Loomis Sayles & Co L P
13F filer · CIK 0000312348Reported Aug 14, 2026
Net seller this quarter
13F portfolio value$79.8BU.S. long equity reported on 13F
Positions63258 new · 60 closed
Net flow last quarter-$1.48BBuys minus sells
Top 10 positions weight53.0%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, 2026632 positions | |||||
| $7.9B | 9.91% | 0.16% | -3.6% | Q2 2015 | |
| $6.15B | 7.71% | 0.14% | -0.7% | Q4 2015 | |
| $5.33B | 6.68% | 0.32% | +0.2% | Q3 2013 | |
| $4.36B | 5.46% | 0.17% | -0.2% | Q3 2013 | |
| $4.23B | 5.30% | Not reported | +0.7% | Q3 2013 | |
| $3.13B | 3.92% | 0.49% | -1.6% | Q3 2013 | |
| $3.01B | 3.78% | 1.77% | -1.0% | Q3 2015 | |
| $2.9B | 3.64% | 0.10% | +28.3% | Q3 2013 | |
| $2.86B | 3.58% | 0.96% | +5.4% | Q3 2013 | |
| $2.45B | 3.07% | 0.58% | -0.8% | Q3 2013 | |
| $2.39B | 2.99% | 2.54% | -4.1% | Q3 2013 | |
| $1.95B | 2.44% | 1.55% | -2.1% | Q3 2013 | |
| $1.65B | 2.06% | 3.67% | 0.0% | Q2 2021 | |
| $1.31B | 1.64% | 0.78% | -3.0% | Q2 2016 | |
| $1.23B | 1.54% | 3.00% | +10.4% | Q3 2013 | |
| $1.16B | 1.45% | 1.97% | -2.8% | Q3 2013 | |
| $1.01B | 1.27% | 0.79% | +6.5% | Q1 2020 | |
| $960M | 1.20% | Not reported | -4.6% | Q4 2015 | |
| $933M | 1.17% | 0.80% | -2.6% | Q3 2013 | |
| $896M | 1.12% | 4.23% | -2.1% | Q3 2013 | |
| $891M | 1.12% | Not reported | +9.3% | Q1 2014 | |
| $867M | 1.09% | 0.51% | -0.5% | Q3 2013 | |
| $821M | 1.03% | 0.27% | -3.4% | Q3 2013 | |
| $744M | 0.93% | 7.07% | -1.7% | Q3 2013 | |
| $659M | 0.83% | 0.36% | -3.6% | Q3 2013 | |
| $659M | 0.83% | 0.47% | -2.6% | Q4 2013 | |
| $609M | 0.76% | 0.44% | +11.1% | Q1 2018 | |
| $587M | 0.74% | 1.33% | -1.8% | Q1 2014 | |
| $558M | 0.70% | Not reported | -1.1% | Q1 2016 | |
| $373M | 0.47% | 0.06% | +18.0% | Q3 2013 | |
| $340M | 0.43% | 1.28% | -34.4% | Q2 2017 | |
| $331M | 0.42% | 0.28% | +20.7% | Q2 2016 | |
| $331M | 0.42% | 4.05% | -2.6% | Q3 2013 | |
| $329M | 0.41% | 0.02% | +1283.8% | Q4 2017 | |
| $320M | 0.40% | 0.46% | -1.5% | Q4 2015 | |
| $291M | 0.36% | 0.27% | +16.6% | Q1 2020 | |
| $281M | 0.35% | 1.04% | +10.4% | Q1 2020 | |
| $278M | 0.35% | 0.07% | -8.7% | Q3 2023 | |
| $254M | 0.32% | 0.26% | +6.1% | Q2 2015 | |
| $232M | 0.29% | 0.00% | -25.7% | Q1 2020 | |
| $232M | 0.29% | 0.06% | -38.4% | Q3 2013 | |
| $211M | 0.26% | 0.25% | +36.4% | Q3 2013 | |
| $204M | 0.26% | 0.17% | -14.6% | Q3 2015 | |
| $201M | 0.25% | 0.27% | -16.3% | Q3 2015 | |
| $194M | 0.24% | 0.07% | -10.2% | Q3 2013 | |
| $191M | 0.24% | 0.13% | -5.3% | Q3 2013 | |
| $191M | 0.24% | 0.02% | -9.0% | Q3 2013 | |
| $187M | 0.23% | 0.25% | -3.4% | Q3 2013 | |
| $175M | 0.22% | 0.43% | +13.3% | Q2 2021 | |
| $167M | 0.21% | 0.04% | -7.4% | Q3 2013 | |
| Q1 2026Reported May 14, 2026632 positions | |||||
| $7.15B | 9.61% | 0.17% | +1.6% | Q2 2015 | |
| $4.99B | 6.71% | 0.14% | +1.2% | Q4 2015 | |
| $4.7B | 6.33% | 0.34% | 0.0% | Q3 2013 | |
| $4.26B | 5.73% | Not reported | +0.6% | Q3 2013 | |
| $3.82B | 5.13% | 0.17% | +2.0% | Q3 2013 | |
| $3.65B | 4.91% | 0.90% | +2.0% | Q3 2013 | |
| $2.8B | 3.77% | 1.79% | -0.7% | Q3 2015 | |
| $2.8B | 3.76% | 0.49% | +0.4% | Q3 2013 | |
| $2.48B | 3.33% | 0.59% | +3.9% | Q3 2013 | |
| $2.24B | 3.02% | 0.08% | +1.1% | Q3 2013 | |
| $1.88B | 2.53% | 2.65% | -1.4% | Q3 2013 | |
| $1.79B | 2.41% | 1.58% | -0.7% | Q3 2013 | |
| $1.71B | 2.30% | 3.66% | -0.5% | Q2 2021 | |
| $1.48B | 1.99% | 2.03% | -1.1% | Q3 2013 | |
| $1.37B | 1.85% | 2.72% | -1.0% | Q3 2013 | |
| $1.35B | 1.81% | 0.79% | -1.3% | Q2 2016 | |
| $1.13B | 1.52% | 0.66% | -0.2% | Q1 2020 | |
| $840M | 1.13% | 0.82% | -1.1% | Q3 2013 | |
| $829M | 1.12% | 0.28% | -2.0% | Q3 2013 | |
| $817M | 1.10% | Not reported | -1.3% | Q4 2015 | |
| $804M | 1.08% | 4.25% | -1.4% | Q3 2013 | |
| $784M | 1.05% | 0.48% | -0.9% | Q4 2013 | |
| $774M | 1.04% | 0.51% | -0.4% | Q3 2013 | |
| $677M | 0.91% | 7.17% | -1.3% | Q3 2013 | |
| $670M | 0.90% | 0.37% | -1.1% | Q3 2013 | |
| $625M | 0.84% | Not reported | -0.7% | Q1 2014 | |
| $582M | 0.78% | 1.35% | -1.2% | Q1 2014 | |
| $541M | 0.73% | 0.40% | -1.5% | Q3 2013 | |
| $517M | 0.70% | 0.39% | +6096.5% | Q1 2018 | |
| $447M | 0.60% | Not reported | -1.3% | Q1 2016 | |
| $419M | 0.56% | 0.46% | -0.5% | Q4 2015 | |
| $363M | 0.49% | 1.92% | -29.5% | Q2 2017 | |
| $321M | 0.43% | 4.06% | -1.2% | Q3 2013 | |
| $307M | 0.41% | 0.05% | +4.9% | Q3 2013 | |
| $287M | 0.39% | 0.23% | +6.0% | Q2 2016 | |
| $286M | 0.39% | 0.71% | -1.5% | Q3 2016 | |
| $270M | 0.36% | 0.95% | -0.8% | Q1 2020 | |
| $221M | 0.30% | 0.00% | -16.9% | Q1 2020 | |
| $221M | 0.30% | 0.32% | -19.8% | Q3 2015 | |
| $219M | 0.29% | 0.19% | -37.4% | Q3 2015 | |
| $211M | 0.28% | 0.23% | +6.0% | Q1 2020 | |
| $209M | 0.28% | 1.22% | -0.5% | Q4 2016 | |
| $202M | 0.27% | 0.13% | -23.7% | Q3 2013 | |
| $195M | 0.26% | 0.25% | -12.9% | Q3 2013 | |
| $192M | 0.26% | 0.04% | -8.8% | Q3 2013 | |
| $188M | 0.25% | 0.02% | -9.6% | Q3 2013 | |
| $184M | 0.25% | 0.10% | -9.7% | Q3 2013 | |
| $181M | 0.24% | 0.24% | -33.3% | Q2 2015 | |
| $180M | 0.24% | 0.07% | -14.3% | Q3 2013 | |
| $169M | 0.23% | 0.39% | +4.8% | Q2 2021 | |
| Q4 2025Reported Feb 12, 2026606 positions | |||||
| $7.52B | 9.07% | 0.17% | -1.4% | Q2 2015 | |
| $5.69B | 6.86% | 0.34% | -0.7% | Q3 2013 | |
| $5.37B | 6.47% | 0.14% | -0.2% | Q4 2015 | |
| $4.89B | 5.89% | Not reported | -0.4% | Q3 2013 | |
| $4.15B | 5.00% | 0.17% | -1.5% | Q3 2013 | |
| $3.49B | 4.21% | 0.88% | +0.2% | Q3 2013 | |
| $3.23B | 3.90% | 0.49% | -0.4% | Q3 2013 | |
| $3.16B | 3.81% | 0.56% | -1.4% | Q3 2013 | |
| $3.07B | 3.71% | 1.40% | -1.5% | Q3 2015 | |
| $2.9B | 3.50% | 0.08% | -1.7% | Q3 2013 | |
| $2.33B | 2.81% | 3.68% | -2.3% | Q2 2021 | |
| $2.01B | 2.43% | 2.69% | -2.4% | Q3 2013 | |
| $1.83B | 2.20% | 1.59% | -2.2% | Q3 2013 | |
| $1.72B | 2.07% | 2.73% | -2.3% | Q3 2013 | |
| $1.61B | 1.95% | 0.79% | -2.4% | Q2 2016 | |
| $1.61B | 1.94% | 0.65% | -3.0% | Q1 2020 | |
| $1.49B | 1.80% | 2.05% | -2.3% | Q3 2013 | |
| $972M | 1.17% | 0.48% | -2.3% | Q4 2013 | |
| $906M | 1.09% | Not reported | -6.6% | Q4 2015 | |
| $872M | 1.05% | Not reported | +6.0% | Q1 2014 | |
| $848M | 1.02% | 4.25% | -2.4% | Q3 2013 | |
| $799M | 0.96% | 0.37% | -2.4% | Q3 2013 | |
| $798M | 0.96% | 0.83% | -2.5% | Q3 2013 | |
| $763M | 0.92% | 0.29% | -2.3% | Q3 2013 | |
| $729M | 0.88% | 0.40% | -10.7% | Q3 2013 | |
| $717M | 0.86% | 7.15% | -2.6% | Q3 2013 | |
| $643M | 0.77% | 0.51% | -3.1% | Q3 2013 | |
| $573M | 0.69% | 1.36% | -2.3% | Q1 2014 | |
| $547M | 0.66% | 2.73% | -2.7% | Q2 2017 | |
| $507M | 0.61% | 0.47% | +21.0% | Q4 2015 | |
| $490M | 0.59% | Not reported | -2.6% | Q1 2016 | |
| $450M | 0.54% | 0.95% | -2.4% | Q1 2020 | |
| $434M | 0.52% | 4.03% | -2.5% | Q3 2013 | |
| $375M | 0.45% | 0.70% | -2.7% | Q3 2016 | |
| $343M | 0.41% | 0.31% | -4.3% | Q3 2015 | |
| $335M | 0.40% | 0.05% | -4.4% | Q3 2013 | |
| $332M | 0.40% | 0.21% | -5.3% | Q2 2016 | |
| $294M | 0.35% | 0.18% | -4.2% | Q3 2013 | |
| $260M | 0.31% | 0.39% | -4.2% | Q3 2015 | |
| $257M | 0.31% | 0.36% | -9.6% | Q2 2015 | |
| $239M | 0.29% | 0.00% | -7.6% | Q1 2020 | |
| $235M | 0.28% | 0.76% | -4.2% | Q3 2013 | |
| $231M | 0.28% | 0.07% | -5.8% | Q3 2013 | |
| $228M | 0.28% | 0.03% | -4.9% | Q3 2013 | |
| $221M | 0.27% | 0.29% | -4.3% | Q3 2013 | |
| $219M | 0.26% | 0.08% | -5.7% | Q3 2013 | |
| $206M | 0.25% | 1.22% | -2.4% | Q4 2016 | |
| $194M | 0.23% | 0.37% | -2.4% | Q2 2021 | |
| $192M | 0.23% | 0.41% | -4.3% | Q3 2013 | |
| $189M | 0.23% | 0.09% | -9.3% | Q1 2019 | |
| Q3 2025Reported Nov 13, 2025620 positions | |||||
| $7.63B | 9.08% | 0.17% | -2.5% | Q2 2015 | |
| $5.67B | 6.74% | 0.38% | -1.3% | Q3 2013 | |
| $5.46B | 6.50% | Not reported | -1.2% | Q3 2013 | |
| $4.62B | 5.50% | 0.58% | -2.9% | Q3 2013 | |
| $4.46B | 5.30% | 0.88% | -0.5% | Q3 2013 | |
| $4.18B | 4.97% | 0.14% | -1.3% | Q4 2015 | |
| $4.01B | 4.76% | 0.17% | -5.3% | Q3 2013 | |
| $3.16B | 3.76% | 0.49% | +2.7% | Q3 2013 | |
| $3.16B | 3.76% | 0.08% | -1.2% | Q3 2013 | |
| $3.1B | 3.69% | 1.90% | +0.3% | Q3 2015 | |
| $2.2B | 2.62% | 3.77% | +1.3% | Q2 2021 | |
| $1.88B | 2.24% | 2.78% | +1.7% | Q3 2013 | |
| $1.81B | 2.15% | 2.75% | +1.7% | Q3 2013 | |
| $1.66B | 1.98% | 0.76% | +1.3% | Q2 2016 | |
| $1.61B | 1.92% | 1.62% | +8.1% | Q3 2013 | |
| $1.48B | 1.76% | 0.66% | -0.2% | Q1 2020 | |
| $1.11B | 1.32% | 2.10% | +2.0% | Q3 2013 | |
| $897M | 1.07% | Not reported | +28.5% | Q1 2014 | |
| $823M | 0.98% | 0.86% | +1.4% | Q3 2013 | |
| $794M | 0.94% | 0.44% | -0.3% | Q3 2013 | |
| $785M | 0.93% | 0.49% | +1.6% | Q4 2013 | |
| $762M | 0.91% | 7.32% | +1.5% | Q3 2013 | |
| $752M | 0.89% | Not reported | -6.2% | Q4 2015 | |
| $726M | 0.86% | 0.29% | +1.5% | Q3 2013 | |
| $715M | 0.85% | 4.35% | +1.6% | Q3 2013 | |
| $685M | 0.81% | 0.38% | -0.1% | Q3 2013 | |
| $652M | 0.77% | 0.53% | +2.8% | Q3 2013 | |
| $589M | 0.70% | 1.40% | +0.8% | Q1 2014 | |
| $558M | 0.66% | Not reported | +1.7% | Q1 2016 | |
| $517M | 0.61% | 0.98% | +1.8% | Q1 2020 | |
| $459M | 0.55% | 0.38% | +0.9% | Q4 2015 | |
| $443M | 0.53% | 0.70% | +1.2% | Q3 2016 | |
| $439M | 0.52% | 4.07% | +1.6% | Q3 2013 | |
| $407M | 0.48% | 2.79% | +1.5% | Q2 2017 | |
| $349M | 0.42% | 0.05% | -0.9% | Q3 2013 | |
| $334M | 0.40% | 0.18% | +11.4% | Q3 2013 | |
| $327M | 0.39% | 0.22% | -1.1% | Q2 2016 | |
| $309M | 0.37% | 0.32% | +5.8% | Q3 2015 | |
| $289M | 0.34% | 0.07% | +21.0% | Q3 2013 | |
| $273M | 0.32% | 0.30% | -1.1% | Q3 2013 | |
| $245M | 0.29% | 0.41% | +52.6% | Q3 2015 | |
| $238M | 0.28% | 0.00% | -4.1% | Q1 2020 | |
| $235M | 0.28% | 0.40% | -1.1% | Q2 2015 | |
| $235M | 0.28% | 0.03% | -3.6% | Q3 2013 | |
| $232M | 0.28% | 0.10% | -1.1% | Q1 2019 | |
| $228M | 0.27% | 0.38% | +2.7% | Q2 2021 | |
| $225M | 0.27% | 0.42% | +4.5% | Q3 2013 | |
| $218M | 0.26% | 0.18% | +7.5% | Q3 2013 | |
| $216M | 0.26% | 0.86% | -1.1% | Q3 2013 | |
| $210M | 0.25% | 0.09% | -3.9% | Q3 2013 | |
Premium opens every quarter this fund has filed