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
$166.1M
$166.1M
87 檔
29.9%
At the close of Q3 2025, Mainstream Capital Management LLC disclosed equity holdings valued at approximately $166.1M, spread across 87 reported holdings.
Mainstream Capital Management LLC executed strategic sector rebalancing during Q3 2025, establishing 7 new positions while fully exiting 5 holdings and trimming 19 positions.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | JPST | Jpmorgan Ultra-short Income | ETF-Other | 14.90% | -1.75% | +1.79% | |
| 2 | AAPL | Apple Inc | Stock-Tech | 6.12% | -0.11% | -4.25% | |
| 3 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 4.72% | +0.09% | +2.30% | |
| 4 | META | Meta Platforms Inc-class A | Stock-Comm Services | 3.79% | -0.35% | -0.28% | |
| 5 | NVDA | Nvidia CORP | Stock-Tech | 3.46% | +0.08% | +2.24% | |
| 6 | GOOG | Alphabet Inc-cl C | Stock-Comm Services | 3.33% | +0.41% | -0.06% | |
| 7 | IWF | Ishares Russell 1000 Growth | ETF-Other | 3.04% | +0.07% | -3.44% | |
| 8 | IWD | Ishares Russell 1000 Value E | ETF-Other | 2.25% | — | -3.81% | |
| 9 | IVV | Ishares Core S&p 500 ETF | ETF-Large Cap & Growth | 1.97% | +0.02% | -1.86% | |
| 10 | JPM | Jpmorgan Chase & Co | Stock-Financials | 1.85% | -0.01% | +4.36% | |
| 11 | MSFT | Microsoft CORP | Stock-Tech | 1.84% | -0.13% | +1.02% | |
| 12 | NFLX | Netflix Inc | Stock-Comm Services | 1.83% | -0.49% | +1.59% | |
| 13 | BRK-B | Berkshire Hathaway Inc-cl B | Stock-Other | 1.83% | -0.10% | +3.42% | |
| 14 | TSLA | Tesla Inc | Stock-Consumer Disc | 1.72% | +0.03% | +10.49% | |
| 15 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 1.57% | +0.15% | -1.05% | |
| 16 | LZ | Legalzoomcom Inc | Stock-Other | 1.55% | -0.12% | — | |
| 17 | GLD | Spdr Gold Shares | ETF-Commodities | 1.55% | -0.55% | -6.68% | |
| 18 | SPY | Ss Spdr S&p 500 ETF Trust-us | ETF-Large Cap & Growth | 1.54% | +0.04% | +0.29% | |
| 19 | COST | Costco Wholesale CORP | Stock-Consumer Staples | 1.47% | -0.25% | +4.56% | |
| 20 | VOT | Vanguard Mid-cap Growth ETF | ETF-Other | 1.23% | +0.06% | -2.25% | |
| 21 | TJX | Tjx Companies Inc | Stock-Consumer Disc | 1.22% | -0.19% | +1.82% | |
| 22 | LLY | Eli Lilly & Co | Stock-Healthcare | 1.18% | +0.22% | +0.87% | |
| 23 | GSST | Goldman Sachs Ultra Short Bo | ETF-Commodities | 1.17% | -0.26% | — | |
| 24 | QUAL | Ishares Msci USA Quality Fac | ETF-Other | 1.17% | +0.03% | -0.25% | |
| 25 | VOE | Vanguard Mid-cap Value ETF | ETF-Other | 1.16% | -0.05% | -2.45% | |
| 26 | CRWD | Crowdstrike Holdings Inc - A | Stock-Tech | 1.14% | +0.68% | +10.32% | |
| 27 | JEPI | Jpmorgan Equity Premium Inco | ETF-Other | 1.11% | -0.35% | -15.41% | |
| 28 | HD | Home Depot Inc | Stock-Consumer Disc | 1.11% | -0.33% | -1.34% | |
| 29 | VGT | Vanguard Info Tech ETF | ETF-Tech | 1.08% | +0.22% | -2.15% | |
| 30 | SCHW | Schwab (charles) CORP | Stock-Financials | 1.08% | -0.16% | +1.74% | |
| 31 | PANW | Palo Alto Networks Inc | Stock-Tech | 1.06% | +0.75% | +8.15% | |
| 32 | CRM | Salesforce Inc | Stock-Tech | 0.99% | — | -2.17% | |
| 33 | BABA | Alibaba Group Holding-sp Adr | Stock-Consumer Disc | 0.96% | -0.22% | +1.42% | |
| 34 | EFV | Ishares Msci Eafe Value ETF | ETF-Other | 0.95% | -0.07% | -2.12% | |
| 35 | ORLY | O'reilly Automotive Inc | Stock-Consumer Disc | 0.94% | -0.08% | +3.87% | |
| 36 | CAVA | Cava Group Inc | Stock-Consumer Disc | 0.89% | -0.15% | +11.19% | |
| 37 | IBKR | Interactive Brokers Gro-cl A | Stock-Financials | 0.89% | +0.17% | +5.49% | |
| 38 | WMT | Walmart Inc | Stock-Consumer Staples | 0.87% | -0.22% | +3.11% | |
| 39 | GS | Goldman Sachs Group Inc | Stock-Financials | 0.84% | +0.07% | — | |
| 40 | EFG | Ishares Msci Eafe Growth ETF | ETF-Other | 0.83% | — | -1.22% | |
| 41 | V | Visa Inc-class A Shares | Stock-Financials | 0.77% | -0.02% | — | |
| 42 | ETN | Eaton Corporation plc | Stock-Industrials | 0.77% | +0.07% | — | |
| 43 | UBER | Uber Technologies Inc | Stock-Industrials | 0.76% | -0.06% | — | |
| 44 | CMG | Chipotle Mexican Grill Inc | Stock-Consumer Disc | 0.73% | -0.22% | +0.69% | |
| 45 | BXP | Bxp Inc | Stock-Real Estate | 0.66% | — | -2.30% | |
| 46 | AVGO | Broadcom Inc | Stock-Tech | 0.66% | +0.05% | -1.02% | |
| 47 | IYW | Ishares Ustechnology ETF | ETF-Tech | 0.64% | +0.14% | -2.60% | |
| 48 | DOV | Dover CORP | Stock-Industrials | 0.59% | -0.02% | — | |
| 49 | IVW | Ishares S&p 500 Growth ETF | ETF-Large Cap & Growth | 0.59% | +0.05% | -3.09% | |
| 50 | HNST | Honest Co Inc/the | Stock-Other | 0.58% | -0.47% | EXIT |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | NVDA | Nvidia CORP | +0.9% | +2.24% | Trim |
| 2 | GOOG | Alphabet Inc-cl C | +0.8% | -0.06% | Trim |
| 3 | TSLA | Tesla Inc | +0.7% | +10.49% | Add |
| 4 | IBKR | Interactive Brokers Gro-cl A | +0.3% | +5.49% | Add |
| 5 | GLD | Spdr Gold Shares | +0.3% | -6.68% | Add |
| 6 | GOOGL | Alphabet Inc-cl A | +0.3% | -1.05% | Trim |
| 7 | MSFT | Microsoft CORP | +0.3% | +1.02% | Trim |
| 8 | CRWD | Crowdstrike Holdings Inc - A | +0.2% | +10.32% | Add |
| 9 | BABA | Alibaba Group Holding-sp Adr | +0.2% | +1.42% | Add |
| 10 | AVGO | Broadcom Inc | +0.2% | -1.02% | Trim |
| 11 | JPM | Jpmorgan Chase & Co | +0.2% | +4.36% | Add |
| 12 | GS | Goldman Sachs Group Inc | +0.2% | — | Unchanged |
| 13 | NFLX | Netflix Inc | +0.1% | +1.59% | Add |
| 14 | SCUS | Schwab Ultra-short Inc ETF | +0.1% | — | Add |
| 15 | LLY | Eli Lilly & Co | +0.1% | +0.87% | Add |
| 16 | VGT | Vanguard Info Tech ETF | +0.1% | -2.15% | Trim |
| 17 | IWF | Ishares Russell 1000 Growth | +0.1% | -3.44% | Trim |
| 18 | PANW | Palo Alto Networks Inc | +0.1% | +8.15% | Add |
| 19 | CEG | Constellation Energy | +0.1% | +4.01% | Trim |
| 20 | META | Meta Platforms Inc-class A | +0.1% | -0.28% | Trim |
| 21 | IYW | Ishares Ustechnology ETF | +0.1% | -2.60% | Trim |
| 22 | SPY | Ss Spdr S&p 500 ETF Trust-us | 0% | +0.29% | Add |
| 23 | SCHW | Schwab (charles) CORP | 0% | +1.74% | Add |
| 24 | LZ | Legalzoomcom Inc | 0% | — | Unchanged |
| 25 | TJX | Tjx Companies Inc | 0% | +1.82% | Add |
| 26 | WMT | Walmart Inc | 0% | +3.11% | Add |
| 27 | VOT | Vanguard Mid-cap Growth ETF | 0% | -2.25% | Trim |
| 28 | IVV | Ishares Core S&p 500 ETF | -0.2% | -1.86% | Trim |
| 29 | AMZN | Amazon.com Inc | -0.3% | +2.30% | Trim |
| 30 | HNST | Honest Co Inc/the | -0.3% | — | Unchanged |
| 31 | CVX | Chevron CORP | -0.3% | -4.79% | Trim |
| 32 | DIS | Walt Disney Co/the | -0.3% | -1.46% | Trim |
| 33 | CRM | Salesforce Inc | -0.4% | -2.17% | Trim |
| 34 | CMG | Chipotle Mexican Grill Inc | -0.4% | +0.69% | Trim |
| 35 | CAVA | Cava Group Inc | -0.4% | +11.19% | Add |
| 36 | JEPI | Jpmorgan Equity Premium Inco | -0.5% | -15.41% | Trim |
| 37 | JPST | Jpmorgan Ultra-short Income | -0.6% | +1.79% | Add |
| 38 | AAPL | Apple Inc | -0.7% | -4.25% | Trim |
| 39 | GSST | Goldman Sachs Ultra Short Bo | — | NEW | New buy |
| 40 | UNH | Unitedhealth Group Inc | — | EXIT | Sold out |
| 41 | ETN | Eaton Corporation plc | — | NEW | New buy |
| 42 | UBER | Uber Technologies Inc | — | NEW | New buy |
| 43 | DOV | Dover CORP | — | NEW | New buy |
| 44 | IJR | Ishares Core S&p Small-cap E | — | EXIT | Sold out |
| 45 | BXSL | Blackstone Secured Lending F | — | EXIT | Sold out |
| 46 | SCHO | Schwab Short-term US Treas | — | NEW | New buy |
| 47 | ETHA | Ishares Ethereum Trust ETF | — | NEW | New buy |
| 48 | SKAA | Skechers USA Inc-cl A | — | EXIT | Sold out |
| 49 | SCHD | Schwab US Dvd Equity ETF | — | EXIT | Sold out |
| 50 | EWY | Ishares Msci South Korea ETF | — | NEW | New buy |
According to official SEC Form 13F filings, Mainstream Capital Management LLC reported a total U.S. public equity portfolio value of $166.1M across 87 disclosed positions in Q3 2025.
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, AMZN) accounted for 29.9% of total reported equity market value during Q3 2025.
Top New Position Initiated
GSST
市值: $1.8M
Top Position Liquidated / Trimmed
UNH
前期市值: $1.7M
During Q3 2025, Mainstream Capital Management LLC's top holdings by market value included JPST (14.9%)、AAPL (6.1%)、AMZN (4.7%). The largest single position, JPST, represented 14.9% of total portfolio value.
In Q3 2025, Mainstream Capital Management LLC made 47 total portfolio adjustments, initiating 7 new buys, adding to 16 positions, trimming 19 holdings, and fully liquidating 5 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.