William Blair Investment Management
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William Blair Investment Management’s Eastern Bankshares EBC Stock Holding History

William Blair Investment Management’s Portfolio EBC Stock Details EBC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$34.4M Sell
1,547,993
-410,162
-21% -$8.33M 0.1% 175
2026
Q1 		$38.3M Buy
1,958,155
+64,227
+3% +$1.28M 0.13% 159
2025
Q4 		$34.9M Sell
1,893,928
-194,350
-9% -$3.56M 0.1% 177
2025
Q3 		$37.9M Sell
2,088,278
-126,538
-6% -$2.09M 0.1% 166
2025
Q2 		$33.8M Sell
2,214,816
-180,478
-8% -$2.71M 0.09% 180
2025
Q1 		$39.3M Sell
2,395,294
-110,245
-4% -$1.92M 0.11% 164
2024
Q4 		$43.2M Buy
2,505,539
+60,746
+2% +$1.06M 0.11% 170
2024
Q3 		$40.1M Sell
2,444,793
-74,278
-3% -$1.17M 0.1% 167
2024
Q2 		$35.2M Sell
2,519,071
-4,768
-0.2% -$63.3K 0.09% 189
2024
Q1 		$34.8M Buy
2,523,839
+4,722
+0.2% +$64.1K 0.09% 215
2023
Q4 		$35.8M Sell
2,519,117
-51,239
-2% -$640K 0.1% 193
2023
Q3 		$32.2M Buy
2,570,356
+516,200
+25% +$6.94M 0.11% 194
2023
Q2 		$25.2M Buy
2,054,156
+38,253
+2% +$453K 0.08% 253
2023
Q1 		$25.4M Buy
2,015,903
+10,119
+0.5% +$156K 0.09% 240
2022
Q4 		$34.6M Sell
2,005,784
-82,194
-4% -$1.57M 0.13% 161
2022
Q3 		$41M Sell
2,087,978
-43,397
-2% -$868K 0.16% 129
2022
Q2 		$39.3M Sell
2,131,375
-66,374
-3% -$1.29M 0.15% 156
2022
Q1 		$47.3M Sell
2,197,749
-27,717
-1% -$590K 0.14% 160
2021
Q4 		$44.9M Buy
2,225,466
+1,877,053
+539% +$39M 0.12% 179
2021
Q3 		$7.07M Buy
+348,413
New +$6.67M 0.02% 365

Other funds holding EBC

BlackRock
BlackRock New York $6.73T AUM 46.02% 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
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
HAM
HoldCo Asset Management Fort Lauderdale, Florida $1.56B AUM 45.42% 1-Year Est. Return
Jennison Associates
Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return

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

William Blair Investment Management reduced its Eastern Bankshares (EBC) stake by 21% in Q2 2026, selling an estimated $8.33M and leaving 1,547,993 shares worth $34.4M. The position accounts for 0.1% of the portfolio, ranked #175.

William Blair Investment Management first reported a position in EBC in Q3 2021 and has held it in 20 quarters since. The position peaked at $47.3M in Q1 2022. 328 funds tracked by Wall St. Rank hold EBC as of Q2 2026.

  • William Blair Investment Management held 1,547,993 shares of Eastern Bankshares worth $34.4M as of Q2 2026.
  • William Blair Investment Management sold 410,162 Eastern Bankshares shares in Q2 2026, an estimated $8.33M.
  • Eastern Bankshares made up 0.1% of William Blair Investment Management's portfolio in Q2 2026, its #175 holding.
  • William Blair Investment Management first reported a position in Eastern Bankshares in Q3 2021 and has held it in 20 quarters since.
  • William Blair Investment Management's Eastern Bankshares position peaked at $47.3M in Q1 2022.
  • 328 funds tracked by Wall St. Rank held Eastern Bankshares as of Q2 2026.

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