William Blair Investment Management’s UnitedHealth UNH Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$218M Sell
523,387
-149,876
-22% -$55.6M 0.65% 31
2026
Q1
$182M Sell
673,263
-88,980
-12% -$26.5M 0.6% 36
2025
Q4
$252M Sell
762,243
-6,292
-0.8% -$2.13M 0.7% 28
2025
Q3
$265M Buy
768,535
+84,394
+12% +$25.5M 0.69% 26
2025
Q2
$213M Buy
684,141
+59,120
+9% +$22.6M 0.57% 40
2025
Q1
$327M Sell
625,021
-37,754
-6% -$19.3M 0.92% 18
2024
Q4
$335M Buy
662,775
+50,945
+8% +$28.9M 0.82% 17
2024
Q3
$358M Sell
611,830
-37,589
-6% -$21.3M 0.88% 16
2024
Q2
$331M Sell
649,419
-327,927
-34% -$161M 0.87% 17
2024
Q1
$483M Buy
977,346
+172,564
+21% +$87.7M 1.25% 11
2023
Q4
$424M Sell
804,782
-91,035
-10% -$48.6M 1.23% 10
2023
Q3
$452M Buy
895,817
+132,036
+17% +$65M 1.5% 8
2023
Q2
$367M Buy
763,781
+28,304
+4% +$13.8M 1.18% 11
2023
Q1
$348M Buy
735,477
+79,641
+12% +$38.4M 1.21% 11
2022
Q4
$348M Sell
655,836
-16,304
-2% -$8.64M 1.33% 8
2022
Q3
$339M Buy
672,140
+4,983
+0.7% +$2.62M 1.34% 7
2022
Q2
$343M Buy
667,157
+159,265
+31% +$80M 1.27% 9
2022
Q1
$259M Sell
507,892
-17,608
-3% -$8.49M 0.77% 32
2021
Q4
$264M Buy
525,500
+82,993
+19% +$37.6M 0.71% 39
2021
Q3
$173M Sell
442,507
-31,496
-7% -$13M 0.49% 69
2021
Q2
$190M Sell
474,003
-68,878
-13% -$27.5M 0.6% 64
2021
Q1
$202M Buy
542,881
+47,770
+10% +$16.6M 0.65% 57
2020
Q4
$174M Sell
495,111
-74,227
-13% -$24.9M 0.58% 69
2020
Q3
$178M Sell
569,338
-33,451
-6% -$10.3M 0.69% 53
2020
Q2
$178M Sell
602,789
-30,136
-5% -$8.64M 0.72% 44
2020
Q1
$158M Sell
632,925
-9,511
-1% -$2.62M 0.77% 36
2019
Q4
$189M Buy
642,436
+39,079
+6% +$10.2M 0.75% 37
2019
Q3
$131M Buy
603,357
+20,660
+4% +$4.99M 0.56% 61
2019
Q2
$142M Buy
582,697
+9,662
+2% +$2.32M 0.6% 59
2019
Q1
$142M Buy
573,035
+16,408
+3% +$4.18M 0.6% 52
2018
Q4
$139M Sell
556,627
-276,446
-33% -$73M 0.69% 41
2018
Q3
$222M Sell
833,073
-28,182
-3% -$7.33M 0.77% 30
2018
Q2
$211M Sell
861,255
-21,865
-2% -$5.25M 0.79% 25
2018
Q1
$189M Sell
883,120
-56,620
-6% -$12.9M 0.72% 34
2017
Q4
$207M Sell
939,740
-195,237
-17% -$41.4M 0.81% 27
2017
Q3
$222M Sell
1,134,977
-170,264
-13% -$32.9M 0.8% 35
2017
Q2
$242M Sell
1,305,241
-12,566
-1% -$2.2M 0.88% 31
2017
Q1
$216M Buy
1,317,807
+620,113
+89% +$102M 0.82% 38
2016
Q4
$112M Buy
697,694
+82,511
+13% +$12.3M 0.45% 78
2016
Q3
$86.1M Buy
615,183
+167,846
+38% +$23.5M 0.33% 100
2016
Q2
$63.2M Sell
447,337
-12,495
-3% -$1.67M 0.25% 124
2016
Q1
$59.3M Buy
459,832
+187,253
+69% +$22.2M 0.24% 131
2015
Q4
$32.1M Buy
272,579
+53,058
+24% +$6.2M 0.13% 159
2015
Q3
$25.5M Buy
+219,521
New +$26.3M 0.05% 438

Other funds holding UNH

William Blair Investment Management's UNH Position: Q2 2026 in Review

William Blair Investment Management reduced its UnitedHealth (UNH) stake by 22% in Q2 2026, selling an estimated $55.6M and leaving 523,387 shares worth $218M. The position accounts for 0.65% of the portfolio, ranked #31.

William Blair Investment Management first reported a position in UNH in Q3 2015 and has held it in 44 quarters since. The position peaked at $483M in Q1 2024. 3,367 funds tracked by Wall St. Rank hold UNH as of Q2 2026.

  • William Blair Investment Management held 523,387 shares of UnitedHealth worth $218M as of Q2 2026.
  • William Blair Investment Management sold 149,876 UnitedHealth shares in Q2 2026, an estimated $55.6M.
  • UnitedHealth made up 0.65% of William Blair Investment Management's portfolio in Q2 2026, its #31 holding.
  • William Blair Investment Management first reported a position in UnitedHealth in Q3 2015 and has held it in 44 quarters since.
  • William Blair Investment Management's UnitedHealth position peaked at $483M in Q1 2024.
  • 3,367 funds tracked by Wall St. Rank held UnitedHealth as of Q2 2026.

Based on William Blair Investment Management's 13F filing for Q2 2026, filed 12 Aug 2026.