William Blair Investment Management
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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
Q2 		$234K Sell
1,379
-447
-24% -$68.9K ﹤0.01% 398
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 $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
ROTUOC
Regents of the University of California Oakland, California $4.36B AUM 33.89% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Harris Associates
Harris Associates Chicago, Illinois $75.4B AUM 14.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

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

William Blair Investment Management reduced its State Street (STT) stake by 24% in Q2 2026, selling an estimated $68.9K and leaving 1,379 shares worth $234K. The position accounts for ﹤0.01% of the portfolio, ranked #398.

William Blair Investment Management first reported a position in STT in Q1 2025 and has held it in 6 quarters since. The position peaked at $252K in Q3 2025. 1,260 funds tracked by Wall St. Rank hold STT as of Q2 2026.

  • William Blair Investment Management held 1,379 shares of State Street worth $234K as of Q2 2026.
  • William Blair Investment Management sold 447 State Street shares in Q2 2026, an estimated $68.9K.
  • State Street made up ﹤0.01% of William Blair Investment Management's portfolio in Q2 2026, its #398 holding.
  • William Blair Investment Management first reported a position in State Street in Q1 2025 and has held it in 6 quarters since.
  • William Blair Investment Management's State Street position peaked at $252K in Q3 2025.
  • 1,260 funds tracked by Wall St. Rank held State Street as of Q2 2026.

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