MGNI icon

Magnite

308 hedge funds and large institutions have $3B invested in Magnite in 2025 Q3 according to their latest regulatory filings, with 69 funds opening new positions, 81 increasing their positions, 123 reducing their positions, and 41 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding

Funds holding:

less ownership

Funds ownership:

15% less capital invested

Capital invested by funds: $3.54B → $3B (-$540M)

31% less funds holding in top 10

Funds holding in top 10: 1611 (-5)

34% less repeat investments, than reductions

Existing positions increased: 81 | Existing positions reduced: 123

Holders
308
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
11
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$132M
Puts
$89.4M
Net Calls
Net Calls Change

Top Buyers

1 +$52.9M
2 +$27.5M
3 +$23.8M
4
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
+$19.4M
5
Morgan Stanley
Morgan Stanley
New York
+$19.1M

Top Sellers

1 -$129M
2 -$45.8M
3 -$32.7M
4
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
-$29.1M
5
UBS Group
UBS Group
Switzerland
-$28.5M
Name Holding Trade Value Shares
Change
Change in
Stake
SWM
126
Steinberganna Wealth Management
New York
$1.5M
Manulife (Manufacturers Life Insurance)
127
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1.46M
Mirae Asset Global ETFs Holdings
128
Mirae Asset Global ETFs Holdings
Hong Kong
$1.42M
Brown Advisory
129
Brown Advisory
Maryland
$1.41M
FRM
130
Fox Run Management
Connecticut
$1.39M
ASN
131
Advisory Services Network
Georgia
$1.39M
AAP
132
Ardsley Advisory Partners
Connecticut
$1.31M
IIM
133
INTECH Investment Management
Florida
$1.29M
Stifel Financial
134
Stifel Financial
Missouri
$1.29M
BFM
135
Boothbay Fund Management
New York
$1.28M
Janus Henderson Group
136
Janus Henderson Group
United Kingdom
$1.27M
GI
137
GAMCO Investors
Connecticut
$1.23M
Osaic Holdings
138
Osaic Holdings
Arizona
$1.2M
Calamos Advisors
139
Calamos Advisors
Illinois
$1.13M
Zurich Cantonal Bank
140
Zurich Cantonal Bank
Switzerland
$1.06M
AQR Capital Management
141
AQR Capital Management
Connecticut
$1.05M
AG
142
Algert Global
California
$1.03M
Victory Capital Management
143
Victory Capital Management
Texas
$1.01M
PA
144
Pinnacle Associates
New York
$998K
Canada Life
145
Canada Life
Manitoba, Canada
$992K
SO
146
STRS Ohio
Ohio
$956K
HA
147
Homestead Advisers
Virginia
$956K
Royal Bank of Canada
148
Royal Bank of Canada
Ontario, Canada
$951K
HSBC Holdings
149
HSBC Holdings
United Kingdom
$917K
ASRS
150
Arizona State Retirement System
Arizona
$909K