13F GuideFiling Basics
What is SEC Form 13F? Ultimate Guide to Institutional Equity Filings
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
AlphaSMO Research GuideRead Guide
CIK: 0002043084
Total reported value
$169.9M
$169.9M
90 檔
31.9%
According to the latest 13F quarterly dataset, Mainstream Capital Management LLC managed an equity portfolio of $169.9M at the end of Q2 2026, spanning 90 distinct U.S. exchange-listed positions.
In Q2 2026, Mainstream Capital Management LLC adopted a defensive or profit-taking posture, trimming 48 positions and completely liquidating 2 holdings to manage risk exposure.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | JPST | Jpmorgan Ultra-short Income | ETF-Other | 12.25% | -2.28% | -2.45% | |
| 2 | AAPL | Apple Inc | Stock-Tech | 5.94% | +0.66% | -4.06% | |
| 3 | GSST | Goldman Sachs Ultra Short Bo | ETF-Commodities | 5.71% | -0.09% | +6.42% | |
| 4 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 4.44% | +0.07% | -0.59% | |
| 5 | GOOG | Alphabet Inc-cl C | Stock-Comm Services | 4.30% | -0.39% | -0.11% | |
| 6 | NVDA | Nvidia CORP | Stock-Tech | 3.33% | +0.77% | -0.43% | |
| 7 | IWF | Ishares Russell 1000 Growth | ETF-Other | 2.56% | -0.88% | +294.26% | |
| 8 | META | Meta Platforms Inc-class A | Stock-Comm Services | 2.55% | +0.68% | -0.82% | |
| 9 | GLW | Corning Inc | Stock-Tech | 2.20% | -0.79% | +0.76% | |
| 10 | IWD | Ishares Russell 1000 Value E | ETF-Other | 2.13% | -0.80% | -1.67% | |
| 11 | IVV | Ishares Core S&p 500 ETF | ETF-Large Cap & Growth | 1.96% | -0.15% | -1.88% | |
| 12 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 1.90% | -0.14% | -2.43% | |
| 13 | JPM | Jpmorgan Chase & Co | Stock-Financials | 1.72% | -0.06% | -0.19% | |
| 14 | BRK-B | Berkshire Hathaway Inc-cl B | Stock-Other | 1.63% | -0.05% | +0.07% | |
| 15 | LLY | Eli Lilly & Co | Stock-Healthcare | 1.63% | -0.08% | -1.83% | |
| 16 | CRWD | Crowdstrike Holdings Inc - A | Stock-Tech | 1.59% | +0.60% | -0.35% | |
| 17 | PANW | Palo Alto Networks Inc | Stock-Tech | 1.58% | +0.19% | -0.36% | |
| 18 | SPY | Ss Spdr S&p 500 ETF Trust-us | ETF-Large Cap & Growth | 1.56% | -0.22% | — | |
| 19 | TSLA | Tesla Inc | Stock-Consumer Disc | 1.52% | -0.28% | -0.08% | |
| 20 | AMD | Advanced Micro Devices | Stock-Tech | 1.41% | -0.01% | +27.09% | |
| 21 | COST | Costco Wholesale CORP | Stock-Consumer Staples | 1.31% | -0.05% | -0.21% | |
| 22 | GLD | Spdr Gold Shares | ETF-Commodities | 1.24% | -0.21% | -9.70% | |
| 23 | MSFT | Microsoft CORP | Stock-Tech | 1.21% | +0.93% | +0.09% | |
| 24 | VGT | Vanguard Info Tech ETF | ETF-Tech | 1.16% | -0.31% | +698.96% | |
| 25 | GS | Goldman Sachs Group Inc | Stock-Financials | 1.15% | -0.17% | -0.37% | |
| 26 | IBKR | Interactive Brokers Gro-cl A | Stock-Financials | 1.15% | — | +0.50% | |
| 27 | GEV | GE Vernova Inc | Stock-Industrials | 1.15% | -0.20% | +16.14% | |
| 28 | TJX | Tjx Companies Inc | Stock-Consumer Disc | 1.13% | -0.15% | +0.27% | |
| 29 | IBM | Intl Business Machines CORP | Stock-Tech | 1.12% | -0.27% | — | |
| 30 | QUAL | Ishares Msci USA Quality Fac | ETF-Other | 1.09% | +0.24% | -0.26% | |
| 31 | VOE | Vanguard Mid-cap Value ETF | ETF-Other | 1.07% | -0.34% | -0.10% | |
| 32 | VOT | Vanguard Mid-cap Growth ETF | ETF-Other | 1.06% | -0.32% | -0.28% | |
| 33 | CAVA | Cava Group Inc | Stock-Consumer Disc | 1.01% | -0.32% | +0.27% | |
| 34 | NFLX | Netflix Inc | Stock-Comm Services | 0.99% | -0.03% | +0.07% | |
| 35 | TOST | Toast Inc-class A | Stock-Tech | 0.95% | -0.05% | -1.06% | |
| 36 | SCHW | Schwab (charles) CORP | Stock-Financials | 0.89% | -0.04% | -3.97% | |
| 37 | ETN | Eaton Corporation plc | Stock-Industrials | 0.89% | +0.01% | +0.85% | |
| 38 | WMT | Walmart Inc | Stock-Consumer Staples | 0.88% | -0.17% | -1.54% | |
| 39 | EFV | Ishares Msci Eafe Value ETF | ETF-Other | 0.85% | +0.21% | -0.10% | |
| 40 | DOV | Dover CORP | Stock-Industrials | 0.77% | -0.77% | +0.96% | |
| 41 | LZ | Legalzoomcom Inc | Stock-Other | 0.74% | -0.08% | -11.11% | |
| 42 | EFG | Ishares Msci Eafe Growth ETF | ETF-Other | 0.74% | -0.18% | -0.10% | |
| 43 | ORLY | O'reilly Automotive Inc | Stock-Consumer Disc | 0.70% | -0.03% | -0.59% | |
| 44 | IYW | Ishares Ustechnology ETF | ETF-Tech | 0.69% | -0.14% | -0.46% | |
| 45 | V | Visa Inc-class A Shares | Stock-Financials | 0.66% | — | -3.63% | |
| 46 | AVGO | Broadcom Inc | Stock-Tech | 0.64% | -0.07% | -0.98% | |
| 47 | AMAT | Applied Materials Inc | Stock-Tech | 0.64% | -0.20% | — | |
| 48 | IEMG | Ishares Core Msci Emerging | ETF-Emerging Markets | 0.59% | +0.28% | -0.05% | |
| 49 | IVW | Ishares S&p 500 Growth ETF | ETF-Large Cap & Growth | 0.57% | +0.43% | -0.07% | |
| 50 | CVX | Chevron CORP | Stock-Energy | 0.51% | +0.02% | — |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | IBM | Intl Business Machines CORP | +1.1% | NEW | New buy |
| 2 | AMD | Advanced Micro Devices | +1% | +27.09% | Add |
| 3 | GLW | Corning Inc | +0.9% | +0.76% | Add |
| 4 | PANW | Palo Alto Networks Inc | +0.8% | -0.36% | Trim |
| 5 | CRWD | Crowdstrike Holdings Inc - A | +0.7% | -0.35% | Trim |
| 6 | GOOG | Alphabet Inc-cl C | +0.4% | -0.11% | Trim |
| 7 | GEV | GE Vernova Inc | +0.3% | +16.14% | Add |
| 8 | AMAT | Applied Materials Inc | +0.3% | — | Unchanged |
| 9 | LLY | Eli Lilly & Co | +0.2% | -1.83% | Trim |
| 10 | VGT | Vanguard Info Tech ETF | +0.2% | +698.96% | Add |
| 11 | IBKR | Interactive Brokers Gro-cl A | +0.2% | +0.50% | Add |
| 12 | CSCO | Cisco Systems Inc | +0.2% | NEW | New buy |
| 13 | GOOGL | Alphabet Inc-cl A | +0.2% | -2.43% | Trim |
| 14 | IYW | Ishares Ustechnology ETF | +0.1% | -0.46% | Trim |
| 15 | RIOT | Riot Platforms Inc | +0.1% | — | Unchanged |
| 16 | FNDX | Schwab Fndmntl US Lrg Co ETF | +0.1% | NEW | New buy |
| 17 | IBB | Ishares Biotechnology ETF | +0.1% | NEW | New buy |
| 18 | AMZN | Amazon.com Inc | +0.1% | -0.59% | Trim |
| 19 | XLK | Ss Technology Select Sector | +0.1% | — | Unchanged |
| 20 | EWY | Ishares Msci South Korea ETF | +0.1% | — | Unchanged |
| 21 | NVDA | Nvidia CORP | +0.1% | -0.43% | Trim |
| 22 | IWF | Ishares Russell 1000 Growth | +0.1% | +294.26% | Add |
| 23 | GS | Goldman Sachs Group Inc | +0.1% | -0.37% | Trim |
| 24 | ETN | Eaton Corporation plc | +0.1% | +0.85% | Add |
| 25 | VOT | Vanguard Mid-cap Growth ETF | +0.1% | -0.28% | Trim |
| 26 | AVGO | Broadcom Inc | +0.1% | -0.98% | Trim |
| 27 | IVW | Ishares S&p 500 Growth ETF | +0.1% | -0.07% | Trim |
| 28 | SPY | Ss Spdr S&p 500 ETF Trust-us | 0% | — | Unchanged |
| 29 | IEMG | Ishares Core Msci Emerging | 0% | -0.05% | Trim |
| 30 | TSLA | Tesla Inc | 0% | -0.08% | Trim |
| 31 | QUAL | Ishares Msci USA Quality Fac | 0% | -0.26% | Trim |
| 32 | ATI | Ati Inc | 0% | — | Unchanged |
| 33 | QQQ | Invesco Qqq Trust Series 1 | 0% | — | Unchanged |
| 34 | IVV | Ishares Core S&p 500 ETF | 0% | -1.88% | Trim |
| 35 | EMXC | Ishares Msci Emr Mrk Ex Chna | 0% | — | Unchanged |
| 36 | DYNF | Ishrs US E F R A Etf-usd Inc | 0% | +0.33% | Add |
| 37 | XLI | Ss Industrial Select Sector | 0% | -0.80% | Trim |
| 38 | IWD | Ishares Russell 1000 Value E | — | -1.67% | Trim |
| 39 | EFG | Ishares Msci Eafe Growth ETF | — | -0.10% | Trim |
| 40 | IJH | Ishares Core S&p Midcap ETF | — | -2.01% | Trim |
| 41 | AXP | American Express Co | — | — | Unchanged |
| 42 | VHT | Vanguard Health Care ETF | — | — | Unchanged |
| 43 | SBUX | Starbucks CORP | — | -0.06% | Trim |
| 44 | IVE | Ishares S&p 500 Value ETF | — | +0.52% | Add |
| 45 | JPM | Jpmorgan Chase & Co | 0% | -0.19% | Trim |
| 46 | VFH | Vanguard Financials ETF | 0% | — | Unchanged |
| 47 | BA | Boeing Co/the | 0% | +1.09% | Add |
| 48 | IFRA | Ishares US Infrastructure | 0% | -2.02% | Trim |
| 49 | DRI | Darden Restaurants Inc | 0% | — | Unchanged |
| 50 | SCHD | Schwab US Dvd Equity ETF | 0% | — | Unchanged |
According to official SEC Form 13F filings, Mainstream Capital Management LLC reported a total U.S. public equity portfolio value of $169.9M across 90 disclosed positions in Q2 2026.
Expert Analysis & Guides for Tracking Wall Street Smart Money Movements
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
In terms of portfolio concentration, the top 5 core holdings (including JPST, AAPL, GSST) accounted for 31.9% of total reported equity market value during Q2 2026.
Top New Position Initiated
IBM
市值: $1.9M
Top Position Liquidated / Trimmed
HNST
前期市值: $694.0K
During Q2 2026, Mainstream Capital Management LLC's top holdings by market value included JPST (12.3%)、AAPL (5.9%)、GSST (5.7%). The largest single position, JPST, represented 12.3% of total portfolio value.
In Q2 2026, Mainstream Capital Management LLC made 75 total portfolio adjustments, initiating 4 new buys, adding to 21 positions, trimming 48 holdings, and fully liquidating 2 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
Understand SEC Form 4 insider disclosures for corporate officers, directors, and 10% owners to track executive transactions.
Understand Rule 144 restricted stock sale notices to spot planned insider liquidations before market sell pressure arrives.
Explore the 5% beneficial ownership threshold, 13D vs 13G filing differences, and recent SEC accelerated deadline rules.
Best practices for analyzing 13F quarterly changes without getting misled by stock splits, options, or market valuation drift.
Learn how AlphaSMO's flagship signal detects high-conviction stocks where 13F hedge funds and corporate insiders buy at the same time.