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Flagship Harbor Advisors’s Magnite MGNI Stock Holding History

Flagship Harbor Advisors’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
-175
Closed -$2.84K – 1600
2025
Q4 		$2.84K Buy
+175
New +$2.9K ﹤0.01% 1778
2020
Q3 		– Sell
-500
Closed -$3K – 2077
2020
Q2 		$3K Buy
+500
New +$3.12K ﹤0.01% 1726

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

Flagship Harbor Advisors's MGNI Position: Q1 2026 in Review

Flagship Harbor Advisors sold out of Magnite (MGNI) in Q1 2026, closing a stake of 175 shares — an estimated $2.84K sold.

Flagship Harbor Advisors first reported a position in MGNI in Q2 2020 and held it in 2 quarters. The position peaked at $3K in Q2 2020. 297 funds tracked by Wall St. Rank hold MGNI as of Q1 2026.

  • Flagship Harbor Advisors reported no remaining Magnite position as of Q1 2026 after selling out during the quarter.
  • Flagship Harbor Advisors sold 175 Magnite shares in Q1 2026, an estimated $2.84K.
  • Flagship Harbor Advisors first reported a position in Magnite in Q2 2020 and held it in 2 quarters.
  • Flagship Harbor Advisors's Magnite position peaked at $3K in Q2 2020.
  • 297 funds tracked by Wall St. Rank held Magnite as of Q1 2026.

Based on Flagship Harbor Advisors's 13F filing for Q1 2026, filed 28 Apr 2026.