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Ra Capital Management, L.P. Top Holdings and 13F Report (2025)

About Ra Capital Management, L.P.

Investment Activity

  • Ra Capital Management, L.P. has $5.94 billion in total holdings as of June 30, 2025.
  • Ra Capital Management, L.P. owns shares of 63 different stocks, but just 17 companies or ETFs make up 80% of its holdings.
  • Approximately 4.49% of the portfolio was purchased this quarter.
  • About 9.35% of the portfolio was sold this quarter.
  • This quarter, Ra Capital Management, L.P. has purchased 85 new stocks and bought additional shares in 9 stocks.
  • Ra Capital Management, L.P. sold shares of 9 stocks and completely divested from 28 stocks this quarter.

Largest Holdings

Ascendis Pharma A/S
$1,774,586,210
Vaxcyte
$389,014,367
Janux Therapeutics
$258,481,908
Avidity Biosciences
$206,355,280

Largest New Holdings this Quarter

433313103 - HINGE HEALTH INC-A
$15,525,000 Holding
008064206 - JADE BIOSCIENCES INC
$10,612,637 Holding
87583X109 - Tango Therapeutics
$10,240,000 Holding
68170A108 - OMADA HEALTH INC
$7,320,000 Holding
81663L200 - GeneDx
$5,358,042 Holding

Largest Purchases this Quarter

CIDARA THERAPEUTICS INC
2,272,727 shares (about $110.70M)
Taysha Gene Therapies
12,683,145 shares (about $29.30M)
Avidity Biosciences
965,623 shares (about $27.42M)
HINGE HEALTH INC-A
300,000 shares (about $15.53M)
Tyra Biosciences
1,561,335 shares (about $14.94M)

Largest Sales this Quarter

Rhythm Pharmaceuticals
523,053 shares (about $33.05M)
10x Genomics
1,468,904 shares (about $17.01M)
MBX BIOSCIENCES INC
1,133,493 shares (about $12.93M)
Vaxcyte
223,158 shares (about $7.25M)
Protara Therapeutics
2,360,705 shares (about $7.15M)

Sector Allocation Over Time

Map of 500 Largest Holdings ofRa Capital Management, L.P.

 
 
Selling
 
 
Neutral
 
 
Buying
Issuer NameHoldings ValueApproximate Purchase/SaleChange in SharesShares Held% of PortfolioSector
Ascendis Pharma A/S stock logo
ASND
Ascendis Pharma A/S
$1,774,586,2100.0%10,281,49629.9%Medical
Vaxcyte, Inc. stock logo
PCVX
Vaxcyte
$389,014,367$7,254,867 -1.8%11,965,9916.6%Medical
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
$351,422,275$33,051,719 -8.6%5,561,3595.9%Medical
Janux Therapeutics, Inc. stock logo
JANX
Janux Therapeutics
$258,481,9080.0%11,189,6934.4%Medical
Avidity Biosciences, Inc. stock logo
RNA
Avidity Biosciences
$206,355,280$27,423,693 15.3%7,266,0313.5%Medical
Arcellx, Inc. stock logo
ACLX
Arcellx
$199,955,3030.0%3,036,5273.4%Medical
89BIO stock logo
ETNB
89BIO
$195,316,6870.0%19,889,6833.3%Medical
ARS Pharmaceuticals, Inc. stock logo
SPRY
ARS Pharmaceuticals
$189,524,0490.0%10,860,9773.2%Medical
NewAmsterdam Pharma Company N.V. stock logo
NAMS
NewAmsterdam Pharma
$183,616,1670.0%10,138,9383.1%Medical
SIONNA THERAPEUTICS INC
$181,226,3370.0%10,445,3223.1%SH
CIDARA THERAPEUTICS INC
$163,934,625$110,704,532 208.0%3,365,5232.8%SH
Edgewise Therapeutics, Inc. stock logo
EWTX
Edgewise Therapeutics
$129,823,519$13,025,336 11.2%9,902,6332.2%Medical
LENZ THERAPEUTICS INC
$122,481,3020.0%4,178,8232.1%SH
WAVE Life Sciences Ltd. stock logo
WVE
WAVE Life Sciences
$118,313,0590.0%18,202,0092.0%Medical
Tyra Biosciences, Inc. stock logo
TYRA
Tyra Biosciences
$116,740,841$14,941,976 14.7%12,198,6252.0%Medical
GH Research PLC stock logo
GHRS
GH Research
$93,578,936$8,923,677 10.5%7,676,6971.6%Medical
DYNE THERAPEUTICS INC
$92,481,0120.0%9,714,3921.6%SH
Geron Corporation stock logo
GERN
Geron
$85,134,9060.0%60,379,3661.4%Medical
Disc Medicine, Inc. stock logo
IRON
Disc Medicine
$83,523,5340.0%1,577,1061.4%Medical
Mineralys Therapeutics, Inc. stock logo
MLYS
Mineralys Therapeutics
$83,172,6980.0%6,147,2801.4%Medical
SEPTERNA INC
$73,946,2190.0%6,995,8581.2%SH
Fulcrum Therapeutics, Inc. stock logo
FULC
Fulcrum Therapeutics
$70,376,2010.0%10,229,0991.2%Medical
BICARA THERAPEUTICS INC
$64,621,1750.0%6,955,9931.1%SH
Vor Biopharma Inc. stock logo
VOR
Vor Biopharma
$64,226,5830.0%39,646,0391.1%Medical
Taysha Gene Therapies, Inc. stock logo
TSHA
Taysha Gene Therapies
$54,413,547$29,298,065 116.7%23,555,6480.9%Medical
DIANTHUS THERAPEUTICS INC
$53,407,2360.0%2,866,7330.9%SH
RxSight, Inc. stock logo
RXST
RxSight
$48,138,571$520,663 -1.1%3,702,9670.8%Medical
TOURMALINE BIO INC
$40,597,4110.0%2,538,9250.7%SH
Scholar Rock Holding Corporation stock logo
SRRK
Scholar Rock
$40,253,1650.0%1,136,4530.7%Medical
Eliem Therapeutics, Inc. stock logo
ELYM
Eliem Therapeutics
$38,959,8910.0%31,419,2670.7%Medical
Structure Therapeutics Inc. Sponsored ADR stock logo
GPCR
Structure Therapeutics
$31,471,2490.0%1,517,4180.5%Medical
Solid Biosciences Inc. stock logo
SLDB
Solid Biosciences
$28,301,143$7,211,871 34.2%5,811,3230.5%Medical
METSERA INC
$19,218,6860.0%675,5250.3%SH
MONOPAR THERAPEUTICS INC
$18,290,9860.0%511,2070.3%SH
Nkarta, Inc. stock logo
NKTX
Nkarta
$17,936,5140.0%10,805,1290.3%Medical
Larimar Therapeutics, Inc. stock logo
LRMR
Larimar Therapeutics
$17,471,0640.0%6,045,3510.3%Medical
Acumen Pharmaceuticals, Inc. stock logo
ABOS
Acumen Pharmaceuticals
$17,321,1930.0%14,932,0630.3%Medical
Enliven Therapeutics, Inc. stock logo
ELVN
Enliven Therapeutics
$17,030,6590.0%848,9860.3%Medical
Travere Therapeutics, Inc. stock logo
TVTX
Travere Therapeutics
$17,020,0000.0%1,150,0000.3%Medical
4D Molecular Therapeutics, Inc. stock logo
FDMT
4D Molecular Therapeutics
$16,929,5130.0%4,563,2110.3%Medical
HINGE HEALTH INC-A
$15,525,000$15,525,000 New Holding300,0000.3%SH
ARTIVA BIOTHERAPEUTICS INC
$14,878,4860.0%9,853,3020.3%SH
PepGen, Inc. stock logo
PEPG
PepGen
$11,865,3950.0%10,689,5450.2%Medical
JADE BIOSCIENCES INC
$10,612,637$10,612,637 New Holding1,062,3260.2%SH
Tango Therapeutics, Inc. stock logo
TNGX
Tango Therapeutics
$10,240,000$10,240,000 New Holding2,000,0000.2%Medical
Acrivon Therapeutics, Inc. stock logo
ACRV
Acrivon Therapeutics
$9,925,2050.0%8,340,5080.2%Medical
Eledon Pharmaceuticals, Inc. stock logo
ELDN
Eledon Pharmaceuticals
$9,664,7760.0%3,566,3380.2%Medical
Arcus Biosciences, Inc. stock logo
RCUS
Arcus Biosciences
$9,250,0030.0%1,136,3640.2%Medical
PERCEPTIVE CAPITAL SOLUTIONS
$7,965,0000.0%750,0000.1%SH
OMADA HEALTH INC
$7,320,000$7,320,000 New Holding400,0000.1%SH
Werewolf Therapeutics, Inc. stock logo
HOWL
Werewolf Therapeutics
$7,282,625$584,704 8.7%6,681,3070.1%Medical
BETA BIONICS INC
$7,280,0000.0%500,0000.1%SH
CytomX Therapeutics, Inc. stock logo
CTMX
CytomX Therapeutics
$6,041,221$3,771,221 166.1%2,661,3310.1%Medical
10x Genomics stock logo
TXG
10x Genomics
$5,504,472$17,009,909 -75.6%475,3430.1%Medical
SURROZEN INC
$5,387,476$683,946 -11.3%602,6260.1%SH
GeneDx Holdings Corp. stock logo
WGS
GeneDx
$5,358,042$5,358,042 New Holding58,0440.1%Medical
AVALO THERAPEUTICS INC
$4,655,535$169,795 -3.5%932,9730.1%SH
Adicet Bio, Inc. stock logo
ACET
Adicet Bio
$4,600,0100.0%7,541,0000.1%Medical
MBX BIOSCIENCES INC
$4,311,166$12,933,156 -75.0%377,8410.1%SH
Protara Therapeutics, Inc. stock logo
TARA
Protara Therapeutics
$3,149,064$7,152,936 -69.4%1,039,2950.1%Medical
NewAmsterdam Pharma stock logo
NAMSW
NewAmsterdam Pharma
$2,666,6640.0%333,3330.0%Medical
Acadia Healthcare Company, Inc. stock logo
ACHC
Acadia Healthcare
$2,025,355$2,898,376 -58.9%89,2620.0%Medical
InflaRx N.V. stock logo
IFRX
InflaRx
$1,558,854$1,558,854 New Holding1,973,2330.0%Medical
APOGEE THERAPEUTICS INC
$0$58,636,184 -100.0%00.0%SH
Zai Lab Limited Unsponsored ADR stock logo
ZLAB
Zai Lab
$0$46,802,746 -100.0%00.0%Medical
Day One Biopharmaceuticals, Inc. stock logo
DAWN
Day One Biopharmaceuticals
$0$45,641,726 -100.0%00.0%Medical
Urogen Pharma stock logo
URGN
Urogen Pharma
$0$35,461,357 -100.0%00.0%Medical
Astria Therapeutics, Inc. stock logo
ATXS
Astria Therapeutics
$0$27,261,837 -100.0%00.0%Medical
Kura Oncology, Inc. stock logo
KURA
Kura Oncology
$0$26,430,426 -100.0%00.0%Medical
Aerovate Therapeutics, Inc. stock logo
AVTE
Aerovate Therapeutics
$0$23,072,151 -100.0%00.0%Medical
IDEAYA Biosciences, Inc. stock logo
IDYA
IDEAYA Biosciences
$0$22,067,988 -100.0%00.0%Medical
iTeos Therapeutics, Inc. stock logo
ITOS
iTeos Therapeutics
$0$21,784,870 -100.0%00.0%Medical
Glaukos Corporation stock logo
GKOS
Glaukos
$0$18,724,996 -100.0%00.0%Medical
Eyepoint Pharmaceuticals, Inc. stock logo
EYPT
Eyepoint Pharmaceuticals
$0$17,245,454 -100.0%00.0%Medical
CERIBELL INC
$0$15,840,220 -100.0%00.0%SH
Nurix Therapeutics, Inc. stock logo
NRIX
Nurix Therapeutics
$0$15,839,996 -100.0%00.0%Medical
Insmed, Inc. stock logo
INSM
Insmed
$0$15,258,000 -100.0%00.0%Medical
Alector, Inc. stock logo
ALEC
Alector
$0$11,925,130 -100.0%00.0%Medical
Sera Prognostics, Inc. stock logo
SERA
Sera Prognostics
$0$11,160,733 -100.0%00.0%Medical
Bicycle Therapeutics PLC Sponsored ADR stock logo
BCYC
Bicycle Therapeutics
$0$9,283,620 -100.0%00.0%Medical
Immatics N.V. stock logo
IMTX
Immatics
$0$7,892,500 -100.0%00.0%Medical
Bright Minds Biosciences Inc
$0$7,445,822 -100.0%00.0%SH
Aclaris Therapeutics, Inc. stock logo
ACRS
Aclaris Therapeutics
$0$7,140,001 -100.0%00.0%Medical
Xencor, Inc. stock logo
XNCR
Xencor
$0$6,118,000 -100.0%00.0%Medical
Humacyte, Inc. stock logo
HUMA
Humacyte
$0$5,647,567 -100.0%00.0%Medical
Zura Bio Limited stock logo
ZURA
Zura Bio
$0$4,150,579 -100.0%00.0%Medical
BIOAGE LABS INC
$0$3,957,377 -100.0%00.0%SH
BOUNDLESS BIO INC
$0$3,292,753 -100.0%00.0%SH
Sutro Biopharma, Inc. stock logo
STRO
Sutro Biopharma
$0$2,885,175 -100.0%00.0%Medical
LEXEO THERAPEUTICS INC
$0$1,896,542 -100.0%00.0%SH
Scilex Holding Company stock logo
SCLX
Scilex
$0$257,500 -100.0%00.0%Medical

Showing largest 100 holdings. View all holdings.
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