Mainstream Capital Management LLC

In its 13F for Q2 2026 (holdings as of June 30, 2026, filed July 15, 2026), Mainstream Capital Management LLC reported 90 stock positions worth $166.1 million. Its top holding was JPMorgan Ultra-Short Income (JPST) at 12.2% of the portfolio, followed by Apple (AAPL, 5.9%) and Goldman Sachs Ultra Short Bo (GSST, 5.7%). Compared with Q1 2026, it opened 4 new positions, sold out of 2, added to 19 and reduced 50. The biggest buy was a new position in Intl Business Machines (IBM) and the biggest sale JPMorgan Ultra-Short Income (JPST, shares −2%).

Most Recent 13F
Q2 2026
Location
LOS ANGELES, CA
CIK
0002043084
Portfolio Value
$166.1M (Q2 2026)
SEC Filing
0002043084-26-000003 ↗ filed Jul 15, 2026

Holdings Value

0$50.0M$100.0M$150.0M$200.0M Q3 2024: $117.6M Q3 2024 Q4 2024: $142.6M Q4 2024 Q1 2025: $126.2M Q1 2025 Q2 2025: $137.5M Q2 2025 Q3 2025: $150.4M Q3 2025 Q4 2025: $152.8M Q4 2025 Q1 2026: $149.1M Q1 2026 Q2 2026: $166.1M $166.1M Q2 2026

Holdings 90 stocks · $166.1M
JPST JPMorgan Ultra-Short Income 12.25% 402,230 $20.3M Reduce -2.5%
AAPL Apple Inc. 5.94% 34,109 $9.9M Reduce -4.1%
GSST Goldman Sachs Ultra Short Bo 5.71% 187,377 $9.5M Add +6.4%
AMZN Amazon.com Inc. 4.44% 30,969 $7.4M Reduce -0.6%
GOOG Alphabet Inc. Class C 4.30% 20,215 $7.1M Reduce -0.1%
NVDA Nvidia Corp. 3.33% 27,621 $5.5M Reduce -0.4%
IWF iShares Russell 1000 Growth 2.56% 34,265 $4.3M Reduce -1.4%
META Meta Platforms Inc. Class A 2.55% 7,503 $4.2M Reduce -0.8%
GLW Corning Inc. 2.20% 14,289 $3.6M Add +0.8%
IWD iShares Russell 1000 Value E 2.13% 14,598 $3.5M Reduce -1.7%
IVV iShares Core S&P 500 ETF 1.96% 4,340 $3.3M Reduce -1.9%
GOOGL Alphabet Inc. Class A 1.90% 8,840 $3.2M Reduce -2.4%
JPM JPMorgan Chase & Co. 1.72% 8,738 $2.9M Reduce -0.2%
BRK.B Berkshire Hathaway Inc. Class B 1.63% 5,400 $2.7M Add +0.1%
LLY Eli Lilly & Co. 1.63% 2,250 $2.7M Reduce -1.8%
CRWD CrowdStrike Holdings Inc. Class A 1.59% 3,458 $2.6M Reduce -0.3%
PANW Palo Alto Networks Inc. 1.58% 7,713 $2.6M Reduce -0.4%
SPY SS SPDR S&P 500 ETF Trust-US 1.56% 3,473 $2.6M No change
TSLA Tesla Inc. 1.52% 5,985 $2.5M Reduce -0.1%
AMD Advanced Micro Devices 1.41% 4,030 $2.3M Add +27.1%
COST Costco Wholesale Corp. 1.31% 2,323 $2.2M Reduce -0.2%
GLD SPDR Gold Shares 1.24% 5,585 $2.1M Reduce -9.7%
MSFT Microsoft Corp. 1.21% 5,398 $2.0M Add +0.1%
VGT Vanguard Info Tech ETF 1.16% 16,107 $1.9M Reduce -0.1%
GS Goldman Sachs Group Inc. 1.15% 1,890 $1.9M Reduce -0.4%
IBKR Interactive Brokers Gro Class A 1.15% 21,923 $1.9M Add +0.5%
GEV GE Vernova Inc. 1.15% 1,619 $1.9M Add +16.1%
TJX TJX Companies Inc. filed as TJX COS INC NEW 1.13% 12,340 $1.9M Add +0.3%
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 1.12% 6,637 $1.9M New
QUAL iShares MSCI USA Quality Fac 1.09% 8,215 $1.8M Reduce -0.3%
VOE Vngrd Mrngstr MD-Cap Val ETF 1.07% 9,032 $1.8M Reduce -0.1%
VOT Vngrd Mrngstr MC GRW ETF-Usd 1.06% 5,764 $1.8M Reduce -0.3%
CAVA Cava Group Inc. 1.01% 21,381 $1.7M Add +0.3%
NFLX Netflix Inc. 0.99% 23,031 $1.6M Add +0.1%
TOST Toast Inc. Class A 0.95% 56,794 $1.6M Reduce -1.1%
SCHW Schwab (charles) Corp. 0.89% 16,030 $1.5M Reduce -4.0%
ETN Eaton Corp. PLC 0.89% 3,459 $1.5M Add +0.8%
WMT Walmart Inc. 0.88% 12,939 $1.5M Reduce -1.5%
EFV iShares MSCI Eafe Value ETF 0.85% 18,547 $1.4M Reduce -0.1%
DOV Dover Corp. 0.77% 5,688 $1.3M Add +1.0%
LZ Legalzoomcom Inc. 0.74% 200,000 $1.2M Reduce -11.1%
EFG iShares MSCI Eafe Growth ETF 0.74% 9,832 $1.2M Reduce -0.1%
ORLY O'reilly Automotive Inc. 0.70% 12,556 $1.2M Reduce -0.6%
IYW iShares Ustechnology ETF 0.69% 4,515 $1.1M Reduce -0.5%
V Visa Inc. Class A 0.66% 3,210 $1.1M Reduce -3.6%
AVGO Broadcom Inc. 0.64% 2,827 $1.1M Reduce -1.0%
AMAT Applied Materials Inc. 0.64% 1,468 $1.1M No change
IEMG iShares Core MSCI Emerging 0.59% 11,743 $973K Reduce -0.1%
IVW iShares S&P 500 Growth ETF 0.57% 6,871 $945K Reduce -0.1%
CVX Chevron Corp. 0.51% 5,108 $847K No change
BABA Alibaba Group Holding-SP ADR 0.50% 8,625 $828K Add +0.3%
UBER Uber Technologies Inc. 0.48% 11,049 $797K Reduce -0.7%
AS Amer Sports Inc. 0.47% 23,265 $787K Add +0.6%
CEG Constellation Energy 0.47% 3,131 $778K Reduce -1.8%
XLK SS Technology Select Sector 0.44% 3,876 $738K No change
HD Home Depot Inc. 0.44% 2,061 $727K Reduce -41.0%
JEPI JPMorgan Equity Premium Inco 0.37% 10,973 $620K Reduce -41.8%
CMG Chipotle Mexican Grill Inc. 0.37% 18,133 $617K Reduce -34.0%
VOX Vanguard Communication Servi 0.37% 3,304 $608K No change
USMV iShares MSCI USA Min Vol Fac 0.33% 5,624 $542K Reduce -0.0%
VFH Vanguard Financials ETF 0.32% 4,045 $532K No change
MA Mastercard Inc. Class A 0.32% 1,022 $525K Reduce -12.3%
EWY iShares MSCI South Korea ETF 0.29% 2,378 $480K No change
VHT Vanguard Health Care ETF 0.29% 1,596 $477K No change
RIOT Riot Platforms Inc. 0.27% 16,666 $456K No change
SCHO Schwab Short-Term US Treas 0.27% 18,337 $443K Reduce -1.3%
IJH iShares Core S&P Midcap ETF 0.26% 5,668 $437K Reduce -2.0%
AXP American Express Co. 0.26% 1,259 $426K No change
BA The Boeing Co. 0.25% 1,939 $420K Add +1.1%
BSV Vanguard Short-Term Bond ETF 0.25% 5,298 $413K No change
IFRA iShares US Infrastructure 0.24% 6,307 $398K Reduce -2.0%
DYNF Ishrs US E F R A ETF-Usd Inc. 0.24% 5,768 $392K Add +0.3%
XLI SS Industrial Select Sector 0.24% 2,114 $392K Reduce -0.8%
SCUS Schwab Ultra-Short Inc. ETF 0.22% 14,441 $364K Reduce -25.9%
SDY SS SPDR S&P Dividend ETF 0.22% 2,371 $361K Reduce -2.0%
ATI Ati Inc. 0.20% 1,700 $335K No change
MCD McDonald's Corp. 0.19% 1,188 $321K No change
SBUX Starbucks Corp. 0.19% 3,119 $319K Reduce -0.1%
IBIT iShares Bitcoin Trust ETF 0.19% 9,494 $316K Add +14.6%
QQQ Invesco QQQ Trust Series 1 0.19% 423 $311K No change
DRI Darden Restaurants Inc. 0.19% 1,507 $310K No change
EMXC iShares MSCI Emr MRK Ex Chna 0.16% 2,611 $267K No change
XLP SS Consumer Staples Sel Sect 0.16% 3,213 $267K Reduce -16.6%
CSCO Cisco Systems Inc. 0.16% 2,237 $263K New
IVE iShares S&P 500 Value ETF 0.16% 1,149 $261K Add +0.5%
PLTR Palantir Technologies Inc. Class A 0.14% 1,926 $225K Add +2.5%
SCHD Schwab US DVD Equity ETF 0.13% 6,649 $211K No change
FNDX Schwab Fndmntl US LRG Co. ETF 0.12% 6,662 $207K New
IBB iShares Biotechnology ETF 0.12% 1,076 $205K New
ETHA iShares Ethereum Trust ETF 0.09% 12,849 $153K Reduce -0.3%

Portfolio Sells Q1 2026 → Q2 2026
JPST JPMorgan Ultra-Short Income Reduce -2.5% 12.25% −1.75
GLD SPDR Gold Shares Reduce -9.7% 1.24% −0.55
HNST The Honest Co. Inc. Sold out 0.00% −0.47
META Meta Platforms Inc. Class A Reduce -0.8% 2.55% −0.36
JEPI JPMorgan Equity Premium Inco Reduce -41.8% 0.37% −0.34
HD Home Depot Inc. Reduce -41.0% 0.44% −0.33
COST Costco Wholesale Corp. Reduce -0.2% 1.31% −0.25
CMG Chipotle Mexican Grill Inc. Reduce -34.0% 0.37% −0.22
WMT Walmart Inc. Reduce -1.5% 0.88% −0.21
SCHW Schwab (charles) Corp. Reduce -4.0% 0.89% −0.16
DIS The Walt Disney Co. Sold out 0.00% −0.15
CEG Constellation Energy Reduce -1.8% 0.47% −0.13
LZ Legalzoomcom Inc. Reduce -11.1% 0.74% −0.12
SCUS Schwab Ultra-Short Inc. ETF Reduce -25.9% 0.22% −0.11
AAPL Apple Inc. Reduce -4.1% 5.94% −0.11
ORLY O'reilly Automotive Inc. Reduce -0.6% 0.70% −0.09
MA Mastercard Inc. Class A Reduce -12.3% 0.32% −0.07
EFV iShares MSCI Eafe Value ETF Reduce -0.1% 0.85% −0.07
TOST Toast Inc. Class A Reduce -1.1% 0.95% −0.07
UBER Uber Technologies Inc. Reduce -0.7% 0.48% −0.06
XLP SS Consumer Staples Sel Sect Reduce -16.6% 0.16% −0.05
ETHA iShares Ethereum Trust ETF Reduce -0.3% 0.09% −0.04
VOE Vngrd Mrngstr MD-Cap Val ETF Reduce -0.1% 1.07% −0.04
SCHO Schwab Short-Term US Treas Reduce -1.3% 0.27% −0.04
USMV iShares MSCI USA Min Vol Fac Reduce -0.0% 0.33% −0.02
SDY SS SPDR S&P Dividend ETF Reduce -2.0% 0.22% −0.02
V Visa Inc. Class A Reduce -3.6% 0.66% −0.01
IFRA iShares US Infrastructure Reduce -2.0% 0.24% −0.01
JPM JPMorgan Chase & Co. Reduce -0.2% 1.72% −0.01
IJH iShares Core S&P Midcap ETF Reduce -2.0% 0.26% +0.00
EFG iShares MSCI Eafe Growth ETF Reduce -0.1% 0.74% +0.00
IWD iShares Russell 1000 Value E Reduce -1.7% 2.13% +0.00
SBUX Starbucks Corp. Reduce -0.1% 0.19% +0.00
XLI SS Industrial Select Sector Reduce -0.8% 0.24% +0.00
IVV iShares Core S&P 500 ETF Reduce -1.9% 1.96% +0.02
TSLA Tesla Inc. Reduce -0.1% 1.52% +0.02
QUAL iShares MSCI USA Quality Fac Reduce -0.3% 1.09% +0.03
IEMG iShares Core MSCI Emerging Reduce -0.1% 0.59% +0.04
IVW iShares S&P 500 Growth ETF Reduce -0.1% 0.57% +0.05
AVGO Broadcom Inc. Reduce -1.0% 0.64% +0.05
VOT Vngrd Mrngstr MC GRW ETF-Usd Reduce -0.3% 1.06% +0.07
GS Goldman Sachs Group Inc. Reduce -0.4% 1.15% +0.07
IWF iShares Russell 1000 Growth Reduce -1.4% 2.56% +0.08
NVDA Nvidia Corp. Reduce -0.4% 3.33% +0.08
AMZN Amazon.com Inc. Reduce -0.6% 4.44% +0.09
IYW iShares Ustechnology ETF Reduce -0.5% 0.69% +0.13
GOOGL Alphabet Inc. Class A Reduce -2.4% 1.90% +0.15
LLY Eli Lilly & Co. Reduce -1.8% 1.63% +0.21
VGT Vanguard Info Tech ETF Reduce -0.1% 1.16% +0.22
GOOG Alphabet Inc. Class C Reduce -0.1% 4.30% +0.41

Portfolio Buys Q1 2026 → Q2 2026
IBM Intl Business Machines Corp. New 1.12% +1.12
AMD Advanced Micro Devices Add +27.1% 1.41% +0.98
GLW Corning Inc. Add +0.8% 2.20% +0.90
GEV GE Vernova Inc. Add +16.1% 1.15% +0.33
IBKR Interactive Brokers Gro Class A Add +0.5% 1.15% +0.17
CSCO Cisco Systems Inc. New 0.16% +0.16
FNDX Schwab Fndmntl US LRG Co. ETF New 0.12% +0.12
IBB iShares Biotechnology ETF New 0.12% +0.12
ETN Eaton Corp. PLC Add +0.8% 0.89% +0.06
DYNF Ishrs US E F R A ETF-Usd Inc. Add +0.3% 0.24% +0.01
BA The Boeing Co. Add +1.1% 0.25% −0.00
IVE iShares S&P 500 Value ETF Add +0.5% 0.16% −0.00
DOV Dover Corp. Add +1.0% 0.77% −0.02
IBIT iShares Bitcoin Trust ETF Add +14.6% 0.19% −0.02
AS Amer Sports Inc. Add +0.6% 0.47% −0.04
PLTR Palantir Technologies Inc. Class A Add +2.5% 0.14% −0.05
BRK.B Berkshire Hathaway Inc. Class B Add +0.1% 1.63% −0.11
MSFT Microsoft Corp. Add +0.1% 1.21% −0.13
CAVA Cava Group Inc. Add +0.3% 1.01% −0.15
TJX TJX Companies Inc. Add +0.3% 1.13% −0.19
BABA Alibaba Group Holding-SP ADR Add +0.3% 0.50% −0.23
GSST Goldman Sachs Ultra Short Bo Add +6.4% 5.71% −0.26
NFLX Netflix Inc. Add +0.1% 0.99% −0.49

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 90$166.1MJPST, AAPL, GSST, AMZN, GOOG
Q1 2026 88$149.1MJPST, AAPL, GSST, AMZN, GOOG
Q4 2025 88$152.8MJPST, AAPL, AMZN, GSST, GOOG
Q3 2025 87$150.4MJPST, AAPL, AMZN, META, NVDA
Q2 2025 84$137.5MJPST, AAPL, AMZN, META, NVDA
Q1 2025 86$126.2MJPST, AAPL, AMZN, META, IWF
Q4 2024 322$142.6MJPST, AAPL, AMZN, META, IWF
Q3 2024 84$117.6MJPST, AAPL, AMZN, META, IWF