How many institutional investors hold MARA?

4 tracked institutional investors disclosed a position in MARA (MARA HOLDINGS INC) in their most recent 13F filing.

Who is the largest institutional holder of MARA?

Ken Griffin, Citadel Advisors, holds the largest disclosed position in MARA, valued at $475M.

Did institutional ownership of MARA increase or decrease?

Across recent 13F filings, tracked investors recorded 0 new positions, 0 increased, 0 reduced, and 0 fully exited MARA.

Where does this MARA ownership data come from?

SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.

MARA — MARA HOLDINGS INC

Name: MARA HOLDINGS INC (MARA) — Institutional Ownership
Creator: InvestorLens
License: https://www.sec.gov/about/website-policies

Public company

For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

Why are billionaires buying MARA?

Built from public SEC filings and public economic data. Not a recommendation.

Confidence

Institutional Conviction

Net distribution · 0 buying vs 0 selling last quarter

Macro Tailwind

Macro conditions are mixed for this sector

Why? — Evidence & Confidence ▾

No tracked investor changed their MARA position last quarter. Macro conditions are mixed for this sector (Macro Tailwind 52/100 in a Squeeze regime).

Supporting evidence

+4 tracked investors reported holding MARA at their latest filing

Contradicting evidence — always shown

−13F data is disclosed up to 45 days after quarter end — positions may have changed since

Know the limits

· 13F disclosure lag (up to 45 days)
· Tracked investors are a sample, not the whole market
· Sector regime fit is a historical average, not a guarantee

Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 8/4/2026.

About MARA HOLDINGS INC (MARA)

MARA HOLDINGS INC (MARA) appears in the most recent 13F filings of 4 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $475M. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in MARA

/100

Mixed Activity

Added / Increased0

Reduced0

Exited0

No recent activity recorded.

Crowded Trade Score™

How many top investors track MARA

/100

Emerging Interest

4investors

A small number of top investors own this.

UndiscoveredCrowded

151015+

MARA Ownership Composition

How MARA HOLDINGS INC is held across tracked investor types, based on reported 13F positions.

Dominant Type

Other

63% of tracked value

Institutions

tracked investors

Total Reported

$262.1M

combined 13F value

Other62.9%
Hedge Funds37.1%

Other(3)

62.9%

Hedge Funds(1)

37.1%

Tracked investors reporting MARA

Investor	Firm	Shares	Market value	% of portfolio	As of
Ken Griffin	Citadel Advisors	18.5M	$151.3M	0.02%	Mar 31, 2026
Steve Cohen	Point72 Asset Management	109.7M	$97.3M	0.12%	Mar 31, 2026
Izzy Englander	Millennium Management	1.3M	$10.5M	0.00%	Mar 31, 2026
Paul Tudor Jones	Tudor Investment Corp	380.5K	$3.1M	0.01%	Mar 31, 2026

Ken GriffinMar 31, 2026
Citadel Advisors
Shares
18.5M
Value
$151.3M
% Portfolio
0.02%
Steve CohenMar 31, 2026
Point72 Asset Management
Shares
109.7M
Value
$97.3M
% Portfolio
0.12%
Izzy EnglanderMar 31, 2026
Millennium Management
Shares
1.3M
Value
$10.5M
% Portfolio
0.00%
Paul Tudor JonesMar 31, 2026
Tudor Investment Corp
Shares
380.5K
Value
$3.1M
% Portfolio
0.01%

Recent activity

Investor	Action	Δ %	Current value	Filing date
No recent activity.

No recent activity.

Frequently asked questions

How many institutional investors hold MARA?: 4 tracked institutional investors disclosed a position in MARA (MARA HOLDINGS INC) in their most recent 13F filing.
Who is the largest institutional holder of MARA?: Ken Griffin, Citadel Advisors, holds the largest disclosed position in MARA, valued at $475M.
Did institutional ownership of MARA increase or decrease?: Across recent 13F filings, tracked investors recorded 0 new positions, 0 increased, 0 reduced, and 0 fully exited MARA.
Where does this MARA ownership data come from?: SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.