William Blair Investment Management, LLC / UNH
William Blair Investment Management, LLC’s Unitedhealth Group Inc Position
Does William Blair Investment Management, LLC own Unitedhealth Group Inc (UNH)? Yes — 673.3K shares worth $182M (+0.60% of its 13F portfolio) as of Q1 2026, down from 762.2K shares the prior filed quarter.
Position Value
$182M
Q1 2026
Shares
673.3K
% of Portfolio
+0.60%
Quarters Held
30
currently held
Position History UNH
Reported value by quarter
| Quarter | Shares | Value | % of Portfolio |
|---|---|---|---|
| Q1 2026 | 673.3K | $182M | +0.60% |
| Q4 2025 | 762.2K | $252M | +0.70% |
| Q3 2025 | 768.5K | $265M | +0.69% |
| Q2 2025 | 684.1K | $213M | +0.57% |
| Q1 2025 | 625.0K | $327M | +0.92% |
| Q4 2024 | 662.8K | $335M | +0.82% |
| Q3 2024 | 611.8K | $358M | +0.88% |
| Q2 2024 | 649.4K | $331M | +0.87% |
| Q1 2024 | 977.3K | $483M | +1.25% |
| Q4 2023 | 804.8K | $424M | +1.23% |
| Q3 2023 | 895.8K | $452M | +1.50% |
| Q2 2023 | 763.8K | $367M | +1.18% |
| Q1 2023 | 735.5K | $348M | +1.21% |
| Q4 2022 | 655.8K | $348M | +1.33% |
| Q3 2022 | 672.1K | $339M | +1.34% |
| Q2 2022 | 667.2K | $343M | +1.27% |
| Q1 2022 | 507.9K | $259M | +0.77% |
| Q4 2021 | 525.5K | $264M | +0.71% |
| Q3 2021 | 442.5K | $173M | +0.49% |
| Q2 2021 | 474.0K | $190M | +0.60% |
| Q1 2021 | 542.9K | $202M | +0.65% |
| Q4 2020 | 495.1K | $174M | +0.58% |
| Q3 2020 | 569.3K | $178M | +0.69% |
| Q2 2020 | 602.8K | $178M | +0.72% |
| Q1 2020 | 632.9K | $158M | +0.77% |
| Q4 2019 | 642.4K | $189M | +0.75% |
| Q3 2019 | 603.4K | $131M | +0.56% |
| Q2 2019 | 582.7K | $142M | +0.60% |
| Q1 2019 | 573.0K | $142M | +0.60% |
| Q4 2018 | 556.6K | $139M | +0.69% |
Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See William Blair Investment Management, LLC’s full portfolio or all institutional holders of UNH.