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Virtu Financial’s Magnite MGNI Stock Holding History

Virtu Financial’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 		$238K Buy
+20,044
New +$269K 0.01% 940
2025
Q4 		– Sell
-37,311
Closed -$813K – 2003
2025
Q3 		$813K Buy
+37,311
New +$881K 0.05% 387
2023
Q2 		– Sell
-38,630
Closed -$358K – 1827
2023
Q1 		$358K Buy
+38,630
New +$412K 0.04% 464
2022
Q3 		– Sell
-14,036
Closed -$125K – 2021
2022
Q2 		$125K Buy
+14,036
New +$150K 0.01% 889
2022
Q1 		– Sell
-28,128
Closed -$492K – 1809
2021
Q4 		$492K Buy
28,128
+561
+2% +$12.6K 0.05% 373
2021
Q3 		$772K Buy
+27,567
New +$830K 0.07% 296
2021
Q2 		– Sell
-12,098
Closed -$503K – 1848
2021
Q1 		$503K Sell
12,098
-21,349
-64% -$925K 0.04% 517
2020
Q4 		$1.03M Buy
+33,447
New +$506K 0.11% 216
2019
Q4 		$104K Sell
12,782
-10,307
-45% -$84.7K 0.01% 1078
2019
Q3 		$201K Buy
+23,089
New +$202K 0.02% 967
2019
Q2 		– Sell
-81,922
Closed -$498K – 1696
2019
Q1 		$498K Buy
81,922
+51,337
+168% +$264K 0.03% 561
2018
Q4 		$114K Buy
+30,585
New +$117K 0.01% 1102
2018
Q1 		– Sell
-20,879
Closed -$39K – 2337
2017
Q4 		$39K Sell
20,879
-33,102
-61% -$82.7K ﹤0.01% 2118
2017
Q3 		$210K Buy
+53,981
New +$230K 0.01% 1797

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

Virtu Financial's MGNI Position: Q1 2026 in Review

Virtu Financial opened a new position in Magnite (MGNI) in Q1 2026: 20,044 shares worth $238K. The stake represents 0.01% of the portfolio and ranks #940 among its holdings. This is a return to the name: Virtu Financial previously reported a position in MGNI as recently as Q3 2025.

Virtu Financial first reported a position in MGNI in Q3 2017 and has held it in 14 quarters since. The position peaked at $1.03M in Q4 2020. 297 funds tracked by Wall St. Rank hold MGNI as of Q1 2026.

  • Virtu Financial held 20,044 shares of Magnite worth $238K as of Q1 2026.
  • Magnite was a new Virtu Financial position in Q1 2026.
  • Magnite made up 0.01% of Virtu Financial's portfolio in Q1 2026, its #940 holding.
  • Virtu Financial first reported a position in Magnite in Q3 2017 and has held it in 14 quarters since.
  • Virtu Financial's Magnite position peaked at $1.03M in Q4 2020.
  • 297 funds tracked by Wall St. Rank held Magnite as of Q1 2026.

Based on Virtu Financial's 13F filing for Q1 2026, filed 14 May 2026.