Arvin Capital Management LP In its 13F for Q1 2025 (holdings as of March 31, 2025, filed May 13, 2025), Arvin Capital Management LP reported 22 stock positions worth $270.9 million . Its top holding was Amentum (AMTM) at 11.3% of the portfolio, followed by Carpenter Technology (CRS, 8.5% ) and Transalta (TAC, 8.4% ). Compared with Q4 2024, it opened 9 new positions, sold out of 14, added to 10 and reduced 3. The biggest buy was a new position in Transalta (TAC) and the biggest sale an exit from Avantor (AVTR).
Location AUSTIN, TX
CIK 0001961738
Portfolio Value $270.9M (Q1 2025) Holdings 22 stocks · $270.9M 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 Q4 2024 AMTM Amentum Holdings Inc. 1,687,149 $30.7M Add +74.8% CRS Carpenter Technology 127,729 $23.1M Add +23.2% TAC Transalta Corp. 2,427,764 $22.7M New TSEM Tower Semiconductor Ltd. 614,810 $21.9M Add +181.7% OPCH Option Care Health Inc. 506,655 $17.7M New RBA RB Global Inc. 173,092 $17.4M Add +256.3% JD Jd.com Inc.-ADR 416,858 $17.1M Add +9.2% DHR Danaher Corp. 62,681 $12.8M Add +49.2% ADBE Adobe Inc. 31,915 $12.2M Add +53.2% STX Seagate Technology Holdings 140,634 $11.9M Reduce -24.0% EPAM Epam Systems Inc. 69,989 $11.8M Add +12.6% XPO Xpo Inc. 105,849 $11.4M Add +24.8% PRMB Primo Brands Corp. 307,702 $10.9M New BABA Alibaba Group Holding-SP ADR 81,504 $10.8M New IP International Paper Co. 192,385 $10.3M New AMZN Amazon.com Inc. 45,779 $8.7M Reduce -35.4% AL Sumisho Air Lease Corp. filed as AIR LEASE CORP 136,010 $6.6M New META Meta Platforms Inc. Class A 10,954 $6.3M Add +55.1% SNDK Sandisk Corp. 53,226 $2.5M New BORR Borr Drilling Ltd. 1,022,076 $2.2M New WULF Terawulf Inc. 481,853 $1.3M Reduce -18.9% NEW ORIENTAL ED & TECHNOLOGY 6,600 $316K New
Options reported separately and not counted above: DHR calls ($19.2M), META calls ($18.4M), GXO calls ($17.4M), VST calls ($17.4M), AMZN calls ($17.1M), AAPL puts ($16.7M), PINS calls ($13.9M), AMTM calls ($13.3M), TAC calls ($10.8M), ASHR calls ($10.4M), JD calls ($9.8M), VAL calls ($9.8M), and 11 more.
Other holdings (1): bonds, preferreds, convertibles and warrants · $1.0M (not counted above) Total filed on the 13F, all lines: $271.9M.
Portfolio Sells Q4 2024 → Q1 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 Q4 2024 % Of Portfolio Change To Portfolio ▲ AVTR Avantor Inc. Sold out 0.00% −6.91 TME Tencent Music Entertainm-ADR Sold out 0.00% −4.11 GXO Gxo Logistics Inc. Sold out 0.00% −3.81 GPGI Gpgi Inc. Sold out 0.00% −3.60 CCOI Cogent Communications Holdin Sold out 0.00% −3.52 AMZN Amazon.com Inc. Reduce -35.4% 3.22% −3.03 V Visa Inc. Class A Sold out 0.00% −2.87 VAL Valaris Ltd. Sold out 0.00% −2.80 DAVA Endava PLC- Spon ADR Sold out 0.00% −2.39 LW Lamb Weston Holdings Inc. Sold out 0.00% −2.28 MU Micron Technology Inc. Sold out 0.00% −2.19 STX Seagate Technology Holdings Reduce -24.0% 4.41% −2.00 RTO Rentokil Initial PLC-SP ADR Sold out 0.00% −1.76 MSFT Microsoft Corp. Sold out 0.00% −1.68 SDRL Seadrill Limited Sold out 0.00% −1.18 WULF Terawulf Inc. Reduce -18.9% 0.49% −0.86 ACVA Acv Auctions Inc. Class A Sold out 0.00% −0.56
Portfolio Buys Q4 2024 → Q1 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 Q4 2024 % Of Portfolio Change To Portfolio ▼ TAC Transalta Corp. New 8.38% +8.38 OPCH Option Care Health Inc. New 6.54% +6.54 RBA RB Global Inc. Add +256.3% 6.41% +4.65 PRMB Primo Brands Corp. New 4.03% +4.03 BABA Alibaba Group Holding-SP ADR New 3.98% +3.98 IP International Paper Co. New 3.79% +3.79 TSEM Tower Semiconductor Ltd. Add +181.7% 8.09% +3.58 AMTM Amentum Holdings Inc. Add +74.8% 11.34% +3.19 AL Sumisho Air Lease Corp. New 2.43% +2.43 CRS Carpenter Technology Add +23.2% 8.54% +1.48 JD Jd.com Inc.-ADR Add +9.2% 6.33% +1.02 SNDK Sandisk Corp. New 0.94% +0.94 DHR Danaher Corp. Add +49.2% 4.74% +0.87 BORR Borr Drilling Ltd. New 0.83% +0.83 ADBE Adobe Inc. Add +53.2% 4.52% +0.80 META Meta Platforms Inc. Class A Add +55.1% 2.33% +0.67 NEW ORIENTAL ED & TECHNOLOGY New 0.12% +0.12 XPO Xpo Inc. Add +24.8% 4.20% −0.26 EPAM Epam Systems Inc. Add +12.6% 4.36% −1.47
Options Activity Q4 2024 → Q1 2025 Security Type Change vs Q4 2024 Underlying Shares Value ▼ DHR Danaher Corp. call New 45,000 $19.2M META Meta Platforms Inc. Class A call New 32,000 $18.4M GXO Gxo Logistics Inc. call New 446,400 $17.4M VST Vistra Corp. call New 148,500 $17.4M AMZN Amazon.com Inc. call Reduce -10.0% 90,000 $17.1M AAPL Apple Inc. put New 75,000 $16.7M PINS Pinterest Inc. Class A call New 450,000 $13.9M ADBE Adobe Inc. call Sold out 30,000 $13.3Mbefore exit AMTM Amentum Holdings Inc. call Add +265.7% 731,400 $13.3M TAC Transalta Corp. call New 1,159,800 $10.8M ASHR Xtrackers Harvest Csi 300 CH call New 390,100 $10.4M JD Jd.com Inc.-ADR call Add +58.1% 239,000 $9.8M VAL Valaris Ltd. call Add +62.8% 250,000 $9.8M LW Lamb Weston Holdings Inc. call Sold out 146,400 $9.8Mbefore exit EFA iShares MSCI Eafe ETF put Sold out 115,000 $8.7Mbefore exit BABA Alibaba Group Holding-SP ADR call Sold out 100,000 $8.5Mbefore exit AL Sumisho Air Lease Corp. call New 175,000 $8.5M WDC Western Digital Corp. call Sold out 135,000 $8.1Mbefore exit PDD PDD Holdings Inc. put New 65,000 $7.7M STX Seagate Technology Holdings call Add +6.7% 80,000 $6.8M NOW ServiceNow Inc. put New 8,000 $6.4M AVTR Avantor Inc. call Sold out 300,000 $6.3Mbefore exit GOOG Alphabet Inc. Class C put New 40,000 $6.2M FCX Freeport-McMoran Inc. call New 155,000 $5.9M TECK Teck Resources Ltd.-CLS B call New 122,300 $4.5M NVDA Nvidia Corp. put Sold out 30,000 $4.0Mbefore exit TSM Taiwan Semiconductor-SP ADR call New 22,500 $3.7M ARKK ARK Innovation ETF put Sold out 60,000 $3.4Mbefore exit TSEM Tower Semiconductor Ltd. call New 73,100 $2.6M OPCH Option Care Health Inc. call New 36,400 $1.3M CCOI Cogent Communications Holdin call New 18,200 $1.1M GPGI Gpgi Inc. call Sold out 60,300 $924Kbefore exit
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.
Notes & Other Activity Q4 2024 → Q1 2025 Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages 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