Ra Capital Management, L.P. Portfolio Stock Holdings
According to the SEC 13F filed on August 14, 2026, Ra Capital Management, L.P. disclosed 76 stock positions valued at approximately $11.51B as of quarter-end June 30, 2026. The largest holdings include PARABILIS MEDICINES INC, RHYTHM PHARMACEUTICALS INC, and VAXCYTE INC.
- Report Period
- June 30, 2026
- No. of Stocks
- 76
- Portfolio Value
- $11.51B
Holdings by Sector
Ra Capital Management, L.P. Portfolio Holdings in Q2 2026
| Company | Symbol | Sector | Portfolio % | Shares | Change (Shares) | Change % | Value |
|---|---|---|---|---|---|---|---|
| PARABILIS MEDICINES INC | PBLS | Other | 6.88% | 28,933,371 | +28,933,371 | +100.00% | $791,906,364 |
| RHYTHM PHARMACEUTICALS INC | RYTM | Healthcare | 6.43% | 6,666,837 | - | - | $740,218,912 |
| VAXCYTE INC | PCVX | Healthcare | 5.80% | 11,474,599 | - | - | $667,018,440 |
| SIONNA THERAPEUTICS INC | SION | Other | 3.79% | 9,905,045 | - | - | $435,722,930 |
| TYRA BIOSCIENCES INC | TYRA | Healthcare | 3.39% | 12,198,625 | - | - | $389,624,083 |
| EDGEWISE THERAPEUTICS INC | EWTX | Healthcare | 2.96% | 8,392,730 | -2,035,707 | -19.52% | $340,996,620 |
| NEWAMSTERDAM PHARMA CO NV | NAMSW | Other | 2.81% | 9,550,191 | - | - | $323,655,973 |
| HEMAB THERAPEUTICS HOLDINGS | COAG | Other | 2.49% | 7,808,627 | +7,808,627 | +100.00% | $286,810,870 |
| SEPTERNA INC | SEPN | Other | 2.04% | 6,995,858 | - | - | $234,291,284 |
| BICARA THERAPEUTICS INC | BCAX | Other | 1.87% | 7,255,993 | - | - | $215,430,432 |
| MINERALYS THERAPEUTICS INC | MLYS | Healthcare | 1.80% | 7,692,750 | - | - | $207,550,395 |
| GH RESEARCH PLC | GHRS | Other | 1.78% | 7,636,813 | -39,884 | -0.52% | $205,277,533 |
| DISC MEDICINE INC | IRON | Healthcare | 1.56% | 2,450,221 | - | - | $179,209,164 |
| SPYGLASS PHARMA INC | SGP | Other | 1.55% | 8,021,117 | - | - | $178,550,064 |
| ARTIVA BIOTHERAPEUTICS INC | ARTV | Other | 1.51% | 17,955,642 | +8,102,340 | +82.23% | $174,169,727 |
| JANUX THERAPEUTICS INC | JANX | Healthcare | 1.49% | 11,189,693 | - | - | $171,873,684 |
| TAYSHA GENE THERAPIES INC | TSHA | Healthcare | 1.39% | 23,555,648 | - | - | $160,413,963 |
| BIOCRYST PHARMACEUTICALS INC | BCRX | Healthcare | 1.38% | 15,827,186 | - | - | $158,271,860 |
| NUVALENT INC-A | NUVL | Healthcare | 1.34% | 1,246,456 | -1,287,689 | -50.81% | $153,937,316 |
| ABIVAX SA-ADR | ABVX | Healthcare | 1.31% | 1,132,557 | +1,132,557 | +100.00% | $150,924,546 |
| ORUKA THERAPEUTICS INC | ORKA | Other | 1.29% | 1,554,597 | +1,554,597 | +100.00% | $147,950,996 |
| CLIMB BIO INC | ELYM | Other | 1.28% | 11,300,939 | - | - | $147,364,245 |
| SOLID BIOSCIENCES INC | SLDB | Healthcare | 1.04% | 12,036,126 | +2,696,148 | +28.87% | $120,240,899 |
| ZAI LAB LTD-ADR | ZLAB | Healthcare | 0.95% | 5,743,533 | +36,271 | +0.64% | $109,127,127 |
| ARS PHARMACEUTICALS INC | SPRY | Healthcare | 0.76% | 10,860,977 | - | - | $86,996,426 |
| XENCOR INC | XNCR | Healthcare | 0.74% | 5,274,274 | +377,037 | +7.70% | $84,915,811 |
| JADE BIOSCIENCES INC | JBIO | Other | 0.71% | 3,671,083 | - | - | $81,571,464 |
| INTELLIA THERAPEUTICS INC | NTLA | Healthcare | 0.67% | 4,526,926 | +4,526,926 | +100.00% | $76,595,588 |
| LB PHARMACEUTICALS INC | LBRX | Other | 0.62% | 2,208,604 | - | - | $71,680,243 |
| DEFINIUM THERAPEUTICS INC | DFTX | Other | 0.61% | 1,500,000 | +1,500,000 | +100.00% | $70,560,000 |
Showing 30 of 76 holdings in the latest reporting period.