In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 15, 2026), Markin Volterra Fund LP reported 30 stock positions worth $10.7 million . Its top holding was Nvidia (NVDA) at 9.2% of the portfolio, followed by Sandisk (SNDK, 7.0% ) and Vertiv Class A (VRT, 6.6% ). Compared with Q4 2025, it opened 6 new positions, sold out of 12, added to 4 and reduced 20. The biggest buy was Sandisk (SNDK, shares +17% ) and the biggest sale an exit from iShares Biotechnology ETF (IBB).
Location RYE, NY
CIK 0002073603
Portfolio Value $10.7M (Q1 2026) Holdings 30 stocks · $10.7M Holdings quarter Q2 2026 Q1 2026 Q4 2025
Stock % Of Portfolio ▼ Shares Held Total Value Change vs Q4 2025 NVDA Nvidia Corp. 9.15% 5,623 $981K Add +1.9% SNDK Sandisk Corp. 7.03% 1,186 $754K Add +17.2% VRT Vertiv Holdings Co. Class A 6.56% 2,805 $703K Add +15.5% LITE Lumentum Holdings Inc. 6.10% 930 $654K Reduce -28.2% WDC Western Digital Corp. 5.35% 2,118 $573K Reduce -13.2% MU Micron Technology Inc. 4.89% 1,552 $524K Reduce -13.6% COHR Coherent Corp. 4.08% 1,834 $437K Reduce -3.4% LRCX Lam Research Corp. 3.75% 1,878 $401K Reduce -14.2% AMAT Applied Materials Inc. 3.56% 1,115 $381K Reduce -11.8% PLTR Palantir Technologies Inc. Class A 3.09% 2,266 $331K Reduce -29.1% KLAC KLA Corp. 2.90% 211 $311K Reduce -12.1% ASML ASML Holding NV-NY Reg SHS filed as ASML HLDG NV 2.89% 234 $309K Reduce -11.7% TSM Taiwan Semiconductor-SP ADR 2.77% 877 $296K Reduce -12.7% JBL Jabil Inc. 2.67% 1,076 $286K Reduce -12.8% AVGO Broadcom Inc. 2.56% 886 $274K Reduce -16.7% AMD Advanced Micro Devices 2.42% 1,272 $259K Reduce -7.4% MRVL Marvell Technology Inc. 2.39% 2,586 $256K Reduce -10.6% VIAV Viavi Solutions Inc. 2.38% 7,647 $254K Reduce -27.1% APH Amphenol Corp. Class A 2.35% 1,996 $252K Reduce -10.7% CRDO Credo Technology Group Holdi 2.33% 2,659 $250K Reduce -22.3% CSCO Cisco Systems Inc. 2.22% 3,061 $238K Reduce -7.5% FIX Comfort Systems USA Inc. 2.21% 172 $237K New EQIX Equinix Inc. 2.20% 240 $235K New GOOGL Alphabet Inc. Class A 2.08% 776 $223K Reduce -30.0% ARM Arm Holdings PLC-ADR 2.05% 1,454 $220K New STX Seagate Technology Holdings 2.05% 561 $220K New GEV GE Vernova Inc. 2.05% 251 $219K Reduce -29.7% NVT Nvent Electric PLC 2.02% 1,828 $216K New DLR Digital Realty Trust Inc. 1.98% 1,178 $212K New ORCL Oracle Corp. 1.92% 1,401 $206K Add +16.9%
Options reported separately and not counted above: EEM calls ($23.4M), EWZ calls ($14.5M), QQQ puts ($11.6M), EWY calls ($4.7M).
Portfolio Sells Q4 2025 → Q1 2026 Portfolio Sells quarter Q2 2026 Q1 2026 Q4 2025
Stock Change vs Q4 2025 % Of Portfolio Change To Portfolio ▲ IBB iShares Biotechnology ETF Sold out 0.00% −8.06 CEG Constellation Energy Sold out 0.00% −2.71 XBI SS SPDR S&P Biotech ETF Sold out 0.00% −2.69 MSFT Microsoft Corp. Sold out 0.00% −2.30 VST Vistra Corp. Sold out 0.00% −2.23 NRG NRG Energy Inc. Sold out 0.00% −2.02 CRWD CrowdStrike Holdings Inc. Class A Sold out 0.00% −1.87 SANM Sanmina Corp. Sold out 0.00% −1.77 ANET Arista Networks Inc. Sold out 0.00% −1.73 AMZN Amazon.com Inc. Sold out 0.00% −1.65 HPE Hewlett Packard Enterprise Sold out 0.00% −1.64 ETR Entergy Corp. Sold out 0.00% −1.61 CRDO Credo Technology Group Holdi Reduce -22.3% 2.33% −1.56 PLTR Palantir Technologies Inc. Class A Reduce -29.1% 3.09% −1.40 GOOGL Alphabet Inc. Class A Reduce -30.0% 2.08% −0.66 AVGO Broadcom Inc. Reduce -16.7% 2.56% −0.35 APH Amphenol Corp. Class A Reduce -10.7% 2.35% −0.04 AMD Advanced Micro Devices Reduce -7.4% 2.42% +0.09 CSCO Cisco Systems Inc. Reduce -7.5% 2.22% +0.20 GEV GE Vernova Inc. Reduce -29.7% 2.05% +0.20 TSM Taiwan Semiconductor-SP ADR Reduce -12.7% 2.77% +0.35 JBL Jabil Inc. Reduce -12.8% 2.67% +0.44 MRVL Marvell Technology Inc. Reduce -10.6% 2.39% +0.45 KLAC KLA Corp. Reduce -12.1% 2.90% +0.59 ASML ASML Holding NV-NY Reg SHS Reduce -11.7% 2.89% +0.64 LRCX Lam Research Corp. Reduce -14.2% 3.75% +0.78 MU Micron Technology Inc. Reduce -13.6% 4.89% +0.84 VIAV Viavi Solutions Inc. Reduce -27.1% 2.38% +0.90 AMAT Applied Materials Inc. Reduce -11.8% 3.56% +0.99 COHR Coherent Corp. Reduce -3.4% 4.08% +1.31 WDC Western Digital Corp. Reduce -13.2% 5.35% +2.02 LITE Lumentum Holdings Inc. Reduce -28.2% 6.10% +2.32
Portfolio Buys Q4 2025 → Q1 2026 Portfolio Buys quarter Q2 2026 Q1 2026 Q4 2025
Stock Change vs Q4 2025 % Of Portfolio Change To Portfolio ▼ SNDK Sandisk Corp. Add +17.2% 7.03% +5.13 VRT Vertiv Holdings Co. Class A Add +15.5% 6.56% +3.45 FIX Comfort Systems USA Inc. New 2.21% +2.21 EQIX Equinix Inc. New 2.20% +2.20 ARM Arm Holdings PLC-ADR New 2.05% +2.05 STX Seagate Technology Holdings New 2.05% +2.05 NVT Nvent Electric PLC New 2.02% +2.02 DLR Digital Realty Trust Inc. New 1.98% +1.98 NVDA Nvidia Corp. Add +1.9% 9.15% +1.01 ORCL Oracle Corp. Add +16.9% 1.92% +0.07
Options Activity Q4 2025 → Q1 2026 Security Type Change vs Q4 2025 Underlying Shares Value ▼ EEM iShares MSCI Emerging Market call New 412,900 $23.4M INVESCO QQQ TR put Sold out 31,700 $19.5Mbefore exit SELECT SECTOR SPDR TR put Sold out 131,800 $19.0Mbefore exit EWZ iShares MSCI Brazil ETF call New 378,600 $14.5M QQQ Invesco QQQ Trust Series 1 put New 20,100 $11.6M EWY iShares MSCI South Korea ETF call New 38,000 $4.7M QUANTUM COMPUTING INC put Sold out 121,000 $1.2Mbefore exit IONQ INC put Sold out 24,600 $1.1Mbefore exit D-WAVE QUANTUM INC put Sold out 32,800 $858Kbefore exit RIGETTI COMPUTING INC put Sold out 29,800 $660Kbefore exit
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 62 $29.5M SNDK, MU, GOOGL, WDC, MRVL Q1 2026 30 $10.7M NVDA, SNDK, VRT, LITE, WDC Q4 2025 36 $12.6M NVDA, IBB, PLTR, MU, CRDO