GC
MGNI icon

Grizzlyrock Capital’s Magnite MGNI Stock Holding History

Grizzlyrock 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
Q1 		$14.7M Buy
1,238,680
+666,774
+117% +$8.94M 11.65% 3
2025
Q4 		$9.28M Buy
571,906
+181,000
+46% +$3M 6.95% 4
2025
Q3 		$8.51M Sell
390,906
-583,417
-60% -$13.8M 6.61% 5
2025
Q2 		$23.5M Buy
974,323
+75,782
+8% +$1.12M 16.01% 1
2025
Q1 		$10.3M Buy
898,541
+35,000
+4% +$558K 9.3% 3
2024
Q4 		$13.7M Sell
863,541
-4,630
-0.5% -$67.9K 14.36% 3
2024
Q3 		$12M Buy
868,171
+65,004
+8% +$886K 10.37% 3
2024
Q2 		$10.7M Buy
803,167
+117,810
+17% +$1.29M 8.86% 3
2024
Q1 		$7.37M Sell
685,357
-27,273
-4% -$273K 6.03% 8
2023
Q4 		$6.66M Buy
+712,630
New +$5.63M 5% 8

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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