Arvin Capital Management LP In its 13F for Q4 2025 (holdings as of December 31, 2025, filed February 13, 2026), Arvin Capital Management LP reported 28 stock positions worth $464.2 million . Its top holding was Transalta (TAC) at 10.4% of the portfolio, followed by Amentum (AMTM, 10.2% ) and Thermo Fisher Scientific (TMO, 8.5% ). Compared with Q3 2025, it opened 8 new positions, sold out of 2, added to 8 and reduced 11. The biggest buy was a new position in Bio-Techne (TECH) and the biggest sale Itron (ITRI, shares −59% ).
Location AUSTIN, TX
CIK 0001961738
Portfolio Value $464.2M (Q4 2025) Holdings 28 stocks · $464.2M 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 Q3 2025 TAC Transalta Corp. 3,819,100 $48.3M Add +22.9% AMTM Amentum Holdings Inc. 1,636,492 $47.5M No change TMO Thermo Fisher Scientific Inc. 67,800 $39.3M Reduce -17.8% DHR Danaher Corp. 136,502 $31.2M Reduce -6.4% GXO Gxo Logistics Inc. 507,159 $26.7M Add +15.1% AMZN Amazon.com Inc. 110,898 $25.6M Add +3.2% GEHC GE Healthcare Technology 303,912 $24.9M Reduce -3.3% CRS Carpenter Technology 68,947 $21.7M Reduce -32.2% SNPS Synopsys Inc. 43,830 $20.6M Add +2.6% ACVA Acv Auctions Inc. Class A 2,296,913 $18.4M Add +272.8% TECH Bio-Techne Corp. 299,535 $17.6M New RBA RB Global Inc. 155,996 $16.0M Add +64.0% EFX Equifax Inc. 73,532 $16.0M Add +103.7% OPCH Option Care Health Inc. 488,572 $15.6M Reduce -34.2% CEG Constellation Energy 39,198 $13.8M Add +50.0% AL Sumisho Air Lease Corp. filed as AIR LEASE CORP 151,059 $9.7M Reduce -56.5% Q Qnity Electronics Inc. 115,354 $9.4M New ICLR Icon PLC 50,160 $9.1M Reduce -30.0% IQV Iqvia Holdings Inc. 38,600 $8.7M Reduce -8.3% FND Floor & Decor Holdings Inc. Class A 122,964 $7.5M New CMG Chipotle Mexican Grill Inc. 187,712 $6.9M New ITRI Itron Inc. 70,971 $6.6M Reduce -58.8% NVDA Nvidia Corp. 35,100 $6.5M New TSEM Tower Semiconductor Ltd. 44,135 $5.2M Reduce -74.2% U Unity Software Inc. 108,588 $4.8M Reduce -53.7% ECHO Echostar Corp. Class A 25,800 $2.8M New BE Bloom Energy Corp. Class A 25,200 $2.2M New SRAD Sportradar Group AG-A 59,800 $1.4M New
Options reported separately and not counted above: QQQ puts ($18.4M), DHR calls ($8.5M), FND calls ($6.1M), AMZN calls ($5.8M), TAC calls ($5.1M), TECH calls ($5.0M), AMTM calls ($4.8M), SNPS calls ($4.7M), KBR calls ($4.4M), BABA calls ($3.4M), CCOI calls ($399K), ICLR calls ($383K).
Portfolio Sells Q3 2025 → Q4 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 Q3 2025 % Of Portfolio Change To Portfolio ▲ ITRI Itron Inc. Reduce -58.8% 1.42% −3.55 AL Sumisho Air Lease Corp. Reduce -56.5% 2.09% −3.03 MSFT Microsoft Corp. Sold out 0.00% −2.95 PINS Pinterest Inc. Class A Sold out 0.00% −2.62 TSEM Tower Semiconductor Ltd. Reduce -74.2% 1.12% −1.75 OPCH Option Care Health Inc. Reduce -34.2% 3.35% −1.42 U Unity Software Inc. Reduce -53.7% 1.03% −1.14 CRS Carpenter Technology Reduce -32.2% 4.68% −1.10 ICLR Icon PLC Reduce -30.0% 1.97% −0.93 TMO Thermo Fisher Scientific Inc. Reduce -17.8% 8.46% −0.80 GEHC GE Healthcare Technology Reduce -3.3% 5.37% −0.09 IQV Iqvia Holdings Inc. Reduce -8.3% 1.87% +0.02 DHR Danaher Corp. Reduce -6.4% 6.73% +0.04
Portfolio Buys Q3 2025 → Q4 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 Q3 2025 % Of Portfolio Change To Portfolio ▼ TECH Bio-Techne Corp. New 3.80% +3.80 ACVA Acv Auctions Inc. Class A Add +272.8% 3.97% +2.56 Q Qnity Electronics Inc. New 2.03% +2.03 FND Floor & Decor Holdings Inc. Class A New 1.61% +1.61 CMG Chipotle Mexican Grill Inc. New 1.50% +1.50 NVDA Nvidia Corp. New 1.41% +1.41 EFX Equifax Inc. Add +103.7% 3.44% +1.29 RBA RB Global Inc. Add +64.0% 3.46% +1.07 CEG Constellation Energy Add +50.0% 2.98% +0.99 ECHO Echostar Corp. Class A New 0.60% +0.60 TAC Transalta Corp. Add +22.9% 10.40% +0.57 BE Bloom Energy Corp. Class A New 0.47% +0.47 GXO Gxo Logistics Inc. Add +15.1% 5.75% +0.35 SRAD Sportradar Group AG-A New 0.31% +0.31 AMZN Amazon.com Inc. Add +3.2% 5.51% +0.05 SNPS Synopsys Inc. Add +2.6% 4.44% −0.44
Options Activity Q3 2025 → Q4 2025 Security Type Change vs Q3 2025 Underlying Shares Value ▼ QQQ Invesco QQQ Trust Series 1 put New 30,000 $18.4M HSIC Henry Schein Inc. call Sold out 200,000 $13.3Mbefore exit MSFT Microsoft Corp. call Sold out 21,000 $10.9Mbefore exit CSX CSX Corp. call Sold out 300,000 $10.7Mbefore exit TMO Thermo Fisher Scientific Inc. call Sold out 18,000 $8.7Mbefore exit DHR Danaher Corp. call Reduce -61.9% 37,000 $8.5M FND Floor & Decor Holdings Inc. Class A call New 100,000 $6.1M AMZN Amazon.com Inc. call Reduce -72.2% 25,000 $5.8M TAC Transalta Corp. call Reduce -38.6% 402,200 $5.1M TECH Bio-Techne Corp. call Reduce -62.8% 84,800 $5.0M AMTM Amentum Holdings Inc. call New 164,500 $4.8M SNPS Synopsys Inc. call New 10,000 $4.7M GEHC GE Healthcare Technology call Sold out 50,000 $3.8Mbefore exit BABA Alibaba Group Holding-SP ADR call New 23,000 $3.4M PZZA Papa John's Intl Inc. call Sold out 65,800 $3.2Mbefore exit OPCH Option Care Health Inc. call Sold out 100,000 $2.8Mbefore exit IQV Iqvia Holdings Inc. call Sold out 2,800 $532Kbefore exit CCOI Cogent Communications Holdin call Reduce -69.2% 18,500 $399K ICLR Icon PLC call New 2,100 $383K
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