Mainstream Capital Management LLC

In its 13F for Q3 2025 (holdings as of September 30, 2025, filed October 20, 2025), Mainstream Capital Management LLC reported 87 stock positions worth $150.4 million. Its top holding was JPMorgan Ultra-Short Income (JPST) at 14.9% of the portfolio, followed by Apple (AAPL, 6.1%) and Amazon.com (AMZN, 4.7%). Compared with Q2 2025, it opened 6 new positions, sold out of 3, added to 28 and reduced 35. The biggest buy was a new position in Goldman Sachs Ultra Short Bo (GSST) and the biggest sale an exit from Unitedhealth (UNH).

Most Recent 13F
Q2 2026
Location
LOS ANGELES, CA
CIK
0002043084
Portfolio Value
$150.4M (Q3 2025)
SEC Filing
0002043084-25-000006 ↗ filed Oct 20, 2025

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 $150.4M Q3 2025 Q4 2025: $152.8M Q4 2025 Q1 2026: $149.1M Q1 2026 Q2 2026: $166.1M Q2 2026

Holdings 87 stocks · $150.4M
JPST JPMorgan Ultra-Short Income 14.90% 441,798 $22.4M Add +1.8%
AAPL Apple Inc. 6.12% 36,132 $9.2M Reduce -4.3%
AMZN Amazon.com Inc. 4.72% 32,345 $7.1M Add +2.3%
META Meta Platforms Inc. Class A 3.79% 7,766 $5.7M Reduce -0.3%
NVDA Nvidia Corp. 3.46% 27,863 $5.2M Add +2.2%
GOOG Alphabet Inc. Class C 3.33% 20,580 $5.0M Reduce -0.1%
IWF iShares Russell 1000 Growth 3.04% 9,763 $4.6M Reduce -3.4%
IWD iShares Russell 1000 Value E 2.25% 16,594 $3.4M Reduce -3.8%
IVV iShares Core S&P 500 ETF 1.97% 4,438 $3.0M Reduce -1.9%
JPM JPMorgan Chase & Co. 1.85% 8,823 $2.8M Add +4.4%
MSFT Microsoft Corp. 1.84% 5,351 $2.8M Add +1.0%
NFLX Netflix Inc. 1.83% 2,302 $2.8M Add +1.6%
BRK.B Berkshire Hathaway Inc. Class B 1.83% 5,477 $2.8M Add +3.4%
TSLA Tesla Inc. 1.72% 5,803 $2.6M Add +10.5%
GOOGL Alphabet Inc. Class A 1.57% 9,739 $2.4M Reduce -1.1%
LZ Legalzoomcom Inc. 1.55% 225,000 $2.3M No change
GLD SPDR Gold Shares 1.55% 6,538 $2.3M Reduce -6.7%
SPY SS SPDR S&P 500 ETF Trust-US 1.54% 3,481 $2.3M Add +0.3%
COST Costco Wholesale Corp. 1.47% 2,384 $2.2M Add +4.6%
VOT Vngrd Mrngstr MC GRW ETF-Usd 1.23% 6,286 $1.8M Reduce -2.3%
TJX TJX Companies Inc. filed as TJX COS INC NEW 1.22% 12,662 $1.8M Add +1.8%
LLY Eli Lilly & Co. 1.18% 2,318 $1.8M Add +0.9%
GSST Goldman Sachs Ultra Short Bo 1.17% 34,620 $1.8M New
QUAL iShares MSCI USA Quality Fac 1.17% 9,011 $1.8M Reduce -0.3%
VOE Vngrd Mrngstr MD-Cap Val ETF 1.16% 9,957 $1.7M Reduce -2.5%
CRWD CrowdStrike Holdings Inc. Class A 1.14% 3,506 $1.7M Add +10.3%
JEPI JPMorgan Equity Premium Inco 1.11% 29,367 $1.7M Reduce -15.4%
HD Home Depot Inc. 1.11% 4,119 $1.7M Reduce -1.3%
VGT Vanguard Info Tech ETF 1.08% 2,182 $1.6M Reduce -2.1%
SCHW Schwab (charles) Corp. 1.08% 17,005 $1.6M Add +1.7%
PANW Palo Alto Networks Inc. 1.06% 7,844 $1.6M Add +8.2%
CRM Salesforce Inc. 0.99% 6,311 $1.5M Reduce -2.2%
BABA Alibaba Group Holding-SP ADR 0.96% 8,055 $1.4M Add +1.4%
EFV iShares MSCI Eafe Value ETF 0.95% 21,009 $1.4M Reduce -2.1%
ORLY O'reilly Automotive Inc. 0.94% 13,134 $1.4M Add +3.9%
CAVA Cava Group Inc. 0.89% 22,089 $1.3M Add +11.2%
IBKR Interactive Brokers Gro Class A 0.89% 19,381 $1.3M Add +5.5%
WMT Walmart Inc. 0.87% 12,666 $1.3M Add +3.1%
GS Goldman Sachs Group Inc. 0.84% 1,579 $1.3M No change
EFG iShares MSCI Eafe Growth ETF 0.83% 10,952 $1.2M Reduce -1.2%
V Visa Inc. Class A 0.77% 3,391 $1.2M No change
ETN Eaton Corp. PLC 0.77% 3,090 $1.2M New
UBER Uber Technologies Inc. 0.76% 11,694 $1.1M New
CMG Chipotle Mexican Grill Inc. 0.73% 28,054 $1.1M Add +0.7%
BXP BXP Inc. 0.66% 13,356 $993K Reduce -2.3%
AVGO Broadcom Inc. 0.66% 3,001 $990K Reduce -1.0%
IYW iShares Ustechnology ETF 0.64% 4,902 $960K Reduce -2.6%
DOV Dover Corp. 0.59% 5,353 $893K New
IVW iShares S&P 500 Growth ETF 0.59% 7,396 $893K Reduce -3.1%
HNST The Honest Co. Inc. 0.58% 236,061 $869K No change
IEMG iShares Core MSCI Emerging 0.56% 12,701 $837K Reduce -3.2%
CEG Constellation Energy 0.54% 2,466 $811K Add +4.0%
CVX Chevron Corp. 0.53% 5,108 $793K Reduce -4.8%
VOX Vanguard Communication Servi 0.47% 3,800 $713K Reduce -1.8%
T AT&T Inc. 0.47% 24,988 $706K Reduce -9.7%
AS Amer Sports Inc. 0.45% 19,286 $670K Add +14.5%
MA Mastercard Inc. Class A 0.44% 1,165 $663K No change
USMV iShares MSCI USA Min Vol Fac 0.40% 6,258 $595K Reduce -5.2%
VFH Vanguard Financials ETF 0.38% 4,315 $566K Reduce -0.9%
XLK SS Technology Select Sector 0.36% 1,938 $546K Reduce -0.4%
AMD Advanced Micro Devices 0.36% 3,312 $536K Reduce -2.0%
SCHO Schwab Short-Term US Treas 0.34% 20,740 $506K No change
SCUS Schwab Ultra-Short Inc. ETF 0.33% 19,483 $492K No change
VHT Vanguard Health Care ETF 0.31% 1,804 $468K Reduce -10.8%
BA The Boeing Co. 0.28% 1,958 $423K Add +40.4%
AXP American Express Co. 0.28% 1,266 $421K Reduce -0.1%
IJH iShares Core S&P Midcap ETF 0.28% 6,376 $416K Reduce -5.5%
BSV Vanguard Short-Term Bond ETF 0.28% 5,245 $414K No change
ETHA iShares Ethereum Trust ETF 0.27% 13,040 $411K New
MCD McDonald's Corp. 0.27% 1,314 $399K No change
IBIT iShares Bitcoin Trust ETF 0.26% 6,118 $398K Add +39.0%
IFRA iShares US Infrastructure 0.25% 7,123 $376K Reduce -3.9%
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.24% 3,182 $364K Reduce -1.5%
RIOT Riot Platforms Inc. 0.23% 18,532 $353K No change
SDY SS SPDR S&P Dividend ETF 0.23% 2,447 $343K No change
AMAT Applied Materials Inc. 0.22% 1,648 $337K No change
DYNF Ishrs US E F R A ETF-Usd Inc. 0.22% 5,668 $336K Add +0.1%
XLI SS Industrial Select Sector 0.22% 2,131 $329K No change
GBTC Grayscale Bitcoin Trust ETF 0.21% 3,538 $318K Reduce -1.3%
XLP SS Consumer Staples Sel Sect 0.21% 3,977 $312K No change
DRI Darden Restaurants Inc. 0.20% 1,562 $297K No change
NKE Nike Inc. Class B 0.19% 4,117 $287K Add +0.4%
CBRE CBRE Group Inc. Class A 0.18% 1,728 $272K No change
QQQ Invesco QQQ Trust Series 1 0.17% 425 $255K No change
IVE iShares S&P 500 Value ETF 0.15% 1,112 $230K Add +4.2%
PINS Pinterest Inc. Class A 0.15% 7,000 $225K No change
EWY iShares MSCI South Korea ETF 0.15% 2,772 $222K New

Portfolio Sells Q2 2025 → Q3 2025
UNH Unitedhealth Group Inc. Sold out 0.00% −0.73
META Meta Platforms Inc. Class A Reduce -0.3% 3.79% −0.39
BXSL Blackstone Secured Lending F Sold out 0.00% −0.37
JEPI JPMorgan Equity Premium Inco Reduce -15.4% 1.11% −0.32
CRM Salesforce Inc. Reduce -2.2% 0.99% −0.28
IWD iShares Russell 1000 Value E Reduce -3.8% 2.25% −0.19
SCHD Schwab US DVD Equity ETF Sold out 0.00% −0.17
T AT&T Inc. Reduce -9.7% 0.47% −0.11
VOT Vngrd Mrngstr MC GRW ETF-Usd Reduce -2.3% 1.23% −0.10
IWF iShares Russell 1000 Growth Reduce -3.4% 3.04% −0.08
EFG iShares MSCI Eafe Growth ETF Reduce -1.2% 0.83% −0.07
IVV iShares Core S&P 500 ETF Reduce -1.9% 1.97% −0.07
VOE Vngrd Mrngstr MD-Cap Val ETF Reduce -2.5% 1.16% −0.07
USMV iShares MSCI USA Min Vol Fac Reduce -5.2% 0.40% −0.05
VHT Vanguard Health Care ETF Reduce -10.8% 0.31% −0.05
DIS The Walt Disney Co. Reduce -1.5% 0.24% −0.05
EFV iShares MSCI Eafe Value ETF Reduce -2.1% 0.95% −0.04
QUAL iShares MSCI USA Quality Fac Reduce -0.3% 1.17% −0.04
CVX Chevron Corp. Reduce -4.8% 0.53% −0.03
IJH iShares Core S&P Midcap ETF Reduce -5.5% 0.28% −0.03
VFH Vanguard Financials ETF Reduce -0.9% 0.38% −0.03
IVW iShares S&P 500 Growth ETF Reduce -3.1% 0.59% −0.02
IEMG iShares Core MSCI Emerging Reduce -3.2% 0.56% −0.02
IFRA iShares US Infrastructure Reduce -3.9% 0.25% −0.02
AXP American Express Co. Reduce -0.1% 0.28% −0.01
BXP BXP Inc. Reduce -2.3% 0.66% −0.01
GBTC Grayscale Bitcoin Trust ETF Reduce -1.3% 0.21% −0.01
GLD SPDR Gold Shares Reduce -6.7% 1.55% −0.01
VOX Vanguard Communication Servi Reduce -1.8% 0.47% −0.01
HD Home Depot Inc. Reduce -1.3% 1.11% −0.00
IYW iShares Ustechnology ETF Reduce -2.6% 0.64% +0.00
XLK SS Technology Select Sector Reduce -0.4% 0.36% +0.00
AMD Advanced Micro Devices Reduce -2.0% 0.36% +0.01
VGT Vanguard Info Tech ETF Reduce -2.1% 1.08% +0.01
AVGO Broadcom Inc. Reduce -1.0% 0.66% +0.05
GOOGL Alphabet Inc. Class A Reduce -1.1% 1.57% +0.31
AAPL Apple Inc. Reduce -4.3% 6.12% +0.49
GOOG Alphabet Inc. Class C Reduce -0.1% 3.33% +0.68

Portfolio Buys Q2 2025 → Q3 2025
GSST Goldman Sachs Ultra Short Bo New 1.17% +1.17
ETN Eaton Corp. PLC New 0.77% +0.77
UBER Uber Technologies Inc. New 0.76% +0.76
DOV Dover Corp. New 0.59% +0.59
TSLA Tesla Inc. Add +10.5% 1.72% +0.50
NVDA Nvidia Corp. Add +2.2% 3.46% +0.33
BABA Alibaba Group Holding-SP ADR Add +1.4% 0.96% +0.30
ETHA iShares Ethereum Trust ETF New 0.27% +0.27
EWY iShares MSCI South Korea ETF New 0.15% +0.15
IBKR Interactive Brokers Gro Class A Add +5.5% 0.89% +0.15
ORLY O'reilly Automotive Inc. Add +3.9% 0.94% +0.11
TJX TJX Companies Inc. Add +1.8% 1.22% +0.10
IBIT iShares Bitcoin Trust ETF Add +39.0% 0.26% +0.07
BA The Boeing Co. Add +40.4% 0.28% +0.07
JPM JPMorgan Chase & Co. Add +4.4% 1.85% +0.07
IVE iShares S&P 500 Value ETF Add +4.2% 0.15% +0.00
DYNF Ishrs US E F R A ETF-Usd Inc. Add +0.1% 0.22% −0.00
WMT Walmart Inc. Add +3.1% 0.87% −0.01
CEG Constellation Energy Add +4.0% 0.54% −0.02
PANW Palo Alto Networks Inc. Add +8.2% 1.06% −0.02
SPY SS SPDR S&P 500 ETF Trust-US Add +0.3% 1.54% −0.02
NKE Nike Inc. Class B Add +0.4% 0.19% −0.02
AS Amer Sports Inc. Add +14.5% 0.45% −0.03
SCHW Schwab (charles) Corp. Add +1.7% 1.08% −0.03
CRWD CrowdStrike Holdings Inc. Class A Add +10.3% 1.14% −0.03
BRK.B Berkshire Hathaway Inc. Class B Add +3.4% 1.83% −0.04
MSFT Microsoft Corp. Add +1.0% 1.84% −0.07
LLY Eli Lilly & Co. Add +0.9% 1.18% −0.13
COST Costco Wholesale Corp. Add +4.6% 1.47% −0.17
AMZN Amazon.com Inc. Add +2.3% 4.72% −0.32
CAVA Cava Group Inc. Add +11.2% 0.89% −0.33
NFLX Netflix Inc. Add +1.6% 1.83% −0.37
CMG Chipotle Mexican Grill Inc. Add +0.7% 0.73% −0.41
JPST JPMorgan Ultra-Short Income Add +1.8% 14.90% −1.10

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