Connor, Clark & Lunn Investment Management (CC&L)
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Connor, Clark & Lunn Investment Management (CC&L)’s Magnite MGNI Stock Holding History

Connor, Clark & Lunn Investment Management (CC&L)’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
-225,281
Closed -$5.43M – 1635
2025
Q2 		$5.43M Sell
225,281
-44,005
-16% -$648K 0.02% 550
2025
Q1 		$3.07M Sell
269,286
-36,750
-12% -$586K 0.01% 618
2024
Q4 		$4.87M Buy
306,036
+156,929
+105% +$2.3M 0.02% 488
2024
Q3 		$2.07M Buy
+149,107
New +$2.03M 0.01% 660
2020
Q2 		– Sell
-290,920
Closed -$1.61M – 1123
2020
Q1 		$1.61M Sell
290,920
-236,633
-45% -$2.17M 0.01% 461
2019
Q4 		$4.3M Sell
527,553
-38,725
-7% -$318K 0.03% 295
2019
Q3 		$4.93M Sell
566,278
-24,968
-4% -$219K 0.03% 269
2019
Q2 		$3.76M Buy
591,246
+233,852
+65% +$1.44M 0.02% 329
2019
Q1 		$2.17M Buy
357,394
+109,561
+44% +$564K 0.01% 401
2018
Q4 		$924K Buy
247,833
+76,425
+45% +$292K 0.01% 567
2018
Q3 		$617K Buy
171,408
+86,630
+102% +$306K ﹤0.01% 653
2018
Q2 		$242K Buy
+84,778
New +$202K ﹤0.01% 927
2017
Q4 		– Sell
-46,403
Closed -$181K – 824
2017
Q3 		$181K Buy
46,403
+4,303
+10% +$18.3K ﹤0.01% 763
2017
Q2 		$216K Buy
+42,100
New +$231K ﹤0.01% 729

Other funds holding MGNI

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 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
GIM
Granahan Investment Management Waltham, Massachusetts $2.81B AUM 83.9% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Connor, Clark & Lunn Investment Management (CC&L)'s MGNI Position: Q3 2025 in Review

Connor, Clark & Lunn Investment Management (CC&L) sold out of Magnite (MGNI) in Q3 2025, closing a stake of 225,281 shares — an estimated $5.43M sold.

Connor, Clark & Lunn Investment Management (CC&L) first reported a position in MGNI in Q2 2017 and held it in 14 quarters. The position peaked at $5.43M in Q2 2025. 316 funds tracked by Wall St. Rank hold MGNI as of Q3 2025.

  • Connor, Clark & Lunn Investment Management (CC&L) reported no remaining Magnite position as of Q3 2025 after selling out during the quarter.
  • Connor, Clark & Lunn Investment Management (CC&L) sold 225,281 Magnite shares in Q3 2025, an estimated $5.43M.
  • Connor, Clark & Lunn Investment Management (CC&L) first reported a position in Magnite in Q2 2017 and held it in 14 quarters.
  • Connor, Clark & Lunn Investment Management (CC&L)'s Magnite position peaked at $5.43M in Q2 2025.
  • 316 funds tracked by Wall St. Rank held Magnite as of Q3 2025.

Based on Connor, Clark & Lunn Investment Management (CC&L)'s 13F filing for Q3 2025, filed 13 Nov 2025.