MC
Mainstream Capital Management LLC
13F filer · CIK 0002043084Reported Jul 15, 2026
Net seller this quarter
13F portfolio value$166MU.S. long equity reported on 13F
Positions582 new · 2 closed
Net flow last quarter-$221KBuys minus sells
Top 10 positions weight29.6%Concentration
Holdings
13F · last 4 quarters freeScroll for earlier quarters
| Company | Value | % of portfolio | % of company | POSITION CHANGE qoq % | First reported |
|---|---|---|---|---|---|
| Q2 2026Reported Jul 15, 202658 positions | |||||
| $9.87M | 5.94% | 0.00% | -4.1% | Q3 2024 | |
| $7.38M | 4.44% | 0.00% | -0.6% | Q3 2024 | |
| $7.14M | 4.30% | Not reported | -0.1% | Q3 2024 | |
| $5.53M | 3.33% | 0.00% | -0.4% | Q3 2024 | |
| $4.23M | 2.55% | Not reported | -0.8% | Q3 2024 | |
| $3.65M | 2.20% | 0.00% | +0.8% | Q4 2024 | |
| $3.16M | 1.90% | 0.00% | -2.4% | Q3 2024 | |
| $2.86M | 1.72% | 0.00% | -0.2% | Q3 2024 | |
| $2.7M | 1.63% | Not reported | +0.1% | Q3 2024 | |
| $2.7M | 1.63% | 0.00% | -1.8% | Q3 2024 | |
| $2.64M | 1.59% | 0.00% | -0.4% | Q3 2024 | |
| $2.63M | 1.58% | 0.00% | -0.4% | Q3 2024 | |
| $2.59M | 1.56% | Not reported | Not reported | Q3 2024 | |
| $2.52M | 1.52% | 0.00% | -0.1% | Q3 2024 | |
| $2.34M | 1.41% | 0.00% | +27.1% | Q3 2024 | |
| $2.17M | 1.31% | 0.00% | -0.2% | Q3 2024 | |
| $2.06M | 1.24% | 0.00% | -9.7% | Q3 2024 | |
| $2.01M | 1.21% | 0.00% | +0.1% | Q3 2024 | |
| $1.91M | 1.15% | 0.00% | -0.4% | Q3 2024 | |
| $1.91M | 1.15% | 0.01% | +0.5% | Q1 2025 | |
| $1.9M | 1.15% | 0.00% | +16.1% | Q4 2024 | |
| $1.87M | 1.13% | 0.00% | +0.3% | Q3 2024 | |
| $1.87M | 1.12% | 0.00% | Not reported | Q4 2024 | |
| $1.77M | 1.06% | Not reported | -0.3% | Q3 2024 | |
| $1.68M | 1.01% | 0.02% | +0.3% | Q3 2024 | |
| $1.64M | 0.99% | 0.00% | +0.1% | Q3 2024 | |
| $1.58M | 0.95% | 0.03% | -1.1% | Q4 2024 | |
| $1.48M | 0.89% | 0.00% | -4.0% | Q3 2024 | |
| $1.47M | 0.89% | 0.00% | +0.9% | Q3 2025 | |
| $1.47M | 0.88% | 0.00% | -1.5% | Q3 2024 | |
| $1.28M | 0.77% | 0.00% | +1.0% | Q4 2024 | |
| $1.23M | 0.74% | 0.12% | -11.1% | Q3 2024 | |
| $1.16M | 0.70% | 0.00% | -0.6% | Q3 2024 | |
| $1.1M | 0.66% | 0.00% | -3.6% | Q3 2024 | |
| $1.07M | 0.64% | 0.00% | -1.0% | Q3 2024 | |
| $1.06M | 0.64% | 0.00% | Not reported | Q3 2024 | |
| $847K | 0.51% | 0.00% | Not reported | Q3 2024 | |
| $828K | 0.50% | 0.00% | +0.3% | Q4 2024 | |
| $797K | 0.48% | 0.00% | -0.7% | Q4 2024 | |
| $787K | 0.47% | 0.00% | +0.6% | Q4 2024 | |
| $778K | 0.47% | 0.00% | -1.8% | Q4 2024 | |
| $727K | 0.44% | 0.00% | -41.1% | Q4 2024 | |
| $617K | 0.37% | 0.00% | -34.0% | Q3 2024 | |
| $525K | 0.32% | 0.00% | -12.3% | Q3 2024 | |
| $456K | 0.27% | 0.00% | Not reported | Q1 2025 | |
| $426K | 0.26% | 0.00% | Not reported | Q3 2024 | |
| $420K | 0.25% | 0.00% | +1.1% | Q3 2024 | |
| $413K | 0.25% | 0.06% | Not reported | Q3 2024 | |
| $335K | 0.20% | 0.00% | Not reported | Q4 2024 | |
| $321K | 0.19% | 0.00% | Not reported | Q3 2024 | |
| Q1 2026Reported Apr 17, 202658 positions | |||||
| $9.02M | 6.05% | 0.00% | -0.5% | Q3 2024 | |
| $6.49M | 4.35% | 0.00% | -1.5% | Q3 2024 | |
| $5.81M | 3.89% | Not reported | +0.4% | Q3 2024 | |
| $4.84M | 3.25% | 0.00% | +0.3% | Q3 2024 | |
| $4.33M | 2.90% | Not reported | -0.2% | Q3 2024 | |
| $2.66M | 1.79% | 0.00% | +0.2% | Q3 2024 | |
| $2.61M | 1.75% | 0.00% | -2.7% | Q3 2024 | |
| $2.59M | 1.73% | Not reported | +0.1% | Q3 2024 | |
| $2.58M | 1.73% | 0.00% | +1.3% | Q3 2024 | |
| $2.32M | 1.56% | 0.00% | 0.0% | Q3 2024 | |
| $2.26M | 1.52% | Not reported | Not reported | Q3 2024 | |
| $2.23M | 1.49% | 0.00% | +1.7% | Q3 2024 | |
| $2.21M | 1.48% | 0.00% | +0.1% | Q3 2024 | |
| $2.11M | 1.41% | 0.00% | +0.3% | Q3 2024 | |
| $2M | 1.34% | 0.00% | +1.6% | Q3 2024 | |
| $1.97M | 1.32% | 0.00% | +1.1% | Q3 2024 | |
| $1.93M | 1.29% | 0.00% | +0.2% | Q4 2024 | |
| $1.73M | 1.16% | 0.02% | +2.6% | Q3 2024 | |
| $1.63M | 1.10% | 0.00% | +6.7% | Q3 2024 | |
| $1.6M | 1.08% | 0.00% | +25.9% | Q3 2024 | |
| $1.57M | 1.05% | 0.00% | +0.5% | Q3 2024 | |
| $1.52M | 1.02% | 0.03% | Not reported | Q4 2024 | |
| $1.49M | 1.00% | Not reported | -0.6% | Q3 2024 | |
| $1.46M | 0.98% | 0.01% | +1.2% | Q1 2025 | |
| $1.35M | 0.91% | 0.00% | +0.9% | Q3 2024 | |
| $1.28M | 0.86% | 0.13% | Not reported | Q3 2024 | |
| $1.24M | 0.83% | 0.00% | +0.5% | Q3 2024 | |
| $1.23M | 0.82% | 0.00% | +7.3% | Q3 2025 | |
| $1.22M | 0.82% | 0.00% | Not reported | Q4 2024 | |
| $1.17M | 0.79% | 0.00% | +0.6% | Q4 2024 | |
| $1.17M | 0.78% | 0.00% | +0.9% | Q3 2024 | |
| $1.15M | 0.77% | 0.00% | -6.8% | Q4 2024 | |
| $1.08M | 0.72% | 0.00% | +1.1% | Q4 2024 | |
| $1.06M | 0.71% | 0.00% | Not reported | Q3 2024 | |
| $1.01M | 0.68% | 0.00% | -0.5% | Q3 2024 | |
| $891K | 0.60% | 0.00% | +1.4% | Q4 2024 | |
| $884K | 0.59% | 0.00% | -2.5% | Q3 2024 | |
| $880K | 0.59% | 0.00% | -1.6% | Q3 2024 | |
| $800K | 0.54% | 0.00% | -3.0% | Q4 2024 | |
| $762K | 0.51% | 0.00% | +0.7% | Q4 2024 | |
| $694K | 0.47% | 0.21% | Not reported | Q3 2024 | |
| $645K | 0.43% | 0.00% | Not reported | Q3 2024 | |
| $582K | 0.39% | 0.00% | Not reported | Q3 2024 | |
| $502K | 0.34% | 0.00% | -3.3% | Q3 2024 | |
| $415K | 0.28% | 0.06% | +1.0% | Q3 2024 | |
| $382K | 0.26% | 0.00% | +2.1% | Q3 2024 | |
| $381K | 0.26% | 0.00% | -0.6% | Q3 2024 | |
| $369K | 0.25% | 0.00% | Not reported | Q3 2024 | |
| $318K | 0.21% | 0.00% | Not reported | Q4 2024 | |
| $295K | 0.20% | 0.00% | Not reported | Q3 2024 | |
| Q4 2025Reported Jan 21, 202659 positions | |||||
| $9.72M | 6.36% | 0.00% | -1.1% | Q3 2024 | |
| $7.3M | 4.78% | 0.00% | -2.2% | Q3 2024 | |
| $6.33M | 4.14% | Not reported | -2.0% | Q3 2024 | |
| $5.16M | 3.38% | 0.00% | -0.8% | Q3 2024 | |
| $5M | 3.28% | Not reported | -2.4% | Q3 2024 | |
| $2.91M | 1.91% | 0.00% | -4.4% | Q3 2024 | |
| $2.78M | 1.82% | 0.00% | -2.1% | Q3 2024 | |
| $2.71M | 1.77% | Not reported | -1.6% | Q3 2024 | |
| $2.65M | 1.73% | 0.00% | +1.5% | Q3 2024 | |
| $2.57M | 1.68% | 0.00% | -0.8% | Q3 2024 | |
| $2.46M | 1.61% | 0.00% | -1.4% | Q3 2024 | |
| $2.45M | 1.60% | 0.00% | -5.6% | Q3 2024 | |
| $2.37M | 1.55% | Not reported | -0.2% | Q3 2024 | |
| $2.23M | 1.46% | 0.13% | Not reported | Q3 2024 | |
| $2.16M | 1.41% | 0.00% | -0.1% | Q3 2024 | |
| $2.01M | 1.31% | 0.00% | -2.4% | Q3 2024 | |
| $1.87M | 1.22% | 0.00% | -3.9% | Q3 2024 | |
| $1.66M | 1.09% | 0.00% | -2.3% | Q3 2024 | |
| $1.62M | 1.06% | Not reported | -7.5% | Q3 2024 | |
| $1.61M | 1.06% | 0.00% | -1.9% | Q3 2024 | |
| $1.6M | 1.05% | 0.00% | -4.3% | Q3 2024 | |
| $1.42M | 0.93% | 0.00% | -1.8% | Q3 2024 | |
| $1.39M | 0.91% | 0.01% | +11.2% | Q1 2025 | |
| $1.37M | 0.90% | 0.00% | -2.8% | Q3 2024 | |
| $1.32M | 0.87% | 0.00% | -4.6% | Q3 2024 | |
| $1.29M | 0.84% | 0.00% | -8.9% | Q4 2024 | |
| $1.25M | 0.82% | 0.00% | +5.6% | Q4 2024 | |
| $1.24M | 0.81% | 0.00% | Not reported | Q4 2024 | |
| $1.22M | 0.80% | 0.02% | -5.9% | Q3 2024 | |
| $1.17M | 0.77% | 0.00% | -1.2% | Q3 2024 | |
| $1.14M | 0.75% | 0.00% | -4.7% | Q3 2024 | |
| $1.11M | 0.73% | 0.00% | +27.5% | Q4 2024 | |
| $1.09M | 0.72% | 0.00% | +4.6% | Q4 2024 | |
| $1.03M | 0.68% | 0.00% | -0.4% | Q3 2024 | |
| $1.02M | 0.67% | 0.00% | +3.5% | Q3 2025 | |
| $1.01M | 0.66% | 0.00% | -2.5% | Q3 2024 | |
| $937K | 0.61% | 0.00% | -2.0% | Q4 2024 | |
| $858K | 0.56% | 0.00% | +19.1% | Q4 2024 | |
| $838K | 0.55% | 0.01% | -7.0% | Q3 2024 | |
| $779K | 0.51% | 0.00% | Not reported | Q3 2024 | |
| $679K | 0.44% | 0.00% | -4.3% | Q3 2024 | |
| $665K | 0.44% | 0.00% | Not reported | Q3 2024 | |
| $609K | 0.40% | 0.21% | Not reported | Q3 2024 | |
| $468K | 0.31% | 0.00% | Not reported | Q3 2024 | |
| $413K | 0.27% | 0.06% | Not reported | Q3 2024 | |
| $411K | 0.27% | 0.00% | +35.4% | Q4 2024 | |
| $408K | 0.27% | 0.00% | -4.1% | Q3 2024 | |
| $390K | 0.26% | 0.00% | -7.9% | Q3 2024 | |
| $363K | 0.24% | 0.00% | -9.6% | Q3 2024 | |
| $289K | 0.19% | 0.00% | -1.1% | Q3 2025 | |
| Q3 2025Reported Oct 20, 202558 positions | |||||
| $9.2M | 6.12% | 0.00% | -4.3% | Q3 2024 | |
| $7.1M | 4.72% | 0.00% | +2.3% | Q3 2024 | |
| $5.7M | 3.79% | Not reported | -0.3% | Q3 2024 | |
| $5.2M | 3.46% | 0.00% | +2.2% | Q3 2024 | |
| $5.01M | 3.33% | Not reported | -0.1% | Q3 2024 | |
| $2.78M | 1.85% | 0.00% | +4.4% | Q3 2024 | |
| $2.77M | 1.84% | 0.00% | +1.0% | Q3 2024 | |
| $2.76M | 1.83% | 0.00% | +1.6% | Q3 2024 | |
| $2.75M | 1.83% | Not reported | +3.4% | Q3 2024 | |
| $2.58M | 1.72% | 0.00% | +10.5% | Q3 2024 | |
| $2.37M | 1.57% | 0.00% | -1.1% | Q3 2024 | |
| $2.34M | 1.55% | 0.13% | Not reported | Q3 2024 | |
| $2.32M | 1.55% | 0.00% | -6.7% | Q3 2024 | |
| $2.32M | 1.54% | Not reported | +0.3% | Q3 2024 | |
| $2.21M | 1.47% | 0.00% | +4.6% | Q3 2024 | |
| $1.85M | 1.23% | Not reported | -2.3% | Q3 2024 | |
| $1.83M | 1.22% | 0.00% | +1.8% | Q3 2024 | |
| $1.77M | 1.18% | 0.00% | +0.9% | Q3 2024 | |
| $1.72M | 1.14% | 0.00% | +10.3% | Q3 2024 | |
| $1.67M | 1.11% | 0.00% | -1.3% | Q4 2024 | |
| $1.62M | 1.08% | 0.00% | +1.7% | Q3 2024 | |
| $1.6M | 1.06% | 0.00% | +8.2% | Q3 2024 | |
| $1.5M | 0.99% | 0.00% | -2.2% | Q3 2024 | |
| $1.44M | 0.96% | 0.00% | +1.4% | Q4 2024 | |
| $1.42M | 0.94% | 0.00% | +3.9% | Q3 2024 | |
| $1.33M | 0.89% | 0.02% | +11.2% | Q3 2024 | |
| $1.33M | 0.89% | 0.01% | +5.5% | Q1 2025 | |
| $1.31M | 0.87% | 0.00% | +3.1% | Q3 2024 | |
| $1.26M | 0.84% | 0.00% | Not reported | Q3 2024 | |
| $1.16M | 0.77% | 0.00% | Not reported | Q3 2024 | |
| $1.16M | 0.77% | 0.00% | New | Q3 2025 | |
| $1.15M | 0.76% | 0.00% | Not reported | Q4 2024 | |
| $1.1M | 0.73% | 0.00% | +0.7% | Q3 2024 | |
| $993K | 0.66% | 0.01% | -2.3% | Q3 2024 | |
| $990K | 0.66% | 0.00% | -1.0% | Q3 2024 | |
| $893K | 0.59% | 0.00% | Not reported | Q4 2024 | |
| $869K | 0.58% | 0.21% | Not reported | Q3 2024 | |
| $811K | 0.54% | 0.00% | +4.0% | Q4 2024 | |
| $793K | 0.53% | 0.00% | -4.8% | Q3 2024 | |
| $706K | 0.47% | 0.00% | -9.7% | Q3 2024 | |
| $670K | 0.45% | 0.00% | +14.5% | Q4 2024 | |
| $663K | 0.44% | 0.00% | Not reported | Q3 2024 | |
| $536K | 0.36% | 0.00% | -2.0% | Q3 2024 | |
| $423K | 0.28% | 0.00% | +40.4% | Q3 2024 | |
| $421K | 0.28% | 0.00% | -0.1% | Q3 2024 | |
| $414K | 0.28% | 0.06% | Not reported | Q3 2024 | |
| $411K | 0.27% | 0.00% | New | Q3 2025 | |
| $399K | 0.27% | 0.00% | Not reported | Q3 2024 | |
| $398K | 0.26% | 0.00% | +39.1% | Q4 2024 | |
| $364K | 0.24% | 0.00% | -1.5% | Q3 2024 | |
Premium opens every quarter this fund has filed