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NASDAQ · Financial Services · Holders

MARA Holdings (MARA) Institutional Ownership & Insider Trading History

Top MARA institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.

Last confirmed price
$7.24-0.08%
Oct 23, 2026, 12:31 PM EDT · Prices may be delayed
Market cap · last reported
$2.8B
Oct 23, 2026 · Valuation and sources

Data dates

Prices as of Oct 23, 12:31 PM EDT · Fundamentals checked Oct 23, 12:11 PM EDT · Statement period ended Jun 30, 2026

Ownership read

MARA insider transaction activity: Net selling.

Blackrock Inc. is the largest institutional holder. 62 classified sales and 0 classified purchases appear in the recent insider records. Use the filters below to separate open-market activity from option exercises, gifts, awards, and tax withholding.

Insider flow

MARA

Purchases0
Sales1.26M

Directional bars ignore awards, gifts, conversions, and tax withholding rows.

Top holder

64.10M

Blackrock Inc.

Insider transaction activity

Net selling

$18.69M sold / $0.0000 bought

Observations shown

96

10 holder / 86 insider

Increased / initiated
Unavailable
Prior positions were not supplied
Insider rows
86
Transaction dates shown per row

Ownership concentration and transaction activity

Top 10 reported holders
44.41% outstanding
Changes with share-count history
Prior-position data unavailable
New / exited positions
Prior-position data unavailable
Largest increase with share-count history
Prior share counts unavailable

These changes cover the holders shown. A holder missing from this list may still own shares. Compare positions from the same reporting quarters.

Net shares sold: 1,261,919

Sale-code S shares minus purchase-code P shares in this sample. Includes disclosed plans and unknown plan status; excludes grants, gifts, exercises and withholding. This is activity, not sentiment.

  • Purchase / sale; plan unknown: 62
  • Grant: 23
  • Gift: 1

Top 10 institutional holders

MARA Holdings (MARA) institutional ownership

Ranked by reported share count, with position changes and separate position and filing dates where ownership data supplies them.

MARA Holdings (MARA) institutional ownership
#Institution% heldSharesPosition / filing date
1
Blackrock Inc.
16.6%64.10MPosition as of Jun 30, 2026Filing date unknown
2
Vanguard Portfolio Management LLC
7.09%27.40MPosition as of Jun 30, 2026Filing date unknown
3
Vanguard Capital Management LLC
4.28%16.54MPosition as of Jun 30, 2026Filing date unknown
4
State Street Corporation
4.12%15.90MPosition as of Jun 30, 2026Filing date unknown
5
Geode Capital Management, LLC
2.81%10.87MPosition as of Jun 30, 2026Filing date unknown
6
Shaw D.E. & Co., Inc.
2.69%10.38MPosition as of Jun 30, 2026Filing date unknown
7
Marex Group Ltd.
2.06%7.95MPosition as of Jun 30, 2026Filing date unknown
8
Morgan Stanley
1.75%6.77MPosition as of Jun 30, 2026Filing date unknown
9
Bank of America Corporation
1.58%6.10MPosition as of Jun 30, 2026Filing date unknown
10
UBS Group AG
1.44%5.58MPosition as of Jun 30, 2026Filing date unknown
Showing 10 of 10 matching institutional rows.

Recent insider transactions

MARA Holdings (MARA) Form 4 filings

Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding. Window: Nov 12, 2024–Oct 19, 2026 · 86 records.

MARA Holdings (MARA) Form 4 insider transactions
#Insider% companyActionSharesPriceValueTransaction / filing
1
KHAN SALMAN HASSAN
Chief Financial Officer
<0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Not reported
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

16.00K$7.88$126,080Oct 19, 2026Filing date unavailableOriginal filing link unavailable
2
NOWAID ZABI
General Counsel
<0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Not reported
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

8.38K$12.00$100,512Aug 21, 2026Filing date unavailableOriginal filing link unavailable
3
KHAN SALMAN HASSAN
Chief Financial Officer
<0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Not reported
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

16.00K$9.21$147,360Aug 17, 2026Filing date unavailableOriginal filing link unavailable
4
THIEL FREDERICK G
Chief Executive Officer
<0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Not reported
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

27.50K$9.21$253,321Aug 17, 2026Filing date unavailableOriginal filing link unavailable
5
NOWAID ZABI
General Counsel
<0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Not reported
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

8.38K$12.00$100,512Jul 20, 2026Filing date unavailableOriginal filing link unavailable
6
KHAN SALMAN HASSAN
Chief Financial Officer
<0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Not reported
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

16.00K$10.90$174,400Jul 17, 2026Filing date unavailableOriginal filing link unavailable
7
THIEL FREDERICK G
Chief Executive Officer
<0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Not reported
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

27.50K$10.90$299,804Jul 17, 2026Filing date unavailableOriginal filing link unavailable
8
MELLINGER DOUGLAS K
Director
<0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Not reported
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

7.00K$16.00$112,000Jun 22, 2026Filing date unavailableOriginal filing link unavailable
9
KHAN SALMAN HASSAN
Chief Financial Officer
<0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Not reported
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

16.00K$14.25$228,000Jun 17, 2026Filing date unavailableOriginal filing link unavailable
10
NOWAID ZABI
General Counsel
<0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Not reported
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

7.00K$14.25$99,750Jun 17, 2026Filing date unavailableOriginal filing link unavailable
11
THIEL FREDERICK G
Chief Executive Officer
<0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Not reported
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

27.50K$14.25$391,946Jun 17, 2026Filing date unavailableOriginal filing link unavailable
12
KHAN SALMAN HASSAN
Chief Financial Officer
<0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Not reported
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

16.00K$12.00$192,000May 18, 2026Filing date unavailableOriginal filing link unavailable
Showing 12 of 86 matching Form 4 rows. Percent of company uses current shares outstanding.

Frequently asked

Questions about this quote

Who are the largest MARA shareholders?

Blackrock Inc. is the largest reported institutional holder of MARA, with 64.10 million shares, or about 16.59% of shares outstanding.

What does the institutional filing activity show for MARA?

MARA Holdings has 10 institutional rows on file. Previous position sizes are unavailable, so increases and reductions cannot be determined.

What insider transactions are available for MARA?

TECHi shows 86 dated MARA insider transactions through Oct 19, 2026, with transaction types kept separate so administrative actions are not presented as open-market trades.

Are MARA insiders buying or selling?

The displayed MARA activity reads Net selling: 62 sales and 0 purchases. Other transaction types remain separate.

Who is the most active reported MARA insider?

THIEL FREDERICK G has the largest absolute share movement in the displayed MARA filing rows, totaling 2.58 million shares. The action labels provide the transaction context.

What this page answers

Check who owns the float and whether insiders are active.

Explore Institutional concentration, insider transaction pattern, and float context.

Keep in mind Filings are delayed or transactions are administrative rather than economic.

Browse all companies and funds

Data sources: Finnhub · SEC Companyfacts · Yahoo Finance

Market data is for information only and is not trading advice. Prices and fundamentals may be delayed, reflect an earlier observation, be incomplete, or be revised. Read the data methodology or the full disclaimer.
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