RA CAPITAL MANAGEMENT, L.P.
Securities ▲▼ | Shares | Value ($K) | |||||
|---|---|---|---|---|---|---|---|
Q4 2025 ▲▼ | Q1 2026 ▲▼ | Change ▲▼ | Q4 2025 ▲▼ | Q1 2026 ▲▼ | Weight (%) ▲▼ | Change ▲▼ | |
| ASCENDIS PHARMA A/S - ADR(ASND) | 0 | 10,281,496 | +10,281,496 | 0 | 2,351,686,580 | 24.92% | +2,351,686,580 |
| VAXCYTE INC(PCVX) | 0 | 11,474,599 | +11,474,599 | 0 | 666,788,948 | 7.07% | +666,788,948 |
| RHYTHM PHARMACEUTICALS INC(RYTM) | 0 | 6,666,837 | +6,666,837 | 0 | 579,814,814 | 6.14% | +579,814,814 |
| TYRA BIOSCIENCES INC(TYRA) | 0 | 12,198,625 | +12,198,625 | 0 | 467,207,338 | 4.95% | +467,207,338 |
| SIONNA THERAPEUTICS INC(SION) | 0 | 9,905,045 | +9,905,045 | 0 | 397,093,254 | 4.21% | +397,093,254 |
| EDGEWISE THERAPEUTICS INC(EWTX) | 0 | 10,428,437 | +10,428,437 | 0 | 328,495,766 | 3.48% | +328,495,766 |
| NEWAMSTERDAM PHARMA CO NV ORDINARY SHARES | 0 | 9,550,191 | +9,550,191 | 0 | 305,701,614 | 3.24% | +305,701,614 |
| NUVALENT INC-A(NUVL) | 0 | 2,534,145 | +2,534,145 | 0 | 259,623,155 | 2.75% | +259,623,155 |
| DIANTHUS THERAPEUTICS INC(DNTH) | 0 | 2,611,733 | +2,611,733 | 0 | 219,176,633 | 2.32% | +219,176,633 |
| MINERALYS THERAPEUTICS INC(MLYS) | 0 | 7,692,750 | +7,692,750 | 0 | 208,396,598 | 2.21% | +208,396,598 |
| SPYGLASS PHARMA INC | 0 | 8,021,117 | +8,021,117 | 0 | 207,827,141 | 2.20% | +207,827,141 |
| WAVE LIFE SCIENCES LTD(WVE) | 0 | 26,975,505 | +26,975,505 | 0 | 195,572,411 | 2.07% | +195,572,411 |
| SEPTERNA INC(SEPN) | 0 | 6,995,858 | +6,995,858 | 0 | 168,110,468 | 1.78% | +168,110,468 |
| DISC MEDICINE INC(IRON) | 0 | 2,450,221 | +2,450,221 | 0 | 156,667,131 | 1.66% | +156,667,131 |
| JANUX THERAPEUTICS INC(JANX) | 0 | 11,189,693 | +11,189,693 | 0 | 155,536,733 | 1.65% | +155,536,733 |
| BIOCRYST PHARMACEUTICALS INC(BCRX) | 0 | 15,827,186 | +15,827,186 | 0 | 150,674,811 | 1.60% | +150,674,811 |
| BICARA THERAPEUTICS INC | 0 | 7,255,993 | +7,255,993 | 0 | 144,321,701 | 1.53% | +144,321,701 |
| PRAXIS PRECISION MEDICINES I(PRAX) | 0 | 373,787 | +373,787 | 0 | 120,430,434 | 1.28% | +120,430,434 |
| GH RESEARCH PLC(GHRS) | 0 | 7,676,697 | +7,676,697 | 0 | 107,934,360 | 1.14% | +107,934,360 |
| ZAI LAB LTD-ADR(ZLAB) | 0 | 5,707,262 | +5,707,262 | 0 | 107,353,598 | 1.14% | +107,353,598 |
| TAYSHA GENE THERAPIES INC(TSHA) | 0 | 23,555,648 | +23,555,648 | 0 | 105,293,747 | 1.12% | +105,293,747 |
| VOR BIOPHARMA INC(VOR) | 0 | 5,404,998 | +5,404,998 | 0 | 96,425,164 | 1.02% | +96,425,164 |
| GERON CORP(GERN) | 0 | 63,771,366 | +63,771,366 | 0 | 95,019,335 | 1.01% | +95,019,335 |
| ARS PHARMACEUTICALS INC | 0 | 10,860,977 | +10,860,977 | 0 | 87,213,645 | 0.92% | +87,213,645 |
| SAREPTA THERAPEUTICS INC(SRPT) | 0 | 3,902,596 | +3,902,596 | 0 | 84,920,489 | 0.90% | +84,920,489 |
| SPYRE THERAPEUTICS INC(SYRE) | 0 | 1,621,620 | +1,621,620 | 0 | 81,794,513 | 0.87% | +81,794,513 |
| EVOMMUNE INC | 0 | 3,494,638 | +3,494,638 | 0 | 80,341,728 | 0.85% | +80,341,728 |
| CLIMB BIO INC | 0 | 11,300,939 | +11,300,939 | 0 | 77,411,432 | 0.82% | +77,411,432 |
| SOLID BIOSCIENCES INC | 0 | 9,339,978 | +9,339,978 | 0 | 67,247,842 | 0.71% | +67,247,842 |
| ARTIVA BIOTHERAPEUTICS INC | 0 | 9,853,302 | +9,853,302 | 0 | 63,455,265 | 0.67% | +63,455,265 |
| DAMORA THERAPEUTICS INC(DMRA) | 0 | 2,399,310 | +2,399,310 | 0 | 62,142,129 | 0.66% | +62,142,129 |
| XENCOR INC(XNCR) | 0 | 4,897,237 | +4,897,237 | 0 | 59,060,678 | 0.63% | +59,060,678 |
| LB PHARMACEUTICALS INC(LBRX) | 0 | 2,208,604 | +2,208,604 | 0 | 54,464,175 | 0.58% | +54,464,175 |
| JADE BIOSCIENCES INC | 0 | 3,671,083 | +3,671,083 | 0 | 51,578,716 | 0.55% | +51,578,716 |
| ACUMEN PHARMACEUTICALS INC | 0 | 20,992,669 | +20,992,669 | 0 | 49,542,699 | 0.52% | +49,542,699 |
| 4D MOLECULAR THERAPEUTICS IN | 0 | 5,049,779 | +5,049,779 | 0 | 47,013,442 | 0.50% | +47,013,442 |
| FULCRUM THERAPEUTICS INC | 0 | 6,053,960 | +6,053,960 | 0 | 46,433,873 | 0.49% | +46,433,873 |
| CAPRICOR THERAPEUTICS INC(CAPR) | 0 | 1,507,844 | +1,507,844 | 0 | 45,838,458 | 0.49% | +45,838,458 |
| CENTURY THERAPEUTICS INC | 0 | 17,754,430 | +17,754,430 | 0 | 40,125,012 | 0.43% | +40,125,012 |
| OLEMA PHARMACEUTICALS INC(OLMA) | 0 | 2,600,000 | +2,600,000 | 0 | 38,766,000 | 0.41% | +38,766,000 |
| LENZ THERAPEUTICS INC | 0 | 4,178,823 | +4,178,823 | 0 | 38,236,230 | 0.41% | +38,236,230 |
| MONOPAR THERAPEUTICS INC | 0 | 667,207 | +667,207 | 0 | 36,556,272 | 0.39% | +36,556,272 |
| PEPGEN INC | 0 | 20,064,545 | +20,064,545 | 0 | 35,514,245 | 0.38% | +35,514,245 |
| DESIGN THERAPEUTICS INC | 0 | 2,972,973 | +2,972,973 | 0 | 31,632,433 | 0.34% | +31,632,433 |
| MIRUM PHARMACEUTICALS INC(MIRM) | 0 | 318,554 | +318,554 | 0 | 29,428,019 | 0.31% | +29,428,019 |
| BIOAGE LABS INC(BIOA) | 0 | 1,650,648 | +1,650,648 | 0 | 28,869,834 | 0.31% | +28,869,834 |
| LEXEO THERAPEUTICS INC | 0 | 5,000,000 | +5,000,000 | 0 | 28,700,000 | 0.30% | +28,700,000 |
| ASSEMBLY BIOSCIENCES INC | 0 | 1,020,410 | +1,020,410 | 0 | 28,316,378 | 0.30% | +28,316,378 |
| REZOLUTE INC | 0 | 9,180,000 | +9,180,000 | 0 | 27,999,000 | 0.30% | +27,999,000 |
| AKTIS ONCOLOGY INC(AKTS) | 0 | 1,503,084 | +1,503,084 | 0 | 26,890,173 | 0.28% | +26,890,173 |
| ALX ONCOLOGY HOLDINGS INC | 0 | 13,011,849 | +13,011,849 | 0 | 26,088,757 | 0.28% | +26,088,757 |
| ACLARIS THERAPEUTICS INC | 0 | 6,804,072 | +6,804,072 | 0 | 25,515,270 | 0.27% | +25,515,270 |
| OVID THERAPEUTICS INC | 0 | 10,714,000 | +10,714,000 | 0 | 23,785,080 | 0.25% | +23,785,080 |
| NKARTA INC | 0 | 10,805,129 | +10,805,129 | 0 | 22,798,822 | 0.24% | +22,798,822 |
| TRAVERE THERAPEUTICS INC(TVTX) | 0 | 746,841 | +746,841 | 0 | 22,188,646 | 0.24% | +22,188,646 |
| GRAIL INC(GRAL) | 0 | 428,266 | +428,266 | 0 | 22,132,787 | 0.23% | +22,132,787 |
| C4 THERAPEUTICS INC | 0 | 8,000,000 | +8,000,000 | 0 | 21,040,000 | 0.22% | +21,040,000 |
| RELMADA THERAPEUTICS INC | 0 | 2,947,369 | +2,947,369 | 0 | 20,513,688 | 0.22% | +20,513,688 |
| BENITEC BIOPHARMA INC | 0 | 1,850,000 | +1,850,000 | 0 | 19,702,500 | 0.21% | +19,702,500 |
| BRIGHT MINDS BIOSCIENCES INC | 0 | 265,000 | +265,000 | 0 | 19,337,050 | 0.20% | +19,337,050 |
| SUTRO BIOPHARMA INC | 0 | 715,307 | +715,307 | 0 | 17,818,297 | 0.19% | +17,818,297 |
| CONTINEUM THERAPEUTICS INC-A | 0 | 1,296,012 | +1,296,012 | 0 | 16,925,917 | 0.18% | +16,925,917 |
| SAB BIOTHERAPEUTICS INC | 0 | 4,401,500 | +4,401,500 | 0 | 16,857,745 | 0.18% | +16,857,745 |
| INSPIRE MEDICAL SYSTEMS INC(INSP) | 0 | 325,663 | +325,663 | 0 | 16,797,698 | 0.18% | +16,797,698 |
| ANTERIS TECHNOLOGIES GLOBAL | 0 | 3,000,000 | +3,000,000 | 0 | 16,650,000 | 0.18% | +16,650,000 |
| ONKURE THERAPEUTICS INC-A | 0 | 3,998,333 | +3,998,333 | 0 | 16,553,099 | 0.18% | +16,553,099 |
| HINGE HEALTH INC-A(HNGE) | 0 | 364,613 | +364,613 | 0 | 14,059,477 | 0.15% | +14,059,477 |
| GENEDX HOLDINGS CORP(WGS) | 0 | 209,887 | +209,887 | 0 | 13,478,943 | 0.14% | +13,478,943 |
| WAYSTAR HOLDING CORP(WAY) | 0 | 529,400 | +529,400 | 0 | 12,763,834 | 0.14% | +12,763,834 |
| HELIX ACQUISITION CORP-CL A | 0 | 1,250,000 | +1,250,000 | 0 | 12,700,000 | 0.13% | +12,700,000 |
| PALISADE BIO INC | 0 | 7,124,116 | +7,124,116 | 0 | 12,467,203 | 0.13% | +12,467,203 |
| ACRIVON THERAPEUTICS INC | 0 | 8,340,508 | +8,340,508 | 0 | 11,593,306 | 0.12% | +11,593,306 |
| ATRIUM THERAPEUTICS INC | 0 | 864,102 | +864,102 | 0 | 11,553,044 | 0.12% | +11,553,044 |
| KARYOPHARM THERAPEUTICS INC | 0 | 1,917,354 | +1,917,354 | 0 | 10,679,662 | 0.11% | +10,679,662 |
| AVALO THERAPEUTICS INC(AVTX) | 0 | 662,968 | +662,968 | 0 | 9,898,112 | 0.10% | +9,898,112 |
| PERCEPTIVE CAPITAL SOLUTIONS CL A ORD SHS | 0 | 750,000 | +750,000 | 0 | 8,227,500 | 0.09% | +8,227,500 |
| ADICET BIO INC | 0 | 1,182,624 | +1,182,624 | 0 | 8,053,669 | 0.09% | +8,053,669 |
| NEWAMSTERDAM PHARMA CO NV-27 *W EXP 99/99/999 | 0 | 333,333 | +333,333 | 0 | 6,679,993 | 0.07% | +6,679,993 |
| CORVUS PHARMACEUTICALS INC(CRVS) | 0 | 450,000 | +450,000 | 0 | 6,583,500 | 0.07% | +6,583,500 |
| RANI THERAPEUTICS HOLDINGS-A | 0 | 8,500,000 | +8,500,000 | 0 | 6,245,800 | 0.07% | +6,245,800 |
| EQUILLIUM INC | 0 | 3,096,336 | +3,096,336 | 0 | 6,192,672 | 0.07% | +6,192,672 |
| WEREWOLF THERAPEUTICS INC | 0 | 6,681,307 | +6,681,307 | 0 | 5,562,856 | 0.06% | +5,562,856 |
| MACROGENICS INC | 0 | 1,864,176 | +1,864,176 | 0 | 5,387,469 | 0.06% | +5,387,469 |
| MAPLIGHT THERAPEUTICS INC(MPLT) | 0 | 248,294 | +248,294 | 0 | 5,047,817 | 0.05% | +5,047,817 |
| PALATIN TECHNOLOGIES INC | 0 | 70,000 | +70,000 | 0 | 1,219,400 | 0.01% | +1,219,400 |
| PALATIN TECHNOLOGIES INC | 70,000 | 0 | -70,000 | 1,076,600 | 0 | — | -1,076,600 |
| HEALTH CATALYST INC | 793,749 | 0 | -793,749 | 1,897,060 | 0 | — | -1,897,060 |
| ORTHOPEDIATRICS CORP | 109,959 | 0 | -109,959 | 1,952,872 | 0 | — | -1,952,872 |
| QIAGEN N.V.(QGEN) | 43,976 | 0 | -43,976 | 2,081,683 | 0 | — | -2,081,683 |
| PROGYNY INC | 96,628 | 0 | -96,628 | 2,481,407 | 0 | — | -2,481,407 |
| HINGE HEALTH INC-A(HNGE) | 80,113 | 0 | -80,113 | 3,721,249 | 0 | — | -3,721,249 |
| WEREWOLF THERAPEUTICS INC | 6,681,307 | 0 | -6,681,307 | 4,232,608 | 0 | — | -4,232,608 |
| WAYSTAR HOLDING CORP(WAY) | 144,400 | 0 | -144,400 | 4,729,100 | 0 | — | -4,729,100 |
| GENEDX HOLDINGS CORP(WGS) | 58,044 | 0 | -58,044 | 7,549,203 | 0 | — | -7,549,203 |
| NEWAMSTERDAM PHARMA CO NV-27 *W EXP 99/99/999 | 333,333 | 0 | -333,333 | 7,666,659 | 0 | — | -7,666,659 |
| ADICET BIO INC | 948,249 | 0 | -948,249 | 7,984,257 | 0 | — | -7,984,257 |
| PERCEPTIVE CAPITAL SOLUTIONS CL A ORD SHS | 750,000 | 0 | -750,000 | 9,772,500 | 0 | — | -9,772,500 |
| RANI THERAPEUTICS HOLDINGS-A | 8,500,000 | 0 | -8,500,000 | 11,475,000 | 0 | — | -11,475,000 |
| AVALO THERAPEUTICS INC(AVTX) | 662,968 | 0 | -662,968 | 12,039,499 | 0 | — | -12,039,499 |
| INSPIRE MEDICAL SYSTEMS INC(INSP) | 141,964 | 0 | -141,964 | 13,093,340 | 0 | — | -13,093,340 |