William Blair & Company
OPEN icon

William Blair & Company’s Opendoor OPEN Stock Holding History

William Blair & Company’s Portfolio OPEN Stock Details OPEN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$240K Buy
52,010
+87
+0.2% +$416 ﹤0.01% 1502
2026
Q1 		$243K Hold
51,923
– – ﹤0.01% 1408
2025
Q4 		$303K Sell
51,923
-1,768
-3% -$12.7K ﹤0.01% 1306
2025
Q3 		$414K Buy
+53,691
New +$218K ﹤0.01% 1185
2024
Q1 		– Sell
-11,707
Closed -$50.8K – 1836
2023
Q4 		$50.8K Sell
11,707
-16,874
-59% -$47.1K ﹤0.01% 1579
2023
Q3 		$73K Sell
28,581
-3,475
-11% -$12.5K ﹤0.01% 1544
2023
Q2 		$125K Sell
32,056
-218
-0.7% -$473 ﹤0.01% 1487
2023
Q1 		$55K Buy
32,274
+6
+0% +$10 ﹤0.01% 1572
2022
Q4 		$36.2K Sell
32,268
-24,879
-44% -$47.7K ﹤0.01% 1613
2022
Q3 		$172K Sell
57,147
-628
-1% -$2.88K ﹤0.01% 1417
2022
Q2 		$263K Sell
57,775
-9,458
-14% -$62.3K ﹤0.01% 1319
2022
Q1 		$563K Sell
67,233
-26,694
-28% -$248K ﹤0.01% 1113
2021
Q4 		$1.33M Sell
93,927
-29,677
-24% -$548K ﹤0.01% 855
2021
Q3 		$2.46M Sell
123,604
-14,982
-11% -$242K 0.01% 650
2021
Q2 		$2.38M Sell
138,586
-7,944
-5% -$137K 0.01% 656
2021
Q1 		$3M Sell
146,530
-8,676
-6% -$229K 0.01% 570
2020
Q4 		$3.41M Buy
+155,206
New +$3.25M 0.01% 517

Other funds holding OPEN

Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
LC
Lennar Corp Miami, Florida $63.2M AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return

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

William Blair & Company increased its Opendoor (OPEN) stake by 0.17% in Q2 2026, buying an estimated $416 and bringing the position to 52,010 shares worth $240K. The position accounts for ﹤0.01% of the portfolio, ranked #1502.

William Blair & Company first reported a position in OPEN in Q4 2020 and has held it in 17 quarters since. The position peaked at $3.41M in Q4 2020. 390 funds tracked by Wall St. Rank hold OPEN as of Q2 2026.

  • William Blair & Company held 52,010 shares of Opendoor worth $240K as of Q2 2026.
  • William Blair & Company bought 87 Opendoor shares in Q2 2026, an estimated $416.
  • Opendoor made up ﹤0.01% of William Blair & Company's portfolio in Q2 2026, its #1502 holding.
  • William Blair & Company first reported a position in Opendoor in Q4 2020 and has held it in 17 quarters since.
  • William Blair & Company's Opendoor position peaked at $3.41M in Q4 2020.
  • 390 funds tracked by Wall St. Rank held Opendoor as of Q2 2026.

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