Stock ownership · SEC 13F · Q4 2025

MARA HOLDINGS INC

Who owns MARA HOLDINGS INC (CUSIP 565788106)? A look at the institutions behind it, how tightly they hold it, and the latest quarter's moves.

$170K
Reported value
3
Institutions
100%
Top-5 share

The verdict

As of Q4 2025, 3 institutions report $170K in MARA HOLDINGS INC positions, ownership that is dominated by its top few institutional owners.

3
institutions hold it
$170K
reported 13F value
100%
held by top 5

Based on long positions reported to the SEC as of Q4 2025; 13F omits shorts, options and non-US holdings.

How 13F ownership is computed · All tracked stocks · Concentration rankings

SEC Form 13F-HR ownership desk

CUSIP 565788106 · Q4 2025 $0M reported

VALUE-TRACE · HOLDERS-FOCUS · CONC-DOM · PHOTO-UNK · ACTIVITY-LIGHT · BOOK-FULL

  • VALUE-TRACE $0.2M
  • HOLDERS-FOCUS 3 filers
  • CONC-DOM 100% top-5
  • PHOTO-UNK No peer
  • ACTIVITY-LIGHT 1 new
  • BOOK-FULL 8Q history

Read with: Ownership concentration guide - MARA HOLDINGS INC's top-five holders account for 100% of reported value — read concentration before treating any single filer as a signal.

Largest institutional holders of MARA HOLDINGS INC
  1. 1
  2. 2
  3. 3

Top 3 reported holders by value · Q4 2025

Institutional ownership over time

The number of institutions reporting a MARA HOLDINGS INC position has risen from 1 to 3 over the last 8 quarters of 13F filings.

02468 Q1'24Q2'24Q3'24Q4'24Q1'25Q2'25Q3'25Q4'25 3
Distinct 13F filers holding MARA HOLDINGS INC, by quarter

Top Institutional Holders

# Institution Shares Value Share of reported
1 Alpine Global Management, LLC 18,768 $169K 99.0%
2 Anchor Investment Management, LLC 100 $898 0.5%
3 Bell Investment Advisors, Inc 84 $755 0.4%

Investment Discretion

SEC Form 13F requires each institutional filer to report whether it exercises sole or shared discretion over a position. Among MARA HOLDINGS INC's reported holders for Q4 2025, by reported value:

Sole discretion (SOLE)
100.0%

Latest Quarter Activity · Q4 2025

New positions (1)

Frequently Asked Questions

How many institutions hold MARA HOLDINGS INC?▼
MARA HOLDINGS INC is held by 3 institutional investors per the latest SEC Form 13F filings as of Q4 2025.
What is the total institutional value of MARA HOLDINGS INC?▼
Institutions report $170K of MARA HOLDINGS INC as of Q4 2025.
How concentrated is ownership of MARA HOLDINGS INC?▼
The top five institutional holders account for 100% of the reported institutional value in MARA HOLDINGS INC, making ownership dominated by its top few institutional owners.
Who is the largest institutional holder of MARA HOLDINGS INC?▼
Alpine Global Management, LLC is the largest reported holder of MARA HOLDINGS INC with $169K across 18,768 shares as of Q4 2025.

Source: U.S. Securities and Exchange Commission (SEC) - EDGAR Form 13F-HR institutional holdings filings · Q4 2025 13F-HR discloses long US-listed equity positions of managers with $100M+ qualifying assets, filed within 45 days of period end. Short positions and most derivatives are not disclosed.

PlainFundData is rendered directly from SEC EDGAR Form 13F-HR institutional holdings filings, no number is typed in by an editor. Holder lists, concentration, and reported value on this page are aggregated live from those 13F-HR extracts. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-09-26.