William Blair Investment Management
STT icon

William Blair Investment Management’s State Street STT Stock Holding History

William Blair Investment Management’s Portfolio STT Stock Details STT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$231K Buy
1,826
+46
+3% +$5.88K ﹤0.01% 408
2025
Q4 		$230K Sell
1,780
-394
-18% -$47.2K ﹤0.01% 406
2025
Q3 		$252K Sell
2,174
-25
-1% -$2.79K ﹤0.01% 400
2025
Q2 		$234K Sell
2,199
-82
-4% -$7.58K ﹤0.01% 410
2025
Q1 		$204K Buy
+2,281
New +$218K ﹤0.01% 419

Other funds holding STT

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
ROTUOC
Regents of the University of California Oakland, California $3.01B AUM 11.91% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Harris Associates
Harris Associates Chicago, Illinois $75B AUM 11.27% 1-Year Est. Return

William Blair Investment Management's STT Position: Q1 2026 in Review

William Blair Investment Management increased its State Street (STT) stake by 2.6% in Q1 2026, buying an estimated $5.88K and bringing the position to 1,826 shares worth $231K. The position accounts for ﹤0.01% of the portfolio, ranked #408.

William Blair Investment Management first reported a position in STT in Q1 2025 and has held it in 5 quarters since. The position peaked at $252K in Q3 2025. 1,129 funds tracked by Wall St. Rank hold STT as of Q1 2026.

  • William Blair Investment Management held 1,826 shares of State Street worth $231K as of Q1 2026.
  • William Blair Investment Management bought 46 State Street shares in Q1 2026, an estimated $5.88K.
  • State Street made up ﹤0.01% of William Blair Investment Management's portfolio in Q1 2026, its #408 holding.
  • William Blair Investment Management first reported a position in State Street in Q1 2025 and has held it in 5 quarters since.
  • William Blair Investment Management's State Street position peaked at $252K in Q3 2025.
  • 1,129 funds tracked by Wall St. Rank held State Street as of Q1 2026.

Based on William Blair Investment Management's 13F filing for Q1 2026, filed 8 May 2026.