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Kennedy Capital Management’s Magnite MGNI Stock Holding History

Kennedy 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
2026
Q1 		$20.8M Buy
1,753,542
+317,572
+22% +$4.26M 0.44% 56
2025
Q4 		$23.3M Buy
1,435,970
+222,357
+18% +$3.69M 0.49% 44
2025
Q3 		$26.4M Buy
1,213,613
+344,466
+40% +$8.13M 0.58% 21
2025
Q2 		$21M Sell
869,147
-54,766
-6% -$807K 0.5% 36
2025
Q1 		$10.5M Sell
923,913
-545,854
-37% -$8.7M 0.25% 130
2024
Q4 		$23.4M Sell
1,469,767
-57,924
-4% -$850K 0.52% 22
2024
Q3 		$21.2M Sell
1,527,691
-237,275
-13% -$3.23M 0.47% 28
2024
Q2 		$23.5M Buy
1,764,966
+206,226
+13% +$2.25M 0.5% 26
2024
Q1 		$16.8M Sell
1,558,740
-832,146
-35% -$8.31M 0.34% 72
2023
Q4 		$22.3M Sell
2,390,886
-301,485
-11% -$2.38M 0.49% 30
2023
Q3 		$20.3M Buy
2,692,371
+74,367
+3% +$802K 0.49% 30
2023
Q2 		$35.7M Buy
2,618,004
+994,790
+61% +$11.1M 0.83% 6
2023
Q1 		$15M Sell
1,623,214
-1,245
-0.1% -$13.3K 0.44% 47
2022
Q4 		$17.2M Buy
1,624,459
+321,879
+25% +$2.94M 0.49% 31
2022
Q3 		$8.56M Buy
1,302,580
+84,221
+7% +$678K 0.25% 124
2022
Q2 		$10.8M Buy
1,218,359
+484,614
+66% +$5.19M 0.3% 99
2022
Q1 		$9.69M Buy
733,745
+319,162
+77% +$4.3M 0.23% 149
2021
Q4 		$7.25M Buy
414,583
+327,533
+376% +$7.38M 0.15% 249
2021
Q3 		$2.44M Buy
+87,050
New +$2.62M 0.05% 451
2021
Q2 		– Sell
-20,571
Closed -$856K – 657
2021
Q1 		$856K Buy
+20,571
New +$891K 0.02% 560

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

Kennedy Capital Management's MGNI Position: Q1 2026 in Review

Kennedy Capital Management increased its Magnite (MGNI) stake by 22% in Q1 2026, buying an estimated $4.26M and bringing the position to 1,753,542 shares worth $20.8M. The position accounts for 0.44% of the portfolio, ranked #56.

Kennedy Capital Management first reported a position in MGNI in Q1 2021 and has held it in 20 quarters since. The position peaked at $35.7M in Q2 2023. 296 funds tracked by Wall St. Rank hold MGNI as of Q1 2026.

  • Kennedy Capital Management held 1,753,542 shares of Magnite worth $20.8M as of Q1 2026.
  • Kennedy Capital Management bought 317,572 Magnite shares in Q1 2026, an estimated $4.26M.
  • Magnite made up 0.44% of Kennedy Capital Management's portfolio in Q1 2026, its #56 holding.
  • Kennedy Capital Management first reported a position in Magnite in Q1 2021 and has held it in 20 quarters since.
  • Kennedy Capital Management's Magnite position peaked at $35.7M in Q2 2023.
  • 296 funds tracked by Wall St. Rank held Magnite as of Q1 2026.

Based on Kennedy Capital Management's 13F filing for Q1 2026, filed 13 May 2026.