Silverarc Capital Management, LLC

In its 13F for Q1 2025 (holdings as of March 31, 2025, filed May 14, 2025), Silverarc Capital Management, LLC reported 66 stock positions worth $478.6 million. Its top holding was Verona Pharma (VRNA) at 7.2% of the portfolio, followed by Merus (MRUS, 7.1%) and Nuvalent Class A (NUVL, 6.5%). Compared with Q4 2024, it opened 23 new positions, sold out of 14, added to 27 and reduced 15. The biggest buy was Kalvista Pharmaceuticals (KALV, shares +178%) and the biggest sale an exit from Pliant Therapeutics (PLRX).

Most Recent 13F
Q2 2026
Location
BOSTON, MA
CIK
0001816307
Portfolio Value
$478.6M (Q1 2025)
SEC Filing
0001420506-25-001107 ↗ filed May 14, 2025

Holdings Value

0$200.0M$400.0M$600.0M$800.0M$1.0B Q1 2024: $356.6M Q1 2024 Q2 2024: $405.1M Q2 2024 Q3 2024: $443.7M Q3 2024 Q4 2024: $447.2M Q4 2024 Q1 2025: $478.6M $478.6M Q1 2025 Q2 2025: $488.6M Q2 2025 Q3 2025: $690.7M Q3 2025 Q4 2025: $691.1M Q4 2025 Q1 2026: $848.6M Q1 2026 Q2 2026: $898.5M Q2 2026

Holdings 66 stocks · $478.6M

VRNA Verona Pharma Ltd. 7.24% 545,872 $34.7M Add +5.8%
MRUS Merus NV 7.13% 811,021 $34.1M Add +19.1%
NUVL Nuvalent Inc. Class A 6.50% 439,018 $31.1M Add +9.8%
AKRO Akero Therapeutics Inc. 6.09% 719,992 $29.1M Reduce -2.6%
INSM Insmed Inc. 5.12% 321,366 $24.5M Reduce -13.7%
KALV Kalvista Pharmaceuticals Inc. 4.10% 1,698,984 $19.6M Add +177.5%
VCYT Veracyte Inc. 3.93% 633,832 $18.8M Add +25.9%
RYTM Rhythm Pharmaceuticals Inc. 3.74% 337,605 $17.9M Add +23.3%
SNDX Syndax Pharmaceuticals Inc. 3.36% 1,309,224 $16.1M Add +6.4%
URGN Urogen Pharma Ltd. 3.19% 1,381,158 $15.3M Add +23.3%
RNAM Avidity Biosciences Inc. 2.54% 411,312 $12.1M Reduce -24.3%
SLNO Soleno Therapeutics Inc. 2.48% 166,417 $11.9M New
ASND Ascendis Pharma A/S 2.47% 75,751 $11.8M Add +47.1%
IRON Disc Medicine Inc. 2.45% 236,471 $11.7M Add +114.2%
ORIC Oric Pharmaceuticals Inc. 2.40% 2,060,240 $11.5M Add +74.8%
ETNB 89BIO Inc. 2.29% 1,510,498 $11.0M Add +1465.1%
ERAS Erasca Inc. 2.11% 7,367,996 $10.1M Reduce -2.3%
WVE Wave Life Sciences Ltd. 1.77% 1,050,374 $8.5M Add +72.5%
NBIX Neurocrine Biosciences Inc. 1.68% 72,583 $8.0M New
TVTX Travere Therapeutics Inc. 1.53% 408,849 $7.3M Add +47.4%
GOSS Gossamer Bio Inc. 1.45% 6,320,684 $7.0M Add +2.4%
GILD Gilead Sciences Inc. 1.45% 62,029 $7.0M Add +520.3%
BBOT Bridgebio Oncology Therapeut filed as HELIX ACQUISITION CORP II 1.45% 613,393 $6.9M Add +19.5%
ELUT Elutia Inc. 1.41% 2,670,056 $6.8M Add +49.8%
PRAX Praxis Precision Medicines I 1.31% 166,074 $6.3M Add +129.0%
MLYS Mineralys Therapeutics Inc. 1.12% 338,354 $5.4M New
CGEN Compugen Ltd. 0.88% 2,895,430 $4.2M Add +78.3%
TARS Tarsus Pharmaceuticals Inc. 0.87% 81,331 $4.2M Add +23.3%
ALKS Alkermes PLC 0.86% 124,871 $4.1M New
OCUL Ocular Therapeutix Inc. 0.84% 551,570 $4.0M New
BBIO Bridgebio Pharma Inc. 0.80% 111,000 $3.8M New
KURA Kura Oncology Inc. 0.80% 581,369 $3.8M New
CLDX Celldex Therapeutics Inc. 0.78% 205,962 $3.7M Reduce -22.1%
DNTH Dianthus Therapeutics Inc. 0.72% 190,334 $3.5M New
MDGL Madrigal Pharmaceuticals Inc. 0.72% 10,344 $3.4M New
CERS Cerus Corp. 0.71% 2,456,537 $3.4M Add +54.8%
TELA Tela Bio Inc. 0.71% 2,771,288 $3.4M Reduce -9.6%
CNTA Centessa Pharmaceuticals Ltd. 0.70% 232,758 $3.3M Reduce -61.1%
TRVI Trevi Therapeutics Inc. 0.70% 530,000 $3.3M Reduce -27.8%
BPMC Blueprint Medicines Corp. 0.69% 37,345 $3.3M New
GPCR Structure Therapeutics Inc. 0.68% 188,069 $3.3M Add +23.4%
BNTC Benitec Biopharma Inc. 0.68% 250,000 $3.3M New
LQDA Liquidia Corp. 0.66% 214,057 $3.2M New
PTCT PTC Therapeutics Inc. 0.64% 60,389 $3.1M New
MTSR Metsera Inc. 0.64% 112,759 $3.1M New
BDSX Biodesix Inc. 0.54% 4,098,406 $2.6M Reduce -5.4%
DCTH Delcath Systems Inc. 0.51% 191,470 $2.4M Add +23.3%
QURE Uniqure NV 0.45% 203,400 $2.2M Add +103.4%
KNSA Kiniksa Pharmaceuticals Inte 0.41% 88,215 $2.0M New
SLDB Solid Biosciences Inc. 0.35% 452,239 $1.7M New
CMPX Compass Therapeutics Inc. 0.35% 874,869 $1.7M New
CCCC C4 Therapeutics Inc. 0.29% 882,300 $1.4M Reduce -27.8%
KALA Kala Bio Inc. 0.29% 246,079 $1.4M Add +6.5%
UNICYCIVE THERAPEUTICS INC 0.29% 2,413,489 $1.4M Reduce -2.9%
ABVX Abivax SA-ADR 0.28% 210,901 $1.3M Reduce -26.0%
KOD Kodiak Sciences Inc. 0.26% 441,807 $1.2M Reduce -55.8%
SION Sionna Therapeutics Inc. 0.25% 114,138 $1.2M New
IFRX Inflarx NV 0.25% 1,161,567 $1.2M New
MERSANA THERAPEUTICS INC 0.22% 3,088,505 $1.1M New
MODULAR MED INC 0.22% 958,881 $1.0M Reduce -24.6%
RADX Radiopharm Theranostics Ltd. 0.19% 187,406 $901K No change
AARD Aardvark Therapeutics Inc. 0.19% 119,496 $897K New
XENE Xenon Pharmaceuticals Inc. 0.07% 10,121 $340K New
AVDL Avadel Pharmaceuticals Ltd. 0.06% 39,366 $308K New
GUTS Fractyl Health Inc. 0.06% 237,448 $283K Add +34.2%
VXRT Vaxart Inc. 0.06% 683,825 $278K Reduce -36.5%

Options reported separately and not counted above: AKERO THERAPEUTICS INC calls ($7.3M), SOLENO THERAPEUTICS INC puts ($3.0M).

Other holdings (1): bonds, preferreds, convertibles and warrants · $5K (not counted above)
SecurityClassShares / PrincipalValueChange
RCKTW Rocket Pharmaceuticals in-27 *W EXP 09/02/202 104,828$5KNo change

Total filed on the 13F, all lines: $478.6M.

Portfolio Sells Q4 2024 → Q1 2025

PLRX Pliant Therapeutics Inc. Sold out 0.00% −3.87
ITCI Intra-Cellular Therapies Inc. Sold out 0.00% −3.34
PSTX Poseida Therapeutics Inc. Sold out 0.00% −2.17
ERAS Erasca Inc. Reduce -2.3% 2.11% −2.13
KOD Kodiak Sciences Inc. Reduce -55.8% 0.26% −1.97
SRRK Scholar Rock Holding Corp. Sold out 0.00% −1.77
COGT Cogent Biosciences Inc. Sold out 0.00% −1.61
CNTA Centessa Pharmaceuticals Ltd. Reduce -61.1% 0.70% −1.54
TELA Tela Bio Inc. Reduce -9.6% 0.71% −1.36
RARE Ultragenyx Pharmaceutical Inc. Sold out 0.00% −1.17
RNAM Avidity Biosciences Inc. Reduce -24.3% 2.54% −1.00
BDSX Biodesix Inc. Reduce -5.4% 0.54% −0.95
INCY Incyte Corp. Sold out 0.00% −0.76
PCVX Vaxcyte Inc. Sold out 0.00% −0.75
GERN Geron Corp. Sold out 0.00% −0.73
CLDX Celldex Therapeutics Inc. Reduce -22.1% 0.78% −0.71
CCCC C4 Therapeutics Inc. Reduce -27.8% 0.29% −0.69
INSM Insmed Inc. Reduce -13.7% 5.12% −0.62
VRDN Viridian Therapeutics Inc. Sold out 0.00% −0.43
OLMA Olema Pharmaceuticals Inc. Sold out 0.00% −0.30
EYPT Eyepoint Inc. Sold out 0.00% −0.20
ABVX Abivax SA-ADR Reduce -26.0% 0.28% −0.19
MODULAR MED INC Reduce -24.6% 0.22% −0.17
UNICYCIVE THERAPEUTICS INC Reduce -2.9% 0.29% −0.15
VXRT Vaxart Inc. Reduce -36.5% 0.06% −0.10
KPTI Karyopharm Therapeutics Inc. Sold out 0.00% −0.09
BIOA Bioage Labs Inc. Sold out 0.00% −0.05
TRVI Trevi Therapeutics Inc. Reduce -27.8% 0.70% +0.02
AKRO Akero Therapeutics Inc. Reduce -2.6% 6.09% +1.49

Portfolio Buys Q4 2024 → Q1 2025

KALV Kalvista Pharmaceuticals Inc. Add +177.5% 4.10% +2.94
SLNO Soleno Therapeutics Inc. New 2.48% +2.48
ETNB 89BIO Inc. Add +1465.1% 2.29% +2.13
VRNA Verona Pharma Ltd. Add +5.8% 7.24% +1.88
NBIX Neurocrine Biosciences Inc. New 1.68% +1.68
GILD Gilead Sciences Inc. Add +520.3% 1.45% +1.25
MLYS Mineralys Therapeutics Inc. New 1.12% +1.12
IRON Disc Medicine Inc. Add +114.2% 2.45% +0.89
ASND Ascendis Pharma A/S Add +47.1% 2.47% +0.88
ALKS Alkermes PLC New 0.86% +0.86
OCUL Ocular Therapeutix Inc. New 0.84% +0.84
BBIO Bridgebio Pharma Inc. New 0.80% +0.80
KURA Kura Oncology Inc. New 0.80% +0.80
MRUS Merus NV Add +19.1% 7.13% +0.73
DNTH Dianthus Therapeutics Inc. New 0.72% +0.72
MDGL Madrigal Pharmaceuticals Inc. New 0.72% +0.72
BPMC Blueprint Medicines Corp. New 0.69% +0.69
BNTC Benitec Biopharma Inc. New 0.68% +0.68
LQDA Liquidia Corp. New 0.66% +0.66
PTCT PTC Therapeutics Inc. New 0.64% +0.64
MTSR Metsera Inc. New 0.64% +0.64
URGN Urogen Pharma Ltd. Add +23.3% 3.19% +0.52
TVTX Travere Therapeutics Inc. Add +47.4% 1.53% +0.45
KNSA Kiniksa Pharmaceuticals Inte New 0.41% +0.41
SLDB Solid Biosciences Inc. New 0.35% +0.35
CMPX Compass Therapeutics Inc. New 0.35% +0.35
CGEN Compugen Ltd. Add +78.3% 0.88% +0.33
RYTM Rhythm Pharmaceuticals Inc. Add +23.3% 3.74% +0.31
ORIC Oric Pharmaceuticals Inc. Add +74.8% 2.40% +0.28
SION Sionna Therapeutics Inc. New 0.25% +0.25
IFRX Inflarx NV New 0.25% +0.25
BBOT Bridgebio Oncology Therapeut Add +19.5% 1.45% +0.24
MERSANA THERAPEUTICS INC New 0.22% +0.22
GOSS Gossamer Bio Inc. Add +2.4% 1.45% +0.20
AARD Aardvark Therapeutics Inc. New 0.19% +0.19
CERS Cerus Corp. Add +54.8% 0.71% +0.17
DCTH Delcath Systems Inc. Add +23.3% 0.51% +0.09
WVE Wave Life Sciences Ltd. Add +72.5% 1.77% +0.09
XENE Xenon Pharmaceuticals Inc. New 0.07% +0.07
PRAX Praxis Precision Medicines I Add +129.0% 1.31% +0.07
AVDL Avadel Pharmaceuticals Ltd. New 0.06% +0.06
TARS Tarsus Pharmaceuticals Inc. Add +23.3% 0.87% +0.06
QURE Uniqure NV Add +103.4% 0.45% +0.06
GUTS Fractyl Health Inc. Add +34.2% 0.06% −0.02
KALA Kala Bio Inc. Add +6.5% 0.29% −0.06
ELUT Elutia Inc. Add +49.8% 1.41% −0.08
GPCR Structure Therapeutics Inc. Add +23.4% 0.68% −0.24
SNDX Syndax Pharmaceuticals Inc. Add +6.4% 3.36% −0.28
NUVL Nuvalent Inc. Class A Add +9.8% 6.50% −0.50
VCYT Veracyte Inc. Add +25.9% 3.93% −0.53

Options Activity Q4 2024 → Q1 2025

AKERO THERAPEUTICS INC call Reduce -17.9% 180,600 $7.3M
SOLENO THERAPEUTICS INC put New 42,500 $3.0M
SYNDAX PHARMACEUTICALS INC call Sold out 172,400 $2.3Mbefore exit
NEUMORA THERAPEUTICS INC. call Sold out 147,200 $1.6Mbefore exit

Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 64$898.5MASND, CELC, COGT, URGN, IMNM
Q1 2026 66$848.6MKALV, DNTH, COGT, CELC, IMNM
Q4 2025 63$691.1MABVX, COGT, URGN, KALV, CELC
Q3 2025 72$690.7MABVX, RYTM, RNAM, NUVL, URGN
Q2 2025 56$488.6MMRUS, AKRO, VRNA, URGN, RYTM
Q1 2025 66$478.6MVRNA, MRUS, NUVL, AKRO, INSM
Q4 2024 57$447.2MNUVL, MRUS, INSM, VRNA, AKRO
Q3 2024 67$443.7MNUVL, MRUS, INSM, RNAM, ERAS
Q2 2024 65$405.1MMRUS, NUVL, RNAM, URGN, ERAS
Q1 2024 72$356.6MMRUS, SLDB, MORF, ORIC, MERSANA THERAPEUTICS INC