$MARA

$6.85 +$0.01 (0.11%) Pre-market

$MARA Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 386.3M shares outstanding

Who owns MARA?

By type of holder

Institutions 71.6% Insiders 2.1% Everyone else 26.3%

Concentration Top 10 holders own 44.4%

BlackRock, Inc. 16.6% · Vanguard Portfolio Management LLC 7.1%

Institutional ownership

71.6%

+8.0 pts vs last qtr

Institutional holders

415

+27 vs last qtr

Net shares bought

+31.0M

by institutions in Q2 2026

New / sold out

90 / 63

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

D. E. Shaw & Co., Inc. +9.1M
Dimensional Fund Advisors LP +4.4M

Biggest sellers in Q2 2026

Capital Research Global Investors SOLD OUT −3.3M
HRT Financial LP −3.1M

Who is planning to sell?

Notices of proposed sale, last 12 months

$7.53M

33 notices from 4 people

Shares covered

664.0K

0.17% of the company

Arranged in advance

94%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Thiel Frederick G Officer 10b5-1 $3.61M
Khan Salman Hassan Officer 10b5-1 $2.32M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2019–FY2025

+5229.5%

+93.99% a year

Each share's claim on the business

−98.1%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$84.7M vs $550M

over 7 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years70% 3–5 years3% 1–3 years9% Under 1 year18%

Quarterly turnover

17.2%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting MARA on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	64.1M	16.59%	+4.3M (+7.2%)	≤2021	0.0%
Shares held by quarter Peak holding64.1M (Q2'26) Change over 8 quarters+18.9M Share of the company16.590% BlackRock, Inc.'s full portfolio →
VP Vanguard Portfolio Management LLC	27.4M	7.09%	+960.5K (+3.6%)	≤2021	0.0%
Shares held by quarter Peak holding27.4M (Q2'26) Change over 8 quarters+27.4M Share of the company7.090% Vanguard Portfolio Management LLC's full portfolio →

BlackRock, Inc.

64.1M

% of company

16.59%

Change vs last qtr

+4.3M (+7.2%)

Held since

≤2021

Vanguard Portfolio Management LLC

27.4M

% of company

7.09%

Change vs last qtr

+960.5K (+3.6%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding MARA Holdings, Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting MARA on Form N-PORT; together they hold 35.4% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Small-Cap ETF iShares Trust	$319M	23.0M	5.95%	0.29%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$160M	11.5M	2.97%	0.01%	June 30, 2026

iShares Core S&P Small-Cap ETF

iShares Trust

Position value

$319M

% of company

5.95%

% of the fund

0.29%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$160M

% of company

2.97%

% of the fund

0.01%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding MARA Holdings, Inc. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
TF Thiel Frederick G Insider	4.2M	1.09%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company1.090% Thiel Frederick G's insider activity →
KS Khan Salman Hassan Insider	1.9M	0.49%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.490% Khan Salman Hassan's insider activity →

Thiel Frederick G

Insider

4.2M

% of company

1.09%

Change vs last qtr

—

Held since

—

Khan Salman Hassan

Insider

1.9M

% of company

0.49%

Change vs last qtr

—

Held since

—

7 more holders behind a free account

See every insider and 5%+ holder of MARA Holdings, Inc..

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