Sei Investments Co
13F filer · CIK 0000350894Reported Aug 14, 2026
13F portfolio value$113.3BU.S. long equity reported on 13F
Positions2,971Not reported new · Not reported closed
Net flow last quarterNot reportedBuys minus sells
Top 10 positions weight16.9%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, 20262,971 positions | |||||
| $4.07B | 3.59% | 0.09% | +4.1% | Q2 2015 | |
| $2.44B | 2.16% | 0.06% | -24.9% | Q2 2015 | |
| $2.21B | 1.95% | 0.08% | -15.5% | Q2 2015 | |
| $2.1B | 1.85% | 0.09% | -10.0% | Q2 2015 | |
| $2.02B | 1.78% | Not reported | -2.5% | Q1 2016 | |
| $1.69B | 1.49% | 0.09% | -12.1% | Q1 2016 | |
| $1.42B | 1.25% | 0.03% | -4.7% | Q1 2016 | |
| $1.16B | 1.02% | Not reported | +4.4% | Q4 2022 | |
| $1.02B | 0.90% | Not reported | -8.2% | Q2 2015 | |
| $1.01B | 0.90% | 0.01% | -18.0% | Q2 2015 | |
| $992M | 0.87% | 0.08% | +7.1% | Q2 2015 | |
| $827M | 0.73% | 0.07% | -10.1% | Q2 2015 | |
| $744M | 0.66% | 0.08% | -26.6% | Q1 2016 | |
| $655M | 0.58% | 0.10% | +3.3% | Q2 2015 | |
| $584M | 0.51% | 0.36% | -3.3% | Q3 2015 | |
| $562M | 0.50% | 0.03% | -10.9% | Q2 2015 | |
| $520M | 0.46% | 0.07% | -9.0% | Q2 2015 | |
| $498M | 0.44% | 0.08% | -22.1% | Q2 2015 | |
| $446M | 0.39% | 0.12% | -11.5% | Q3 2021 | |
| $418M | 0.37% | 0.13% | -18.3% | Q2 2024 | |
| $418M | 0.37% | 1.65% | +8.5% | Q2 2015 | |
| $416M | 0.37% | 0.08% | -13.9% | Q2 2015 | |
| $409M | 0.36% | 0.07% | -18.0% | Q2 2015 | |
| $385M | 0.34% | 0.04% | -9.5% | Q2 2015 | |
| $366M | 0.32% | 0.06% | -22.8% | Q2 2015 | |
| $335M | 0.30% | 0.07% | -2.1% | Q2 2015 | |
| $310M | 0.27% | 0.06% | +39.0% | Q2 2015 | |
| $295M | 0.26% | 0.13% | -2.4% | Q2 2015 | |
| $291M | 0.26% | 0.15% | +13.7% | Q2 2015 | |
| $289M | 0.25% | 0.74% | -1.7% | Q2 2015 | |
| $286M | 0.25% | 0.43% | -3.4% | Q2 2015 | |
| $282M | 0.25% | 0.23% | -12.3% | Q2 2015 | |
| $281M | 0.25% | 0.07% | +3.1% | Q2 2015 | |
| $275M | 0.24% | 0.22% | -9.0% | Q2 2015 | |
| $274M | 0.24% | 0.37% | +29.8% | Q2 2015 | |
| $272M | 0.24% | 0.88% | -1.6% | Q2 2015 | |
| $272M | 0.24% | 0.13% | +159.0% | Q2 2015 | |
| $269M | 0.24% | 0.08% | +44.0% | Q2 2015 | |
| $266M | 0.23% | 1.57% | +1.3% | Q1 2018 | |
| $264M | 0.23% | 0.05% | -2.3% | Q2 2015 | |
| $262M | 0.23% | 0.12% | -17.1% | Q2 2015 | |
| $261M | 0.23% | Not reported | -6.3% | Q2 2015 | |
| $261M | 0.23% | 0.15% | +7.2% | Q2 2023 | |
| $259M | 0.23% | 0.11% | +0.9% | Q1 2019 | |
| $248M | 0.22% | 0.55% | -19.8% | Q4 2017 | |
| $240M | 0.21% | 0.06% | -17.1% | Q2 2015 | |
| $239M | 0.21% | 0.27% | +53.3% | Q2 2015 | |
| $238M | 0.21% | 0.19% | +4.6% | Q2 2015 | |
| $237M | 0.21% | 0.41% | -11.1% | Q1 2019 | |
| $236M | 0.21% | Not reported | -20.3% | Q2 2015 | |
| Q1 2026Reported May 13, 20262,926 positions | |||||
| $3.78B | 3.49% | 0.09% | +12.7% | Q2 2015 | |
| $2.86B | 2.63% | 0.08% | +19.3% | Q2 2015 | |
| $2.59B | 2.39% | 0.09% | -1.6% | Q2 2015 | |
| $2.19B | 2.02% | 0.10% | +10.2% | Q2 2015 | |
| $1.68B | 1.55% | Not reported | +29.2% | Q1 2016 | |
| $1.57B | 1.45% | 0.11% | +23.4% | Q1 2016 | |
| $1.2B | 1.11% | 0.03% | +8.7% | Q1 2016 | |
| $1.13B | 1.04% | Not reported | +15.3% | Q2 2015 | |
| $1.04B | 0.96% | Not reported | +2.4% | Q4 2022 | |
| $876M | 0.81% | 0.01% | +11.8% | Q2 2015 | |
| $706M | 0.65% | 0.08% | +19.2% | Q2 2015 | |
| $621M | 0.57% | 0.10% | +5.0% | Q2 2015 | |
| $558M | 0.51% | 0.10% | -0.2% | Q2 2015 | |
| $558M | 0.51% | 0.04% | +17.0% | Q2 2015 | |
| $526M | 0.48% | 0.38% | +10.3% | Q3 2015 | |
| $502M | 0.46% | 0.12% | +9.9% | Q2 2015 | |
| $479M | 0.44% | 0.08% | +16.4% | Q2 2015 | |
| $383M | 0.35% | 0.13% | +36.0% | Q3 2021 | |
| $382M | 0.35% | 0.05% | +35.3% | Q2 2015 | |
| $380M | 0.35% | 0.16% | -16.1% | Q2 2024 | |
| $379M | 0.35% | 0.07% | +223.7% | Q2 2015 | |
| $363M | 0.34% | 0.36% | +1.8% | Q2 2018 | |
| $355M | 0.33% | 0.11% | +34.0% | Q1 2016 | |
| $352M | 0.32% | 0.26% | +96.5% | Q1 2018 | |
| $335M | 0.31% | 0.05% | +32.0% | Q2 2015 | |
| $324M | 0.30% | 1.52% | +12.5% | Q2 2015 | |
| $321M | 0.30% | 0.69% | +7.5% | Q4 2017 | |
| $311M | 0.29% | 0.09% | +88.8% | Q1 2022 | |
| $297M | 0.27% | 0.47% | +1.0% | Q2 2015 | |
| $295M | 0.27% | 0.74% | +8.7% | Q2 2015 | |
| $295M | 0.27% | 0.24% | +0.5% | Q2 2015 | |
| $295M | 0.27% | 0.26% | +55.9% | Q2 2015 | |
| $292M | 0.27% | 0.18% | -4.2% | Q2 2015 | |
| $287M | 0.26% | 0.14% | +30.6% | Q2 2015 | |
| $285M | 0.26% | 0.11% | +31.9% | Q2 2020 | |
| $283M | 0.26% | Not reported | +10.3% | Q2 2015 | |
| $275M | 0.25% | 0.11% | +19.0% | Q2 2015 | |
| $272M | 0.25% | 0.13% | +36.5% | Q2 2015 | |
| $271M | 0.25% | 0.07% | +39.5% | Q2 2015 | |
| $257M | 0.24% | 0.27% | +11.8% | Q2 2015 | |
| $253M | 0.23% | 0.09% | +13.9% | Q2 2015 | |
| $251M | 0.23% | 0.90% | +3.6% | Q2 2015 | |
| $248M | 0.23% | 0.07% | +18.6% | Q2 2015 | |
| $245M | 0.23% | 0.11% | +6.0% | Q1 2019 | |
| $245M | 0.23% | 0.12% | +13.9% | Q2 2015 | |
| $245M | 0.23% | 0.23% | +0.7% | Q2 2015 | |
| $238M | 0.22% | 0.09% | -3.4% | Q2 2015 | |
| $232M | 0.21% | 0.09% | +89.7% | Q2 2015 | |
| $231M | 0.21% | 0.33% | +83.6% | Q2 2015 | |
| $230M | 0.21% | 0.36% | +11.3% | Q3 2019 | |
| Q4 2025Reported Feb 13, 20262,838 positions | |||||
| $3.59B | 3.54% | 0.08% | -0.5% | Q2 2015 | |
| $3.44B | 3.39% | 0.10% | +6.2% | Q2 2015 | |
| $2.56B | 2.53% | 0.06% | +6.2% | Q2 2015 | |
| $2.2B | 2.17% | 0.09% | +15.7% | Q2 2015 | |
| $1.42B | 1.41% | 0.09% | +19.7% | Q1 2016 | |
| $1.42B | 1.40% | Not reported | +14.9% | Q1 2016 | |
| $1.2B | 1.19% | 0.03% | +2.9% | Q1 2016 | |
| $1.13B | 1.11% | Not reported | -4.8% | Q2 2015 | |
| $1B | 0.99% | Not reported | +4.5% | Q4 2022 | |
| $704M | 0.70% | 0.01% | +19.0% | Q2 2015 | |
| $692M | 0.68% | 0.07% | +14.5% | Q2 2015 | |
| $676M | 0.67% | 0.10% | +14.2% | Q2 2015 | |
| $649M | 0.64% | 0.10% | +8.3% | Q2 2015 | |
| $576M | 0.57% | 0.03% | +3.1% | Q2 2015 | |
| $447M | 0.44% | 0.35% | +4.5% | Q3 2015 | |
| $446M | 0.44% | 0.11% | -16.5% | Q2 2015 | |
| $442M | 0.44% | 0.08% | -11.2% | Q2 2015 | |
| $427M | 0.42% | 0.36% | +24.0% | Q2 2018 | |
| $405M | 0.40% | 0.64% | -6.0% | Q4 2017 | |
| $374M | 0.37% | 0.19% | +61.5% | Q2 2015 | |
| $349M | 0.34% | 0.07% | +10.8% | Q2 2015 | |
| $346M | 0.34% | 0.19% | -0.4% | Q2 2015 | |
| $340M | 0.34% | 0.19% | +92.1% | Q2 2024 | |
| $323M | 0.32% | 0.68% | -7.6% | Q2 2015 | |
| $311M | 0.31% | 0.19% | -6.4% | Q2 2015 | |
| $309M | 0.31% | 0.04% | +6.5% | Q2 2015 | |
| $306M | 0.30% | 0.09% | +4.8% | Q3 2021 | |
| $299M | 0.30% | 1.33% | -5.3% | Q1 2018 | |
| $295M | 0.29% | 0.18% | -2.8% | Q2 2015 | |
| $291M | 0.29% | 0.39% | -26.8% | Q3 2020 | |
| $284M | 0.28% | 0.24% | +3.9% | Q2 2015 | |
| $279M | 0.28% | 0.08% | -26.7% | Q1 2016 | |
| $278M | 0.27% | 0.53% | +5.8% | Q1 2019 | |
| $274M | 0.27% | 0.18% | +11.7% | Q2 2016 | |
| $273M | 0.27% | 0.12% | -9.0% | Q2 2023 | |
| $270M | 0.27% | Not reported | +36.4% | Q2 2015 | |
| $252M | 0.25% | 0.47% | +14.4% | Q2 2015 | |
| $248M | 0.24% | 0.16% | +36.3% | Q2 2015 | |
| $243M | 0.24% | 0.08% | +18.0% | Q2 2015 | |
| $243M | 0.24% | 1.34% | +4.2% | Q2 2015 | |
| $239M | 0.24% | 0.15% | -16.0% | Q2 2015 | |
| $236M | 0.23% | 0.04% | +25.5% | Q2 2015 | |
| $236M | 0.23% | 0.06% | +39.2% | Q2 2015 | |
| $230M | 0.23% | 0.23% | +74.0% | Q2 2015 | |
| $229M | 0.23% | 0.08% | +35.0% | Q2 2015 | |
| $228M | 0.22% | Not reported | +28.1% | Q4 2020 | |
| $228M | 0.22% | 0.13% | -13.2% | Q1 2018 | |
| $224M | 0.22% | 0.09% | +29.5% | Q2 2015 | |
| $221M | 0.22% | 0.11% | +13.5% | Q2 2015 | |
| $213M | 0.21% | 0.12% | +8.8% | Q2 2015 | |
| Q3 2025Reported Nov 13, 20252,561 positions | |||||
| $3.61B | 3.88% | 0.08% | +12.1% | Q2 2015 | |
| $3.47B | 3.73% | 0.09% | +2.2% | Q2 2015 | |
| $2.26B | 2.43% | 0.06% | +18.5% | Q2 2015 | |
| $1.81B | 1.94% | 0.08% | +0.4% | Q2 2015 | |
| $1.32B | 1.42% | Not reported | +1.4% | Q2 2015 | |
| $1.13B | 1.22% | 0.07% | +3.7% | Q1 2016 | |
| $961M | 1.03% | Not reported | +72.4% | Q1 2016 | |
| $932M | 1.00% | Not reported | +5.2% | Q4 2022 | |
| $907M | 0.97% | 0.03% | +7.0% | Q1 2016 | |
| $718M | 0.77% | 0.09% | +7.6% | Q2 2015 | |
| $683M | 0.73% | 0.13% | -8.3% | Q2 2015 | |
| $590M | 0.63% | 0.08% | -1.2% | Q2 2015 | |
| $583M | 0.63% | 0.09% | -12.9% | Q2 2015 | |
| $553M | 0.59% | 0.04% | +12.0% | Q2 2015 | |
| $544M | 0.58% | 0.01% | -17.7% | Q2 2015 | |
| $443M | 0.48% | 1.40% | +5.4% | Q1 2018 | |
| $429M | 0.46% | 0.06% | -16.0% | Q2 2015 | |
| $414M | 0.45% | 0.29% | +15.1% | Q2 2018 | |
| $411M | 0.44% | 0.34% | -8.6% | Q3 2015 | |
| $408M | 0.44% | 0.53% | +13.6% | Q3 2020 | |
| $397M | 0.43% | 0.68% | +3.4% | Q4 2017 | |
| $365M | 0.39% | 0.19% | +7.1% | Q2 2015 | |
| $358M | 0.39% | 0.19% | 0.0% | Q2 2015 | |
| $342M | 0.37% | 0.73% | +0.3% | Q2 2015 | |
| $332M | 0.36% | 0.28% | +20.6% | Q3 2015 | |
| $321M | 0.34% | 0.13% | +7.1% | Q2 2023 | |
| $304M | 0.33% | 0.20% | +117.5% | Q2 2015 | |
| $287M | 0.31% | 0.11% | +85.6% | Q1 2016 | |
| $285M | 0.31% | 0.09% | +5.5% | Q3 2021 | |
| $284M | 0.31% | 0.03% | +5.5% | Q2 2015 | |
| $282M | 0.30% | 0.06% | +14.7% | Q2 2015 | |
| $264M | 0.28% | 0.15% | -17.6% | Q1 2018 | |
| $264M | 0.28% | 0.29% | +88.0% | Q2 2015 | |
| $247M | 0.27% | 0.18% | -22.4% | Q2 2015 | |
| $246M | 0.26% | 0.42% | -8.2% | Q2 2015 | |
| $245M | 0.26% | 0.23% | -10.4% | Q2 2015 | |
| $235M | 0.25% | 0.85% | +4.5% | Q2 2015 | |
| $230M | 0.25% | 0.51% | -1.3% | Q1 2019 | |
| $229M | 0.25% | 0.16% | +18.1% | Q2 2016 | |
| $224M | 0.24% | 0.15% | -8.7% | Q2 2015 | |
| $216M | 0.23% | 0.15% | +7.6% | Q2 2015 | |
| $214M | 0.23% | Not reported | +15.3% | Q4 2020 | |
| $209M | 0.23% | 0.09% | +1.6% | Q1 2019 | |
| $198M | 0.21% | 0.05% | +7.9% | Q1 2022 | |
| $198M | 0.21% | Not reported | +4.9% | Q2 2015 | |
| $196M | 0.21% | 0.05% | +22.9% | Q2 2015 | |
| $195M | 0.21% | 1.29% | +8.4% | Q2 2015 | |
| $195M | 0.21% | 0.16% | +75.3% | Q2 2015 | |
| $191M | 0.21% | 0.23% | +70.6% | Q2 2015 | |
| $190M | 0.20% | 0.11% | +7.7% | Q2 2015 | |
Premium opens every quarter this fund has filed