AI
Alyeska Investment Group, L.P.
13F filer · CIK 0001453072Reported Aug 14, 2026
Net seller this quarter
13F portfolio value$38.9BU.S. long equity reported on 13F
Positions649239 new · 193 closed
Net flow last quarter-$3.63BBuys minus sells
Top 10 positions weight14.6%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, 2026649 positions | |||||
| $1.08B | 2.79% | Not reported | +55.7% | Q1 2025 | |
| $838M | 2.16% | Not reported | +59.9% | Q2 2013 | |
| $730M | 1.88% | 0.57% | Not reported | Q1 2016 | |
| $538M | 1.38% | 0.25% | Not reported | Q1 2015 | |
| $499M | 1.28% | 0.02% | +115.4% | Q3 2015 | |
| $424M | 1.09% | 0.30% | +112.6% | Q3 2014 | |
| $422M | 1.09% | 0.02% | -59.6% | Q2 2013 | |
| $409M | 1.05% | 0.19% | -18.3% | Q4 2015 | |
| $371M | 0.95% | 8.07% | +9.4% | Q3 2024 | |
| $356M | 0.92% | 0.38% | Not reported | Q2 2021 | |
| $356M | 0.91% | 0.18% | +7.8% | Q2 2016 | |
| $333M | 0.86% | 1.67% | +15.4% | Q2 2014 | |
| $329M | 0.85% | 2.62% | -5.8% | Q2 2020 | |
| $319M | 0.82% | 0.10% | +7.6% | Q3 2013 | |
| $298M | 0.77% | 0.05% | +40.6% | Q3 2015 | |
| $292M | 0.75% | 0.31% | +3.0% | Q2 2013 | |
| $283M | 0.73% | 0.38% | -20.2% | Q4 2013 | |
| $282M | 0.72% | 9.04% | +4.4% | Q3 2018 | |
| $281M | 0.72% | 0.13% | +133.0% | Q4 2015 | |
| $269M | 0.69% | Not reported | +131.8% | Q4 2025 | |
| $261M | 0.67% | 1.48% | +197.1% | Q4 2015 | |
| $251M | 0.65% | 0.33% | +77.5% | Q2 2016 | |
| $246M | 0.63% | 0.53% | +69.2% | Q3 2014 | |
| $244M | 0.63% | 4.61% | -31.9% | Q2 2025 | |
| $243M | 0.63% | 1.25% | +14.0% | Q4 2013 | |
| $240M | 0.62% | 0.01% | -79.0% | Q4 2018 | |
| $237M | 0.61% | 1.41% | +101.4% | Q4 2014 | |
| $235M | 0.61% | 0.36% | +16.3% | Q3 2015 | |
| $229M | 0.59% | 1.51% | +12.3% | Q2 2025 | |
| $226M | 0.58% | 0.08% | +11.1% | Q3 2013 | |
| $226M | 0.58% | 1.34% | +16.2% | Q4 2014 | |
| $212M | 0.55% | 0.54% | +13.4% | Q1 2014 | |
| $212M | 0.55% | 0.49% | -12.0% | Q1 2016 | |
| $211M | 0.54% | 0.51% | +97.3% | Q2 2018 | |
| $211M | 0.54% | 0.21% | +37.6% | Q3 2016 | |
| $201M | 0.52% | 0.63% | +15.8% | Q2 2013 | |
| $201M | 0.52% | Not reported | +97.6% | Q3 2016 | |
| $201M | 0.52% | Not reported | +119.2% | Q1 2024 | |
| $196M | 0.50% | 0.01% | +1606.9% | Q4 2017 | |
| $193M | 0.50% | 0.25% | Not reported | Q1 2016 | |
| $189M | 0.49% | 0.10% | +201.0% | Q1 2018 | |
| $188M | 0.48% | 1.85% | +181.8% | Q1 2024 | |
| $183M | 0.47% | 0.12% | -50.9% | Q2 2019 | |
| $179M | 0.46% | 2.70% | Not reported | Q1 2025 | |
| $178M | 0.46% | 0.21% | Not reported | Q2 2019 | |
| $176M | 0.45% | 0.20% | +53.8% | Q1 2016 | |
| $175M | 0.45% | 0.94% | Not reported | Q2 2022 | |
| $175M | 0.45% | 0.63% | -2.5% | Q3 2025 | |
| $174M | 0.45% | 0.13% | Not reported | Q4 2014 | |
| $174M | 0.45% | Not reported | -35.7% | Q2 2019 | |
| Q1 2026Reported May 15, 2026603 positions | |||||
| $994M | 2.81% | 0.02% | Not reported | Q4 2018 | |
| $914M | 2.58% | 0.04% | -30.9% | Q2 2013 | |
| $676M | 1.91% | 0.18% | Not reported | Q4 2017 | |
| $551M | 1.56% | 3.42% | Not reported | Q4 2021 | |
| $542M | 1.53% | Not reported | +74.8% | Q1 2025 | |
| $532M | 1.50% | Not reported | +106.5% | Q2 2013 | |
| $372M | 1.05% | 0.25% | Not reported | Q2 2019 | |
| $366M | 1.03% | 7.39% | +4160.3% | Q3 2024 | |
| $358M | 1.01% | 0.23% | +53.2% | Q4 2015 | |
| $334M | 0.94% | 0.11% | Not reported | Q2 2013 | |
| $326M | 0.92% | 0.47% | +14.5% | Q4 2013 | |
| $296M | 0.84% | 1.45% | -29.2% | Q2 2014 | |
| $277M | 0.78% | 0.09% | +46.2% | Q3 2013 | |
| $277M | 0.78% | 2.69% | +137.8% | Q2 2020 | |
| $264M | 0.75% | 0.17% | Not reported | Q2 2016 | |
| $261M | 0.74% | 0.61% | -7.1% | Q3 2014 | |
| $252M | 0.71% | Not reported | +974.6% | Q2 2019 | |
| $251M | 0.71% | 7.60% | +112.5% | Q2 2025 | |
| $247M | 0.70% | 1.08% | +16.5% | Q4 2013 | |
| $246M | 0.70% | 0.08% | +20.7% | Q3 2017 | |
| $243M | 0.69% | 0.07% | Not reported | Q3 2019 | |
| $235M | 0.66% | 0.11% | -15.8% | Q4 2014 | |
| $231M | 0.65% | 0.14% | Not reported | Q3 2014 | |
| $230M | 0.65% | 0.01% | -52.6% | Q3 2015 | |
| $229M | 0.65% | 8.69% | +1138.5% | Q3 2018 | |
| $227M | 0.64% | 0.54% | -3.6% | Q1 2016 | |
| $221M | 0.62% | 4.44% | +823.9% | Q1 2022 | |
| $214M | 0.61% | 0.30% | +33.3% | Q2 2013 | |
| $211M | 0.60% | 0.26% | +112.4% | Q2 2013 | |
| $211M | 0.60% | 0.10% | -38.8% | Q2 2019 | |
| $210M | 0.59% | Not reported | +23.0% | Q4 2017 | |
| $208M | 0.59% | 0.31% | -6.2% | Q3 2015 | |
| $206M | 0.58% | 1.02% | +25.5% | Q4 2025 | |
| $204M | 0.58% | 0.03% | -11.1% | Q3 2015 | |
| $199M | 0.56% | 0.29% | -4.5% | Q4 2015 | |
| $189M | 0.53% | 0.28% | +32.5% | Q3 2013 | |
| $187M | 0.53% | 3.06% | +9.0% | Q2 2018 | |
| $186M | 0.53% | 0.07% | +112.7% | Q3 2013 | |
| $185M | 0.52% | 0.07% | +38.1% | Q4 2014 | |
| $183M | 0.52% | 0.94% | +688.7% | Q4 2025 | |
| $174M | 0.49% | 2.63% | +195.9% | Q3 2021 | |
| $167M | 0.47% | 0.51% | Not reported | Q3 2014 | |
| $166M | 0.47% | 0.47% | +56.1% | Q1 2014 | |
| $164M | 0.46% | 0.08% | -24.6% | Q3 2019 | |
| $163M | 0.46% | 0.65% | +7.4% | Q3 2025 | |
| $160M | 0.45% | 1.62% | +16.0% | Q1 2024 | |
| $157M | 0.44% | 0.12% | -40.2% | Q4 2013 | |
| $156M | 0.44% | 0.52% | +141.3% | Q2 2013 | |
| $155M | 0.44% | 0.36% | -1.7% | Q3 2018 | |
| $154M | 0.43% | 1.16% | -14.2% | Q4 2014 | |
| Q4 2025Reported Feb 13, 2026572 positions | |||||
| $1.47B | 4.14% | 0.06% | +43.3% | Q2 2013 | |
| $634M | 1.79% | 0.02% | +111.5% | Q3 2015 | |
| $489M | 1.38% | 0.22% | +245.7% | Q2 2013 | |
| $472M | 1.33% | 1.00% | +44.6% | Q3 2014 | |
| $372M | 1.05% | Not reported | Not reported | Q4 2020 | |
| $371M | 1.05% | 2.04% | +103.5% | Q2 2014 | |
| $343M | 0.97% | 0.46% | +70.2% | Q3 2016 | |
| $316M | 0.89% | 0.20% | +85.6% | Q4 2013 | |
| $314M | 0.89% | 0.02% | Not reported | Q4 2017 | |
| $297M | 0.84% | Not reported | -41.8% | Q2 2013 | |
| $295M | 0.83% | 0.17% | +620.8% | Q2 2019 | |
| $286M | 0.81% | Not reported | +300.0% | Q1 2025 | |
| $278M | 0.78% | 0.70% | +48.6% | Q3 2013 | |
| $274M | 0.78% | 0.13% | +1.4% | Q4 2014 | |
| $273M | 0.77% | 0.65% | Not reported | Q3 2014 | |
| $272M | 0.77% | 0.56% | +402.7% | Q1 2016 | |
| $269M | 0.76% | 0.41% | +7.7% | Q4 2013 | |
| $250M | 0.71% | 0.15% | Not reported | Q4 2015 | |
| $246M | 0.70% | 1.93% | +422.0% | Q2 2023 | |
| $245M | 0.69% | 0.91% | -11.2% | Q4 2013 | |
| $241M | 0.68% | 0.62% | +23.1% | Q1 2025 | |
| $235M | 0.66% | 0.11% | -5.2% | Q1 2018 | |
| $225M | 0.64% | 0.39% | +101.1% | Q3 2013 | |
| $225M | 0.64% | 0.14% | +642.8% | Q4 2016 | |
| $225M | 0.63% | 1.07% | +408.1% | Q1 2015 | |
| $214M | 0.61% | 0.33% | +118.7% | Q3 2015 | |
| $213M | 0.60% | 0.06% | -11.9% | Q3 2017 | |
| $200M | 0.57% | 0.00% | Not reported | Q1 2019 | |
| $200M | 0.57% | 0.27% | +276.0% | Q3 2013 | |
| $198M | 0.56% | 1.80% | +8.1% | Q1 2017 | |
| $194M | 0.55% | 0.04% | +25.9% | Q3 2015 | |
| $192M | 0.54% | 1.52% | +34.5% | Q4 2016 | |
| $188M | 0.53% | 0.49% | +53.1% | Q3 2018 | |
| $180M | 0.51% | 0.70% | +21.2% | Q2 2013 | |
| $179M | 0.51% | 8.03% | +747.0% | Q1 2025 | |
| $179M | 0.50% | 0.48% | +100.8% | Q2 2023 | |
| $174M | 0.49% | 0.30% | +139.8% | Q4 2015 | |
| $170M | 0.48% | 0.23% | +2.9% | Q2 2013 | |
| $170M | 0.48% | 1.95% | +155.1% | Q1 2015 | |
| $166M | 0.47% | 0.06% | Not reported | Q3 2013 | |
| MMASIMasimo Corp | $164M | 0.46% | 2.34% | -8.8% | Q1 2018 |
| $162M | 0.46% | 0.41% | +214.6% | Q2 2013 | |
| $161M | 0.45% | 0.14% | +32.6% | Q2 2013 | |
| $160M | 0.45% | 1.35% | +27.4% | Q4 2014 | |
| $160M | 0.45% | 2.14% | Not reported | Q1 2017 | |
| $159M | 0.45% | 2.79% | +191.9% | Q2 2018 | |
| $159M | 0.45% | Not reported | +218.5% | Q4 2017 | |
| $157M | 0.44% | 2.06% | +73.8% | Q1 2014 | |
| $156M | 0.44% | 0.11% | +84.2% | Q3 2019 | |
| $145M | 0.41% | 0.19% | Not reported | Q4 2014 | |
| Q3 2025Reported Nov 17, 2025573 positions | |||||
| $973M | 2.94% | 0.04% | +237.6% | Q2 2013 | |
| $928M | 2.81% | 0.02% | +1359.5% | Q2 2013 | |
| $590M | 1.78% | 0.26% | +285.4% | Q1 2016 | |
| $568M | 1.72% | Not reported | -9.0% | Q2 2013 | |
| $444M | 1.34% | 0.01% | +2850.0% | Q4 2018 | |
| $358M | 1.08% | 0.02% | Not reported | Q1 2015 | |
| $353M | 1.07% | 0.09% | +130.0% | Q2 2015 | |
| $329M | 1.00% | 0.69% | +5.8% | Q3 2014 | |
| $321M | 0.97% | 0.01% | -22.0% | Q3 2015 | |
| $290M | 0.88% | 1.73% | +127.5% | Q4 2023 | |
| $285M | 0.86% | 0.07% | Not reported | Q3 2017 | |
| $269M | 0.81% | 0.12% | +766.5% | Q4 2014 | |
| $265M | 0.80% | 1.72% | +39.7% | Q1 2017 | |
| $254M | 0.77% | 0.14% | -42.6% | Q1 2015 | |
| $250M | 0.76% | 1.02% | +74.6% | Q4 2013 | |
| $244M | 0.74% | 0.01% | -57.0% | Q1 2016 | |
| $239M | 0.72% | Not reported | Not reported | Q3 2019 | |
| $226M | 0.68% | 0.37% | +16.6% | Q4 2013 | |
| $219M | 0.66% | 11.24% | +44.0% | Q2 2025 | |
| $213M | 0.64% | 0.51% | +33.2% | Q1 2025 | |
| $207M | 0.63% | 0.11% | Not reported | Q1 2018 | |
| $206M | 0.62% | 0.27% | +38.0% | Q3 2016 | |
| MMASIMasimo Corp | $204M | 0.62% | 2.57% | +21.7% | Q1 2018 |
| $203M | 0.61% | 0.62% | +5.5% | Q2 2021 | |
| $202M | 0.61% | 0.30% | -29.9% | Q4 2017 | |
| $202M | 0.61% | 0.45% | +51.0% | Q3 2013 | |
| $183M | 0.55% | 0.02% | Not reported | Q3 2013 | |
| $180M | 0.55% | 0.32% | +107.9% | Q3 2019 | |
| $177M | 0.53% | 1.31% | Not reported | Q1 2017 | |
| $177M | 0.53% | 0.03% | +73.2% | Q1 2014 | |
| $176M | 0.53% | 0.04% | +43.8% | Q4 2013 | |
| $175M | 0.53% | 1.66% | +42.9% | Q1 2017 | |
| $174M | 0.53% | 1.88% | +36.4% | Q4 2016 | |
| $173M | 0.52% | 0.14% | +128.1% | Q2 2013 | |
| $171M | 0.52% | 0.07% | -11.0% | Q2 2016 | |
| $166M | 0.50% | 0.28% | +581.0% | Q3 2018 | |
| $161M | 0.49% | 1.00% | -45.7% | Q2 2014 | |
| $157M | 0.47% | 0.38% | +43.7% | Q4 2014 | |
| $151M | 0.46% | 0.26% | -0.7% | Q3 2018 | |
| $147M | 0.45% | 0.11% | -17.6% | Q4 2013 | |
| $146M | 0.44% | 0.04% | Not reported | Q4 2013 | |
| $145M | 0.44% | 0.22% | -6.2% | Q2 2013 | |
| $145M | 0.44% | 3.41% | -0.2% | Q1 2016 | |
| $141M | 0.43% | 0.09% | -52.6% | Q2 2013 | |
| $138M | 0.42% | 1.71% | -14.2% | Q3 2021 | |
| $138M | 0.42% | 0.03% | +37.4% | Q3 2015 | |
| $138M | 0.42% | 0.09% | +474.1% | Q2 2013 | |
| $137M | 0.41% | Not reported | -65.5% | Q1 2025 | |
| $136M | 0.41% | 1.02% | Not reported | Q1 2017 | |
| $135M | 0.41% | 0.12% | Not reported | Q2 2016 | |
Premium opens every quarter this fund has filed