MediaAlpha Ownership | Who Owns MediaAlpha?


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MediaAlpha Ownership Summary


MediaAlpha is owned by 87.33% institutional investors, 39.94% insiders. White mountains insurance group is the largest institutional shareholder, holding 32.52% of MAX shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 1.87% of its assets in MediaAlpha shares.

MAX Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockMediaAlpha87.33%39.94%-27.27%
SectorCommunication Services Stocks 31.68%14.81%53.51%
IndustryInternet Content & Information Stocks 27.98%14.13%57.89%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
White mountains insurance group17.86M32.52%$201.60M
Vanguard group3.62M6.60%$40.91M
Blackrock funding, inc. /de3.56M6.48%$40.16M
Broad bay capital management, lp2.22M4.04%$25.05M
Timessquare capital management1.63M2.97%$18.39M
Clearline capital lp1.19M2.16%$13.41M
Driehaus capital management960.76K1.75%$10.85M
Goldman sachs group804.93K1.47%$9.09M
Millennium management781.35K1.42%$8.82M
Arrowstreet capital, limited partnership762.58K1.39%$8.61M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
White mountains insurance group17.86M47.31%$201.60M
Broad bay capital management, lp2.22M3.08%$25.05M
Jacobs asset management356.90K2.43%$4.03M
Clearline capital lp1.19M1.78%$13.41M
Shay capital447.50K0.77%$5.05M
Jackson creek investment advisors93.84K0.32%$1.06M
Centerbook partners lp471.86K0.32%$5.33M
Timessquare capital management1.63M0.27%$18.39M
Corton capital38.49K0.25%$434.52K
Alpha dna investment management41.54K0.18%$469.02K

Top Buyers

HolderShares% AssetsChange
Timessquare capital management1.63M0.27%712.41K
Aqr capital management472.21K0.01%401.81K
Ubs group416.13K0.00%397.02K
Centerbook partners lp471.86K0.32%391.30K
Millennium management781.35K0.00%372.31K

Top Sellers

HolderShares% AssetsChange
Driehaus capital management960.76K0.09%-1.29M
Divisadero street capital management, lp---748.69K
Nuveen asset management587.63K0.00%-551.64K
Invesco---551.49K
Silvercrest asset management group---447.15K

New Positions

HolderShares% AssetsChangeValue
Norges bank281.90K0.00%281.90K$3.18M
Allianz asset management gmbh166.44K0.00%166.44K$1.88M
Schroder investment management group80.82K0.00%80.82K$901.92K
Segall bryant & hamill73.17K0.01%73.17K$826.11K
Blair william & co/il53.07K0.00%53.07K$599.12K

Sold Out

HolderChange
National bank of canada /fi/-1.00
Rothschild investment-5.00
Capital performance advisors llp-6.00
Versant capital management-34.00
Macroview investment management-477.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Dec 31, 20241655.10%47,951,154-1.84%871.10%1016.32%4515.38%
Sep 30, 20241561.96%48,847,573-2.61%880.83%95-14.41%3934.48%
Jun 30, 202415322.40%50,158,10612.78%1031.15%11142.31%29-9.38%
Mar 31, 202412534.41%44,475,6775.45%941.14%7885.71%32-
Dec 31, 2023932.20%42,177,9531.98%911.09%4275.00%32-42.86%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Vanguard Total Stock Mkt Idx Inv1.04M1.87%-
Vanguard US Total Market Shares ETF947.01K1.71%-
Vanguard Small Cap Index843.80K1.52%693.00
iShares Russell 2000 ETF807.98K1.45%9.04K
Vanguard Institutional Extnd Mkt Idx Tr510.56K0.92%917.00
Invesco Dorsey Wright Technology MomtETF483.90K0.88%-
Vanguard Small Cap Growth Index Inv474.05K0.85%-88.00
Nuveen Quant Small Cap Equity R6425.28K0.77%-
Empower Small Cap Growth/TimesSquare SP396.04K0.72%15.73K
BlackRock Advantage Small Cap Core Instl334.25K0.60%-

Recent Insider Transactions


DateNameRoleActivityValue
Oct 30, 2024Nonko Eugene See RemarksSell$1.49M
Oct 30, 2024Yi Steven See RemarksSell$1.49M
May 10, 2024INSIGNIA CAPITAL PARTNERS GP, L.L.C.-Sell$49.21M
May 07, 2024WHITE MOUNTAINS INSURANCE GROUP LTD-Sell$95.00M
Mar 12, 2024INSIGNIA CAPITAL PARTNERS GP, L.L.C.-Sell$58.56M

Insider Transactions Trends


DateBuySell
2025 Q1--
2024 Q4-2
2024 Q3--
2024 Q2-2
2024 Q1-1

MAX Ownership FAQ


Who Owns MediaAlpha?

MediaAlpha shareholders are primarily institutional investors at 87.33%, followed by 39.94% insiders and -27.27% retail investors. The average institutional ownership in MediaAlpha's industry, Internet Content & Information Stocks , is 27.98%, which MediaAlpha exceeds.

Who owns the most shares of MediaAlpha?

MediaAlpha’s largest shareholders are White mountains insurance group (17.86M shares, 32.52%), Vanguard group (3.62M shares, 6.60%), and Blackrock funding, inc. /de (3.56M shares, 6.48%). Together, they hold 45.60% of MediaAlpha’s total shares outstanding.

Does Blackrock own MediaAlpha?

BlackRock is not among the top 10 institutional shareholders of MediaAlpha.

Who is MediaAlpha’s biggest shareholder by percentage of total assets invested?

White mountains insurance group is MediaAlpha’s biggest shareholder by percentage of total assets invested, with 47.31% of its assets in 17.86M MediaAlpha shares, valued at 201.6M$.

Who is the top mutual fund holder of MediaAlpha shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of MediaAlpha shares, with 1.87% of its total shares outstanding invested in 1.04M MediaAlpha shares.

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