Jupiter Asset Management’s Magnite MGNI Stock Holding History

Jupiter Asset 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	$506K	Sell	26,657 -42,784	-62%	-$613K	﹤0.01%	464
2026 Q1	$825K	Buy	+69,441	New	+$931K	﹤0.01%	440
2017 Q3	–	Sell	-446,287	Closed	-$2.29M	–	222
2017 Q2	$2.29M	Sell	446,287 -21,877	-5%	-$120K	0.08%	194
2017 Q1	$2.76M	Buy	468,164 +2,110	+0.5%	+$16.4K	0.1%	191
2016 Q4	$3.46M	Sell	466,054 -1,307	-0.3%	-$10.2K	0.13%	174
2016 Q3	$3.87M	Buy	467,361 +102,060	+28%	+$1.08M	0.15%	164
2016 Q2	$4.99M	Buy	365,301 +38,178	+12%	+$615K	0.19%	143
2016 Q1	$5.98M	Sell	327,123 -6,693	-2%	-$102K	0.23%	110
2015 Q4	$5.49M	Hold	333,816	–	–	0.2%	123
2015 Q3	$4.85M	Buy	333,816 +27,874	+9%	+$425K	0.19%	128
2015 Q2	$4.58M	Buy	+305,942	New	+$5.27M	0.16%	158

Other funds holding MGNI

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return

Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return

Jupiter Asset Management's MGNI Position: Q2 2026 in Review

Jupiter Asset Management reduced its Magnite (MGNI) stake by 62% in Q2 2026, selling an estimated $613K and leaving 26,657 shares worth $506K. The position accounts for ﹤0.01% of the portfolio, ranked #464.

Jupiter Asset Management first reported a position in MGNI in Q2 2015 and has held it in 11 quarters since. The position peaked at $5.98M in Q1 2016. 310 funds tracked by Wall St. Rank hold MGNI as of Q2 2026.

Jupiter Asset Management held 26,657 shares of Magnite worth $506K as of Q2 2026.
Jupiter Asset Management sold 42,784 Magnite shares in Q2 2026, an estimated $613K.
Magnite made up ﹤0.01% of Jupiter Asset Management's portfolio in Q2 2026, its #464 holding.
Jupiter Asset Management first reported a position in Magnite in Q2 2015 and has held it in 11 quarters since.
Jupiter Asset Management's Magnite position peaked at $5.98M in Q1 2016.
310 funds tracked by Wall St. Rank held Magnite as of Q2 2026.

Based on Jupiter Asset Management's 13F filing for Q2 2026, filed 10 Aug 2026.