EC
MGNI icon

Edenbrook Capital’s Magnite MGNI Stock Holding History

Edenbrook Capital’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 		$67.5M Buy
3,555,615
+757,579
+27% +$10.9M 13.6% 2
2026
Q1 		$33.2M Buy
2,798,036
+10,000
+0.4% +$134K 10.35% 3
2025
Q4 		$45.2M Buy
2,788,036
+677,666
+32% +$11.2M 8.44% 5
2025
Q3 		$46M Sell
2,110,370
-1,499,602
-42% -$35.4M 7.85% 7
2025
Q2 		$87.1M Sell
3,609,972
-406,700
-10% -$5.99M 18.71% 1
2025
Q1 		$45.8M Buy
4,016,672
+913,130
+29% +$14.6M 13.38% 2
2024
Q4 		$49.4M Sell
3,103,542
-391,853
-11% -$5.75M 13.94% 3
2024
Q3 		$48.4M Sell
3,495,395
-1,103,605
-24% -$15M 20.49% 1
2024
Q2 		$61.1M Sell
4,599,000
-1,223,255
-21% -$13.4M 23.02% 1
2024
Q1 		$62.6M Sell
5,822,255
-26,143
-0.4% -$261K 14.76% 3
2023
Q4 		$54.6M Hold
5,848,398
– – 14.98% 1
2023
Q3 		$44.1M Sell
5,848,398
-103,618
-2% -$1.12M 9.83% 4
2023
Q2 		$81.2M Sell
5,952,016
-941,063
-14% -$10.5M 15.14% 2
2023
Q1 		$63.8M Hold
6,893,079
– – 13.29% 2
2022
Q4 		$73M Buy
6,893,079
+1,100,283
+19% +$10M 17.23% 1
2022
Q3 		$38.1M Buy
5,792,796
+1,633,560
+39% +$13.1M 9.93% 3
2022
Q2 		$36.9M Buy
4,159,236
+1,052,335
+34% +$11.3M 10.09% 2
2022
Q1 		$41M Buy
3,106,901
+342,485
+12% +$4.62M 7.04% 4
2021
Q4 		$48.4M Buy
2,764,416
+1,144,771
+71% +$25.8M 6.88% 4
2021
Q3 		$45.4M Buy
1,619,645
+294,645
+22% +$8.87M 4.61% 8
2021
Q2 		$44.8M Hold
1,325,000
– – 4.44% 9
2021
Q1 		$55.1M Sell
1,325,000
-492,136
-27% -$21.3M 5.19% 7
2020
Q4 		$55.8M Sell
1,817,136
-2,782,572
-60% -$42.1M 13.59% 3
2020
Q3 		$31.9M Buy
4,599,708
+1,557,617
+51% +$10.4M 10.95% 4
2020
Q2 		$20.3M Buy
+3,042,091
New +$19M 6.5% 4

Other funds holding MGNI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
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
N
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Edenbrook Capital's MGNI Position: Q2 2026 in Review

Edenbrook Capital increased its Magnite (MGNI) stake by 27% in Q2 2026, buying an estimated $10.9M and bringing the position to 3,555,615 shares worth $67.5M. The position accounts for 13.6% of the portfolio, ranked #2.

Edenbrook Capital first reported a position in MGNI in Q2 2020 and has held it in 25 quarters since. The position peaked at $87.1M in Q2 2025. 220 funds tracked by Wall St. Rank hold MGNI as of Q2 2026.

  • Edenbrook Capital held 3,555,615 shares of Magnite worth $67.5M as of Q2 2026.
  • Edenbrook Capital bought 757,579 Magnite shares in Q2 2026, an estimated $10.9M.
  • Magnite made up 13.6% of Edenbrook Capital's portfolio in Q2 2026, its #2 holding.
  • Edenbrook Capital first reported a position in Magnite in Q2 2020 and has held it in 25 quarters since.
  • Edenbrook Capital's Magnite position peaked at $87.1M in Q2 2025.
  • 220 funds tracked by Wall St. Rank held Magnite as of Q2 2026.

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