Ticker · CUSIP 58450V104

MAX

MEDIAALPHA INC

Communication Services·Internet Content & Information

···Share

Holders (tracked)

Combined shares

3,389,522

Combined value

$43.49M

Last close

—

Quarter

2025Q4

Tracked holders · last 8 quarters

+2 vs previous quarter over the last 8.

SEC event timeline

21 events

Yi Steven · See Remarks
2026-04-15
Sold $38.7K @ $9.68
Insider sell
Cramer Keith · Chief Revenue Officer
2026-04-15
Sold $96.8K @ $9.68
Insider sell
Yi Steven · See Remarks
2026-04-14
Sold $37.9K @ $9.47
Insider sell
Yi Steven · See Remarks
2026-04-13
Sold $36.3K @ $9.07
Insider sell
Yeh Kuanling Amy · Chief Technology Officer
2026-04-10
Sold $27.8K @ $9.25
Insider sell
Ken Griffin (Citadel Advisors) opened position2026-02-17
+169,647 shares · 2025Q4
13F
D.E. Shaw & Co. trimmed2026-02-17
−57,503 shares · 2025Q4
13F
Two Sigma Investments added2026-02-17
+37,336 shares · 2025Q4
13F
Izzy Englander (Millennium Mgmt) trimmed2026-02-17
−677,811 shares · 2025Q4
13F
Steve Cohen (Point72) opened position2026-02-17
+18,751 shares · 2025Q4
13F
T. Rowe Price added2026-02-17
+2,238 shares · 2025Q4
13F
Paul Tudor Jones (Tudor Investment) opened position2026-02-17
+83,330 shares · 2025Q4
13F
AQR Capital Management added2026-02-17
+33,416 shares · 2025Q4
13F
Renaissance Technologies added2026-02-12
+100,300 shares · 2025Q4
13F
Paul Tudor Jones (Tudor Investment) exited2025-12-09
−66,206 shares · 2025Q3
13F
Two Sigma Investments trimmed2025-11-14
−43,570 shares · 2025Q3
13F
D.E. Shaw & Co. trimmed2025-11-14
−440,465 shares · 2025Q3
13F
T. Rowe Price added2025-11-14
+4,301 shares · 2025Q3
13F
AQR Capital Management added2025-11-14
+169,086 shares · 2025Q3
13F
Izzy Englander (Millennium Mgmt) added2025-11-14
+1,246,493 shares · 2025Q3
13F
Renaissance Technologies added2025-11-13
+172,800 shares · 2025Q3
13F

Insider activity

Last 30 days

Net (open-market)

−$237.4K

Buys

0 · $0

Sells

5 · $237.4K

Unique insiders

Date	Insider	Code	Shares	Price	Value
04-15	Cramer Keith Chief Revenue Officer · Officer	S	10,000	$9.68	$96.8K
04-15	Yi Steven See Remarks · Officer, Director	S	4,000	$9.68	$38.7K
04-14	Yi Steven See Remarks · Officer, Director	S	4,000	$9.47	$37.9K
04-13	Yi Steven See Remarks · Officer, Director	S	4,000	$9.07	$36.3K
04-10	Yeh Kuanling Amy Chief Technology Officer · Officer	S	3,000	$9.25	$27.8K

View full insider history for MAX →

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.

New positions3

Ken Griffin (Citadel Advisors)
+169,647
$2.2M
Paul Tudor Jones (Tudor Investment)
+83,330
$1.1M
Steve Cohen (Point72)
+18,751
$243K

Added to4

Renaissance Technologies
+100,300
$1.3M
Two Sigma Investments
+37,336
$484K
AQR Capital Management
+33,416
$433K
T. Rowe Price
+2,238
$29

Trimmed2

Izzy Englander (Millennium Mgmt)
−677,811
$8.8M
D.E. Shaw & Co.
−57,503
$745K

Exited0

—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	7	3,199,570	$26.51B	—
2022Q2	8	3,681,404	$15.78B	+1
2022Q3	8	3,680,305	$14.0M	—
2022Q4	12	3,751,533	$32.5M	+4
2023Q1	9	3,998,418	$51.2M	-3
2023Q2	9	3,722,794	$37.0M	—
2023Q3	8	2,238,224	$17.0M	-1
2023Q4	6	2,750,941	$28.5M	-2
2024Q1	9	3,222,508	$57.3M	+3
2024Q2	12	4,934,242	$64.8M	+3
2024Q3	11	1,852,221	$33.2M	-1
2024Q4	10	2,940,543	$33.0M	-1
2025Q1	10	3,135,247	$28.8M	—
2025Q2	8	2,724,705	$29.6M	-2
2025Q3	8	3,686,118	$41.6M	—
2025Q4	10	3,389,522	$43.5M	+2

Who owns MAX

10 super-investors · 2025Q4

Tracked stake

3.39M

Combined value

$43M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New4Added4Trim2

#	Manager	Shares	Value	% of book	Last action
1	Renaissance Technologies	1.05M	$14M	0.0%	Added+100.3K
2	AQR Capital Management	804.1K	$10M	0.0%	Added+33.4K
3	Izzy Englander Millennium Mgmt	751.7K	$10M	0.0%	Trim−677.8K
4	D.E. Shaw & Co.	397.4K	$5M	0.0%	Trim−57.5K
5	Ken Griffin Citadel Advisors	169.6K	$2M	0.0%	New+169.6K
6	Paul Tudor Jones Tudor Investment	83.3K	$1M	0.0%	New+83.3K
7	Two Sigma Investments	59.9K	$775K	0.0%	Added+37.3K
8	Ken Griffin Citadel Advisors	28.3K	$366K	0.0%	New+169.6K
9	Steve Cohen Point72	18.8K	$243K	0.0%	New+18.8K
10	T. Rowe Price	31.0K	$402	0.0%	Added+2.2K

Recent moves

20 transactions

ADDT. Rowe Price
+2,238 · 2025Q4
TRIMIzzy Englander (Millennium Mgmt)
−677,811 · 2025Q4
TRIMD.E. Shaw & Co.
−57,503 · 2025Q4
NEWKen Griffin (Citadel Advisors)
+169,647 · 2025Q4
ADDTwo Sigma Investments
+37,336 · 2025Q4
NEWSteve Cohen (Point72)
+18,751 · 2025Q4
ADDAQR Capital Management
+33,416 · 2025Q4
NEWPaul Tudor Jones (Tudor Investment)
+83,330 · 2025Q4
ADDRenaissance Technologies
+100,300 · 2025Q4
SOLDPaul Tudor Jones (Tudor Investment)
−66,206 · 2025Q3
TRIMD.E. Shaw & Co.
−440,465 · 2025Q3
TRIMTwo Sigma Investments
−43,570 · 2025Q3
ADDT. Rowe Price
+4,301 · 2025Q3
ADDIzzy Englander (Millennium Mgmt)
+1,246,493 · 2025Q3
ADDAQR Capital Management
+169,086 · 2025Q3
ADDRenaissance Technologies
+172,800 · 2025Q3
TRIMTwo Sigma Investments
−69,302 · 2025Q2
ADDT. Rowe Price
+4,239 · 2025Q2
TRIMIzzy Englander (Millennium Mgmt)
−431,479 · 2025Q2
ADDD.E. Shaw & Co.
+224,657 · 2025Q2

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