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Michael Gelband’s Magnite MGNI Stock Holding History

Michael Gelband’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
Q2 		$5.16M Buy
271,869
+122,650
+82% +$1.76M 0.03% 482
2026
Q1 		$1.77M Buy
+149,219
New +$2M 0.01% 825
2025
Q3 		– Sell
-35,727
Closed -$862K – 1835
2025
Q2 		$862K Buy
+35,727
New +$526K 0.01% 1002
2025
Q1 		– Sell
-127,645
Closed -$2.03M – 1792
2024
Q4 		$2.03M Buy
+127,645
New +$1.87M 0.01% 698
2024
Q1 		– Sell
-102,610
Closed -$958K – 1786
2023
Q4 		$958K Buy
102,610
+89,530
+684% +$707K 0.01% 837
2023
Q3 		$99K Buy
+13,080
New +$141K ﹤0.01% 1586
2022
Q4 		– Sell
-32,580
Closed -$214K – 1930
2022
Q3 		$214K Sell
32,580
-293,527
-90% -$2.36M ﹤0.01% 1624
2022
Q2 		$2.9M Buy
326,107
+150,667
+86% +$1.61M 0.04% 628
2022
Q1 		$2.32M Buy
175,440
+72,796
+71% +$982K 0.03% 707
2021
Q4 		$1.8M Sell
102,644
-273,190
-73% -$6.16M 0.02% 804
2021
Q3 		$10.5M Buy
375,834
+358,768
+2,102% +$10.8M 0.14% 176
2021
Q2 		$578K Buy
+17,066
New +$578K 0.01% 1289
2021
Q1 		– Sell
-11,366
Closed -$349K – 2405
2020
Q4 		$349K Sell
11,366
-32,352
-74% -$490K ﹤0.01% 1454
2020
Q3 		$304K Buy
+43,718
New +$292K 0.01% 1275
2020
Q1 		– Sell
-20,204
Closed -$165K – 1425
2019
Q4 		$165K Buy
+20,204
New +$166K ﹤0.01% 1375
2019
Q2 		– Sell
-141,478
Closed -$860K – 1251
2019
Q1 		$860K Buy
141,478
+97,951
+225% +$504K 0.06% 214
2018
Q4 		$162K Buy
+43,527
New +$166K 0.01% 284

Other funds holding MGNI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 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 $226B AUM 44.75% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return

Michael Gelband's MGNI Position: Q2 2026 in Review

Michael Gelband increased its Magnite (MGNI) stake by 82% in Q2 2026, buying an estimated $1.76M and bringing the position to 271,869 shares worth $5.16M. The position accounts for 0.03% of the portfolio, ranked #482.

Michael Gelband first reported a position in MGNI in Q4 2018 and has held it in 17 quarters since. The position peaked at $10.5M in Q3 2021. 309 funds tracked by Wall St. Rank hold MGNI as of Q2 2026.

  • Michael Gelband held 271,869 shares of Magnite worth $5.16M as of Q2 2026.
  • Michael Gelband bought 122,650 Magnite shares in Q2 2026, an estimated $1.76M.
  • Magnite made up 0.03% of Michael Gelband's portfolio in Q2 2026, its #482 holding.
  • Michael Gelband first reported a position in Magnite in Q4 2018 and has held it in 17 quarters since.
  • Michael Gelband's Magnite position peaked at $10.5M in Q3 2021.
  • 309 funds tracked by Wall St. Rank held Magnite as of Q2 2026.

Based on ExodusPoint Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.