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CIBC World Markets’s Magnite MGNI Stock Holding History

CIBC World Markets’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
Q2 		$416K Sell
17,256
-10,662
-38% -$157K ﹤0.01% 946
2025
Q1 		$319K Buy
27,918
+16,144
+137% +$257K ﹤0.01% 1222
2024
Q4 		$187K Buy
+11,774
New +$173K ﹤0.01% 1148

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
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
GIM
Granahan Investment Management Waltham, Massachusetts $2.07B AUM 56.45% 1-Year Est. Return
EC
Edenbrook Capital Mt. Kisco, New York $321M AUM 79.21% 1-Year Est. Return

CIBC World Markets's MGNI Position: Q2 2025 in Review

CIBC World Markets reduced its Magnite (MGNI) stake by 38% in Q2 2025, selling an estimated $157K and leaving 17,256 shares worth $416K. The position accounts for ﹤0.01% of the portfolio, ranked #946.

CIBC World Markets first reported a position in MGNI in Q4 2024 and has held it in 3 quarters since. 286 funds tracked by Wall St. Rank hold MGNI as of Q2 2025.

  • CIBC World Markets held 17,256 shares of Magnite worth $416K as of Q2 2025.
  • CIBC World Markets sold 10,662 Magnite shares in Q2 2025, an estimated $157K.
  • Magnite made up ﹤0.01% of CIBC World Markets's portfolio in Q2 2025, its #946 holding.
  • CIBC World Markets first reported a position in Magnite in Q4 2024 and has held it in 3 quarters since.
  • 286 funds tracked by Wall St. Rank held Magnite as of Q2 2025.

Based on CIBC World Markets's 13F filing for Q2 2025, filed 14 Aug 2025.