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Aster Capital Management’s Magnite MGNI Stock Holding History

Aster 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
Q4 		– Sell
-1,594
Closed -$34.7K – 1294
2025
Q3 		$34.7K Sell
1,594
-2,219
-58% -$52.4K 0.02% 571
2025
Q2 		$92K Sell
3,813
-3,609
-49% -$53.2K 0.02% 525
2025
Q1 		$117K Buy
+7,422
New +$118K 0.02% 610

Other funds holding MGNI

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
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
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Aster Capital Management's MGNI Position: Q4 2025 in Review

Aster Capital Management sold out of Magnite (MGNI) in Q4 2025, closing a stake of 1,594 shares — an estimated $34.7K sold.

Aster Capital Management first reported a position in MGNI in Q1 2025 and held it in 3 quarters. The position peaked at $117K in Q1 2025. 304 funds tracked by Wall St. Rank hold MGNI as of Q4 2025.

  • Aster Capital Management reported no remaining Magnite position as of Q4 2025 after selling out during the quarter.
  • Aster Capital Management sold 1,594 Magnite shares in Q4 2025, an estimated $34.7K.
  • Aster Capital Management first reported a position in Magnite in Q1 2025 and held it in 3 quarters.
  • Aster Capital Management's Magnite position peaked at $117K in Q1 2025.
  • 304 funds tracked by Wall St. Rank held Magnite as of Q4 2025.

Based on Aster Capital Management's 13F filing for Q4 2025, filed 17 Feb 2026.