William Blair Investment Management
FLEX icon

William Blair Investment Management’s Flex FLEX Stock Holding History

William Blair Investment Management’s Portfolio FLEX Stock Details FLEX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.04M Sell
6,397
-2,079
-25% -$252K ﹤0.01% 354
2026
Q1 		$555K Buy
8,476
+214
+3% +$13.7K ﹤0.01% 370
2025
Q4 		$499K Sell
8,262
-622
-7% -$38.4K ﹤0.01% 375
2025
Q3 		$515K Sell
8,884
-1,576
-15% -$83.7K ﹤0.01% 366
2025
Q2 		$522K Sell
10,460
-2,207
-17% -$86K ﹤0.01% 372
2025
Q1 		$419K Buy
+12,667
New +$496K ﹤0.01% 389
2024
Q2 		– Sell
-8,595
Closed -$246K – 427
2024
Q1 		$246K Sell
8,595
-938
-10% -$24.6K ﹤0.01% 389
2023
Q4 		$219K Buy
+9,533
New +$191K ﹤0.01% 396
2023
Q3 		– Sell
-9,734
Closed -$203K – 406
2023
Q2 		$203K Buy
+9,734
New +$174K ﹤0.01% 391
2022
Q3 		– Sell
-20,058
Closed -$219K – 399
2022
Q2 		$219K Sell
20,058
-16,661
-45% -$206K ﹤0.01% 388
2022
Q1 		$513K Buy
36,719
+1,895
+5% +$24.2K ﹤0.01% 396
2021
Q4 		$481K Buy
34,824
+4,620
+15% +$62.5K ﹤0.01% 388
2021
Q3 		$402K Buy
+30,204
New +$406K ﹤0.01% 404

Other funds holding FLEX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
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

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

William Blair Investment Management reduced its Flex (FLEX) stake by 25% in Q2 2026, selling an estimated $252K and leaving 6,397 shares worth $1.04M. The position accounts for ﹤0.01% of the portfolio, ranked #354.

William Blair Investment Management first reported a position in FLEX in Q3 2021 and has held it in 13 quarters since. 1,113 funds tracked by Wall St. Rank hold FLEX as of Q2 2026.

  • William Blair Investment Management held 6,397 shares of Flex worth $1.04M as of Q2 2026.
  • William Blair Investment Management sold 2,079 Flex shares in Q2 2026, an estimated $252K.
  • Flex made up ﹤0.01% of William Blair Investment Management's portfolio in Q2 2026, its #354 holding.
  • William Blair Investment Management first reported a position in Flex in Q3 2021 and has held it in 13 quarters since.
  • 1,113 funds tracked by Wall St. Rank held Flex as of Q2 2026.

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