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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 $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

Boothbay Fund Management's MGNI Position: Q2 2026 in Review

Boothbay Fund Management opened a new position in Magnite (MGNI) in Q2 2026: 42,705 shares worth $811K. The stake represents 0.01% of the portfolio and ranks #1226 among its holdings. This is a return to the name: Boothbay Fund Management previously reported a position in MGNI as recently as Q4 2025.

Boothbay Fund Management first reported a position in MGNI in Q4 2018 and has held it in 21 quarters since. The position peaked at $3.43M in Q3 2020. 311 funds tracked by Wall St. Rank hold MGNI as of Q2 2026.

  • Boothbay Fund Management held 42,705 shares of Magnite worth $811K as of Q2 2026.
  • Magnite was a new Boothbay Fund Management position in Q2 2026.
  • Magnite made up 0.01% of Boothbay Fund Management's portfolio in Q2 2026, its #1226 holding.
  • Boothbay Fund Management first reported a position in Magnite in Q4 2018 and has held it in 21 quarters since.
  • Boothbay Fund Management's Magnite position peaked at $3.43M in Q3 2020.
  • 311 funds tracked by Wall St. Rank held Magnite as of Q2 2026.

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