Silverarc Capital Management, LLC

In its 13F for Q2 2024 (holdings as of June 30, 2024, filed August 14, 2024), Silverarc Capital Management, LLC reported 65 stock positions worth $405.1 million. Its top holding was Merus (MRUS) at 9.1% of the portfolio, followed by Nuvalent Class A (NUVL, 8.7%) and Avidity Biosciences (RNAM, 5.2%). Compared with Q1 2024, it opened 13 new positions, sold out of 20, added to 27 and reduced 10. The biggest buy was Nuvalent Class A (NUVL, shares +195%) and the biggest sale Solid Biosciences (SLDB, shares −64%).

Most Recent 13F
Q2 2026
Location
BOSTON, MA
CIK
0001816307
Portfolio Value
$405.1M (Q2 2024)
SEC Filing
0001420506-24-001528 ↗ filed Aug 14, 2024

Holdings Value

0$200.0M$400.0M$600.0M$800.0M$1.0B Q1 2024: $356.6M Q1 2024 Q2 2024: $405.1M $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 65 stocks · $405.1M

MRUS Merus NV 9.11% 623,628 $36.9M Add +10.1%
NUVL Nuvalent Inc. Class A 8.72% 465,710 $35.3M Add +195.2%
RNAM Avidity Biosciences Inc. 5.22% 517,734 $21.1M Add +5.8%
URGN Urogen Pharma Ltd. 4.57% 1,102,000 $18.5M Add +116.7%
ERAS Erasca Inc. 4.55% 7,816,926 $18.4M Add +3392.1%
MORF Morphic Holding Inc. 4.09% 486,306 $16.6M Add +0.5%
AKRO Akero Therapeutics Inc. 3.62% 625,087 $14.7M Add +56.3%
CLDX Celldex Therapeutics Inc. 3.43% 374,910 $13.9M Add +25.3%
ITCI Intra-Cellular Therapies Inc. 3.25% 192,345 $13.2M Add +452.6%
PSTX Poseida Therapeutics Inc. 2.60% 3,607,999 $10.5M Add +0.3%
COGT Cogent Biosciences Inc. 2.51% 1,206,214 $10.2M Add +16.4%
INSM Insmed Inc. 2.32% 140,000 $9.4M Add +23.2%
ALNY Alnylam Pharmaceuticals Inc. 2.16% 36,000 $8.7M New
ELUT Elutia Inc. 1.96% 1,603,580 $8.0M Add +1940.7%
CRBP Corbus Pharmaceuticals Holdi 1.93% 172,492 $7.8M Add +439.4%
ORIC Oric Pharmaceuticals Inc. 1.88% 1,075,812 $7.6M Reduce -3.3%
SNDX Syndax Pharmaceuticals Inc. 1.88% 370,000 $7.6M New
RYTM Rhythm Pharmaceuticals Inc. 1.87% 184,662 $7.6M Add +0.5%
CCCC C4 Therapeutics Inc. 1.65% 1,442,841 $6.7M Add +0.5%
SRPT Sarepta Therapeutics Inc. 1.64% 42,000 $6.6M New
KALV Kalvista Pharmaceuticals Inc. 1.63% 560,883 $6.6M Reduce -0.1%
VCYT Veracyte Inc. 1.51% 282,248 $6.1M Add +0.5%
ABVX Abivax SA-ADR 1.49% 455,800 $6.0M Add +507.7%
OLMA Olema Pharmaceuticals Inc. 1.46% 546,863 $5.9M Add +6.1%
ADCT Adc Therapeutics SA 1.38% 1,768,770 $5.6M Add +252.9%
BBOT Bridgebio Oncology Therapeut filed as HELIX ACQUISITION CORP II 1.26% 500,000 $5.1M No change
MERSANA THERAPEUTICS INC 1.24% 2,500,585 $5.0M Reduce -15.8%
GOSS Gossamer Bio Inc. 1.22% 5,500,000 $5.0M Reduce -10.3%
TELA Tela Bio Inc. 1.16% 1,000,000 $4.7M Add +28.7%
IRON Disc Medicine Inc. 1.13% 101,187 $4.6M New
BIIB Biogen Inc. 1.11% 19,365 $4.5M No change
VRNA Verona Pharma Ltd. 1.09% 304,633 $4.4M Add +122.8%
GERN Geron Corp. 1.05% 999,270 $4.2M Add +299.7%
BHVN Biohaven Ltd. 0.86% 100,000 $3.5M New
LBPH Longboard Pharmaceuticals Inc. 0.82% 122,849 $3.3M New
PRAX Praxis Precision Medicines I 0.69% 67,296 $2.8M Reduce -64.7%
GPCR Structure Therapeutics Inc. 0.68% 70,516 $2.8M Add +605.2%
BDSX Biodesix Inc. 0.68% 1,808,959 $2.8M New
MIRM Mirum Pharmaceuticals Inc. 0.67% 79,194 $2.7M No change
SLDB Solid Biosciences Inc. 0.66% 472,995 $2.7M Reduce -64.3%
CATX Perspective Therapeutics Inc. 0.64% 260,009 $2.6M New
CERS Cerus Corp. 0.64% 1,465,744 $2.6M No change
CGEN Compugen Ltd. 0.62% 1,501,113 $2.5M Add +50.1%
TRVI Trevi Therapeutics Inc. 0.62% 844,235 $2.5M No change
KOD Kodiak Sciences Inc. 0.62% 1,062,062 $2.5M Reduce -14.3%
JSPR Jasper Therapeutics Inc. 0.62% 109,892 $2.5M No change
ENGN Engene Holdings Inc. 0.61% 263,841 $2.5M New
WVE Wave Life Sciences Ltd. 0.61% 495,471 $2.5M No change
FULC Fulcrum Therapeutics Inc. 0.61% 398,436 $2.5M No change
EVOGENE LTD 0.49% 3,079,739 $2.0M Reduce -0.2%
STOK Stoke Therapeutics Inc. 0.47% 141,518 $1.9M New
MGNX Macrogenics Inc. 0.39% 370,000 $1.6M Reduce -22.6%
MODULAR MED INC 0.35% 900,000 $1.4M No change
ZURA Zura Bio Ltd. 0.28% 328,504 $1.1M No change
TARS Tarsus Pharmaceuticals Inc. 0.27% 40,000 $1.1M New
VYNE THERAPEUTICS INC 0.23% 467,397 $921K Add +441.1%
EYPT Eyepoint Inc. 0.21% 100,000 $870K Reduce -59.7%
ETNB 89BIO Inc. 0.18% 92,298 $739K No change
MTEMQ Molecular Templates Inc. 0.18% 623,838 $717K Add +75.9%
GUTS Fractyl Health Inc. 0.18% 166,666 $712K No change
SLNO Soleno Therapeutics Inc. 0.15% 15,000 $612K New
KPTI Karyopharm Therapeutics Inc. 0.12% 558,466 $485K No change
RLMD Relmada Therapeutics Inc. 0.07% 99,379 $298K No change
ALGS Aligos Therapeutics Inc. 0.06% 655,515 $229K No change
PCVX Vaxcyte Inc. 0.05% 2,500 $189K New

Options reported separately and not counted above: INSMED INC calls ($16.8M), ALX ONCOLOGY HLDGS INC puts ($1.0M), C4 THERAPEUTICS INC calls ($693K), MERSANA THERAPEUTICS INC calls ($338K).

Other holdings (1): bonds, preferreds, convertibles and warrants · $6K (not counted above)
SecurityClassShares / PrincipalValueChange
RCKTW Rocket Pharmaceuticals in-27 *W EXP 09/02/202 104,828$6KNo change

Total filed on the 13F, all lines: $405.1M.

Portfolio Sells Q1 2024 → Q2 2024

SLDB Solid Biosciences Inc. Reduce -64.3% 0.66% −4.29
CATX Perspective Therapeutics Inc. Sold out 0.00% −2.71
PRAX Praxis Precision Medicines I Reduce -64.7% 0.69% −2.57
MERSANA THERAPEUTICS INC Reduce -15.8% 1.24% −2.49
ORIC Oric Pharmaceuticals Inc. Reduce -3.3% 1.88% −2.41
ALPN Alpine Immune Sciences Inc. Sold out 0.00% −2.21
CRNX Crinetics Pharmaceuticals Inc. Sold out 0.00% −1.68
MGNX Macrogenics Inc. Reduce -22.6% 0.39% −1.59
BOLD Boundless Bio Inc. Sold out 0.00% −1.25
EYPT Eyepoint Inc. Reduce -59.7% 0.21% −1.22
KOD Kodiak Sciences Inc. Reduce -14.3% 0.62% −1.21
SRRK Scholar Rock Holding Corp. Sold out 0.00% −0.99
CYTK Cytokinetics Inc. Sold out 0.00% −0.98
APGE Apogee Therapeutics Inc. Sold out 0.00% −0.93
GOSS Gossamer Bio Inc. Reduce -10.3% 1.22% −0.81
XENE Xenon Pharmaceuticals Inc. Sold out 0.00% −0.80
DXCM Dexcom Inc. Sold out 0.00% −0.78
PLRX Pliant Therapeutics Inc. Sold out 0.00% −0.77
RCKT Rocket Pharmaceuticals Inc. Sold out 0.00% −0.76
NAMS Newamsterdam Pharma Co. NV Sold out 0.00% −0.66
KRYS Krystal Biotech Inc. Sold out 0.00% −0.50
TERN Terns Pharmaceuticals Inc. Sold out 0.00% −0.46
VKTX Viking Therapeutics Inc. Sold out 0.00% −0.46
AMLX Amylyx Pharmaceuticals Inc. Sold out 0.00% −0.40
KALV Kalvista Pharmaceuticals Inc. Reduce -0.1% 1.63% −0.24
ACET Adicet Bio Inc. Sold out 0.00% −0.22
MLYS Mineralys Therapeutics Inc. Sold out 0.00% −0.21
EVOGENE LTD Reduce -0.2% 0.49% −0.15
RZLT Rezolute Inc. Sold out 0.00% −0.11
IMNM Immunome Inc. Sold out 0.00% −0.05

Portfolio Buys Q1 2024 → Q2 2024

NUVL Nuvalent Inc. Class A Add +195.2% 8.72% +5.40
ERAS Erasca Inc. Add +3392.1% 4.55% +4.42
ITCI Intra-Cellular Therapies Inc. Add +452.6% 3.25% +2.58
URGN Urogen Pharma Ltd. Add +116.7% 4.57% +2.43
ALNY Alnylam Pharmaceuticals Inc. New 2.16% +2.16
MRUS Merus NV Add +10.1% 9.11% +1.96
ELUT Elutia Inc. Add +1940.7% 1.96% +1.89
SNDX Syndax Pharmaceuticals Inc. New 1.88% +1.88
RNAM Avidity Biosciences Inc. Add +5.8% 5.22% +1.72
SRPT Sarepta Therapeutics Inc. New 1.64% +1.64
CRBP Corbus Pharmaceuticals Holdi Add +439.4% 1.93% +1.57
INSM Insmed Inc. Add +23.2% 2.32% +1.45
ABVX Abivax SA-ADR Add +507.7% 1.49% +1.19
IRON Disc Medicine Inc. New 1.13% +1.13
BHVN Biohaven Ltd. New 0.86% +0.86
LBPH Longboard Pharmaceuticals Inc. New 0.82% +0.82
GERN Geron Corp. Add +299.7% 1.05% +0.81
AKRO Akero Therapeutics Inc. Add +56.3% 3.62% +0.79
ADCT Adc Therapeutics SA Add +252.9% 1.38% +0.75
BDSX Biodesix Inc. New 0.68% +0.68
CATX Perspective Therapeutics Inc. New 0.64% +0.64
ENGN Engene Holdings Inc. New 0.61% +0.61
GPCR Structure Therapeutics Inc. Add +605.2% 0.68% +0.56
COGT Cogent Biosciences Inc. Add +16.4% 2.51% +0.56
STOK Stoke Therapeutics Inc. New 0.47% +0.47
VRNA Verona Pharma Ltd. Add +122.8% 1.09% +0.47
TARS Tarsus Pharmaceuticals Inc. New 0.27% +0.27
VYNE THERAPEUTICS INC Add +441.1% 0.23% +0.15
SLNO Soleno Therapeutics Inc. New 0.15% +0.15
PCVX Vaxcyte Inc. New 0.05% +0.05
MTEMQ Molecular Templates Inc. Add +75.9% 0.18% −0.05
TELA Tela Bio Inc. Add +28.7% 1.16% −0.07
CLDX Celldex Therapeutics Inc. Add +25.3% 3.43% −0.10
CGEN Compugen Ltd. Add +50.1% 0.62% −0.10
OLMA Olema Pharmaceuticals Inc. Add +6.1% 1.46% −0.18
VCYT Veracyte Inc. Add +0.5% 1.51% −0.23
RYTM Rhythm Pharmaceuticals Inc. Add +0.5% 1.87% −0.36
PSTX Poseida Therapeutics Inc. Add +0.3% 2.60% −0.62
MORF Morphic Holding Inc. Add +0.5% 4.09% −0.69
CCCC C4 Therapeutics Inc. Add +0.5% 1.65% −1.64

Options Activity Q1 2024 → Q2 2024

INSMED INC call New 250,000 $16.8M
MACROGENICS INC call Sold out 145,500 $2.1Mbefore exit
ALX ONCOLOGY HLDGS INC put New 167,900 $1.0M
MERSANA THERAPEUTICS INC call Add +9800.0% 168,300 $338K
AMYLYX PHARMACEUTICALS INC call Sold out 20,000 $57Kbefore 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