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MARA Holdings, Inc. · 13F filings

MARA Institutional Ownership

Holdings as of Jun 30, 2026From SEC Form 13FUpdated

Who owns MARA Holdings, Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 418 funds reported holding MARA at Jun 30, 2026, together owning 73.7% of the company.

← MARA stock page

Fund sentiment
Bullish
Strongly bearishNeutralStrongly bullish
  • ▲237 buying vs 176 selling
  • ▲Held by funds +5.4 pts
  • ▲Funds holding +20
  • ▲Superinvestors: 2 added, 1 cut
  • ▼Put/call 0.94 to 1.01

What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.

Funds holding418+20 vs Q1 2026
Held by funds73.7%+5.4 pts
Value held$3.9B285M shares
Put/call ratio1.01up from 0.94

Funds holding and ownership

8 quarters
Q3 2024: 320 fundsQ3 '24Q4 2024: 364 fundsQ4 '24Q1 2025: 348 fundsQ1 '25Q2 2025: 365 fundsQ2 '25Q3 2025: 399 fundsQ3 '25Q4 2025: 412 fundsQ4 '25Q1 2026: 398 fundsQ1 '26Q2 2026: 418 fundsQ2 '2673.7% owned
Funds holdingHeld by funds %

Quarter over quarter

all 13F filers
Q2 2026This quarterQ1 2026Change
Funds holding418398+5.0%
In funds' top 1020–
13F shares285M264M+7.9%
Held by funds73.7%68.3%+5.4 pts
New positions8476+10.5%
Increased153148+3.4%
Reduced111101+9.9%
Sold out6590−27.8%
Calls (shares)17.6M23.3M−24.2%
Puts (shares)18.1M22.1M−18.2%
Put/call ratio1.010.94+7.4%

Buyers vs sellers

adding or new vs cutting or sold out
Q4 2024: 248 buyingQ4 2024: 100 sellingQ4 '24Q1 2025: 201 buyingQ1 2025: 161 sellingQ1 '25Q2 2025: 217 buyingQ2 2025: 142 sellingQ2 '25Q3 2025: 249 buyingQ3 2025: 140 sellingQ3 '25Q4 2025: 220 buyingQ4 2025: 216 sellingQ4 '25Q1 2026: 224 buyingQ1 2026: 191 sellingQ1 '26Q2 2026: 237 buyingQ2 2026: 176 sellingQ2 '26
Buying 237Selling 176latest quarter

Superinvestors in MARA

All superinvestors →

Who owns MARA

share of fund held shares
  • Index and passive funds55.3%
  • Active managers and hedge funds24.3%
  • Banks and brokers15.4%
  • Pensions, insurers and other5.0%

The top 10 holders own 60.3% of all MARA shares that funds reported. Groups are our own grouping of filers by name.

Put/call ratio

funds' options, market makers left out
1.00Q3 2024: 1.62Q3 '24Q4 2024: 2.57Q4 '24Q1 2025: 6.35Q1 '25Q2 2025: 3.70Q2 '25Q3 2025: 1.46Q3 '25Q4 2025: 1.90Q4 '25Q1 2026: 0.94Q1 '26Q2 2026: 1.01Q2 '261.01

Above 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.

Filed so far for Q3 2026

117 funds changed their position

🔒 Free account: see all 20.

Top holders

Q2 2026
#FundOf companySharesValueChange
1BlackRock, Inc.16.59%64.1M$890M+4.3M
2Vanguard Portfolio Management LLC7.09%27.4M$381M+961K
3Vanguard Capital Management LLC4.28%16.5M$230M+192K
4State Street Corp4.12%15.9M$221M+682K
5Geode Capital Management, LLC2.81%10.9M$188M+558K
6D. E. Shaw & Co., Inc.2.69%10.4M$144M+9.1M
7Marex Group Ltd2.06%8M$110M−362K
8Morgan Stanley1.75%6.8M$94M+1.5M
9Bank of America Corp /de/1.58%6.1M$84.7M+1M
10UBS Group AG1.44%5.6M$77.5M−2M
🔒 15 more top holders. Create a free account or sign in to see them.
Biggest buyers
Biggest sellers

MARA institutional ownership FAQ

Who owns the most MARA stock?

In Q2 2026 13F filings the largest holder of MARA was BlackRock, Inc., followed by Vanguard Portfolio Management LLC and Vanguard Capital Management LLC. Index fund managers are usually the biggest holders of large companies.

What percentage of MARA is owned by institutions?

Funds that file 13F reports held 73.7% of MARA's shares at Jun 30, 2026, compared with 68.3% a quarter earlier. That counts every manager with more than $100 million in US stocks.

Are hedge funds buying MARA?

In Q2 2026, 237 funds bought MARA (84 of them new positions) and 176 sold (65 sold out completely). Among well known investors, 2 added and 1 cut. Our fund sentiment for MARA is bullish.

What is MARA's institutional put/call ratio?

Funds reported $248M of MARA puts against $245M of calls, a put/call ratio of 1.01 (0.94 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.

How current is this MARA ownership data?

13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.

For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.