William Blair & Company
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William Blair & Company’s M&T Bank MTB Stock Holding History

William Blair & Company’s Portfolio MTB Stock Details MTB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.9M Buy
9,200
+237
+3% +$51K 0.01% 743
2025
Q4 		$1.81M Sell
8,963
-841
-9% -$161K ﹤0.01% 770
2025
Q3 		$1.94M Buy
9,804
+5
+0.1% +$981 0.01% 739
2025
Q2 		$1.9M Buy
9,799
+2,328
+31% +$411K 0.01% 725
2025
Q1 		$1.34M Sell
7,471
-20
-0.3% -$3.79K ﹤0.01% 806
2024
Q4 		$1.41M Buy
7,491
+269
+4% +$53.5K ﹤0.01% 804
2024
Q3 		$1.29M Buy
7,222
+240
+3% +$39.8K ﹤0.01% 830
2024
Q2 		$1.06M Buy
6,982
+1,453
+26% +$212K ﹤0.01% 856
2024
Q1 		$804K Sell
5,529
-72
-1% -$9.98K ﹤0.01% 936
2023
Q4 		$768K Sell
5,601
-1,020
-15% -$128K ﹤0.01% 943
2023
Q3 		$837K Sell
6,621
-317
-5% -$41.3K ﹤0.01% 899
2023
Q2 		$859K Buy
6,938
+525
+8% +$63.5K ﹤0.01% 891
2023
Q1 		$767K Buy
6,413
+2,305
+56% +$335K ﹤0.01% 906
2022
Q4 		$596K Sell
4,108
-494
-11% -$81.2K ﹤0.01% 991
2022
Q3 		$811K Buy
4,602
+715
+18% +$127K ﹤0.01% 893
2022
Q2 		$620K Buy
3,887
+689
+22% +$116K ﹤0.01% 995
2022
Q1 		$542K Sell
3,198
-72
-2% -$12.7K ﹤0.01% 1128
2021
Q4 		$502K Buy
3,270
+538
+20% +$82.6K ﹤0.01% 1212
2021
Q3 		$408K Buy
2,732
+11
+0.4% +$1.52K ﹤0.01% 1233
2021
Q2 		$395K Buy
2,721
+802
+42% +$125K ﹤0.01% 1241
2021
Q1 		$291K Sell
1,919
-3,727
-66% -$549K ﹤0.01% 1338
2020
Q4 		$719K Buy
5,646
+3,102
+122% +$353K ﹤0.01% 973
2020
Q3 		$234K Buy
2,544
+229
+10% +$23.4K ﹤0.01% 1237
2020
Q2 		$241K Sell
2,315
-64
-3% -$6.76K ﹤0.01% 1173
2020
Q1 		$246K Sell
2,379
-927
-28% -$136K ﹤0.01% 1085
2019
Q4 		$561K Buy
3,306
+1,221
+59% +$198K ﹤0.01% 951
2019
Q3 		$329K Sell
2,085
-680
-25% -$107K ﹤0.01% 1083
2019
Q2 		$470K Buy
2,765
+516
+23% +$85.5K ﹤0.01% 1000
2019
Q1 		$353K Sell
2,249
-203
-8% -$33.3K ﹤0.01% 1089
2018
Q4 		$351K Buy
2,452
+1,060
+76% +$169K ﹤0.01% 1035
2018
Q3 		$229K Buy
+1,392
New +$242K ﹤0.01% 1242
2017
Q4 		– Sell
-2,577
Closed -$415K – 1417
2017
Q3 		$415K Buy
+2,577
New +$405K ﹤0.01% 998
2014
Q4 		– Sell
-1,773
Closed -$218K – 2131
2014
Q3 		$218K Sell
1,773
-59
-3% -$7.26K ﹤0.01% 1940
2014
Q2 		$227K Sell
1,832
-143
-7% -$17.4K ﹤0.01% 1907
2014
Q1 		$239K Sell
1,975
-509
-20% -$58.7K ﹤0.01% 1832
2013
Q4 		$289K Buy
2,484
+358
+17% +$40.7K ﹤0.01% 1754
2013
Q3 		$237K Buy
2,126
+39
+2% +$4.51K ﹤0.01% 1822
2013
Q2 		$233K Buy
+2,087
New +$215K ﹤0.01% 1769

Other funds holding MTB

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 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 $3.37T AUM 44.26% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Farm Mutual Automobile Insurance
State Farm Mutual Automobile Insurance Bloomington, Illinois $127B AUM 32.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

William Blair & Company's MTB Position: Q1 2026 in Review

William Blair & Company increased its M&T Bank (MTB) stake by 2.6% in Q1 2026, buying an estimated $51K and bringing the position to 9,200 shares worth $1.9M. The position accounts for 0.01% of the portfolio, ranked #743.

William Blair & Company first reported a position in MTB in Q2 2013 and has held it in 38 quarters since. The position peaked at $1.94M in Q3 2025. 1,108 funds tracked by Wall St. Rank hold MTB as of Q1 2026.

  • William Blair & Company held 9,200 shares of M&T Bank worth $1.9M as of Q1 2026.
  • William Blair & Company bought 237 M&T Bank shares in Q1 2026, an estimated $51K.
  • M&T Bank made up 0.01% of William Blair & Company's portfolio in Q1 2026, its #743 holding.
  • William Blair & Company first reported a position in M&T Bank in Q2 2013 and has held it in 38 quarters since.
  • William Blair & Company's M&T Bank position peaked at $1.94M in Q3 2025.
  • 1,108 funds tracked by Wall St. Rank held M&T Bank as of Q1 2026.

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