MGNI icon

Magnite
MGNI

Overview Fund Activity

290 hedge funds and large institutions have $1.51B invested in Magnite in 2025 Q1 according to their latest regulatory filings, with 53 funds opening new positions, 102 increasing their positions, 96 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
290
Holders Change
+7
Holders Change %
+2.47%
% of All Funds
3.94%
Holding in Top 10
7
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-30%
% of All Funds
0.1%
New
53
Increased
102
Reduced
96
Closed
42
Calls
$41.6M
Puts
$50.1M
Net Calls
-$8.44M
Net Calls Change
-$4.39M

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$110M
2
Capital Research Global Investors
2
Capital Research Global Investors
California
$147M
3
American Century Companies
3
American Century Companies
Missouri
$33.8M
4
Pacer Advisors
4
Pacer Advisors
Pennsylvania
$12.6M
5
EC
5
Edenbrook Capital
New York
$45.8M

Top Sellers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$67.4M
2
Victory Capital Management
2
Victory Capital Management
Texas
$1.38M
3
GIM
3
Granahan Investment Management
Massachusetts
$30.2M
4
DCM
4
Driehaus Capital Management
Illinois
$27.5M
5
WJWM
5
Williams Jones Wealth Management
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
MNBTD
101
Moody National Bank Trust Division
Texas
$1.19M -$69.5K -6,088 -6%
PEAK6
102
PEAK6
Illinois
$1.18M +$1.18M +103,167 New
Thrivent Financial for Lutherans
103
Thrivent Financial for Lutherans
Minnesota
$1.17M -$308 -27 -0%
Osaic Holdings
104
Osaic Holdings
Arizona
$1.16M +$570K +49,995 +96%
Cerity Partners
105
Cerity Partners
New York
$1.14M -$4.5K -394 -0.4%
T. Rowe Price Associates
106
T. Rowe Price Associates
Maryland
$1.13M +$47.4K +4,148 +4%
Wells Fargo
107
Wells Fargo
California
$1.07M -$1.53M -134,089 -59%
RP
108
Riverwater Partners
Wisconsin
$960K +$114 +10 +0%
ASN
109
Advisory Services Network
Georgia
$955K -$500K -43,832 -34%
AMC
110
Atlas Merchant Capital
New York
$941K – – –
GI
111
GAMCO Investors
Connecticut
$899K -$66.7K -5,846 -7%
FRM
112
Fox Run Management
Connecticut
$881K +$881K +77,223 New
Mirae Asset Global ETFs Holdings
113
Mirae Asset Global ETFs Holdings
Hong Kong
$854K +$37.3K +3,267 +5%
MIM
114
MetLife Investment Management
New Jersey
$854K -$13.6K -1,188 -2%
Manulife (Manufacturers Life Insurance)
115
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$836K +$16.9K +1,478 +2%
SI
116
Stephens Inc
Arkansas
$786K -$5.71K -500 -0.7%
GCA
117
Greenwood Capital Associates
South Carolina
$756K +$21.1K +1,852 +3%
CIBC World Market
118
CIBC World Market
Ontario, Canada
$748K +$748K +65,543 New
Calamos Advisors
119
Calamos Advisors
Illinois
$745K +$344K +30,132 +86%
CF
120
Corebridge Financial
Texas
$703K -$10.4K -914 -1%
PA
121
Pinnacle Associates
New York
$688K -$3.1M -271,666 -82%
Ensign Peak Advisors
122
Ensign Peak Advisors
Utah
$679K – – –
Janus Henderson Group
123
Janus Henderson Group
United Kingdom
$677K – – –
Stifel Financial
124
Stifel Financial
Missouri
$620K -$20.8K -1,827 -3%
CPCM
125
Cardinal Point Capital Management
Ontario, Canada
$614K +$614K +53,800 New
3 4
5
6 7