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Smartleaf Asset Management’s Magnite MGNI Stock Holding History

Smartleaf Asset Management’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 		$20.2K Sell
1,749
-1,929
-52% -$25.9K ﹤0.01% 1948
2025
Q4 		$60.5K Buy
3,678
+1,824
+98% +$30.3K ﹤0.01% 1451
2025
Q3 		$41.3K Sell
1,854
-1,533
-45% -$36.2K ﹤0.01% 1485
2025
Q2 		$71.5K Buy
3,387
+577
+21% +$8.5K 0.01% 1007
2025
Q1 		$32.6K Buy
2,810
+1,203
+75% +$19.2K ﹤0.01% 1369
2024
Q4 		$26.4K Buy
1,607
+11
+0.7% +$161 ﹤0.01% 1492
2024
Q3 		$21.9K Buy
1,596
+521
+48% +$7.1K ﹤0.01% 1296
2024
Q2 		$13.8K Buy
+1,075
New +$11.8K ﹤0.01% 1228

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

Smartleaf Asset Management's MGNI Position: Q1 2026 in Review

Smartleaf Asset Management reduced its Magnite (MGNI) stake by 52% in Q1 2026, selling an estimated $25.9K and leaving 1,749 shares worth $20.2K. The position accounts for ﹤0.01% of the portfolio, ranked #1948.

Smartleaf Asset Management first reported a position in MGNI in Q2 2024 and has held it in 8 quarters since. The position peaked at $71.5K in Q2 2025. 296 funds tracked by Wall St. Rank hold MGNI as of Q1 2026.

  • Smartleaf Asset Management held 1,749 shares of Magnite worth $20.2K as of Q1 2026.
  • Smartleaf Asset Management sold 1,929 Magnite shares in Q1 2026, an estimated $25.9K.
  • Magnite made up ﹤0.01% of Smartleaf Asset Management's portfolio in Q1 2026, its #1948 holding.
  • Smartleaf Asset Management first reported a position in Magnite in Q2 2024 and has held it in 8 quarters since.
  • Smartleaf Asset Management's Magnite position peaked at $71.5K in Q2 2025.
  • 296 funds tracked by Wall St. Rank held Magnite as of Q1 2026.

Based on Smartleaf Asset Management's 13F filing for Q1 2026, filed 15 May 2026.