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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 %
SIMG
26
Stephens Investment Management Group
Texas
$10.8M -$525K -45,988 -5%
Goldman Sachs
27
Goldman Sachs
New York
$10.6M -$2.55M -223,746 -19%
KCM
28
Kennedy Capital Management
Missouri
$10.5M -$6.23M -545,854 -37%
PCM
29
Penn Capital Management
Pennsylvania
$10.5M +$1.55M +135,800 +17%
Bank of America
30
Bank of America
North Carolina
$10.4M +$6.42M +562,648 +160%
Verition Fund Management
31
Verition Fund Management
Connecticut
$10.3M +$10.3M +906,099 New
GC
32
Grizzlyrock Capital
Illinois
$10.3M +$399K +35,000 +4%
Nordea Investment Management
33
Nordea Investment Management
Sweden
$10.1M +$98.4K +8,782 +1%
Morgan Stanley
34
Morgan Stanley
New York
$9.99M -$3.7M -324,035 -27%
SAM
35
Silvercrest Asset Management
New York
$9.22M -$2.98M -261,506 -24%
MIM
36
Meros Investment Management
Texas
$8.55M -$2.03M -177,973 -19%
IECM
37
Intrinsic Edge Capital Management
Illinois
$8.36M +$154K +13,512 +2%
GIP
38
Granite Investment Partners
California
$8.23M -$2.14M -187,938 -21%
New York State Common Retirement Fund
39
New York State Common Retirement Fund
New York
$7.49M -$131K -11,457 -2%
Ameriprise
40
Ameriprise
Minnesota
$7.34M -$268K -23,457 -4%
Universal-Beteiligungs- und Servicegesellschaft
41
Universal-Beteiligungs- und Servicegesellschaft
Germany
$6.85M -$1.08M -95,089 -14%
KAM
42
Kopion Asset Management
Texas
$6.83M -$485K -42,509 -7%
Citadel Advisors
43
Citadel Advisors
Florida
$6.77M +$3.23M +282,690 +91%
HCA
44
Harbor Capital Advisors
Illinois
$6.75M -$2.87M -251,448 -30%
Luther King Capital Management (LKCM)
45
Luther King Capital Management (LKCM)
Texas
$6.65M +$550K +48,219 +9%
DIA
46
Dana Investment Advisors
Wisconsin
$6.39M +$989K +86,696 +18%
First Eagle Investment Management
47
First Eagle Investment Management
New York
$5.66M +$1.47M +128,500 +35%
WAM
48
Weiss Asset Management
Massachusetts
$5.19M +$3.63M +318,076 +232%
Russell Investments Group
49
Russell Investments Group
United Kingdom
$5.11M +$1.95M +170,480 +61%
Millennium Management
50
Millennium Management
New York
$4.96M +$2.46M +215,513 +98%
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