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FNY Investment Advisers’s Magnite MGNI Stock Holding History

FNY Investment Advisers’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 		– Sell
-4,775
Closed -$77K – 976
2025
Q4 		$77K Buy
4,775
+4,761
+34,007% +$79K 0.02% 380
2025
Q3 		$0 Sell
14
-7,848
-100% -$185K ﹤0.01% 1409
2025
Q2 		$189K Buy
+7,862
New +$116K 0.08% 217
2020
Q4 		– Sell
-166,860
Closed -$1.16M – 870
2020
Q3 		$1.16M Buy
166,860
+39,500
+31% +$264K 0.49% 59
2020
Q2 		$849K Buy
127,360
+64,860
+104% +$405K 0.49% 51
2020
Q1 		$346K Sell
62,500
-4,500
-7% -$41.4K 0.26% 78
2019
Q4 		$546K Buy
67,000
+37,000
+123% +$304K 0.17% 93
2019
Q3 		$261K Buy
+30,000
New +$263K 0.08% 139
2019
Q1 		– Sell
-49,472
Closed -$184K – 846
2018
Q4 		$184K Buy
+49,472
New +$189K 0.06% 133

Other funds holding MGNI

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
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 $113B AUM 38.87% 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

FNY Investment Advisers's MGNI Position: Q1 2026 in Review

FNY Investment Advisers sold out of Magnite (MGNI) in Q1 2026, closing a stake of 4,775 shares — an estimated $77K sold.

FNY Investment Advisers first reported a position in MGNI in Q4 2018 and held it in 9 quarters. The position peaked at $1.16M in Q3 2020. 296 funds tracked by Wall St. Rank hold MGNI as of Q1 2026.

  • FNY Investment Advisers reported no remaining Magnite position as of Q1 2026 after selling out during the quarter.
  • FNY Investment Advisers sold 4,775 Magnite shares in Q1 2026, an estimated $77K.
  • FNY Investment Advisers first reported a position in Magnite in Q4 2018 and held it in 9 quarters.
  • FNY Investment Advisers's Magnite position peaked at $1.16M in Q3 2020.
  • 296 funds tracked by Wall St. Rank held Magnite as of Q1 2026.

Based on FNY Investment Advisers's 13F filing for Q1 2026, filed 15 Apr 2026.