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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 %
Commonwealth Equity Services
76
Commonwealth Equity Services
Massachusetts
$1.89M +$45.9K +4,019 +2%
HCM
77
Hilton Capital Management
New York
$1.86M +$75.4K +6,606 +4%
RHJA
78
Rice Hall James & Associates
California
$1.79M -$361K -31,627 -17%
AAP
79
Ardsley Advisory Partners
Connecticut
$1.78M +$1.78M +156,000 New
Citigroup
80
Citigroup
New York
$1.75M -$2.11M -185,117 -55%
PAWC
81
P.A.W. Capital
Connecticut
$1.71M -$513K -45,000 -23%
Royal Bank of Canada
82
Royal Bank of Canada
Ontario, Canada
$1.69M +$245K +21,502 +17%
PCM
83
Perkins Capital Management
Minnesota
$1.66M +$14.8K +1,300 +0.9%
LCG
84
Lisanti Capital Growth
New York
$1.64M -$276K -24,190 -14%
Legal & General Group
85
Legal & General Group
United Kingdom
$1.63M +$38.2K +3,349 +2%
AllianceBernstein
86
AllianceBernstein
Tennessee
$1.56M – – –
XT
87
XTX Topco
Cayman Islands
$1.54M +$1.54M +135,118 New
Deutsche Bank
88
Deutsche Bank
Germany
$1.5M -$225K -19,736 -13%
California State Teachers Retirement System (CalSTRS)
89
California State Teachers Retirement System (CalSTRS)
California
$1.48M +$130K +11,387 +10%
TI
90
Tidal Investments
Wisconsin
$1.48M +$4.78K +419 +0.3%
Franklin Resources
91
Franklin Resources
California
$1.45M -$9.46K -829 -0.6%
WCM
92
Wedge Capital Management
North Carolina
$1.43M +$222K +19,500 +18%
Principal Financial Group
93
Principal Financial Group
Iowa
$1.42M +$16.8K +1,474 +1%
Squarepoint
94
Squarepoint
New York
$1.41M -$2.16M -189,025 -60%
LPL Financial
95
LPL Financial
California
$1.4M -$82.7K -7,251 -6%
Victory Capital Management
96
Victory Capital Management
Texas
$1.38M -$12.1M -1,059,946 -90%
DTL
97
Dynamic Technology Lab
Singapore
$1.37M +$1.37M +120,258 New
MHP
98
Manatuck Hill Partners
Connecticut
$1.28M -$332K -29,100 -21%
IIM
99
INTECH Investment Management
Florida
$1.26M +$639K +55,971 +104%
State of New Jersey Common Pension Fund D
100
State of New Jersey Common Pension Fund D
New Jersey
$1.25M +$1.25M +109,356 New
2 3
4
5 6