Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
1,496 institutional managers reported holding MRVL for the quarter ended Mar 31, 2026. Together they hold about 80% of shares outstanding; the top 10 hold 44%. 254 opened new positions; 177 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| FMR (Fidelity) | 131.26M | 15.20% | $13.00B | added +3.5% | ≤2013 |
| Vanguard Group | 80.15M | 9.28% | $7.94B | added +1.7% | ≤2013 |
| BlackRock | 63.84M | 7.39% | $6.32B | added +6.7% | ≤2013 |
| State Street | 23.34M | 2.70% | $2.31B | added +2.2% | ≤2013 |
| Ameriprise Financial INC | 20.84M | 2.41% | $2.06B | added +21.6% | ≤2013 |
| UBS | 16.50M | 1.91% | $1.63B | trimmed -2.1% | ≤2013 |
| Geode Capital | 12.58M | 1.46% | $1.25B | added +3.9% | ≤2013 |
| Franklin Resources | 11.37M | 1.32% | $1.13B | trimmed -1.6% | 2019 Q4 |
| Goldman Sachs | 11.25M | 1.30% | $1.11B | added +7.7% | ≤2013 |
| VAN ECK Associates CORP | 10.75M | 1.24% | $1.06B | added +8.9% | ≤2013 |
| Invesco | 10.52M | 1.22% | $1.04B | added +7% | ≤2013 |
| Jane Street | 9.95M | 1.15% | $985.5M | added +27.1% | 2015 Q4 |
| Bank OF America CORP /DE/ | 9.87M | 1.14% | $977.4M | trimmed -13.9% | ≤2013 |
| FIL LTD | 9.23M | 1.07% | $914.4M | added +2.7% | 2018 Q4 |
| Morgan Stanley | 7.87M | 0.91% | $779.0M | added +7.2% | ≤2013 |
| Northern Trust | 6.87M | 0.80% | $680.0M | added +1% | ≤2013 |
| Boston Partners | 6.17M | 0.71% | $610.5M | opened | 2026 Q1 |
| Millennium Management | 6.11M | 0.71% | $605.2M | added +11.5% | 2016 Q1 |
| Legal & General Group PLC | 5.63M | 0.65% | $557.1M | trimmed -2.2% | ≤2013 |
| Barclays PLC | 5.49M | 0.64% | $543.7M | added +7.3% | 2022 Q1 |
| Citigroup INC | 4.99M | 0.58% | $493.8M | added +32.7% | ≤2013 |
| Brown Advisory INC | 4.97M | 0.58% | $492.5M | trimmed -26.7% | 2018 Q1 |
| Amundi | 4.56M | 0.53% | $451.8M | added +25.1% | 2017 Q4 |
| Qube Research & Technologies LTD | 4.40M | 0.51% | $435.8M | added +45.9% | 2025 Q4 |
| Capital Research Global Investors | 4.40M | 0.51% | $435.5M | trimmed -3.4% | 2025 Q3 |
| Rafferty Asset Management, LLC | 4.26M | 0.49% | $421.3M | added +7.4% | ≤2013 |
| Pictet Asset Management Holding SA | 4.11M | 0.47% | $406.6M | added +15.6% | ≤2013 |
| Dimensional Fund Advisors | 3.78M | 0.44% | $374.2M | added +0.7% | ≤2013 |
| Nordea Investment Management AB | 3.45M | 0.40% | $341.6M | trimmed -2.5% | ≤2013 |
| Swedbank Robur | 3.19M | 0.37% | $315.8M | added +2.8% | 2021 Q1 |
| BNY Mellon | 3.14M | 0.36% | $311.1M | trimmed -5.3% | ≤2013 |
| Charles Schwab Investment Management | 3.11M | 0.36% | $308.4M | added +6.6% | ≤2013 |
| Marshall Wace | 3.10M | 0.36% | $306.5M | added +116.5% | 2014 Q3 |
| Mirae Asset Global Etfs Holdings LTD. | 3.09M | 0.36% | $305.5M | added +11.3% | 2018 Q3 |
| PRIMECAP Management | 2.97M | 0.34% | $294.5M | added +1.6% | 2023 Q1 |
| Deutsche Bank AG\ | 2.91M | 0.34% | $288.3M | trimmed -19.6% | ≤2013 |
| National Pension Service | 2.87M | 0.33% | $284.0M | added +2.6% | 2021 Q2 |
| BNP Paribas Financial Markets | 2.82M | 0.33% | $278.7M | added +635.8% | 2024 Q1 |
| HRT Financial LP | 2.71M | 0.31% | $268.4M | added +88.6% | 2023 Q3 |
| CalPERS | 2.64M | 0.30% | $261.2M | added +40.3% | ≤2013 |
| Susquehanna International Group | 2.63M | 0.30% | $259.9M | added +7.8% | ≤2013 |
| Koch, INC. (focused) | 2.63M | 0.30% | $259.9M | opened | 2026 Q1 |
| Wells Fargo & COMPANY/MN | 2.60M | 0.30% | $257.8M | trimmed -16.8% | ≤2013 |
| CPP Investment Board | 2.58M | 0.30% | $255.8M | trimmed -13.5% | ≤2013 |
| Janus Henderson | 2.52M | 0.29% | $250.0M | trimmed -3.1% | ≤2013 |
| Swiss National Bank | 2.49M | 0.29% | $246.4M | added +5.4% | ≤2013 |
| Impax Asset Management Group plc | 2.31M | 0.27% | $229.1M | trimmed -26.4% | 2023 Q2 |
| Wellington Management | 2.21M | 0.26% | $218.5M | added +118.9% | 2014 Q2 |
| Lazard Asset Management LLC | 2.16M | 0.25% | $214.0M | trimmed -25.9% | 2021 Q2 |
| Raymond James Financial INC | 2.13M | 0.25% | $210.5M | trimmed -13.3% | ≤2013 |
Largest 50 of 1,496 shown; the full ranked, searchable register is at boothcheck.com/holders/MRVL. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.