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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.

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

Top Sellers

1
Nordea Investment Management
1
Nordea Investment Management
Sweden
$7.94M
2
Ameriprise
2
Ameriprise
Minnesota
$2.56M
3
Bank of America
3
Bank of America
North Carolina
$9.97M
4
Qube Research & Technologies (QRT)
4
Qube Research & Technologies (QRT)
United Kingdom
$0
5
Wellington Management Group
5
Wellington Management Group
Massachusetts
$131M
Name Market Value Shares Shares
Change 		Shares
Change %
BTI
326
Blue Trust Inc
Georgia
– – -609 Closed
HCA
327
Heck Capital Advisors
Wisconsin
– – -592 Closed
SW
328
SVB Wealth
Massachusetts
– – -508 Closed
AAP
329
Arax Advisory Partners
Colorado
– – -454 Closed
CA
330
CoreCap Advisors
Michigan
– – -147 Closed
MPWT
331
MassMutual Private Wealth & Trust
Connecticut
– – -92 Closed
NA
332
NewEdge Advisors
Louisiana
– – -87 Closed
QCG
333
Quadrant Capital Group
Ohio
– – -86 Closed
FHA
334
First Horizon Advisors
Tennessee
– – -78 Closed
National Bank of Canada
335
National Bank of Canada
Quebec, Canada
– – -69 Closed
SC
336
Stephens Consulting
Michigan
– – -60 Closed
HCP
337
Hexagon Capital Partners
Arkansas
– – -46 Closed
BIA
338
Bell Investment Advisors
California
– – -40 Closed
WCM
339
WealthTrak Capital Management
Virginia
– – -5 Closed
RCA
340
Runnymede Capital Advisors
Ohio
– – -2 Closed
TFM
341
TFC Financial Management
Massachusetts
– – -1 Closed
CM
342
Caption Management
Oklahoma
– – – –
UOC
343
UBS O'Connor
Illinois
– – – –
Capital Fund Management (CFM)
344
Capital Fund Management (CFM)
France
– – – –
Tudor Investment Corp
345
Tudor Investment Corp
Connecticut
– – – –
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