Security key
58450V104
MediaAlpha, Inc. - Class A Common Stock, par value $0.01 per share (MAX)
CUSIP: 58450V104
Q2 2025 13F Holders as of 30 Jun 2025
- Type / Class
- Equity / Class A Common Stock, par value $0.01 per share
- Shares outstanding
- 54,061,804
- Total 13F shares
- 48,248,875
- Share change
- +984,149
- Total reported value
- $528,271,825
- Put/Call ratio
- 0%
- Price per share
- $10.95
- Number of holders
- 150
- Value change
- +$14,118,305
- Number of buys
- 93
- Number of sells
- 67
Report period
Q2 2025
Institutions
150
Top holders
10
MAX full security history
Newer quarter: Q3 2025
Previous quarter: Q1 2025
MediaAlpha, Inc. SEC filings
MediaAlpha, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 58450V104
Recent filing periods:
Top shareholders of MAX - MediaAlpha, Inc. - Class A Common Stock, par value $0.01 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| WHITE MOUNTAINS INSURANCE GROUP LTD |
3/4/5
13F
|
10%+ Owner · Company |
33%
from 13F
|
17,856,614
|
$339,275,666 | — | 07 May 2024 | |
| WM Birkdale, Ltd. |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
16,039,998
|
$153,342,381 | — | 22 Dec 2022 | |
| INSIGNIA CAPITAL PARTNERS GP, L.L.C. |
3/4/5
|
10%+ Owner |
—
mixed-class rows
|
6,469,788
mixed-class rows
|
$61,462,986 | — | 09 May 2024 | |
| WM Hinson (Bermuda) Ltd. |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
5,916,816
|
$56,564,761 | — | 30 Jun 2023 | |
| Eugene Nonko |
13D/G
|
— |
11%
|
5,996,864
|
$50,433,626 | $0 | 26 Feb 2025 | |
| BlackRock, Inc. |
13F
13D/G
|
Company |
4.2%
from 13D/G
|
3,697,726
|
$34,166,990 | — | 31 Mar 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
5.4%
|
2,913,328
|
$26,919,151 | — | 31 Mar 2025 | |
| Broad Bay Capital Management, LP |
13F
|
Company |
5.1%
|
2,747,778
|
$25,389,469 | — | 31 Mar 2025 | |
| Clearline Capital LP |
13F
|
Company |
4.9%
|
2,654,921
|
$24,531,470 | — | 31 Mar 2025 | |
| TimesSquare Capital Management, LLC |
13F
|
Company |
2.5%
|
1,372,174
|
$12,678,888 | — | 31 Mar 2025 | |
| MORGAN STANLEY |
13F
|
Company |
1.4%
|
737,921
|
$6,818,388 | — | 31 Mar 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
1.4%
|
736,531
|
$6,805,546 | — | 31 Mar 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.3%
|
727,753
|
$6,726,149 | — | 31 Mar 2025 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
1.2%
|
670,691
|
$6,197,185 | — | 31 Mar 2025 | |
| STATE STREET CORP |
13F
|
Company |
1.2%
|
623,787
|
$5,763,792 | — | 31 Mar 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
1.1%
|
614,542
|
$5,678,368 | — | 31 Mar 2025 | |
| Shay Capital LLC |
13F
|
Company |
1.1%
|
571,841
|
$5,283,811 | — | 31 Mar 2025 | |
| J. Goldman & Co LP |
13F
|
Company |
1.1%
|
568,052
|
$5,248,800 | — | 31 Mar 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
1%
|
565,500
|
$5,225,220 | — | 31 Mar 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
1%
|
557,796
|
$5,154,035 | — | 31 Mar 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.94%
|
505,907
|
$4,674,581 | — | 31 Mar 2025 | |
| UBS Group AG |
13F
|
Company |
0.93%
|
504,850
|
$4,664,814 | — | 31 Mar 2025 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.87%
|
469,625
|
$4,339,335 | — | 31 Mar 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
0.85%
|
458,509
|
$4,236,622 | — | 31 Mar 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.8%
|
430,239
|
$3,975,408 | — | 31 Mar 2025 | |
| JACOBS ASSET MANAGEMENT, LLC |
13F
|
Company |
0.76%
|
408,412
|
$3,773,727 | — | 31 Mar 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.59%
|
320,839
|
$2,964,552 | — | 31 Mar 2025 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
0.59%
|
321,302
|
$2,964,000 | — | 31 Mar 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.57%
|
308,298
|
$2,848,675 | — | 31 Mar 2025 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
0.55%
|
296,054
|
$2,735,539 | — | 31 Mar 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.53%
|
285,560
|
$2,638,574 | — | 31 Mar 2025 | |
| EARNEST PARTNERS LLC |
13F
|
Company |
0.5%
|
272,433
|
$2,517,281 | — | 31 Mar 2025 | |
| Ambrose Wang |
3/4/5
|
CO-FOUNDER |
—
mixed-class rows
|
176,672
mixed-class rows
|
$2,478,768 | — | 30 Jul 2021 | |
| Brian Mikalis |
3/4/5
|
SENIOR VICE PRESIDENT, DEMAND PARTNERSHIPS |
—
mixed-class rows
|
228,884
mixed-class rows
|
$2,139,216 | — | 30 Oct 2021 | |
| ALGERT GLOBAL LLC |
13F
|
Company |
0.42%
|
225,300
|
$2,082,000 | — | 31 Mar 2025 | |
| Hillsdale Investment Management Inc. |
13F
|
Company |
0.4%
|
214,600
|
$1,982,904 | — | 31 Mar 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.4%
|
214,270
|
$1,979,855 | — | 31 Mar 2025 | |
| Jeff Sweetser |
3/4/5
|
VICE PRESIDENT, SUPPLY PARTNERSHIPS |
—
mixed-class rows
|
184,196
mixed-class rows
|
$1,765,299 | — | 30 Oct 2021 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.33%
|
180,691
|
$1,669,585 | — | 31 Mar 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.31%
|
168,032
|
$1,552,616 | — | 31 Mar 2025 | |
| Allianz Asset Management GmbH |
13F
|
Company |
0.3%
|
161,772
|
$1,494,773 | — | 31 Mar 2025 | |
| HRT FINANCIAL LP |
13F
|
Company |
0.29%
|
155,098
|
$1,433,000 | — | 31 Mar 2025 | |
| LOS ANGELES CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.27%
|
148,521
|
$1,372,334 | — | 31 Mar 2025 | |
| Lighthouse Investment Partners, LLC |
13F
|
Company |
0.27%
|
144,045
|
$1,330,975 | — | 31 Mar 2025 | |
| Robert Perine |
3/4/5
|
VICE PRESIDENT, PRODUCT |
—
mixed-class rows
|
101,128
mixed-class rows
|
$1,317,798 | — | 30 Oct 2021 | |
| ExodusPoint Capital Management, LP |
13F
|
Company |
0.26%
|
139,852
|
$1,292,000 | — | 31 Mar 2025 | |
| JACOBS LEVY EQUITY MANAGEMENT, INC |
13F
|
Company |
0.26%
|
138,598
|
$1,280,646 | — | 31 Mar 2025 | |
| Mariner, LLC |
13F
|
Company |
0.25%
|
136,787
|
$1,263,912 | — | 31 Mar 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.25%
|
135,396
|
$1,251,059 | — | 31 Mar 2025 | |
| Squarepoint Ops LLC |
13F
|
Company |
0.25%
|
134,557
|
$1,243,307 | — | 31 Mar 2025 |
Institutional Holders of MediaAlpha, Inc. - Class A Common Stock, par value $0.01 per share (MAX) as of Q2 2025
As of 30 Jun 2025,
MediaAlpha, Inc. - Class A Common Stock, par value $0.01 per share (MAX) was held by
150 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
48,248,875 shares.
The largest 10 holders included
WHITE MOUNTAINS INSURANCE GROUP LTD, BlackRock, Inc., VANGUARD GROUP INC, Broad Bay Capital Management, LP, GOLDMAN SACHS GROUP INC, Clearline Capital LP, Nuveen, LLC, D. E. Shaw & Co., Inc., JACOBS ASSET MANAGEMENT, LLC, and RENAISSANCE TECHNOLOGIES LLC.
This page lists
150
institutional shareholders reporting positions in this security
for the Q2 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q2 2025 vs Q1 2025 Across Filers
Q1 2025 holders
144
Q2 2025 holders
150
Holder diff
6
| Investor | Q1 2025 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 2025 Value $ | Q2 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.