William Blair & Company
OPENZ

William Blair & Company’s Opendoor Technologies Inc Series Z Warrants OPENZ Stock Holding History

William Blair & Company’s Portfolio OPENZ Stock Details OPENZ Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$408 Buy
1,699
+33
+2% +$9 ﹤0.01% 1994
2026
Q1 		$392 Sell
1,666
-64
-4% -$27 ﹤0.01% 1917
2025
Q4 		$691 Buy
+1,730
New +$1.05K ﹤0.01% 1855

Other funds holding OPENZ

GA
GFS Advisors Houston, Texas $948M AUM 41.15% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
LC
Lennar Corp Miami, Florida $63.2M AUM
IMC Chicago
IMC Chicago Chicago, Illinois $419B AUM 72.04% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
AC
Aristeia Capital Greenwich, Connecticut $7.69B AUM 15.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
HF
HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return
TSS
Two Sigma Securities New York $1.16B AUM 36.23% 1-Year Est. Return

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

William Blair & Company increased its Opendoor Technologies Inc Series Z Warrants (OPENZ) stake by 2% in Q2 2026, buying an estimated $9 and bringing the position to 1,699 shares worth $408. The position accounts for ﹤0.01% of the portfolio, ranked #1994.

William Blair & Company first reported a position in OPENZ in Q4 2025 and has held it in 3 quarters since. The position peaked at $691 in Q4 2025. 123 funds tracked by Wall St. Rank hold OPENZ as of Q2 2026.

  • William Blair & Company held 1,699 shares of Opendoor Technologies Inc Series Z Warrants worth $408 as of Q2 2026.
  • William Blair & Company bought 33 Opendoor Technologies Inc Series Z Warrants shares in Q2 2026, an estimated $9.
  • Opendoor Technologies Inc Series Z Warrants made up ﹤0.01% of William Blair & Company's portfolio in Q2 2026, its #1994 holding.
  • William Blair & Company first reported a position in Opendoor Technologies Inc Series Z Warrants in Q4 2025 and has held it in 3 quarters since.
  • William Blair & Company's Opendoor Technologies Inc Series Z Warrants position peaked at $691 in Q4 2025.
  • 123 funds tracked by Wall St. Rank held Opendoor Technologies Inc Series Z Warrants as of Q2 2026.

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