Rockefeller Capital Management
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Rockefeller Capital Management’s Magnite MGNI Stock Holding History

Rockefeller 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
Q2 		$94.6K Buy
4,982
+200
+4% +$2.87K ﹤0.01% 3014
2026
Q1 		$56.8K Sell
4,782
-3,620
-43% -$48.5K ﹤0.01% 3204
2025
Q4 		$136K Buy
8,402
+7,136
+564% +$118K ﹤0.01% 2563
2025
Q3 		$27.6K Buy
+1,266
New +$29.9K ﹤0.01% 3191
2023
Q1 		– Sell
-3,057
Closed -$31K – 3127
2022
Q4 		$31K Buy
3,057
+921
+43% +$8.41K ﹤0.01% 2616
2022
Q3 		$13K Sell
2,136
-63
-3% -$507 ﹤0.01% 2969
2022
Q2 		$19K Sell
2,199
-76
-3% -$814 ﹤0.01% 2779
2022
Q1 		$29K Sell
2,275
-111
-5% -$1.5K ﹤0.01% 2567
2021
Q4 		$40K Sell
2,386
-174
-7% -$3.92K ﹤0.01% 2319
2021
Q3 		$71K Hold
2,560
– – ﹤0.01% 1992
2021
Q2 		$85K Buy
2,560
+160
+7% +$5.42K ﹤0.01% 1864
2021
Q1 		$99K Buy
2,400
+189
+9% +$8.19K ﹤0.01% 1599
2020
Q4 		$66K Buy
+2,211
New +$33.5K ﹤0.01% 1592

Other funds holding MGNI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return

Rockefeller Capital Management's MGNI Position: Q2 2026 in Review

Rockefeller Capital Management increased its Magnite (MGNI) stake by 4.2% in Q2 2026, buying an estimated $2.87K and bringing the position to 4,982 shares worth $94.6K. The position accounts for ﹤0.01% of the portfolio, ranked #3014.

Rockefeller Capital Management first reported a position in MGNI in Q4 2020 and has held it in 13 quarters since. The position peaked at $136K in Q4 2025. 311 funds tracked by Wall St. Rank hold MGNI as of Q2 2026.

  • Rockefeller Capital Management held 4,982 shares of Magnite worth $94.6K as of Q2 2026.
  • Rockefeller Capital Management bought 200 Magnite shares in Q2 2026, an estimated $2.87K.
  • Magnite made up ﹤0.01% of Rockefeller Capital Management's portfolio in Q2 2026, its #3014 holding.
  • Rockefeller Capital Management first reported a position in Magnite in Q4 2020 and has held it in 13 quarters since.
  • Rockefeller Capital Management's Magnite position peaked at $136K in Q4 2025.
  • 311 funds tracked by Wall St. Rank held Magnite as of Q2 2026.

Based on Rockefeller Capital Management's 13F filing for Q2 2026, filed 13 Aug 2026.