Arvin Capital Management LP In its 13F for Q2 2025 (holdings as of June 30, 2025, filed August 13, 2025), Arvin Capital Management LP reported 23 stock positions worth $348.9 million . Its top holding was Amentum (AMTM) at 14.5% of the portfolio, followed by Transalta (TAC, 9.1% ) and Danaher (DHR, 8.4% ). Compared with Q1 2025, it opened 11 new positions, sold out of 10, added to 6 and reduced 6. The biggest buy was a new position in Thermo Fisher Scientific (TMO) and the biggest sale an exit from Jd.com Inc.-ADR (JD).
Location AUSTIN, TX
CIK 0001961738
Portfolio Value $348.9M (Q2 2025) Holdings 23 stocks · $348.9M Holdings quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock % Of Portfolio ▼ Shares Held Total Value Change vs Q1 2025 AMTM Amentum Holdings Inc. 2,139,434 $50.5M Add +26.8% TAC Transalta Corp. 2,933,500 $31.7M Add +20.8% DHR Danaher Corp. 147,843 $29.2M Add +135.9% TMO Thermo Fisher Scientific Inc. 51,967 $21.1M New AMZN Amazon.com Inc. 82,801 $18.2M Add +80.9% CRS Carpenter Technology 64,579 $17.8M Reduce -49.4% PINS Pinterest Inc. Class A 491,000 $17.6M New OPCH Option Care Health Inc. 474,263 $15.4M Reduce -6.4% GXO Gxo Logistics Inc. 303,625 $14.8M New AL Sumisho Air Lease Corp. filed as AIR LEASE CORP 245,540 $14.4M Add +80.5% RBA RB Global Inc. 131,247 $13.9M Reduce -24.2% AVTR Avantor Inc. 983,100 $13.2M New TSEM Tower Semiconductor Ltd. 291,312 $12.6M Reduce -52.6% CEG Constellation Energy 32,560 $10.5M New GEHC GE Healthcare Technology 136,162 $10.1M New PZZA Papa John's Intl Inc. 203,900 $10.0M New TECH Bio-Techne Corp. 170,208 $8.8M New STX Seagate Technology Holdings 60,300 $8.7M Reduce -57.1% ITRI Itron Inc. 63,291 $8.3M New SNPS Synopsys Inc. 15,800 $8.1M New ENTG Entegris Inc. 91,900 $7.4M New META Meta Platforms Inc. Class A 4,796 $3.5M Reduce -56.2% SNDK Sandisk Corp. 67,068 $3.0M Add +26.0%
Options reported separately and not counted above: AMZN calls ($23.0M), SNPS calls ($21.5M), CSX calls ($16.3M), VAL calls ($10.5M), TAC calls ($10.5M), AL calls ($8.8M), GXO calls ($8.4M), AVTR calls ($7.4M), ARKK puts ($7.0M), PINS calls ($6.3M), TMO calls ($4.9M), BABA calls ($4.0M), and 4 more.
Other holdings (1): bonds, preferreds, convertibles and warrants · $1.3M (not counted above) Total filed on the 13F, all lines: $350.2M.
Portfolio Sells Q1 2025 → Q2 2025 Portfolio Sells quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock Change vs Q1 2025 % Of Portfolio Change To Portfolio ▲ JD Jd.com Inc.-ADR Sold out 0.00% −6.33 ADBE Adobe Inc. Sold out 0.00% −4.52 TSEM Tower Semiconductor Ltd. Reduce -52.6% 3.62% −4.47 EPAM Epam Systems Inc. Sold out 0.00% −4.36 XPO Xpo Inc. Sold out 0.00% −4.20 PRMB Primo Brands Corp. Sold out 0.00% −4.03 BABA Alibaba Group Holding-SP ADR Sold out 0.00% −3.98 IP International Paper Co. Sold out 0.00% −3.79 CRS Carpenter Technology Reduce -49.4% 5.12% −3.43 RBA RB Global Inc. Reduce -24.2% 3.99% −2.41 OPCH Option Care Health Inc. Reduce -6.4% 4.42% −2.12 STX Seagate Technology Holdings Reduce -57.1% 2.49% −1.92 META Meta Platforms Inc. Class A Reduce -56.2% 1.01% −1.32 BORR Borr Drilling Ltd. Sold out 0.00% −0.83 WULF Terawulf Inc. Sold out 0.00% −0.49 NEW ORIENTAL ED & TECHNOLOGY Sold out 0.00% −0.12
Portfolio Buys Q1 2025 → Q2 2025 Portfolio Buys quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock Change vs Q1 2025 % Of Portfolio Change To Portfolio ▼ TMO Thermo Fisher Scientific Inc. New 6.04% +6.04 PINS Pinterest Inc. Class A New 5.05% +5.05 GXO Gxo Logistics Inc. New 4.24% +4.24 AVTR Avantor Inc. New 3.79% +3.79 DHR Danaher Corp. Add +135.9% 8.37% +3.63 AMTM Amentum Holdings Inc. Add +26.8% 14.48% +3.14 CEG Constellation Energy New 3.01% +3.01 GEHC GE Healthcare Technology New 2.89% +2.89 PZZA Papa John's Intl Inc. New 2.86% +2.86 TECH Bio-Techne Corp. New 2.51% +2.51 ITRI Itron Inc. New 2.39% +2.39 SNPS Synopsys Inc. New 2.32% +2.32 ENTG Entegris Inc. New 2.12% +2.12 AMZN Amazon.com Inc. Add +80.9% 5.21% +1.99 AL Sumisho Air Lease Corp. Add +80.5% 4.12% +1.69 TAC Transalta Corp. Add +20.8% 9.07% +0.69 SNDK Sandisk Corp. Add +26.0% 0.87% −0.06
Options Activity Q1 2025 → Q2 2025 Security Type Change vs Q1 2025 Underlying Shares Value ▼ AMZN Amazon.com Inc. call Add +16.7% 105,000 $23.0M SNPS Synopsys Inc. call New 41,900 $21.5M META Meta Platforms Inc. Class A call Sold out 32,000 $18.4Mbefore exit VST Vistra Corp. call Sold out 148,500 $17.4Mbefore exit AAPL Apple Inc. put Sold out 75,000 $16.7Mbefore exit CSX CSX Corp. call New 500,000 $16.3M TAC Transalta Corp. call Reduce -16.1% 973,100 $10.5M ASHR Xtrackers Harvest Csi 300 CH call Sold out 390,100 $10.4Mbefore exit JD Jd.com Inc.-ADR call Sold out 239,000 $9.8Mbefore exit AL Sumisho Air Lease Corp. call Reduce -14.1% 150,400 $8.8M GXO Gxo Logistics Inc. call Reduce -61.5% 172,000 $8.4M PDD PDD Holdings Inc. put Sold out 65,000 $7.7Mbefore exit AVTR Avantor Inc. call New 550,000 $7.4M ARKK ARK Innovation ETF put New 100,000 $7.0M STX Seagate Technology Holdings call Sold out 80,000 $6.8Mbefore exit NOW ServiceNow Inc. put Sold out 8,000 $6.4Mbefore exit PINS Pinterest Inc. Class A call Reduce -60.9% 175,800 $6.3M GOOG Alphabet Inc. Class C put Sold out 40,000 $6.2Mbefore exit FCX Freeport-McMoran Inc. call Sold out 155,000 $5.9Mbefore exit TMO Thermo Fisher Scientific Inc. call New 12,000 $4.9M TECK Teck Resources Ltd.-CLS B call Sold out 122,300 $4.5Mbefore exit BABA Alibaba Group Holding-SP ADR call New 35,000 $4.0M DHR Danaher Corp. call Reduce -55.6% 20,000 $4.0M TSM Taiwan Semiconductor-SP ADR call Sold out 22,500 $3.7Mbefore exit OPCH Option Care Health Inc. call Add +151.1% 91,400 $3.0M AMTM Amentum Holdings Inc. call Reduce -86.3% 100,000 $2.4M CCOI Cogent Communications Holdin call Sold out 18,200 $1.1Mbefore exit TSEM Tower Semiconductor Ltd. call Reduce -89.2% 7,900 $342K
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.
All Filings Quarter Positions 13F Reported Value Top Holdings Q2 2026 32 $534.0M TAC, VST, GXO, RKT, TMO Q1 2026 23 $427.9M TAC, TMO, AMTM, DHR, RBA Q4 2025 28 $464.2M TAC, AMTM, TMO, DHR, GXO Q3 2025 22 $432.0M TAC, TMO, AMTM, DHR, CRS Q2 2025 23 $348.9M AMTM, TAC, DHR, TMO, AMZN Q1 2025 22 $270.9M AMTM, CRS, TAC, TSEM, OPCH Q4 2024 27 $249.2M AMTM, CRS, AVTR, STX, AMZN Q3 2024 21 $236.9M AMZN, AVTR, STX, CRS, VAL Q2 2024 21 $232.5M TRU, LW, VAL, STX, JBI Q1 2024 20 $216.5M FIS, RIG, TRU, JBI, TECK