Mainstream Capital Management LLC

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed April 17, 2026), Mainstream Capital Management LLC reported 88 stock positions worth $149.1 million. Its top holding was JPMorgan Ultra-Short Income (JPST) at 14.0% of the portfolio, followed by Apple (AAPL, 6.1%) and Goldman Sachs Ultra Short Bo (GSST, 6.0%). Compared with Q4 2025, it opened 5 new positions, sold out of 5, added to 31 and reduced 34. The biggest buy was Goldman Sachs Ultra Short Bo (GSST, shares +40%) and the biggest sale an exit from Salesforce (CRM).

Most Recent 13F
Q2 2026
Location
LOS ANGELES, CA
CIK
0002043084
Portfolio Value
$149.1M (Q1 2026)
SEC Filing
0002043084-26-000002 ↗ filed Apr 17, 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 $149.1M Q1 2026 Q2 2026: $166.1M Q2 2026

Holdings 88 stocks · $149.1M

JPST JPMorgan Ultra-Short Income 14.00% 412,339 $20.9M Add +0.6%
AAPL Apple Inc. 6.05% 35,554 $9.0M Reduce -0.5%
GSST Goldman Sachs Ultra Short Bo 5.97% 176,075 $8.9M Add +39.6%
AMZN Amazon.com Inc. 4.35% 31,153 $6.5M Reduce -1.5%
GOOG Alphabet Inc. Class C 3.89% 20,238 $5.8M Add +0.4%
NVDA Nvidia Corp. 3.25% 27,741 $4.8M Add +0.3%
META Meta Platforms Inc. Class A 2.90% 7,565 $4.3M Reduce -0.2%
IWF iShares Russell 1000 Growth 2.49% 8,691 $3.7M Reduce -1.4%
IWD iShares Russell 1000 Value E 2.13% 14,846 $3.2M Reduce -1.0%
IVV iShares Core S&P 500 ETF 1.94% 4,423 $2.9M Reduce -0.3%
GLD SPDR Gold Shares 1.79% 6,185 $2.7M Add +0.2%
GOOGL Alphabet Inc. Class A 1.75% 9,060 $2.6M Reduce -2.7%
BRK.B Berkshire Hathaway Inc. Class B 1.73% 5,396 $2.6M Add +0.1%
JPM JPMorgan Chase & Co. 1.73% 8,755 $2.6M Add +1.3%
COST Costco Wholesale Corp. 1.56% 2,328 $2.3M Add +0.0%
SPY SS SPDR S&P 500 ETF Trust-US 1.52% 3,473 $2.3M No change
TSLA Tesla Inc. 1.49% 5,990 $2.2M Add +1.7%
NFLX Netflix Inc. 1.48% 23,016 $2.2M Add +0.1%
LLY Eli Lilly & Co. 1.41% 2,292 $2.1M Add +0.3%
MSFT Microsoft Corp. 1.34% 5,393 $2.0M Add +1.6%
TJX TJX Companies Inc. filed as TJX COS INC NEW 1.32% 12,307 $2.0M Add +1.1%
GLW Corning Inc. 1.29% 14,181 $1.9M Add +0.2%
CAVA Cava Group Inc. 1.16% 21,324 $1.7M Add +2.6%
VOE Vngrd Mrngstr MD-Cap Val ETF 1.12% 9,041 $1.7M Reduce -0.9%
WMT Walmart Inc. 1.10% 13,142 $1.6M Add +6.7%
GS Goldman Sachs Group Inc. 1.08% 1,897 $1.6M Add +25.9%
QUAL iShares MSCI USA Quality Fac 1.06% 8,236 $1.6M Reduce -0.3%
SCHW Schwab (charles) Corp. 1.05% 16,693 $1.6M Add +0.5%
TOST Toast Inc. Class A 1.02% 57,404 $1.5M New
VOT Vngrd Mrngstr MC GRW ETF-Usd 1.00% 5,780 $1.5M Reduce -0.6%
IBKR Interactive Brokers Gro Class A 0.98% 21,814 $1.5M Add +1.2%
VGT Vanguard Info Tech ETF 0.94% 2,016 $1.4M Reduce -0.6%
EFV iShares MSCI Eafe Value ETF 0.93% 18,566 $1.4M Reduce -0.5%
CRWD CrowdStrike Holdings Inc. Class A 0.91% 3,470 $1.4M Add +0.9%
LZ Legalzoomcom Inc. 0.86% 225,000 $1.3M No change
PANW Palo Alto Networks Inc. 0.83% 7,741 $1.2M Add +0.5%
ETN Eaton Corp. PLC 0.82% 3,430 $1.2M Add +7.3%
GEV GE Vernova Inc. 0.82% 1,394 $1.2M New
DOV Dover Corp. 0.79% 5,634 $1.2M Add +0.6%
ORLY O'reilly Automotive Inc. 0.78% 12,630 $1.2M Add +0.9%
HD Home Depot Inc. 0.77% 3,496 $1.1M Reduce -6.8%
EFG iShares MSCI Eafe Growth ETF 0.74% 9,842 $1.1M Reduce -0.4%
BABA Alibaba Group Holding-SP ADR 0.72% 8,597 $1.1M Add +1.1%
JEPI JPMorgan Equity Premium Inco 0.72% 18,850 $1.1M Reduce -34.2%
CVX Chevron Corp. 0.71% 5,108 $1.1M No change
V Visa Inc. Class A 0.68% 3,331 $1.0M Reduce -0.5%
CEG Constellation Energy 0.60% 3,189 $891K Add +1.4%
AVGO Broadcom Inc. 0.59% 2,855 $884K Reduce -2.5%
CMG Chipotle Mexican Grill Inc. 0.59% 27,485 $880K Reduce -1.6%
IYW iShares Ustechnology ETF 0.55% 4,536 $823K Reduce -0.4%
IEMG iShares Core MSCI Emerging 0.55% 11,749 $819K Reduce -0.3%
UBER Uber Technologies Inc. 0.54% 11,121 $800K Reduce -3.0%
IVW iShares S&P 500 Growth ETF 0.52% 6,876 $778K Add +0.1%
AS Amer Sports Inc. 0.51% 23,133 $762K Add +0.7%
HNST The Honest Co. Inc. 0.47% 236,061 $694K No change
AMD Advanced Micro Devices 0.43% 3,171 $645K No change
VOX Vanguard Communication Servi 0.40% 3,304 $594K Reduce -0.8%
MA Mastercard Inc. Class A 0.39% 1,165 $582K No change
USMV iShares MSCI USA Min Vol Fac 0.35% 5,625 $522K Reduce -0.1%
XLK SS Technology Select Sector 0.35% 3,876 $515K No change
AMAT Applied Materials Inc. 0.34% 1,468 $502K Reduce -3.3%
SCUS Schwab Ultra-Short Inc. ETF 0.33% 19,483 $491K No change
VFH Vanguard Financials ETF 0.33% 4,045 $489K No change
SCHO Schwab Short-Term US Treas 0.30% 18,585 $451K Reduce -0.2%
VHT Vanguard Health Care ETF 0.29% 1,596 $435K Reduce -1.1%
BSV Vanguard Short-Term Bond ETF 0.28% 5,298 $415K Add +1.0%
IJH iShares Core S&P Midcap ETF 0.26% 5,784 $391K Reduce -0.5%
BA The Boeing Co. 0.26% 1,918 $382K Add +2.1%
AXP American Express Co. 0.26% 1,259 $381K Reduce -0.6%
MCD McDonald's Corp. 0.25% 1,188 $369K No change
IFRA iShares US Infrastructure 0.25% 6,437 $368K Reduce -0.5%
SDY SS SPDR S&P Dividend ETF 0.24% 2,420 $353K Reduce -0.8%
XLI SS Industrial Select Sector 0.23% 2,131 $345K No change
DYNF Ishrs US E F R A ETF-Usd Inc. 0.22% 5,749 $334K Reduce -1.0%
IBIT iShares Bitcoin Trust ETF 0.21% 8,284 $318K No change
XLP SS Consumer Staples Sel Sect 0.21% 3,851 $316K No change
DRI Darden Restaurants Inc. 0.20% 1,507 $295K No change
EWY iShares MSCI South Korea ETF 0.20% 2,378 $293K No change
SBUX Starbucks Corp. 0.19% 3,121 $280K No change
PLTR Palantir Technologies Inc. Class A 0.18% 1,880 $275K Add +20.3%
ATI Ati Inc. 0.17% 1,700 $247K New
QQQ Invesco QQQ Trust Series 1 0.16% 423 $244K Reduce -0.2%
IVE iShares S&P 500 Value ETF 0.16% 1,143 $241K Reduce -1.8%
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.15% 2,390 $230K Reduce -2.9%
RIOT Riot Platforms Inc. 0.14% 16,666 $206K No change
EMXC iShares MSCI Emr MRK Ex Chna 0.14% 2,611 $205K New
ETHA iShares Ethereum Trust ETF 0.14% 12,892 $204K No change
SCHD Schwab US DVD Equity ETF 0.14% 6,649 $204K New

Portfolio Sells Q4 2025 → Q1 2026

CRM Salesforce Inc. Sold out 0.00% −1.05
BXP BXP Inc. Sold out 0.00% −0.55
AMZN Amazon.com Inc. Reduce -1.5% 4.35% −0.43
META Meta Platforms Inc. Class A Reduce -0.2% 2.90% −0.37
JEPI JPMorgan Equity Premium Inco Reduce -34.2% 0.72% −0.36
AAPL Apple Inc. Reduce -0.5% 6.05% −0.31
IWF iShares Russell 1000 Growth Reduce -1.4% 2.49% −0.24
NKE Nike Inc. Class B Sold out 0.00% −0.16
GOOGL Alphabet Inc. Class A Reduce -2.7% 1.75% −0.16
GBTC Grayscale Bitcoin Trust ETF Sold out 0.00% −0.16
CBRE CBRE Group Inc. Class A Sold out 0.00% −0.16
V Visa Inc. Class A Reduce -0.5% 0.68% −0.09
CMG Chipotle Mexican Grill Inc. Reduce -1.6% 0.59% −0.09
UBER Uber Technologies Inc. Reduce -3.0% 0.54% −0.08
HD Home Depot Inc. Reduce -6.8% 0.77% −0.07
AVGO Broadcom Inc. Reduce -2.5% 0.59% −0.07
VOT Vngrd Mrngstr MC GRW ETF-Usd Reduce -0.6% 1.00% −0.07
VGT Vanguard Info Tech ETF Reduce -0.6% 0.94% −0.06
IVV iShares Core S&P 500 ETF Reduce -0.3% 1.94% −0.05
AXP American Express Co. Reduce -0.6% 0.26% −0.05
IYW iShares Ustechnology ETF Reduce -0.4% 0.55% −0.04
DIS The Walt Disney Co. Reduce -2.9% 0.15% −0.03
VOX Vanguard Communication Servi Reduce -0.8% 0.40% −0.02
QUAL iShares MSCI USA Quality Fac Reduce -0.3% 1.06% −0.01
VHT Vanguard Health Care ETF Reduce -1.1% 0.29% −0.01
DYNF Ishrs US E F R A ETF-Usd Inc. Reduce -1.0% 0.22% −0.01
QQQ Invesco QQQ Trust Series 1 Reduce -0.2% 0.16% −0.01
EFG iShares MSCI Eafe Growth ETF Reduce -0.4% 0.74% −0.00
IVE iShares S&P 500 Value ETF Reduce -1.8% 0.16% +0.00
USMV iShares MSCI USA Min Vol Fac Reduce -0.1% 0.35% +0.00
SCHO Schwab Short-Term US Treas Reduce -0.2% 0.30% +0.01
IJH iShares Core S&P Midcap ETF Reduce -0.5% 0.26% +0.01
SDY SS SPDR S&P Dividend ETF Reduce -0.8% 0.24% +0.01
IFRA iShares US Infrastructure Reduce -0.5% 0.25% +0.02
IEMG iShares Core MSCI Emerging Reduce -0.3% 0.55% +0.03
EFV iShares MSCI Eafe Value ETF Reduce -0.5% 0.93% +0.05
VOE Vngrd Mrngstr MD-Cap Val ETF Reduce -0.9% 1.12% +0.06
IWD iShares Russell 1000 Value E Reduce -1.0% 2.13% +0.06
AMAT Applied Materials Inc. Reduce -3.3% 0.34% +0.08

Portfolio Buys Q4 2025 → Q1 2026

GSST Goldman Sachs Ultra Short Bo Add +39.6% 5.97% +1.80
TOST Toast Inc. Class A New 1.02% +1.02
GEV GE Vernova Inc. New 0.82% +0.82
GLW Corning Inc. Add +0.2% 1.29% +0.48
JPST JPMorgan Ultra-Short Income Add +0.6% 14.00% +0.43
CAVA Cava Group Inc. Add +2.6% 1.16% +0.36
COST Costco Wholesale Corp. Add +0.0% 1.56% +0.24
GS Goldman Sachs Group Inc. Add +25.9% 1.08% +0.21
WMT Walmart Inc. Add +6.7% 1.10% +0.20
GLD SPDR Gold Shares Add +0.2% 1.79% +0.18
ATI Ati Inc. New 0.17% +0.17
ETN Eaton Corp. PLC Add +7.3% 0.82% +0.16
EMXC iShares MSCI Emr MRK Ex Chna New 0.14% +0.14
SCHD Schwab US DVD Equity ETF New 0.14% +0.14
TJX TJX Companies Inc. Add +1.1% 1.32% +0.09
IBKR Interactive Brokers Gro Class A Add +1.2% 0.98% +0.07
NFLX Netflix Inc. Add +0.1% 1.48% +0.07
DOV Dover Corp. Add +0.6% 0.79% +0.07
ORLY O'reilly Automotive Inc. Add +0.9% 0.78% +0.03
BSV Vanguard Short-Term Bond ETF Add +1.0% 0.28% +0.01
PLTR Palantir Technologies Inc. Class A Add +20.3% 0.18% +0.00
BA The Boeing Co. Add +2.1% 0.26% −0.01
IVW iShares S&P 500 Growth ETF Add +0.1% 0.52% −0.03
SCHW Schwab (charles) Corp. Add +0.5% 1.05% −0.03
BRK.B Berkshire Hathaway Inc. Class B Add +0.1% 1.73% −0.04
AS Amer Sports Inc. Add +0.7% 0.51% −0.05
BABA Alibaba Group Holding-SP ADR Add +1.1% 0.72% −0.09
JPM JPMorgan Chase & Co. Add +1.3% 1.73% −0.10
PANW Palo Alto Networks Inc. Add +0.5% 0.83% −0.10
CEG Constellation Energy Add +1.4% 0.60% −0.13
NVDA Nvidia Corp. Add +0.3% 3.25% −0.13
CRWD CrowdStrike Holdings Inc. Class A Add +0.9% 0.91% −0.15
LLY Eli Lilly & Co. Add +0.3% 1.41% −0.19
TSLA Tesla Inc. Add +1.7% 1.49% −0.24
GOOG Alphabet Inc. Class C Add +0.4% 3.89% −0.25
MSFT Microsoft Corp. Add +1.6% 1.34% −0.34

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