TCM
MGNI icon

Tradewinds Capital Management’s Magnite MGNI Stock Holding History

Tradewinds 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
2025
Q3 		– Sell
-20
Closed -$483 – 694
2025
Q2 		$483 Hold
20
– – ﹤0.01% 551
2025
Q1 		$229 Buy
+20
New +$319 ﹤0.01% 621
2023
Q1 		– Sell
-100
Closed -$1.06K – 548
2022
Q4 		$1.06K Hold
100
– – ﹤0.01% 408
2022
Q3 		$1K Hold
100
– – ﹤0.01% 377
2022
Q2 		$1K Hold
100
– – ﹤0.01% 396
2022
Q1 		$1K Buy
+100
New +$1.35K ﹤0.01% 728

Other funds holding MGNI

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
GIM
Granahan Investment Management Waltham, Massachusetts $2.07B AUM 56.45% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Tradewinds Capital Management's MGNI Position: Q3 2025 in Review

Tradewinds Capital Management sold out of Magnite (MGNI) in Q3 2025, closing a stake of 20 shares — an estimated $483 sold.

Tradewinds Capital Management first reported a position in MGNI in Q1 2022 and held it in 6 quarters. The position peaked at $1.06K in Q4 2022. 316 funds tracked by Wall St. Rank hold MGNI as of Q3 2025.

  • Tradewinds Capital Management reported no remaining Magnite position as of Q3 2025 after selling out during the quarter.
  • Tradewinds Capital Management sold 20 Magnite shares in Q3 2025, an estimated $483.
  • Tradewinds Capital Management first reported a position in Magnite in Q1 2022 and held it in 6 quarters.
  • Tradewinds Capital Management's Magnite position peaked at $1.06K in Q4 2022.
  • 316 funds tracked by Wall St. Rank held Magnite as of Q3 2025.

Based on Tradewinds Capital Management's 13F filing for Q3 2025, filed 21 Oct 2025.