Mainstream Capital Management LLC — 13F Holdings & Portfolio
CIK 2043084 · latest 13F-HR filed 2026-04-17
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
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AUM
$149.1M
Long-equity book
Holdings
88
Distinct positions
Period
2026-03-31
Filed 2026-04-17
Q/Q Activity
+5 / −5 / ↑19 / ↓41
vs 2025-12-31
Firm Profile & Key People
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- GOLDMAN SACHS ULTRA SHORT BOND ETF$2.5M +39.8%
- CORNING INC COM$688.6K +55.6%
- CAVA GROUP INC COM$505.0K +41.4%
- COSTCO WHOLESALE CORPORATION COM$313.0K +15.6%
- GOLDMAN SACHS GROUP INC COM$280.2K +21.2%
Top Trims
- LEGALZOOM COM INC COM-$958.5K -42.9%
- AMAZON COM INC COM-$810.5K -11.1%
- APPLE INC COM-$693.0K -7.1%
- META PLATFORMS INC CL A-$675.3K -13.5%
- JPMORGAN EQUITY PREMIUM INCOME ETF-$571.5K -34.8%
New Positions
- TOAST INC CL A$1.5M
- GE VERNOVA INC COM$1.2M
- ATI INC COM$247.3K
- ISHARES MSCI EMERGING MARKETS EX CHINA ETF$205.4K
- SCHWAB US DIVIDEND EQUITY ETF$204.0K
Exited Positions
- SALESFORCE INC COM$1.6M
- BXP INC COM$838.0K
- NIKE INC CL B$245.9K
- GRAYSCALE BITCOIN TRUST ETF$241.9K
- CBRE GROUP INC CL A$238.3K
All Holdings
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | JPMORGAN ULTRA-SHORT INCOME ETF | JPST | 46641Q837 | $20.9M | 14.00% | 412,339 | SH |
| 2 | APPLE INC COM | AAPL | 037833100 | $9.0M | 6.05% | 35,554 | SH |
| 3 | GOLDMAN SACHS ULTRA SHORT BOND ETF | GSST | 381430230 | $8.9M | 5.97% | 176,075 | SH |
| 4 | AMAZON COM INC COM | AMZN | 023135106 | $6.5M | 4.35% | 31,153 | SH |
| 5 | ALPHABET INC CAP STK CL C | GOOG | 02079K107 | $5.8M | 3.89% | 20,238 | SH |
| 6 | NVIDIA CORPORATION COM | NVDA | 67066G104 | $4.8M | 3.25% | 27,741 | SH |
| 7 | META PLATFORMS INC CL A | META | 30303M102 | $4.3M | 2.90% | 7,565 | SH |
| 8 | ISHARES RUSSELL 1000 GROWTH ETF | IWF | 464287614 | $3.7M | 2.49% | 8,691 | SH |
| 9 | ISHARES RUSSELL 1000 VALUE ETF | IWD | 464287598 | $3.2M | 2.13% | 14,846 | SH |
| 10 | ISHARES CORE S&P 500 ETF | IVV | 464287200 | $2.9M | 1.94% | 4,423 | SH |
| 11 | SPDR GOLD SHARES | GLD | 78463V107 | $2.7M | 1.79% | 6,185 | SH |
| 12 | ALPHABET INC CAP STK CL A | GOOGL | 02079K305 | $2.6M | 1.75% | 9,060 | SH |
| 13 | BERKSHIRE HATHAWAY INC DEL CL B NEW | BRK.B | 084670702 | $2.6M | 1.73% | 5,396 | SH |
| 14 | JPMORGAN CHASE & CO COM | JPM | 46625H100 | $2.6M | 1.73% | 8,755 | SH |
| 15 | COSTCO WHOLESALE CORPORATION COM | COST | 22160K105 | $2.3M | 1.56% | 2,328 | SH |
| 16 | STATE STREET SPDR S&P 500 ETF | SPY | 78462F103 | $2.3M | 1.52% | 3,473 | SH |
| 17 | TESLA INC COM | TSLA | 88160R101 | $2.2M | 1.49% | 5,990 | SH |
| 18 | NETFLIX INC. COM | NFLX | 64110L106 | $2.2M | 1.48% | 23,016 | SH |
| 19 | ELI LILLY & CO COM | LLY | 532457108 | $2.1M | 1.41% | 2,292 | SH |
| 20 | MICROSOFT CORP COM | MSFT | 594918104 | $2.0M | 1.34% | 5,393 | SH |
| 21 | TJX COS INC NEW COM | TJX | 872540109 | $2.0M | 1.32% | 12,307 | SH |
| 22 | CORNING INC COM | GLW | 219350105 | $1.9M | 1.29% | 14,181 | SH |
| 23 | CAVA GROUP INC COM | CAVA | 148929102 | $1.7M | 1.16% | 21,324 | SH |
| 24 | VANGUARD MID-CAP VALUE ETF | VOE | 922908512 | $1.7M | 1.12% | 9,041 | SH |
| 25 | WALMART INC COM | WMT | 931142103 | $1.6M | 1.10% | 13,142 | SH |
| 26 | GOLDMAN SACHS GROUP INC COM | GS | 38141G104 | $1.6M | 1.08% | 1,897 | SH |
| 27 | ISHARES MSCI USA QUALITY FACTOR ETF | QUAL | 46432F339 | $1.6M | 1.06% | 8,236 | SH |
| 28 | SCHWAB CHARLES CORP COM | SCHW | 808513105 | $1.6M | 1.05% | 16,693 | SH |
| 29 | TOAST INC CL A | TOST | 888787108 | $1.5M | 1.02% | 57,404 | SH |
| 30 | VANGUARD MID-CAP GROWTH ETF | VOT | 922908538 | $1.5M | 1.00% | 5,780 | SH |
| 31 | INTERACTIVE BROKERS GROUP INC COM CL A | IBKR | 45841N107 | $1.5M | 0.98% | 21,814 | SH |
| 32 | VANGUARD INFORMATION TECHNOLOGY ETF | VGT | 92204A702 | $1.4M | 0.94% | 2,016 | SH |
| 33 | ISHARES MSCI EAFE VALUE ETF | EFV | 464288877 | $1.4M | 0.93% | 18,566 | SH |
| 34 | CROWDSTRIKE HLDGS INC CL A | CRWD | 22788C105 | $1.4M | 0.91% | 3,470 | SH |
| 35 | LEGALZOOM COM INC COM | LZ | 52466B103 | $1.3M | 0.86% | 225,000 | SH |
| 36 | PALO ALTO NETWORKS INC COM | PANW | 697435105 | $1.2M | 0.83% | 7,741 | SH |
| 37 | EATON CORP PLC SHS | ETN | G29183103 | $1.2M | 0.82% | 3,430 | SH |
| 38 | GE VERNOVA INC COM | GEV | 36828A101 | $1.2M | 0.82% | 1,394 | SH |
| 39 | DOVER CORP COM | DOV | 260003108 | $1.2M | 0.79% | 5,634 | SH |
| 40 | OREILLY AUTOMOTIVE INC COM | ORLY | 67103H107 | $1.2M | 0.78% | 12,630 | SH |
| 41 | HOME DEPOT INC COM | HD | 437076102 | $1.1M | 0.77% | 3,496 | SH |
| 42 | ISHARES MSCI EAFE GROWTH ETF | EFG | 464288885 | $1.1M | 0.74% | 9,842 | SH |
| 43 | ALIBABA GROUP HLDG LTD SPONSORED ADS | BABA | 01609W102 | $1.1M | 0.72% | 8,597 | SH |
| 44 | JPMORGAN EQUITY PREMIUM INCOME ETF | JEPI | 46641Q332 | $1.1M | 0.72% | 18,850 | SH |
| 45 | CHEVRON CORPORATION COM | CVX | 166764100 | $1.1M | 0.71% | 5,108 | SH |
| 46 | VISA INC COM CL A | V | 92826C839 | $1.0M | 0.68% | 3,331 | SH |
| 47 | CONSTELLATION ENERGY CORP COM | CEG | 21037T109 | $890.5K | 0.60% | 3,189 | SH |
| 48 | BROADCOM INC COM | AVGO | 11135F101 | $883.7K | 0.59% | 2,855 | SH |
| 49 | CHIPOTLE MEXICAN GRILL INC COM | CMG | 169656105 | $879.8K | 0.59% | 27,485 | SH |
| 50 | ISHARES U.S. TECHNOLOGY ETF | IYW | 464287721 | $822.9K | 0.55% | 4,536 | SH |
Filing History
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-04-17 | $149.1M | 88 | 0002043084-26-000002 |
| 2025-12-31 | 2026-01-21 | $152.8M | 88 | 0002043084-26-000001 |