MEDIAALPHA INC-CLASS A (MAX) Institutional Ownership and Insiders Activity
MEDIAALPHA INC-CLASS A (MAX) is widely held by institutional investors, with 149 firms reporting positions valued at approximately $608.60M based on SEC Form 13F filings for the quarter ended June 30, 2026.
White Mountains Insurance Group Ltd is the largest disclosed holder, reporting approximately $224.46M in MAX holdings in its latest filing.
Recent insider activity includes 50 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.
Institutional Holders
149
Total Reported Value
$608.60M
Largest Holder
White Mountains Insurance Group Ltd
Largest Position
$224.46M
Insider Transactions (90d)
50
Latest Filing Quarter
Q2 2026
New Institutional Positions
22
Funds Exiting Positions
33
Top Institutional Owners
View all- White Mountains Insurance Group Ltd$224.46M
- Blackrock, Inc.$42.64M
- Clearline Capital Lp$34.11M
- Jpmorgan Chase & Co$23.29M
- Vanguard Capital Management Llc$16.04M
MAX News
All news- Jacobs Asset Management LLC: Recent Portfolio Activity Analysis
Aug 19, 2026 · valut.ai
Related MAX Institutional Insights:
- MAX 13F Institutional Holders
- MAX Top Institutional Shareholders
- MAX Institutional Ownership Changes
- Communication Services Sector Institutional Ownership
- Communication Services Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Communication Services Stocks By Institutional Investors
- Most Sold Communication Services Stocks By Institutional Investors
- MAX Insider Trading & SEC Form 4 Activity
- MAX Articles
- Top Institutional Investor Stock Rankings