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Magnite
MGNI

Overview Fund Activity

284 hedge funds and large institutions have $3.54B invested in Magnite in 2025 Q2 according to their latest regulatory filings, with 54 funds opening new positions, 101 increasing their positions, 95 reducing their positions, and 57 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
284
Holders Change
-6
Holders Change %
-2.07%
% of All Funds
3.81%
Holding in Top 10
16
Holding in Top 10 Change
+9
Holding in Top 10 Change %
+128.57%
% of All Funds
0.21%
New
54
Increased
101
Reduced
95
Closed
57
Calls
$118M
Puts
$100M
Net Calls
+$17.5M
Net Calls Change
+$26M

Top Buyers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$415M
2
SSA
Schonfeld Strategic Advisors
New York
$45.8M
3
American Century Companies
American Century Companies
Missouri
$116M
4
FCM
Frontier Capital Management
Massachusetts
$43.3M
5
ACA
Apis Capital Advisors
New York
$25.3M

Top Sellers

1
Nordea Investment Management
Nordea Investment Management
Sweden
$7.94M
2
Ameriprise
Ameriprise
Minnesota
$2.56M
3
Bank of America
Bank of America
North Carolina
$9.97M
4
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
$0
5
Wellington Management Group
Wellington Management Group
Massachusetts
$131M
Name Holding Trade Value Shares
Change 		Shares
Change %
Franklin Resources
101
Franklin Resources
California
$2.62M -$460K -19,059 -15%
WCM
102
Wedge Capital Management
North Carolina
$2.6M -$423K -17,532 -14%
Group One Trading
103
Group One Trading
Illinois
$2.58M +$2.36M +97,719 +1,043%
Principal Financial Group
104
Principal Financial Group
Iowa
$2.58M -$423K -17,532 -14%
LPL Financial
105
LPL Financial
California
$2.57M -$381K -15,805 -13%
Ameriprise
106
Ameriprise
Minnesota
$2.56M -$12.9M -536,879 -83%
Thrivent Financial for Lutherans
107
Thrivent Financial for Lutherans
Minnesota
$2.48M – – –
Cerity Partners
108
Cerity Partners
New York
$2.45M +$38.4K +1,591 +2%
TI
109
Tidal Investments
Wisconsin
$2.25M -$871K -36,107 -28%
CP
110
CenterBook Partners
Connecticut
$2.23M -$5.42M -224,738 -71%
MIM
111
MetLife Investment Management
New Jersey
$2.02M +$211K +8,736 +12%
SI
112
Stephens Inc
Arkansas
$2M +$340K +14,079 +20%
SEI Investments
113
SEI Investments
Pennsylvania
$1.98M +$1.02M +42,353 +107%
Stifel Financial
114
Stifel Financial
Missouri
$1.9M +$591K +24,504 +45%
Mirae Asset Global ETFs Holdings
115
Mirae Asset Global ETFs Holdings
Hong Kong
$1.85M +$46.1K +1,913 +3%
IIM
116
INTECH Investment Management
Florida
$1.77M -$883K -36,621 -33%
LCM
117
Legato Capital Management
California
$1.7M +$655K +27,160 +63%
PC
118
Panoramic Capital
California
$1.69M +$1.69M +70,000 New
First Trust Advisors
119
First Trust Advisors
Illinois
$1.68M -$6.14M -254,411 -79%
Manulife (Manufacturers Life Insurance)
120
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1.63M -$135K -5,602 -8%
PA
121
Pinnacle Associates
New York
$1.62M +$162K +6,725 +11%
PP
122
PDT Partners
New York
$1.53M +$1.53M +63,448 New
ASN
123
Advisory Services Network
Georgia
$1.51M -$421K -18,303 -22%
GI
124
GAMCO Investors
Connecticut
$1.44M -$463K -19,203 -24%
WAM
125
Weiss Asset Management
Massachusetts
$1.43M -$9.55M -395,996 -87%
3 4
5
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