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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 %
Bank of America
51
Bank of America
North Carolina
$9.97M -$12.1M -500,006 -55%
Raymond James Financial
52
Raymond James Financial
Florida
$9.49M +$768K +31,825 +9%
AAP
53
Ardsley Advisory Partners
Connecticut
$8.92M +$5.16M +214,000 +137%
LCG
54
Lisanti Capital Growth
New York
$8.88M +$5.41M +224,160 +156%
Susquehanna International Group
55
Susquehanna International Group
Pennsylvania
$8.79M -$899K -37,265 -9%
AACP
56
Advantage Alpha Capital Partners
California
$8.26M -$2.04M -84,587 -20%
DCM
57
Dilation Capital Management
New York
$8.07M +$8.07M +334,725 New
Nordea Investment Management
58
Nordea Investment Management
Sweden
$7.94M -$13.7M -571,854 -63%
Russell Investments Group
59
Russell Investments Group
United Kingdom
$7.77M -$3.04M -125,885 -28%
1CM
60
1492 Capital Management
Wisconsin
$7.76M -$93.6K -3,881 -1%
MHP
61
Manatuck Hill Partners
Connecticut
$7.44M +$4.73M +196,000 +174%
SST
62
S Squared Technology
New York
$7.4M -$1.09M -45,000 -13%
BGC
63
Blue Grotto Capital
Georgia
$6.87M +$6.87M +284,804 New
Jane Street
64
Jane Street
New York
$6.86M +$423K +17,554 +7%
Barclays
65
Barclays
United Kingdom
$6.61M +$2.48M +102,899 +60%
Swiss National Bank
66
Swiss National Bank
Switzerland
$6.58M – – –
RC
67
Roubaix Capital
Colorado
$6.29M +$6.29M +260,735 New
Bank of Montreal
68
Bank of Montreal
Ontario, Canada
$5.85M +$33.8K +1,401 +0.6%
Envestnet Asset Management
69
Envestnet Asset Management
Illinois
$5.84M +$516K +21,394 +10%
Citigroup
70
Citigroup
New York
$5.75M +$2.05M +84,924 +55%
Two Sigma Investments
71
Two Sigma Investments
New York
$5.74M +$4.44M +184,274 +344%
Invesco
72
Invesco
Georgia
$5.55M +$514K +21,302 +10%
VOYA Investment Management
73
VOYA Investment Management
Georgia
$5.54M +$470K +19,494 +9%
Connor, Clark & Lunn Investment Management (CC&L)
74
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$5.43M -$1.06M -44,005 -16%
RhumbLine Advisers
75
RhumbLine Advisers
Massachusetts
$5.39M +$746K +30,924 +16%
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