M&T Bank
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M&T Bank’s Magnite MGNI Stock Holding History

M&T Bank’s Portfolio MGNI Stock Details MGNI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$138K Sell
11,596
-5,645
-33% -$75.7K ﹤0.01% 1609
2025
Q4 		$279K Buy
17,241
+4,491
+35% +$74.5K ﹤0.01% 1431
2025
Q3 		$278K Sell
12,750
-3,845
-23% -$90.8K ﹤0.01% 1244
2025
Q2 		$401K Sell
16,595
-2,365
-12% -$34.8K ﹤0.01% 1155
2025
Q1 		$216K Buy
18,960
+4,537
+31% +$72.3K ﹤0.01% 1388
2024
Q4 		$230K Buy
+14,423
New +$212K ﹤0.01% 1484

Other funds holding MGNI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return

M&T Bank's MGNI Position: Q1 2026 in Review

M&T Bank reduced its Magnite (MGNI) stake by 33% in Q1 2026, selling an estimated $75.7K and leaving 11,596 shares worth $138K. The position accounts for ﹤0.01% of the portfolio, ranked #1609.

M&T Bank first reported a position in MGNI in Q4 2024 and has held it in 6 quarters since. The position peaked at $401K in Q2 2025. 296 funds tracked by Wall St. Rank hold MGNI as of Q1 2026.

  • M&T Bank held 11,596 shares of Magnite worth $138K as of Q1 2026.
  • M&T Bank sold 5,645 Magnite shares in Q1 2026, an estimated $75.7K.
  • Magnite made up ﹤0.01% of M&T Bank's portfolio in Q1 2026, its #1609 holding.
  • M&T Bank first reported a position in Magnite in Q4 2024 and has held it in 6 quarters since.
  • M&T Bank's Magnite position peaked at $401K in Q2 2025.
  • 296 funds tracked by Wall St. Rank held Magnite as of Q1 2026.

Based on M&T Bank's 13F filing for Q1 2026, filed 12 May 2026.