William Blair & Company
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William Blair & Company’s Cencora COR Stock Holding History

William Blair & Company’s Portfolio COR Stock Details COR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$3.71M Sell
13,115
-6,569
-33% -$1.89M 0.01% 598
2026
Q1 		$6.18M Buy
19,684
+48
+0.2% +$16.8K 0.02% 453
2025
Q4 		$6.63M Sell
19,636
-1,483
-7% -$506K 0.02% 448
2025
Q3 		$6.6M Sell
21,119
-2
-0% -$589 0.02% 456
2025
Q2 		$6.33M Buy
21,121
+353
+2% +$102K 0.02% 443
2025
Q1 		$5.78M Sell
20,768
-662
-3% -$166K 0.02% 449
2024
Q4 		$4.81M Sell
21,430
-1,098
-5% -$258K 0.01% 502
2024
Q3 		$5.07M Sell
22,528
-39
-0.2% -$9.05K 0.01% 503
2024
Q2 		$5.08M Sell
22,567
-149
-0.7% -$34.5K 0.02% 488
2024
Q1 		$5.52M Buy
22,716
+1,538
+7% +$354K 0.02% 458
2023
Q4 		$4.35M Sell
21,178
-264
-1% -$51.5K 0.01% 487
2023
Q3 		$3.86M Buy
21,442
+6,545
+44% +$1.21M 0.01% 498
2023
Q2 		$2.87M Sell
14,897
-347
-2% -$60K 0.01% 581
2023
Q1 		$2.44M Buy
15,244
+78
+0.5% +$12.4K 0.01% 605
2022
Q4 		$2.51M Buy
15,166
+2,388
+19% +$377K 0.01% 574
2022
Q3 		$1.73M Buy
12,778
+3,699
+41% +$531K 0.01% 648
2022
Q2 		$1.28M Buy
9,079
+955
+12% +$146K 0.01% 757
2022
Q1 		$1.26M Buy
8,124
+899
+12% +$127K ﹤0.01% 837
2021
Q4 		$960K Buy
7,225
+824
+13% +$101K ﹤0.01% 975
2021
Q3 		$765K Buy
6,401
+9
+0.1% +$1.08K ﹤0.01% 1022
2021
Q2 		$732K Sell
6,392
-3,100
-33% -$366K ﹤0.01% 1019
2021
Q1 		$1.12M Buy
9,492
+3,834
+68% +$415K ﹤0.01% 860
2020
Q4 		$553K Sell
5,658
-45
-0.8% -$4.5K ﹤0.01% 1056
2020
Q3 		$553K Buy
5,703
+29
+0.5% +$2.88K ﹤0.01% 945
2020
Q2 		$572K Buy
5,674
+381
+7% +$35.1K ﹤0.01% 895
2020
Q1 		$468K Sell
5,293
-202
-4% -$17.8K ﹤0.01% 890
2019
Q4 		$467K Buy
5,495
+1,328
+32% +$114K ﹤0.01% 1008
2019
Q3 		$343K Buy
4,167
+63
+2% +$5.42K ﹤0.01% 1072
2019
Q2 		$350K Sell
4,104
-3,719
-48% -$294K ﹤0.01% 1103
2019
Q1 		$622K Buy
7,823
+2,363
+43% +$190K ﹤0.01% 893
2018
Q4 		$406K Sell
5,460
-1,821
-25% -$157K ﹤0.01% 979
2018
Q3 		$671K Buy
7,281
+3,292
+83% +$285K ﹤0.01% 863
2018
Q2 		$340K Hold
3,989
– – ﹤0.01% 1062
2018
Q1 		$344K Buy
3,989
+50
+1% +$4.8K ﹤0.01% 1035
2017
Q4 		$362K Buy
+3,939
New +$326K ﹤0.01% 1067
2017
Q3 		– Sell
-3,679
Closed -$348K – 1396
2017
Q2 		$348K Hold
3,679
– – ﹤0.01% 1118
2017
Q1 		$337K Hold
3,679
– – ﹤0.01% 1025
2016
Q4 		$288K Buy
3,679
+400
+12% +$31.2K ﹤0.01% 1022
2016
Q3 		$265K Buy
+3,279
New +$281K ﹤0.01% 1061
2016
Q2 		– Sell
-3,979
Closed -$344K – 1235
2016
Q1 		$344K Sell
3,979
-200
-5% -$17.8K ﹤0.01% 892
2015
Q4 		$433K Sell
4,179
-325
-7% -$31.9K ﹤0.01% 850
2015
Q3 		$427K Sell
4,504
-304
-6% -$31.9K ﹤0.01% 1037
2015
Q2 		$511K Sell
4,808
-1,777
-27% -$200K ﹤0.01% 1750
2015
Q1 		$748K Buy
6,585
+1,952
+42% +$196K ﹤0.01% 1628
2014
Q4 		$417K Buy
4,633
+174
+4% +$14.9K ﹤0.01% 1741
2014
Q3 		$344K Sell
4,459
-121
-3% -$9.2K ﹤0.01% 1801
2014
Q2 		$333K Sell
4,580
-55
-1% -$3.77K ﹤0.01% 1777
2014
Q1 		$303K Sell
4,635
-137
-3% -$9.31K ﹤0.01% 1762
2013
Q4 		$335K Sell
4,772
-1,165
-20% -$78.3K ﹤0.01% 1707
2013
Q3 		$362K Sell
5,937
-2,846
-32% -$166K ﹤0.01% 1657
2013
Q2 		$490K Buy
+8,783
New +$477K ﹤0.01% 1512

Other funds holding COR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

William Blair & Company's COR Position: Q2 2026 in Review

William Blair & Company reduced its Cencora (COR) stake by 33% in Q2 2026, selling an estimated $1.89M and leaving 13,115 shares worth $3.71M. The position accounts for 0.01% of the portfolio, ranked #598.

William Blair & Company first reported a position in COR in Q2 2013 and has held it in 51 quarters since. The position peaked at $6.63M in Q4 2025. 1,343 funds tracked by Wall St. Rank hold COR as of Q2 2026.

  • William Blair & Company held 13,115 shares of Cencora worth $3.71M as of Q2 2026.
  • William Blair & Company sold 6,569 Cencora shares in Q2 2026, an estimated $1.89M.
  • Cencora made up 0.01% of William Blair & Company's portfolio in Q2 2026, its #598 holding.
  • William Blair & Company first reported a position in Cencora in Q2 2013 and has held it in 51 quarters since.
  • William Blair & Company's Cencora position peaked at $6.63M in Q4 2025.
  • 1,343 funds tracked by Wall St. Rank held Cencora as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.