AIP
MGNI icon

ARS Investment Partners’s Magnite MGNI Stock Holding History

ARS Investment Partners’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
-14,000
Closed -$227K – 202
2025
Q4 		$227K Buy
14,000
+2,000
+17% +$33.2K 0.01% 179
2025
Q3 		$261K Sell
12,000
-10,500
-47% -$248K 0.02% 164
2025
Q2 		$543K Buy
+22,500
New +$331K 0.04% 113
2024
Q4 		– Sell
-10,000
Closed -$139K – 186
2024
Q3 		$139K Buy
+10,000
New +$136K 0.01% 166

Other funds holding MGNI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return

ARS Investment Partners's MGNI Position: Q1 2026 in Review

ARS Investment Partners sold out of Magnite (MGNI) in Q1 2026, closing a stake of 14,000 shares — an estimated $227K sold.

ARS Investment Partners first reported a position in MGNI in Q3 2024 and held it in 4 quarters. The position peaked at $543K in Q2 2025. 296 funds tracked by Wall St. Rank hold MGNI as of Q1 2026.

  • ARS Investment Partners reported no remaining Magnite position as of Q1 2026 after selling out during the quarter.
  • ARS Investment Partners sold 14,000 Magnite shares in Q1 2026, an estimated $227K.
  • ARS Investment Partners first reported a position in Magnite in Q3 2024 and held it in 4 quarters.
  • ARS Investment Partners's Magnite position peaked at $543K in Q2 2025.
  • 296 funds tracked by Wall St. Rank held Magnite as of Q1 2026.

Based on ARS Investment Partners's 13F filing for Q1 2026, filed 16 Apr 2026.