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Bridgewater Associates’s Magnite MGNI Stock Holding History

Bridgewater Associates’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
-145,187
Closed -$2.36M – 1144
2025
Q4 		$2.36M Sell
145,187
-484
-0.3% -$8.03K 0.01% 729
2025
Q3 		$3.17M Buy
+145,671
New +$3.44M 0.01% 605

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

Bridgewater Associates's MGNI Position: Q1 2026 in Review

Bridgewater Associates sold out of Magnite (MGNI) in Q1 2026, closing a stake of 145,187 shares — an estimated $2.36M sold.

Bridgewater Associates first reported a position in MGNI in Q3 2025 and held it in 2 quarters. The position peaked at $3.17M in Q3 2025. 297 funds tracked by Wall St. Rank hold MGNI as of Q1 2026.

  • Bridgewater Associates reported no remaining Magnite position as of Q1 2026 after selling out during the quarter.
  • Bridgewater Associates sold 145,187 Magnite shares in Q1 2026, an estimated $2.36M.
  • Bridgewater Associates first reported a position in Magnite in Q3 2025 and held it in 2 quarters.
  • Bridgewater Associates's Magnite position peaked at $3.17M in Q3 2025.
  • 297 funds tracked by Wall St. Rank held Magnite as of Q1 2026.

Based on Bridgewater Associates's 13F filing for Q1 2026, filed 15 May 2026.