MAR Institutional Ownership
Top institutional (13F) holders of MAR and activist (13D/G) positions, sourced from SEC EDGAR.
Institutional owners
44
Institutional value
$40.9B
Top holder
BlackRock, Inc.
Activist holders
11
Top holders
| Holder | Stake | Filed | Value |
|---|---|---|---|
| BlackRock, Inc.holding company | 6.1% | Aug 7, 2026 | $5.95B |
| Vanguard Capital Managementinvestment advisor | 5.3% | Aug 13, 2026 | $5.2B |
| STATE STREET CORPORATIONinvestment advisor | 3.7% | Sep 22, 2026 | $3.57B |
| Invesco Ltd.investment advisor | 3.7% | Aug 14, 2026 | $3.57B |
| FMR LLCinvestment advisor | 2.6% | Aug 13, 2026 | $2.52B |
| WELLINGTON MANAGEMENT GROUP LLPinvestment advisor | 2.1% | Aug 14, 2026 | $2.03B |
| GEODE CAPITAL MANAGEMENT, LLCinvestment advisor | 2.0% | Aug 12, 2026 | $1.97B |
| MORGAN STANLEYinvestment advisor | 1.9% | Aug 13, 2026 | $1.84B |
| JPMORGAN CHASE & COinvestment advisor | 1.6% | Aug 12, 2026 | $1.54B |
| Vanguard Portfolio Managementinvestment advisor | 1.5% | Aug 13, 2026 | $1.5B |
| Massachusetts Financial Services Companyinvestment advisor | 1.4% | Aug 3, 2026 | $1.38B |
| Capital International Investorsinvestment advisor | 1.0% | Aug 12, 2026 | $963.11M |
| GOLDMAN SACHS GROUP INCinvestment advisor | 0.9% | Aug 14, 2026 | $881.29M |
| Norges Bankother | 0.9% | Aug 12, 2026 | $844.01M |
| NORTHERN TRUST CORPinvestment advisor | 0.8% | Aug 13, 2026 | $783.48M |
| BANK OF AMERICA CORP /DE/investment advisor | 0.7% | Aug 14, 2026 | $679.97M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INCinvestment advisor | 0.7% | Aug 14, 2026 | $654.93M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLPinvestment advisor | 0.6% | Aug 14, 2026 | $616.62M |
| T. Rowe Price Associates, Inc.investment advisor | 0.6% | Aug 14, 2026 | $596.84M |
| Bank of New York Mellon Corpholding company | 0.5% | Aug 6, 2026 | $523.56M |
| UBS Group AGinvestment advisor | 0.5% | Aug 13, 2026 | $481.8M |
| CITADEL ADVISORS LLCinvestment advisor | 0.3% | Sep 1, 2026 | $300.01M |
| Dimensional Fund Advisors LPinvestment advisor | 0.3% | Aug 11, 2026 | $270.79M |
| WELLS FARGO & COMPANY/MNinvestment advisor | 0.2% | Aug 14, 2026 | $229.23M |
| Swiss National Bankinvestment advisor | 0.2% | Aug 11, 2026 | $228.46M |
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Source: SEC EDGAR Schedule 13D / 13G and 13F filings.