAIMAGENEBIO INC | 334,445 | $2K | 0.00% | |
| 88 | IRONDISC MEDICINE INC | 30,000 | $2K | 0.00% | |
| 89 | MDLNMEDLINE INC | 70,000 | $2K | 0.00% | |
| 90 | RCKTWROCKET PHARMACEUTICALS INC | 350,000 | $0 | 0.00% | |
| 91 | ERASERASCA INC | 146,651 | $0 | 0.00% |