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MediaAlpha

155 hedge funds and large institutions have $544M invested in MediaAlpha in 2025 Q3 according to their latest regulatory filings, with 25 funds opening new positions, 64 increasing their positions, 47 reducing their positions, and 21 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
155
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.21M
Puts
$876K
Net Calls
Net Calls Change

Top Buyers

1 +$13.8M
2 +$7.27M
3 +$5.69M
4
GIPM
G2 Investment Partners Management
New York
+$4.14M
5
JGC
J. Goldman & Co
New York
+$3.93M

Top Sellers

1 -$11.4M
2 -$8.02M
3 -$4.86M
4
BlackRock
BlackRock
New York
-$4.75M
5
UBS Group
UBS Group
Switzerland
-$4.3M
Name Holding Trade Value Shares
Change
Change in
Stake
Zurich Cantonal Bank
101
Zurich Cantonal Bank
Switzerland
$212K
QCM
102
Quantinno Capital Management
New York
$196K
CC
103
Corton Capital
Ontario, Canada
$191K
Mirae Asset Global ETFs Holdings
104
Mirae Asset Global ETFs Holdings
Hong Kong
$178K
OR
105
Olympiad Research
Connecticut
$176K
Mackenzie Financial
106
Mackenzie Financial
Ontario, Canada
$172K
AIM
107
Aigen Investment Management
New York
$150K
Mercer Global Advisors
108
Mercer Global Advisors
Colorado
$146K
VF
109
Virtu Financial
New York
$145K
CAM
110
Cresset Asset Management
Illinois
$142K
PCM
111
Polymer Capital Management
New York
$141K
IIM
112
INTECH Investment Management
Florida
$141K
BHCM
113
Brevan Howard Capital Management
Jersey
$140K
Manulife (Manufacturers Life Insurance)
114
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$134K
LPL Financial
115
LPL Financial
California
$119K
PCA
116
Pallas Capital Advisors
Massachusetts
$118K
PFSRSONJ
117
Police & Firemen's Retirement System of New Jersey
New Jersey
$114K
A
118
AlphaQuest
New York
$112K
New York State Common Retirement Fund
119
New York State Common Retirement Fund
New York
$71.3K
KK
120
KLP Kapitalforvaltning
Norway
$67.5K
TRCT
121
Tower Research Capital (TRC)
New York
$50K
Fidelity Investments
122
Fidelity Investments
Massachusetts
$46.7K
QL
123
Quarry LP
New York
$46.5K
Citigroup
124
Citigroup
New York
$38.1K
AIP
125
Ameritas Investment Partners
Nebraska
$34.4K