Markin Volterra Fund LP

In its 13F for Q2 2026 (holdings as of June 30, 2026, filed July 23, 2026), Markin Volterra Fund LP reported 62 stock positions worth $29.5 million. Its top holding was Sandisk (SNDK) at 6.5% of the portfolio, followed by Micron Technology (MU, 5.6%) and Alphabet Class A (GOOGL, 4.6%). Compared with Q1 2026, it opened 32 new positions, added to 19 and reduced 11. The biggest buy was Alphabet Class A (GOOGL, shares +390%) and the biggest sale Nvidia (NVDA, shares −41%).

Most Recent 13F
Q2 2026
Location
RYE, NY
CIK
0002073603
Portfolio Value
$29.5M (Q2 2026)
SEC Filing
0002073603-26-000005 ↗ filed Jul 23, 2026

Holdings Value

0$10.0M$20.0M$30.0M Q4 2025: $12.6M Q4 2025 Q1 2026: $10.7M Q1 2026 Q2 2026: $29.5M $29.5M Q2 2026

Holdings 62 stocks · $29.5M

SNDK Sandisk Corp. 6.51% 844 $1.9M Reduce -28.8%
MU Micron Technology Inc. 5.62% 1,434 $1.7M Reduce -7.6%
GOOGL Alphabet Inc. Class A 4.61% 3,801 $1.4M Add +389.8%
WDC Western Digital Corp. 3.85% 1,775 $1.1M Reduce -16.2%
MRVL Marvell Technology Inc. 3.06% 3,028 $902K Add +17.1%
LITE Lumentum Holdings Inc. 2.98% 1,023 $878K Add +10.0%
AMD Advanced Micro Devices 2.81% 1,424 $827K Add +11.9%
CRDO Credo Technology Group Holdi 2.78% 3,012 $819K Add +13.3%
LRCX Lam Research Corp. 2.32% 1,580 $685K Reduce -15.9%
ARM Arm Holdings PLC-ADR 2.32% 1,927 $683K Add +32.5%
NVDA Nvidia Corp. 2.26% 3,323 $665K Reduce -40.9%
DELL Dell Technologies -C 2.26% 1,541 $665K New
KLAC KLA Corp. 2.12% 2,070 $625K Reduce -1.9%
VRT Vertiv Holdings Co. Class A 2.06% 1,814 $607K Reduce -35.3%
AMAT Applied Materials Inc. 2.06% 839 $607K Reduce -24.8%
STX Seagate Technology Holdings 2.02% 617 $595K Add +10.0%
COHR Coherent Corp. 1.86% 1,390 $548K Reduce -24.2%
HPE Hewlett Packard Enterprise 1.83% 11,927 $538K New
GLW Corning Inc. 1.68% 1,943 $496K New
AVGO Broadcom Inc. 1.68% 1,310 $495K Add +47.9%
CSCO Cisco Systems Inc. 1.62% 4,055 $476K Add +32.5%
VIAV Viavi Solutions Inc. 1.59% 9,806 $468K Add +28.2%
APH Amphenol Corp. Class A 1.58% 2,633 $464K Add +31.9%
TSM Taiwan Semiconductor-SP ADR 1.54% 949 $453K Add +8.2%
MSFT Microsoft Corp. 1.47% 1,164 $434K New
FLEX Flex Ltd. 1.46% 2,654 $430K New
JBL Jabil Inc. 1.45% 1,105 $426K Add +2.7%
ANET Arista Networks Inc. 1.41% 2,446 $416K New
PLTR Palantir Technologies Inc. Class A 1.39% 3,506 $409K Add +54.7%
NVT Nvent Electric PLC 1.39% 2,409 $409K Add +31.8%
CRWD CrowdStrike Holdings Inc. Class A 1.30% 501 $382K New
SANM Sanmina Corp. 1.28% 1,490 $377K New
INTC Intel Corp. 1.25% 2,647 $370K New
PANW Palo Alto Networks Inc. 1.22% 1,052 $359K New
FIX Comfort Systems USA Inc. 1.12% 167 $331K Reduce -2.9%
EQIX Equinix Inc. 1.11% 314 $327K Add +30.8%
PWR Quanta Services Inc. 1.06% 434 $312K New
GFS Globalfoundries Inc. 1.04% 3,711 $306K New
GEV GE Vernova Inc. 1.04% 260 $305K Add +3.6%
CRWV Coreweave Inc. Class A 1.02% 3,027 $301K New
ETN Eaton Corp. PLC 1.02% 703 $300K New
AMZN Amazon.com Inc. 0.98% 1,214 $289K New
TT Trane Technologies PLC 0.98% 589 $289K New
JCI Johnson Controls Internation 0.92% 1,856 $271K New
DLR Digital Realty Trust Inc. 0.91% 1,494 $268K Add +26.8%
ASML ASML Holding NV-NY Reg SHS filed as ASML HLDG NV 0.90% 133 $265K Reduce -43.2%
KEYS Keysight Technologies Inc. 0.88% 740 $259K New
DOCN Digitalocean Holdings Inc. 0.86% 1,620 $254K New
ORCL Oracle Corp. 0.82% 1,649 $242K Add +17.7%
MKSI MKS Inc. 0.81% 539 $240K New
VST Vistra Corp. 0.81% 1,507 $239K New
TER Teradyne Inc. 0.77% 471 $228K New
STM Stmicroelectronics NV-NY SHS 0.76% 2,994 $224K New
MTZ Mastec Inc. 0.75% 533 $222K New
UCTT Ultra Clean Holdings Inc. 0.71% 1,474 $210K New
AEIS Advanced Energy Industries 0.70% 557 $208K New
SITM Sitime Corp. 0.70% 278 $207K New
EME Emcor Group Inc. 0.69% 245 $203K New
FN Fabrinet 0.69% 360 $202K New
FORM Formfactor Inc. 0.68% 1,256 $201K New
NOK Nokia Corp.-Spon ADR 0.48% 10,738 $143K New
DNN Denison Mines Corp. 0.14% 13,319 $41K New

Options reported separately and not counted above: TLT calls ($54.2M), SMH puts ($40.0M), EWY puts ($8.3M), AVGO calls ($8.1M), EWZ calls ($3.6M), SMH calls ($2.0M), EWY calls ($1.3M).

Portfolio Sells Q1 2026 → Q2 2026

NVDA Nvidia Corp. Reduce -40.9% 2.26% −6.90
VRT Vertiv Holdings Co. Class A Reduce -35.3% 2.06% −4.50
COHR Coherent Corp. Reduce -24.2% 1.86% −2.22
ASML ASML Holding NV-NY Reg SHS Reduce -43.2% 0.90% −1.99
WDC Western Digital Corp. Reduce -16.2% 3.85% −1.50
AMAT Applied Materials Inc. Reduce -24.8% 2.06% −1.50
LRCX Lam Research Corp. Reduce -15.9% 2.32% −1.42
FIX Comfort Systems USA Inc. Reduce -2.9% 1.12% −1.09
KLAC KLA Corp. Reduce -1.9% 2.12% −0.78
SNDK Sandisk Corp. Reduce -28.8% 6.51% −0.52
MU Micron Technology Inc. Reduce -7.6% 5.62% +0.72

Portfolio Buys Q1 2026 → Q2 2026

GOOGL Alphabet Inc. Class A Add +389.8% 4.61% +2.53
DELL Dell Technologies -C New 2.26% +2.26
HPE Hewlett Packard Enterprise New 1.83% +1.83
GLW Corning Inc. New 1.68% +1.68
MSFT Microsoft Corp. New 1.47% +1.47
FLEX Flex Ltd. New 1.46% +1.46
ANET Arista Networks Inc. New 1.41% +1.41
CRWD CrowdStrike Holdings Inc. Class A New 1.30% +1.30
SANM Sanmina Corp. New 1.28% +1.28
INTC Intel Corp. New 1.25% +1.25
PANW Palo Alto Networks Inc. New 1.22% +1.22
PWR Quanta Services Inc. New 1.06% +1.06
GFS Globalfoundries Inc. New 1.04% +1.04
CRWV Coreweave Inc. Class A New 1.02% +1.02
ETN Eaton Corp. PLC New 1.02% +1.02
AMZN Amazon.com Inc. New 0.98% +0.98
TT Trane Technologies PLC New 0.98% +0.98
JCI Johnson Controls Internation New 0.92% +0.92
KEYS Keysight Technologies Inc. New 0.88% +0.88
DOCN Digitalocean Holdings Inc. New 0.86% +0.86
MKSI MKS Inc. New 0.81% +0.81
VST Vistra Corp. New 0.81% +0.81
TER Teradyne Inc. New 0.77% +0.77
STM Stmicroelectronics NV-NY SHS New 0.76% +0.76
MTZ Mastec Inc. New 0.75% +0.75
UCTT Ultra Clean Holdings Inc. New 0.71% +0.71
AEIS Advanced Energy Industries New 0.70% +0.70
SITM Sitime Corp. New 0.70% +0.70
EME Emcor Group Inc. New 0.69% +0.69
FN Fabrinet New 0.69% +0.69
FORM Formfactor Inc. New 0.68% +0.68
MRVL Marvell Technology Inc. Add +17.1% 3.06% +0.67
NOK Nokia Corp.-Spon ADR New 0.48% +0.48
CRDO Credo Technology Group Holdi Add +13.3% 2.78% +0.45
AMD Advanced Micro Devices Add +11.9% 2.81% +0.39
ARM Arm Holdings PLC-ADR Add +32.5% 2.32% +0.27
DNN Denison Mines Corp. New 0.14% +0.14
STX Seagate Technology Holdings Add +10.0% 2.02% −0.03
CSCO Cisco Systems Inc. Add +32.5% 1.62% −0.60
NVT Nvent Electric PLC Add +31.8% 1.39% −0.63
APH Amphenol Corp. Class A Add +31.9% 1.58% −0.78
VIAV Viavi Solutions Inc. Add +28.2% 1.59% −0.79
AVGO Broadcom Inc. Add +47.9% 1.68% −0.88
GEV GE Vernova Inc. Add +3.6% 1.04% −1.01
DLR Digital Realty Trust Inc. Add +26.8% 0.91% −1.07
EQIX Equinix Inc. Add +30.8% 1.11% −1.09
ORCL Oracle Corp. Add +17.7% 0.82% −1.10
JBL Jabil Inc. Add +2.7% 1.45% −1.22
TSM Taiwan Semiconductor-SP ADR Add +8.2% 1.54% −1.23
PLTR Palantir Technologies Inc. Class A Add +54.7% 1.39% −1.71

Options Activity Q1 2026 → Q2 2026

TLT iShares 20+ Year Treasury BD call New 627,200 $54.2M
SMH Vaneck Semiconductor ETF put New 61,000 $40.0M
EEM iShares MSCI Emerging Market call Sold out 412,900 $23.4Mbefore exit
QQQ Invesco QQQ Trust Series 1 put Sold out 20,100 $11.6Mbefore exit
EWY iShares MSCI South Korea ETF put New 40,900 $8.3M
AVGO Broadcom Inc. call New 21,400 $8.1M
EWZ iShares MSCI Brazil ETF call Reduce -72.8% 103,000 $3.6M
SMH Vaneck Semiconductor ETF call New 3,000 $2.0M
EWY iShares MSCI South Korea ETF call Reduce -82.9% 6,500 $1.3M

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 62$29.5MSNDK, MU, GOOGL, WDC, MRVL
Q1 2026 30$10.7MNVDA, SNDK, VRT, LITE, WDC
Q4 2025 36$12.6MNVDA, IBB, PLTR, MU, CRDO