Silverarc Capital Management, LLC

In its 13F for Q1 2024 (holdings as of March 31, 2024, filed May 15, 2024), Silverarc Capital Management, LLC reported 72 stock positions worth $356.6 million. Its top holding was Merus (MRUS) at 7.2% of the portfolio, followed by Solid Biosciences (SLDB, 4.9%) and Morphic (MORF, 4.8%). Compared with Q4 2023, it opened 30 new positions, sold out of 21, added to 9 and reduced 31. The biggest buy was Solid Biosciences (SLDB, shares +123%) and the biggest sale an exit from Medtronic (MDT).

Most Recent 13F
Q2 2026
Location
BOSTON, MA
CIK
0001816307
Portfolio Value
$356.6M (Q1 2024)
SEC Filing
0001420506-24-000871 ↗ filed May 15, 2024

Holdings Value

0$200.0M$400.0M$600.0M$800.0M$1.0B Q1 2024: $356.6M $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 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 72 stocks · $356.6M

MRUS Merus NV 7.15% 566,287 $25.5M Reduce -12.3%
SLDB Solid Biosciences Inc. 4.95% 1,325,065 $17.6M Add +122.8%
MORF Morphic Holding Inc. 4.78% 483,972 $17.0M Reduce -3.2%
ORIC Oric Pharmaceuticals Inc. 4.29% 1,113,007 $15.3M Reduce -4.9%
MERSANA THERAPEUTICS INC 3.73% 2,968,798 $13.3M Reduce -53.8%
CLDX Celldex Therapeutics Inc. 3.52% 299,316 $12.6M Add +21.1%
RNAM Avidity Biosciences Inc. 3.50% 489,303 $12.5M New
NUVL Nuvalent Inc. Class A 3.32% 157,750 $11.8M Reduce -18.3%
CCCC C4 Therapeutics Inc. 3.29% 1,435,931 $11.7M New
PRAX Praxis Precision Medicines I 3.26% 190,556 $11.6M Reduce -32.9%
PSTX Poseida Therapeutics Inc. 3.22% 3,596,476 $11.5M Reduce -3.0%
AKRO Akero Therapeutics Inc. 2.83% 399,949 $10.1M Add +60.5%
CATX Perspective Therapeutics Inc. 2.71% 8,108,108 $9.6M New
RYTM Rhythm Pharmaceuticals Inc. 2.23% 183,776 $8.0M Add +5.5%
ALPN Alpine Immune Sciences Inc. 2.21% 199,020 $7.9M Reduce -33.2%
URGN Urogen Pharma Ltd. 2.14% 508,587 $7.6M Reduce -3.2%
GOSS Gossamer Bio Inc. 2.03% 6,130,268 $7.2M No change
MGNX Macrogenics Inc. 1.97% 478,079 $7.0M Reduce -62.0%
COGT Cogent Biosciences Inc. 1.95% 1,036,667 $7.0M Add +7.2%
KALV Kalvista Pharmaceuticals Inc. 1.87% 561,183 $6.7M Add +402.3%
KOD Kodiak Sciences Inc. 1.83% 1,238,822 $6.5M Add +23.9%
VCYT Veracyte Inc. 1.74% 280,773 $6.2M Add +13.3%
CRNX Crinetics Pharmaceuticals Inc. 1.68% 127,835 $6.0M New
OLMA Olema Pharmaceuticals Inc. 1.64% 515,317 $5.8M Reduce -10.2%
BBOT Bridgebio Oncology Therapeut filed as HELIX ACQUISITION CORP II 1.46% 500,000 $5.2M New
EYPT Eyepoint Inc. 1.44% 247,968 $5.1M New
BOLD Boundless Bio Inc. 1.25% 312,500 $4.5M New
TELA Tela Bio Inc. 1.24% 776,851 $4.4M Reduce -2.3%
BIIB Biogen Inc. 1.17% 19,365 $4.2M Reduce -3.2%
FULC Fulcrum Therapeutics Inc. 1.05% 398,436 $3.8M New
SRRK Scholar Rock Holding Corp. 0.99% 199,415 $3.5M Reduce -26.1%
CYTK Cytokinetics Inc. 0.98% 50,000 $3.5M New
APGE Apogee Therapeutics Inc. 0.93% 50,000 $3.3M New
JSPR Jasper Therapeutics Inc. 0.90% 109,892 $3.2M New
INSM Insmed Inc. 0.86% 113,616 $3.1M Reduce -26.9%
WVE Wave Life Sciences Ltd. 0.86% 495,471 $3.1M New
TRVI Trevi Therapeutics Inc. 0.82% 844,235 $2.9M Reduce -2.3%
XENE Xenon Pharmaceuticals Inc. 0.80% 66,090 $2.8M Reduce -59.5%
DXCM Dexcom Inc. 0.78% 20,000 $2.8M Reduce -35.5%
CERS Cerus Corp. 0.78% 1,465,744 $2.8M Reduce -2.3%
PLRX Pliant Therapeutics Inc. 0.77% 183,392 $2.7M Reduce -42.4%
RCKT Rocket Pharmaceuticals Inc. 0.76% 101,002 $2.7M Reduce -73.6%
CGEN Compugen Ltd. 0.72% 1,000,000 $2.6M Add +6.4%
ITCI Intra-Cellular Therapies Inc. 0.68% 34,807 $2.4M Reduce -56.5%
NAMS Newamsterdam Pharma Co. NV 0.66% 99,612 $2.4M New
EVOGENE LTD 0.65% 3,085,503 $2.3M Reduce -0.5%
ADCT Adc Therapeutics SA 0.63% 501,222 $2.3M New
VRNA Verona Pharma Ltd. 0.62% 136,714 $2.2M New
MIRM Mirum Pharmaceuticals Inc. 0.56% 79,194 $2.0M Reduce -2.0%
KRYS Krystal Biotech Inc. 0.50% 10,000 $1.8M New
MODULAR MED INC 0.47% 900,000 $1.7M New
TERN Terns Pharmaceuticals Inc. 0.46% 250,551 $1.6M Reduce -51.5%
VKTX Viking Therapeutics Inc. 0.46% 20,000 $1.6M New
AMLX Amylyx Pharmaceuticals Inc. 0.40% 500,000 $1.4M New
CRBP Corbus Pharmaceuticals Holdi 0.35% 31,980 $1.3M New
GUTS Fractyl Health Inc. 0.35% 166,666 $1.2M New
ETNB 89BIO Inc. 0.30% 92,298 $1.1M Reduce -41.9%
ABVX Abivax SA-ADR 0.30% 75,000 $1.1M New
ZURA Zura Bio Ltd. 0.24% 328,504 $844K Reduce -29.1%
KPTI Karyopharm Therapeutics Inc. 0.24% 558,466 $843K Reduce -0.6%
GERN Geron Corp. 0.23% 250,000 $825K New
MTEMQ Molecular Templates Inc. 0.22% 354,608 $794K No change
ACET Adicet Bio Inc. 0.22% 331,279 $779K New
MLYS Mineralys Therapeutics Inc. 0.21% 56,944 $735K New
ALGS Aligos Therapeutics Inc. 0.18% 655,515 $642K Reduce -1.9%
RLMD Relmada Therapeutics Inc. 0.13% 99,379 $462K Reduce -0.6%
ERAS Erasca Inc. 0.13% 223,845 $461K New
GPCR Structure Therapeutics Inc. 0.12% 10,000 $429K New
RZLT Rezolute Inc. 0.11% 151,985 $388K Reduce -3.3%
VYNE THERAPEUTICS INC 0.07% 86,383 $265K New
ELUT Elutia Inc. 0.07% 78,580 $248K New
IMNM Immunome Inc. 0.05% 7,489 $185K New

Options reported separately and not counted above: MACROGENICS INC calls ($2.1M), C4 THERAPEUTICS INC calls ($1.2M), AMYLYX PHARMACEUTICALS INC calls ($57K), MERSANA THERAPEUTICS INC calls ($8K).

Other holdings (1): bonds, preferreds, convertibles and warrants · $31K (not counted above)
SecurityClassShares / PrincipalValueChange
RCKTW Rocket Pharmaceuticals in-27 *W EXP 09/02/202 104,828$31KNo change

Total filed on the 13F, all lines: $356.6M.

Portfolio Sells Q4 2023 → Q1 2024

MDT Medtronic PLC Sold out 0.00% −3.43
SNY Sanofi-ADR Sold out 0.00% −3.37
RCKT Rocket Pharmaceuticals Inc. Reduce -73.6% 0.76% −2.77
MGNX Macrogenics Inc. Reduce -62.0% 1.97% −1.76
ISRG Intuitive Surgical Inc. Sold out 0.00% −1.65
CBAY Cymabay Therapeutics Inc. Sold out 0.00% −1.60
CRBU Caribou Biosciences Inc. Sold out 0.00% −1.59
PEN Penumbra Inc. Sold out 0.00% −1.55
XENE Xenon Pharmaceuticals Inc. Reduce -59.5% 0.80% −1.52
SRPT Sarepta Therapeutics Inc. Sold out 0.00% −1.39
UTHR United Therapeutics Corp. Sold out 0.00% −1.11
ITCI Intra-Cellular Therapies Inc. Reduce -56.5% 0.68% −1.09
NUVL Nuvalent Inc. Class A Reduce -18.3% 3.32% −1.06
PLRX Pliant Therapeutics Inc. Reduce -42.4% 0.77% −1.01
BHVN Biohaven Ltd. Sold out 0.00% −0.93
MLTX Moonlake Immunotherapeutics Sold out 0.00% −0.93
SLNO Soleno Therapeutics Inc. Sold out 0.00% −0.91
MERSANA THERAPEUTICS INC Reduce -53.8% 3.73% −0.86
OLMA Olema Pharmaceuticals Inc. Reduce -10.2% 1.64% −0.85
PSTX Poseida Therapeutics Inc. Reduce -3.0% 3.22% −0.62
INSM Insmed Inc. Reduce -26.9% 0.86% −0.62
ANNX Annexon Inc. Sold out 0.00% −0.58
TERN Terns Pharmaceuticals Inc. Reduce -51.5% 0.46% −0.57
SRRK Scholar Rock Holding Corp. Reduce -26.1% 0.99% −0.57
ARGX Argenx SE - ADR Sold out 0.00% −0.57
PMVP PMV Pharmaceuticals Inc. Sold out 0.00% −0.53
ALT Altimmune Inc. Sold out 0.00% −0.52
NTLA Intellia Therapeutics Inc. Sold out 0.00% −0.52
BCRX Biocryst Pharmaceuticals Inc. Sold out 0.00% −0.46
ZURA Zura Bio Ltd. Reduce -29.1% 0.24% −0.43
BIIB Biogen Inc. Reduce -3.2% 1.17% −0.43
DXCM Dexcom Inc. Reduce -35.5% 0.78% −0.41
TELA Tela Bio Inc. Reduce -2.3% 1.24% −0.39
SDGR Schrodinger Inc. Sold out 0.00% −0.34
VRDN Viridian Therapeutics Inc. Sold out 0.00% −0.34
URGN Urogen Pharma Ltd. Reduce -3.2% 2.14% −0.29
IMVT Immunovant Inc. Sold out 0.00% −0.26
ETNB 89BIO Inc. Reduce -41.9% 0.30% −0.25
CERS Cerus Corp. Reduce -2.3% 0.78% −0.22
APLS Apellis Pharmaceuticals Inc. Sold out 0.00% −0.18
MIRM Mirum Pharmaceuticals Inc. Reduce -2.0% 0.56% −0.18
EVOGENE LTD Reduce -0.5% 0.65% −0.15
RLMD Relmada Therapeutics Inc. Reduce -0.6% 0.13% +0.00
ALGS Aligos Therapeutics Inc. Reduce -1.9% 0.18% +0.04
RZLT Rezolute Inc. Reduce -3.3% 0.11% +0.06
KPTI Karyopharm Therapeutics Inc. Reduce -0.6% 0.24% +0.09
MORF Morphic Holding Inc. Reduce -3.2% 4.78% +0.32
TRVI Trevi Therapeutics Inc. Reduce -2.3% 0.82% +0.46
ALPN Alpine Immune Sciences Inc. Reduce -33.2% 2.21% +0.46
ORIC Oric Pharmaceuticals Inc. Reduce -4.9% 4.29% +0.97

Portfolio Buys Q4 2023 → Q1 2024

SLDB Solid Biosciences Inc. Add +122.8% 4.95% +3.82
RNAM Avidity Biosciences Inc. New 3.50% +3.50
CCCC C4 Therapeutics Inc. New 3.29% +3.29
CATX Perspective Therapeutics Inc. New 2.71% +2.71
CRNX Crinetics Pharmaceuticals Inc. New 1.68% +1.68
BBOT Bridgebio Oncology Therapeut New 1.46% +1.46
KALV Kalvista Pharmaceuticals Inc. Add +402.3% 1.87% +1.44
EYPT Eyepoint Inc. New 1.44% +1.44
BOLD Boundless Bio Inc. New 1.25% +1.25
FULC Fulcrum Therapeutics Inc. New 1.05% +1.05
AKRO Akero Therapeutics Inc. Add +60.5% 2.83% +1.04
CYTK Cytokinetics Inc. New 0.98% +0.98
APGE Apogee Therapeutics Inc. New 0.93% +0.93
JSPR Jasper Therapeutics Inc. New 0.90% +0.90
KOD Kodiak Sciences Inc. Add +23.9% 1.83% +0.89
WVE Wave Life Sciences Ltd. New 0.86% +0.86
NAMS Newamsterdam Pharma Co. NV New 0.66% +0.66
ADCT Adc Therapeutics SA New 0.63% +0.63
VRNA Verona Pharma Ltd. New 0.62% +0.62
KRYS Krystal Biotech Inc. New 0.50% +0.50
CLDX Celldex Therapeutics Inc. Add +21.1% 3.52% +0.50
MODULAR MED INC New 0.47% +0.47
VKTX Viking Therapeutics Inc. New 0.46% +0.46
AMLX Amylyx Pharmaceuticals Inc. New 0.40% +0.40
CRBP Corbus Pharmaceuticals Holdi New 0.35% +0.35
GUTS Fractyl Health Inc. New 0.35% +0.35
ABVX Abivax SA-ADR New 0.30% +0.30
GERN Geron Corp. New 0.23% +0.23
ACET Adicet Bio Inc. New 0.22% +0.22
MLYS Mineralys Therapeutics Inc. New 0.21% +0.21
COGT Cogent Biosciences Inc. Add +7.2% 1.95% +0.20
CGEN Compugen Ltd. Add +6.4% 0.72% +0.15
ERAS Erasca Inc. New 0.13% +0.13
GPCR Structure Therapeutics Inc. New 0.12% +0.12
VYNE THERAPEUTICS INC New 0.07% +0.07
ELUT Elutia Inc. New 0.07% +0.07
IMNM Immunome Inc. New 0.05% +0.05
RYTM Rhythm Pharmaceuticals Inc. Add +5.5% 2.23% −0.24
VCYT Veracyte Inc. Add +13.3% 1.74% −0.36

Options Activity Q4 2023 → Q1 2024

MRTX Mirati Therapeutics Inc. call Sold out 150,000 $8.8Mbefore exit
KALV Kalvista Pharmaceuticals Inc. call Sold out 180,400 $2.2Mbefore exit
MACROGENICS INC call New 145,500 $2.1M
C4 THERAPEUTICS INC call New 150,000 $1.2M
MERSANA THERAPEUTICS INC call Sold out 301,600 $700Kbefore exit
AMYLYX PHARMACEUTICALS INC call New 20,000 $57K
MERSANA THERAPEUTICS INC call New 1,700 $8K

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