Rush Island Management, LP
13F filer · CIK 0001736465Reported Aug 14, 2026
Net seller this quarter
13F portfolio value$1.51BU.S. long equity reported on 13F
Positions228 new · 8 closed
Net flow last quarter-$186MBuys minus sells
Top 10 positions weight67.2%Concentration
Holdings
13F · last 4 quarters freeScroll for earlier quarters
| Company | Value | % of portfolio | % of company | POSITION CHANGE qoq % | First reported |
|---|---|---|---|---|---|
| Q2 2026Reported Aug 14, 202622 positions | |||||
| $137M | 9.10% | 0.77% | +7.3% | Q4 2019 | |
| $128M | 8.47% | 0.68% | -45.7% | Q1 2023 | |
| $115M | 7.63% | 1.29% | -20.2% | Q3 2021 | |
| $110M | 7.31% | 2.53% | -39.4% | Q3 2022 | |
| $105M | 6.97% | 1.52% | -27.8% | Q1 2023 | |
| $98.9M | 6.55% | 0.22% | -20.6% | Q1 2020 | |
| $82.1M | 5.44% | 1.65% | +163.4% | Q2 2024 | |
| $80.5M | 5.34% | 0.43% | -53.4% | Q3 2024 | |
| $78.6M | 5.21% | 0.97% | -26.9% | Q2 2020 | |
| $77.6M | 5.14% | 3.56% | New | Q2 2026 | |
| $66.4M | 4.40% | 0.26% | Not reported | Q4 2020 | |
| $66.3M | 4.39% | 0.09% | New | Q2 2026 | |
| $66.2M | 4.39% | 0.70% | +29.0% | Q1 2026 | |
| $63M | 4.18% | 0.43% | New | Q2 2026 | |
| $52.1M | 3.45% | 0.73% | Not reported | Q4 2018 | |
| $48.7M | 3.22% | 0.75% | +30.5% | Q4 2018 | |
| $38.7M | 2.56% | 0.98% | -33.0% | Q3 2021 | |
| $37.8M | 2.50% | 9.07% | New | Q2 2026 | |
| $19.5M | 1.29% | 0.07% | Not reported | Q4 2019 | |
| $17.9M | 1.18% | 8.58% | +1.2% | Q4 2023 | |
| $10M | 0.66% | 0.13% | New | Q2 2026 | |
| $8.92M | 0.59% | 0.41% | -54.9% | Q2 2025 | |
| Q1 2026Reported May 15, 202622 positions | |||||
| $196M | 13.12% | 1.26% | +26.8% | Q1 2023 | |
| $168M | 11.30% | 0.92% | -16.9% | Q3 2024 | |
| $137M | 9.20% | 4.18% | +84.5% | Q3 2022 | |
| $130M | 8.74% | 1.63% | -19.1% | Q3 2021 | |
| $123M | 8.24% | 2.09% | -19.8% | Q1 2023 | |
| $115M | 7.70% | 0.29% | -14.1% | Q1 2020 | |
| $105M | 7.06% | 0.71% | Not reported | Q4 2019 | |
| $101M | 6.81% | 1.32% | -15.6% | Q2 2020 | |
| $67.8M | 4.55% | 0.74% | -50.3% | Q2 2021 | |
| $51.5M | 3.45% | 1.47% | Not reported | Q3 2021 | |
| $51.1M | 3.43% | 0.56% | New | Q1 2026 | |
| $37.9M | 2.54% | 0.58% | Not reported | Q4 2018 | |
| $35.5M | 2.38% | 1.09% | +5.8% | Q1 2024 | |
| $32.3M | 2.17% | 1.27% | -1.7% | Q3 2025 | |
| $30.7M | 2.06% | 0.63% | Not reported | Q2 2024 | |
| $24M | 1.61% | 8.47% | +11.4% | Q4 2023 | |
| $19.5M | 1.31% | 0.12% | New | Q1 2026 | |
| $17.1M | 1.15% | 0.63% | Not reported | Q2 2021 | |
| $17.1M | 1.15% | 0.63% | -13.5% | Q4 2024 | |
| $16.5M | 1.10% | 0.91% | -21.5% | Q2 2025 | |
| $7.07M | 0.47% | Not reported | New | Q1 2026 | |
| $7.04M | 0.47% | 0.46% | New | Q1 2026 | |
| Q4 2025Reported Feb 17, 202617 positions | |||||
| $228M | 14.23% | 1.11% | +24.8% | Q3 2024 | |
| $167M | 10.42% | 0.99% | +7.3% | Q1 2023 | |
| $153M | 9.54% | 2.56% | +15.4% | Q1 2023 | |
| $152M | 9.49% | 2.02% | +24.9% | Q3 2021 | |
| $131M | 8.17% | 1.09% | New | Q4 2025 | |
| $130M | 8.09% | 1.49% | -2.0% | Q2 2021 | |
| $126M | 7.90% | 0.34% | -7.7% | Q1 2020 | |
| $119M | 7.44% | 1.57% | +1.3% | Q2 2020 | |
| $113M | 7.06% | 0.21% | -3.9% | Q2 2021 | |
| $98.4M | 6.15% | 2.23% | -5.7% | Q3 2022 | |
| $37.7M | 2.35% | 1.03% | Not reported | Q1 2024 | |
| $35.3M | 2.21% | 1.31% | Not reported | Q3 2025 | |
| NSNSANational Storage Affiliates Trust | $33.8M | 2.11% | 1.55% | New | Q4 2025 |
| $25.6M | 1.60% | 7.60% | +19.8% | Q4 2023 | |
| $18.1M | 1.13% | 1.16% | +142.5% | Q2 2025 | |
| $17.8M | 1.11% | 0.73% | +0.1% | Q4 2024 | |
| $15.6M | 0.98% | 0.91% | New | Q4 2025 | |
| Q3 2025Reported Nov 14, 202517 positions | |||||
| $182M | 12.51% | 0.88% | +161.6% | Q3 2024 | |
| $159M | 10.90% | 0.92% | Not reported | Q1 2023 | |
| $141M | 9.64% | 2.22% | -45.3% | Q1 2023 | |
| $133M | 9.11% | 1.52% | -18.3% | Q2 2021 | |
| $131M | 8.96% | 1.62% | -7.0% | Q3 2021 | |
| $127M | 8.69% | 0.23% | -12.2% | Q2 2021 | |
| $124M | 8.49% | 0.38% | -31.3% | Q1 2020 | |
| $118M | 8.09% | 2.36% | -31.1% | Q3 2022 | |
| $106M | 7.25% | 1.55% | +23.7% | Q2 2020 | |
| $85.8M | 5.88% | Not reported | +21.5% | Q1 2025 | |
| $34.7M | 2.38% | 1.95% | Not reported | Q1 2019 | |
| $34.6M | 2.37% | 1.31% | New | Q3 2025 | |
| $30M | 2.06% | 6.35% | +21.1% | Q4 2023 | |
| $19.9M | 1.36% | 0.23% | New | Q3 2025 | |
| $17.1M | 1.17% | 0.73% | Not reported | Q4 2024 | |
| $11.1M | 0.76% | 0.48% | -87.2% | Q2 2025 | |
| $5.52M | 0.38% | 0.15% | New | Q3 2025 | |
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