Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
477 institutional managers reported holding ENPH for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 53%. 87 opened new positions; 71 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 22.20M | 16.91% | $839.7M | added +10.9% | ≤2013 |
| Vanguard Group | 16.37M | 12.46% | $619.0M | unchanged | ≤2013 |
| Alyeska Investment Group | 5.85M | 4.45% | $221.1M | added +823.9% | 2025 Q4 |
| Two Sigma | 5.48M | 4.17% | $207.1M | added +84.8% | 2024 Q1 |
| State Street | 4.60M | 3.50% | $173.9M | added +0.6% | 2017 Q4 |
| Invesco | 3.68M | 2.80% | $139.3M | added +16.6% | 2018 Q1 |
| Holocene Advisors | 3.36M | 2.56% | $127.1M | trimmed -2.5% | 2023 Q4 |
| Morgan Stanley | 2.93M | 2.23% | $110.8M | trimmed -26.9% | ≤2013 |
| Geode Capital | 2.59M | 1.97% | $98.0M | added +3.2% | ≤2013 |
| Baillie Gifford | 2.49M | 1.90% | $94.3M | trimmed -3.6% | 2021 Q3 |
| D. E. Shaw | 2.33M | 1.77% | $88.1M | trimmed -41.8% | 2018 Q2 |
| Citadel Advisors | 2.32M | 1.77% | $87.9M | added +78.1% | 2017 Q2 |
| Gilder Gagnon Howe & CO LLC | 2.15M | 1.63% | $81.2M | added +6429.5% | 2014 Q1 |
| UBS | 2.04M | 1.55% | $77.1M | trimmed -52.9% | 2013 Q3 |
| Schroder Investment Management Group | 1.98M | 1.51% | $75.0M | added +23.5% | 2020 Q1 |
| First Trust Advisors LP | 1.83M | 1.40% | $69.4M | added +42.4% | 2018 Q1 |
| Coatue Management | 1.65M | 1.25% | $62.3M | opened | 2025 Q2 |
| Charles Schwab Investment Management | 1.48M | 1.13% | $56.0M | added +11.4% | 2018 Q2 |
| Wellington Management | 1.46M | 1.11% | $55.4M | added +12530.4% | 2020 Q4 |
| Dimensional Fund Advisors | 1.36M | 1.04% | $51.5M | added +37.8% | 2019 Q2 |
| Federated Hermes, INC. | 1.31M | 0.99% | $49.4M | trimmed -7.5% | 2019 Q1 |
| Principal Financial Group INC | 1.11M | 0.85% | $42.1M | added +79.2% | 2019 Q3 |
| Susquehanna International Group | 1.09M | 0.83% | $41.1M | trimmed -28.4% | 2018 Q4 |
| Robeco Institutional Asset Management B.v. | 1.05M | 0.80% | $39.8M | opened | 2026 Q1 |
| Amundi | 992.7k | 0.76% | $37.5M | trimmed -34.4% | 2020 Q2 |
| SG Americas Securities, LLC | 931.1k | 0.71% | $35.2M | trimmed -3.6% | 2019 Q1 |
| Slate Path Capital LP (focused) | 909.9k | 0.69% | $34.4M | opened | 2026 Q1 |
| Renaissance Technologies | 888.6k | 0.68% | $33.6M | trimmed -0.9% | 2025 Q1 |
| Goldman Sachs | 879.5k | 0.67% | $33.3M | trimmed -44.1% | 2013 Q3 |
| Northern Trust | 851.3k | 0.65% | $32.2M | added +5.8% | ≤2013 |
| Handelsbanken Fonder AB | 828.1k | 0.63% | $31.3M | added +286.8% | 2020 Q2 |
| Cartenna Capital, LP (focused) | 800.0k | 0.61% | $30.3M | opened | 2026 Q1 |
| BNY Mellon | 757.1k | 0.58% | $28.6M | unchanged | ≤2013 |
| Encompass Capital Advisors LLC | 720.3k | 0.55% | $27.2M | opened | 2026 Q1 |
| Erste Asset Management GmbH | 666.6k | 0.51% | $25.2M | added +853.4% | 2018 Q4 |
| Legal & General Group PLC | 641.1k | 0.49% | $24.2M | added +3.4% | 2018 Q2 |
| Contour Asset Management LLC (focused) | 620.6k | 0.47% | $23.5M | opened | 2026 Q1 |
| Arrowstreet Capital | 590.3k | 0.45% | $22.3M | added +27.8% | 2025 Q2 |
| Nomura Asset Management International INC. | 568.8k | 0.43% | $21.5M | added +7.7% | 2021 Q1 |
| Electron Capital Partners, LLC (focused) | 488.9k | 0.37% | $18.5M | opened | 2026 Q1 |
| Bank OF America CORP /DE/ | 487.9k | 0.37% | $18.5M | trimmed -28.7% | ≤2013 |
| Balyasny Asset Management | 480.0k | 0.36% | $18.2M | added +0.9% | 2022 Q1 |
| BNP Paribas Financial Markets | 475.3k | 0.36% | $18.0M | trimmed -42.2% | 2018 Q2 |
| Public Sector Pension Investment Board | 468.1k | 0.36% | $17.7M | added +3.3% | 2021 Q1 |
| Natixis Advisors, LLC | 453.9k | 0.35% | $17.2M | trimmed -12.8% | 2020 Q3 |
| Nuveen | 441.4k | 0.34% | $16.7M | trimmed -7% | 2019 Q2 |
| Point72 | 434.8k | 0.33% | $16.4M | trimmed -73.9% | 2025 Q3 |
| Royal London Asset Management LTD | 408.2k | 0.31% | $15.4M | opened | 2026 Q1 |
| Westerly Capital Management, LLC (focused) | 400.0k | 0.30% | $15.1M | added +128.6% | 2025 Q4 |
| Capital Fund Management S.a. | 369.9k | 0.28% | $14.0M | trimmed -31.9% | 2024 Q4 |
Largest 50 of 477 shown; the full ranked, searchable register is at boothcheck.com/holders/ENPH. 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.