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Prelude Capital Management’s Magnite MGNI Stock Holding History

Prelude Capital 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
2020
Q1 		– Sell
-5,000
Closed -$41K – 1803
2019
Q4 		$41K Buy
+5,000
New +$41.1K ﹤0.01% 1410

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

Prelude Capital Management's MGNI Position: Q1 2026 in Review

Prelude Capital Management reduced its Magnite (MGNI) stake by 88% in Q1 2026, selling an estimated $1.8M and leaving 17,889 shares worth $213K. The position accounts for 0.02% of the portfolio, ranked #881.

Prelude Capital Management first reported a position in MGNI in Q2 2015 and has held it in 30 quarters since. The position peaked at $3.7M in Q2 2025. 296 funds tracked by Wall St. Rank hold MGNI as of Q1 2026.

  • Prelude Capital Management held 17,889 shares of Magnite worth $213K as of Q1 2026.
  • Prelude Capital Management sold 134,311 Magnite shares in Q1 2026, an estimated $1.8M.
  • Magnite made up 0.02% of Prelude Capital Management's portfolio in Q1 2026, its #881 holding.
  • Prelude Capital Management first reported a position in Magnite in Q2 2015 and has held it in 30 quarters since.
  • Prelude Capital Management's Magnite position peaked at $3.7M in Q2 2025.
  • 296 funds tracked by Wall St. Rank held Magnite as of Q1 2026.

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