How many institutions held MAX - MediaAlpha, Inc. - Class A Common Stock, par value $0.01 per share in Q1 2021?

96 institutional investors reported MAX - MediaAlpha, Inc. - Class A Common Stock, par value $0.01 per share for Q1 2021. Use the holders table for investor-level position and value details.

MediaAlpha, Inc. - Class A Common Stock, par value $0.01 per share (MAX)

Q: What does CUSIP 58450V104 represent in this 13F holders report?

CUSIP 58450V104 is the security identifier for MAX - MediaAlpha, Inc. - Class A Common Stock, par value $0.01 per share used to aggregate holder disclosures.

CUSIP: 58450V104

Q1 2021 13F Holders as of 31 Mar 2021

Type / Class: Equity / Class A Common Stock, par value $0.01 per share
Shares outstanding: 54,061,804
Total 13F shares: 36,467,183
Share change: +4,117,223
Total reported value: $1,291,891,052
Price per share: $35.43
Number of holders: 96
Value change: +$143,997,399
Number of buys: 80
Number of sells: 20

Quarterly Holders Quick Answers

What is CUSIP 58450V104?
CUSIP 58450V104 identifies MAX - MediaAlpha, Inc. - Class A Common Stock, par value $0.01 per share in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2021
Previous quarter: Q4 2020

Recent filing periods for CUSIP 58450V104:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

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	13F	Company	38%	20,532,202	$802,193,000	—	31 Dec 2020	13F
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC	13F	Company	8.3%	4,478,491	$174,975,000	—	31 Dec 2020	13F
JPMORGAN CHASE & CO	13F	Company	2.4%	1,287,594	$50,307,000	—	31 Dec 2020	13F
BlackRock Finance, Inc.	13F	Company	1.6%	890,200	$34,781,000	—	31 Dec 2020	13F
VANGUARD GROUP INC	13F	Company	1.5%	790,925	$30,902,000	—	31 Dec 2020	13F
WASATCH ADVISORS LP	13F	Company	1.2%	673,925	$26,330,000	—	31 Dec 2020	13F
EMERALD ADVISERS, LLC	13F	Company	1%	546,421	$21,349,000	—	31 Dec 2020	13F
EMERALD MUTUAL FUND ADVISERS TRUST	13F	Company	0.95%	511,612	$19,989,000	—	31 Dec 2020	13F
CITADEL ADVISORS LLC	13F	Company	0.52%	279,556	$10,922,000	—	31 Dec 2020	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.45%	245,707	$9,599,000	—	31 Dec 2020	13F
STATE STREET CORP	13F	Company	0.3%	161,840	$6,323,000	—	31 Dec 2020	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.29%	155,996	$6,094,000	—	31 Dec 2020	13F
CI INVESTMENTS INC.	13F	Company	0.26%	138,000	$5,392,000	—	31 Dec 2020	13F
Engle Capital Management, L.P.	13F	Company	0.24%	132,000	$5,157,000	—	31 Dec 2020	13F
NORTHERN TRUST CORP	13F	Company	0.24%	130,982	$5,117,000	—	31 Dec 2020	13F
Zimmer Partners, LP	13F	Company	0.24%	130,000	$5,079,000	—	31 Dec 2020	13F
HBK INVESTMENTS L P	13F	Company	0.18%	100,000	$3,907,000	—	31 Dec 2020	13F
Daiwa Securities Group Inc.	13F	Company	0.16%	88,326	$3,451,000	—	31 Dec 2020	13F
LAZARD ASSET MANAGEMENT LLC	13F	Company	0.16%	84,955	$3,319,000	—	31 Dec 2020	13F
KORNITZER CAPITAL MANAGEMENT INC /KS	13F	Company	0.15%	79,329	$3,099,000	—	31 Dec 2020	13F
Calamos Advisors LLC	13F	Company	0.12%	66,303	$2,590,000	—	31 Dec 2020	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.12%	65,659	$2,566,000	—	31 Dec 2020	13F
EVENTIDE ASSET MANAGEMENT, LLC	13F	Company	0.11%	61,611	$2,407,000	—	31 Dec 2020	13F
DEUTSCHE BANK AG\	13F	Company	0.1%	56,651	$2,213,000	—	31 Dec 2020	13F
Schonfeld Strategic Advisors LLC	13F	Company	0.1%	51,744	$2,022,000	—	31 Dec 2020	13F
Ratan Capital Management LP	13F	Company	0.08%	44,670	$1,745,000	—	31 Dec 2020	13F
CAAS CAPITAL MANAGEMENT LP	13F	Company	0.07%	40,000	$1,563,000	—	31 Dec 2020	13F
NORGES BANK	13F	Company	0.07%	40,000	$1,563,000	—	31 Dec 2020	13F
Nuveen Asset Management, LLC	13F	Company	0.07%	39,604	$1,548,000	—	31 Dec 2020	13F
Legal & General Group Plc	13F	Company	0.07%	37,566	$1,468,000	—	31 Dec 2020	13F
Bank of New York Mellon Corp	13F	Company	0.06%	32,840	$1,283,000	—	31 Dec 2020	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.06%	31,878	$1,245,000	—	31 Dec 2020	13F
Leverage Partners Absolute Return Fund SPC	13F	Company	0.06%	30,100	$1,176,000	—	31 Dec 2020	13F
Squarepoint Ops LLC	13F	Company	0.05%	29,068	$1,136,000	—	31 Dec 2020	13F
Blueshift Asset Management, LLC	13F	Company	0.05%	28,854	$1,127,000	—	31 Dec 2020	13F
Neuberger Berman Group LLC	13F	Company	0.05%	25,949	$1,014,000	—	31 Dec 2020	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.04%	24,298	$949,000	—	31 Dec 2020	13F
SEI INVESTMENTS CO	13F	Company	0.04%	24,050	$940,000	—	31 Dec 2020	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.04%	23,107	$903,000	—	31 Dec 2020	13F
HighTower Advisors, LLC	13F	Company	0.03%	17,224	$673,000	—	31 Dec 2020	13F
J. Goldman & Co LP	13F	Company	0.03%	16,659	$651,000	—	31 Dec 2020	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.03%	16,243	$635,000	—	31 Dec 2020	13F
Marshall Wace North America L.P.	13F	Company	0.03%	14,683	$573,000	—	31 Dec 2020	13F
Bullseye Asset Management LLC	13F	Company	0.02%	11,344	$443,000	—	31 Dec 2020	13F
ExodusPoint Capital Management, LP	13F	Company	0.02%	11,298	$441,000	—	31 Dec 2020	13F
RHUMBLINE ADVISERS	13F	Company	0.02%	9,302	$363,000	—	31 Dec 2020	13F
MORGAN STANLEY	13F	Company	0.01%	8,074	$315,000	—	31 Dec 2020	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.01%	7,900	$309,000	—	31 Dec 2020	13F
AMERICAN INTERNATIONAL GROUP, INC.	13F	Company	0.01%	6,242	$244,000	—	31 Dec 2020	13F
MANUFACTURERS LIFE INSURANCE COMPANY, THE	13F	Company	0.01%	6,021	$235,000	—	31 Dec 2020	13F

Institutional Holders of MediaAlpha, Inc. - Class A Common Stock, par value $0.01 per share (MAX) as of Q1 2021

As of 31 Mar 2021, MediaAlpha, Inc. - Class A Common Stock, par value $0.01 per share (MAX) was held by 96 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 36,467,183 shares. The largest 10 holders included White Mountains Insurance Group Ltd, KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC, VANGUARD GROUP INC, JPMORGAN CHASE & CO, BlackRock Inc., EVENTIDE ASSET MANAGEMENT, LLC, FMR LLC, EMERALD MUTUAL FUND ADVISERS TRUST, EMERALD ADVISERS, LLC, and WASATCH ADVISORS INC. This page lists 96 institutional shareholders reporting positions in this security for the Q1 2021 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2021 vs Q4 2020 Across Filers

Q4 2020 holders

Q1 2021 holders

Holder diff

Investor	Q4 2020 Shares	Q1 2021 Shares	Share Diff	Share Chg %	Q4 2020 Value $	Q1 2021 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.