BFM
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Boothbay Fund Management’s Magnite MGNI Stock Holding History

Boothbay Fund 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
2022
Q2 		– Sell
-60,000
Closed -$793K – 2502
2022
Q1 		$793K Sell
60,000
-40,000
-40% -$539K 0.02% 1037
2021
Q4 		$1.75M Buy
+100,000
New +$2.25M 0.04% 526

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

Boothbay Fund Management's MGNI Position: Q1 2026 in Review

Boothbay Fund Management sold out of Magnite (MGNI) in Q1 2026, closing a stake of 117,842 shares — an estimated $1.91M sold.

Boothbay Fund Management first reported a position in MGNI in Q4 2018 and held it in 20 quarters. The position peaked at $3.43M in Q3 2020. 297 funds tracked by Wall St. Rank hold MGNI as of Q1 2026.

  • Boothbay Fund Management reported no remaining Magnite position as of Q1 2026 after selling out during the quarter.
  • Boothbay Fund Management sold 117,842 Magnite shares in Q1 2026, an estimated $1.91M.
  • Boothbay Fund Management first reported a position in Magnite in Q4 2018 and held it in 20 quarters.
  • Boothbay Fund Management's Magnite position peaked at $3.43M in Q3 2020.
  • 297 funds tracked by Wall St. Rank held Magnite as of Q1 2026.

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