22 institutions reported holding $83.1M of IMPAX FUNDS SERIES TRUST I (PAXWX) in SEC 13F filings for 2026-03-31. Largest institutional holders: Impax Asset Management Group plc ($70.7M), WCG Wealth Advisors LLC ($3.3M), JANE STREET GROUP, LLC ($2.4M), PFG Investments, LLC ($1.3M), Financial Insights, Inc. ($763,774). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Impax Asset Management Group plc | $70.7M | 2.8M | New |
| 2 | WCG Wealth Advisors LLC | $3.3M | 130,251 | New |
| 3 | JANE STREET GROUP, LLC | $2.4M | 92,299 | New |
| 4 | PFG Investments, LLC | $1.3M | 49,715 | New |
| 5 | Financial Insights, Inc. | $763,774 | 29,782 | New |
| 6 | Milestone Investment Advisors LLC | $727,563 | 28,370 | New |
| 7 | Greenwich Wealth Management LLC | $671,000 | 26,180 | New |
| 8 | Kestra Advisory Services, LLC | $520,758 | 20,306 | New |
| 9 | LPL Financial LLC | $490,008 | 19,107 | New |
| 10 | KESTRA PRIVATE WEALTH SERVICES, LLC | $487,059 | 18,992 | New |
| 11 | Clearstead Advisors, LLC | $438,103 | 17,083 | New |
| 12 | LPWM LLC | $323,364 | 12,609 | New |
| 13 | CITADEL ADVISORS LLC | $269,534 | 10,510 | New |
| 14 | HighTower Advisors, LLC | $265,969 | 10,371 | New |
| 15 | ASSETMARK, INC | $131,792 | 5,139 | New |
| 16 | Medallion Wealth Advisors, LLC | $123,841 | 4,829 | New |
| 17 | OSAIC HOLDINGS, INC. | $72,743 | 2,836 | New |
| 18 | CWM, LLC | $52,419 | 2,044 | New |
| 19 | McMillan Office, Inc. | $48,452 | 1,918 | Hold |
| 20 | McIlrath & Eck, LLC | $41,756 | 1,653 | New |
| 21 | Godfrey Financial Associates, Inc. | $9,720 | 379 | New |
| 22 | UBS Group AG | $3,129 | 122 | New |
Source: SEC Form 13F filings · as of 2026-03-31