13F

Investor

Mainstream Capital Management LLC

CIK 0002043084 · filed 2026-04-17 · SEC filing

13F book

$149.1M

Positions

88

5 new · 5 sold

Largest name

14.0%

J P Morgan Exchange Traded F

Est. mark

−$6.28M

Price effect on 83 names still held. Flow $2.59M.
NameTickerSharesValueWeightEst. markChange
J P Morgan Exchange Traded F412.3K$20.9M14.0%$8.2KAdded$134K
Apple Inc.AAPL35.6K$9.02M6.1%−$642.5KCut−$693K
Goldman Sachs Etf Tr176.1K$8.9M6.0%$10.1KAdded$2.53M
Amazon Com IncAMZN31.2K$6.49M4.4%−$702.5KCut−$810.5K
Alphabet Inc20.2K$5.81M3.9%−$543.2KAdded−$521.7K
Nvidia CorpNVDA27.7K$4.84M3.2%−$334.6KAdded−$319.6K
Meta Platforms, Inc.META7.57K$4.33M2.9%−$665.4KCut−$675.3K
Ishares Tr8.69K$3.71M2.5%−$407.6KCut−$464.4K
Ishares Tr14.8K$3.17M2.1%$49.4KCut$17K
Ishares Tr4.42K$2.89M1.9%−$140.3KCut−$149.9K
Spdr Gold Tr6.18K$2.66M1.8%$209.8KAdded$214.9K
Alphabet Inc9.06K$2.61M1.7%−$230.5KCut−$308.7K
Berkshire Hathaway Inc Del5.4K$2.59M1.7%−$126.4KAdded−$123.5K
Jpmorgan Chase & Co.8.76K$2.58M1.7%−$242.5KAdded−$208.9K
Costco Whsl Corp New2.33K$2.32M1.6%$312KAdded$313K
Spdr S&P 500 Etf Tr3.47K$2.26M1.5%−$109.7KHeld
Tesla, Inc.TSLA5.99K$2.23M1.5%−$459.1KAdded−$421.2K
Netflix IncNFLX23K$2.21M1.5%$55KAdded$56.4K
Eli Lilly & CoLLY2.29K$2.11M1.4%−$354.1KAdded−$348.6K
Microsoft CorpMSFT5.39K$2M1.3%−$602.3KAdded−$571.2K
Tjx Cos Inc New12.3K$1.97M1.3%$74.1KAdded$95.8K
Corning Inc14.2K$1.93M1.3%$685.3KAdded$688.6K
Cava Group, Inc.CAVA21.3K$1.73M1.2%$461.7KAdded$505K
Vanguard Index Fds9.04K$1.67M1.1%$62.5KCut$48.6K
Walmart Inc.WMT13.1K$1.63M1.1%$158.5KAdded$261.2K
Goldman Sachs Group Inc1.9K$1.6M1.1%−$49.7KAdded$280.2K
Ishares Tr8.24K$1.58M1.1%−$56.1KCut−$61.5K
Schwab Charles Corp16.7K$1.57M1.1%−$98.5KAdded−$91.5K
Toast, Inc.TOST57.4K$1.52M1.0%New
Vanguard Index Fds5.78K$1.49M1.0%−$125.9KCut−$136.3K
Interactive Brokers Group In21.8K$1.46M1.0%$59.5KAdded$77.1K
Vanguard World Fd2.02K$1.41M0.9%−$113KCut−$122.1K
Ishares Tr18.6K$1.38M0.9%$54.6KCut$47.5K
Crowdstrike Hldgs Inc3.47K$1.35M0.9%−$269.5KAdded−$257.8K
Legalzoom.Com, Inc.LZ225K$1.28M0.9%−$958.5KHeld
Palo Alto Networks IncPANW7.74K$1.24M0.8%−$183.9KAdded−$177.9K
Eaton Corp PlcETN3.43K$1.23M0.8%$125.2KAdded$208.2K
GE Vernova Inc.GEV1.39K$1.22M0.8%New
Dover CorpDOV5.63K$1.17M0.8%$73.9KAdded$81.5K
Oreilly Automotive Inc12.6K$1.17M0.8%$13.8KAdded$23.8K
Home Depot, Inc.HD3.5K$1.15M0.8%−$53.2KCut−$140.9K
Ishares Tr9.84K$1.1M0.7%−$25.1KCut−$30K
Alibaba Group Hldg Ltd8.6K$1.08M0.7%−$179.6KAdded−$167.9K
J P Morgan Exchange Traded F18.9K$1.07M0.7%−$10.6KCut−$571.5K
Chevron Corp NewCVX5.11K$1.06M0.7%$278.3KHeld
Visa Inc.V3.33K$1.01M0.7%−$161.5KCut−$167.8K
Constellation Energy CorpCEG3.19K$890.5K0.6%−$232.7KAdded−$220.2K
Broadcom Inc.AVGO2.85K$883.7K0.6%−$104.5KCut−$129.4K
Chipotle Mexican Grill IncCMG27.5K$879.8K0.6%−$137.2KCut−$153.8K
Ishares Tr4.54K$822.9K0.6%−$82.8KCut−$86.6K
Ishares Inc11.7K$819.5K0.5%$29.7KCut$27.5K
Uber Technologies, IncUBER11.1K$799.9K0.5%−$108.8KCut−$136.7K
Ishares Tr6.88K$777.7K0.5%−$69.7KAdded−$68.7K
Amer Sports, Inc.AS23.1K$761.5K0.5%−$101.8KAdded−$96.4K
Honest Co Inc236.1K$694K0.5%$85KHeld
Advanced Micro Devices IncAMD3.17K$645.1K0.4%−$34KHeld
Vanguard World Fd3.3K$594.2K0.4%−$45.6KCut−$50.8K
Mastercard IncMA1.17K$582.1K0.4%−$83KHeld
Ishares Tr5.63K$521.7K0.4%−$7.99KCut−$8.27K
Select Sector Spdr Tr3.88K$515.1K0.3%−$42.9KHeld
Applied Matls Inc1.47K$501.7K0.3%$124.5KCut$111.6K
Schwab Strategic Tr19.5K$491K0.3%$390Held
Vanguard World Fd4.04K$488.7K0.3%−$51.3KHeld
Schwab Strategic Tr18.6K$451.1K0.3%−$1.86KCut−$2.81K
Vanguard World Fd1.6K$434.6K0.3%−$24.8KCut−$29.7K
Vanguard Bd Index Fds5.3K$415.4K0.3%−$2.1KAdded$2.06K
Ishares Tr5.78K$390.6K0.3%$8.85KCut$7.07K
Boeing Co1.92K$381.7K0.3%−$34KAdded−$26K
American Express CoAXP1.26K$380.8K0.3%−$84.9KCut−$87.5K
Mcdonalds CorpMCD1.19K$369.2K0.2%$6.13KHeld
Ishares Tr6.44K$368.2K0.2%$29.5KCut$27.6K
Spdr Series Trust2.42K$353.2K0.2%$16.4KCut$13.6K
Select Sector Spdr Tr2.13K$344.6K0.2%$14.1KHeld
Blackrock Etf Trust5.75K$334.5K0.2%−$15.1KCut−$18.8K
Ishares Bitcoin Trust EtfIBIT8.28K$318.3K0.2%−$93KHeld
Select Sector Spdr Tr3.85K$315.7K0.2%$16.6KHeld
Darden Restaurants IncDRI1.51K$295.4K0.2%$18.1KHeld
Ishares Inc2.38K$292.5K0.2%$61.3KHeld
Starbucks CorpSBUX3.12K$279.6K0.2%$16.8KHeld
Palantir Technologies Inc.PLTR1.88K$275K0.2%−$49.2KAdded−$2.82K
Ati IncATI1.7K$247.3K0.2%New
Invesco Qqq Tr423$244.1K0.2%−$15.7KCut−$16.3K
Ishares Tr1.14K$241.3K0.2%−$1.05KCut−$5.5K
Disney Walt Co2.39K$230.3K0.2%−$41.6KCut−$49.5K
Riot Platforms, Inc.RIOT16.7K$206K0.1%−$5.17KHeld
Ishares Inc2.61K$205.4K0.1%New
Ishares Ethereum Tr12.9K$204.1K0.1%−$85.1KHeld
Schwab Strategic Tr6.65K$204K0.1%New

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.