William Blair & Company
AZEK

William Blair & Company’s The AZEK Co AZEK Stock Holding History

William Blair & Company’s Portfolio AZEK Stock Details AZEK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-12,917
Closed -$632K – 1834
2025
Q1 		$632K Sell
12,917
-160
-1% -$7.58K ﹤0.01% 1021
2024
Q4 		$621K Sell
13,077
-16,498
-56% -$788K ﹤0.01% 1029
2024
Q3 		$1.38M Buy
29,575
+15,386
+108% +$659K ﹤0.01% 808
2024
Q2 		$598K Sell
14,189
-5,570
-28% -$258K ﹤0.01% 1041
2024
Q1 		$992K Sell
19,759
-17,364
-47% -$757K ﹤0.01% 871
2023
Q4 		$1.42M Buy
37,123
+4,722
+15% +$147K ﹤0.01% 756
2023
Q3 		$964K Sell
32,401
-2,902
-8% -$91.2K ﹤0.01% 849
2023
Q2 		$1.07M Sell
35,303
-3,721
-10% -$96.2K ﹤0.01% 823
2023
Q1 		$919K Sell
39,024
-311
-0.8% -$7.36K ﹤0.01% 854
2022
Q4 		$799K Sell
39,335
-49,534
-56% -$917K ﹤0.01% 900
2022
Q3 		$1.48M Sell
88,869
-56,344
-39% -$1.07M 0.01% 697
2022
Q2 		$2.43M Sell
145,213
-84,425
-37% -$1.73M 0.01% 592
2022
Q1 		$5.7M Buy
229,638
+7,272
+3% +$229K 0.02% 435
2021
Q4 		$10.3M Sell
222,366
-9,690
-4% -$386K 0.03% 341
2021
Q3 		$8.48M Buy
232,056
+71,273
+44% +$2.78M 0.03% 351
2021
Q2 		$6.83M Buy
160,783
+37,491
+30% +$1.68M 0.02% 393
2021
Q1 		$5.18M Buy
123,292
+35,608
+41% +$1.52M 0.02% 445
2020
Q4 		$3.37M Buy
87,684
+63,485
+262% +$2.29M 0.01% 526
2020
Q3 		$842K Buy
24,199
+14,199
+142% +$495K ﹤0.01% 805
2020
Q2 		$319K Buy
+10,000
New +$304K ﹤0.01% 1067

Other funds holding AZEK

Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
HI
HBK Investments Dallas, Texas $10.2B AUM 67.73% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
DKCM
Davidson Kempner Capital Management New York $8.42B AUM 61.81% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Citigroup
Citigroup New York $303B AUM 53.02% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

William Blair & Company's AZEK Position: Q2 2025 in Review

William Blair & Company sold out of The AZEK Co (AZEK) in Q2 2025, closing a stake of 12,917 shares — an estimated $632K sold.

William Blair & Company first reported a position in AZEK in Q2 2020 and held it in 20 quarters. The position peaked at $10.3M in Q4 2021. 330 funds tracked by Wall St. Rank hold AZEK as of Q2 2025.

  • William Blair & Company reported no remaining The AZEK Co position as of Q2 2025 after selling out during the quarter.
  • William Blair & Company sold 12,917 The AZEK Co shares in Q2 2025, an estimated $632K.
  • William Blair & Company first reported a position in The AZEK Co in Q2 2020 and held it in 20 quarters.
  • William Blair & Company's The AZEK Co position peaked at $10.3M in Q4 2021.
  • 330 funds tracked by Wall St. Rank held The AZEK Co as of Q2 2025.

Based on William Blair & Company's 13F filing for Q2 2025, filed 24 Jul 2025.