Managers / Q4 2024 · view latest →
Mainstream Capital Management LLC
CIK 0002043084 · 3435 WILSHIRE BLVD, SUITE 1100, LOS ANGELES, CA, 90010 · 213-365-6773
Summary
Mainstream Capital Management LLC reported $143M in U.S.-listed holdings across 322 positions for Q4 2024.
Its largest position, Jpmorgan Ultra Short Income Etf, represents 17.0% of the portfolio.
Compared with Q3 2024, the fund opened 239 new positions and exited 1.
Portfolio Metrics
Methodology: turnover is min(value bought, value sold) ÷ average reported value across the two quarters — value-based, so market moves inflate it slightly versus a share-based measure. Concentration and largest position are shares of the filing’s total reported value, options excluded. New/exited counts compare against the prior filed quarter. All figures derive solely from the fund’s 13F filings.
Reported Value by Quarter
Portfolio Composition
- Common Stock · 52.9% · $76M
- ETP · 45.5% · $65M
- REIT · 0.8% · $1M
- ADR · 0.4% · $634,984
- Other · 0.3% · $380,979
- Other · 0.0% · $27,129
Quarter-over-Quarter Changes full breakdown →
vs Q3 2024 (amended baseline)
| Issuer | Move | Share Δ | Shares now | Value Δ | Value now |
|---|---|---|---|---|---|
| BABAALIBABA GROUP HLDG LTD SPONSORED ADS | NEW | +7.1K | 7.1K | +$600,398 | $600,398 |
| CEGCONSTELLATION ENERGY CORP COM | NEW | +2.6K | 2.6K | +$577,619 | $577,619 |
| GBTCGRAYSCALE BITCOIN TRUST ETF | NEW | +3.9K | 3.9K | +$286,902 | $286,902 |
| SCHWAB ULTRA-SHORT INCOME ETF | NEW | +10.3K | 10.3K | +$259,992 | $259,992 |
| IBITISHARES BITCOIN TRUST ETF | NEW | +4.4K | 4.4K | +$233,420 | $233,420 |
| ISHARES U.S. EQUITY FACTOR ROTATION ACTIVE ETF | NEW | +4.1K | 4.1K | +$210,945 | $210,945 |
| NDQINVESCO QQQ TRUST SERIES I | NEW | +380 | 380 | +$194,267 | $194,267 |
| AMER SPORTS INC COM SHS | NEW | +6.8K | 6.8K | +$189,513 | $189,513 |
Value changes conflate price moves with buying and selling — share changes are the real signal. Share counts are not split-adjusted.
Holdings — Q4 2024
Filing History
| Quarter | Reported Value | Positions | Filed | Type | Links |
|---|---|---|---|---|---|
| Q1 2026 | $149M | 88 | Apr 17, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q4 2025 | $153M | 88 | Jan 21, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q3 2025 | $150M | 87 | Oct 20, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q2 2025 | $138M | 84 | Jul 15, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q1 2025 | $126M | 86 | Apr 28, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q4 2024 | $143M | 322 | Feb 6, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q3 2024 | $118M | 84 | Oct 31, 2024 | 13F-HR | changes · EDGAR ↗ |
13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.