Middlesex Water Company (MSEX) ownership: Top institutional holder: BlackRock, Inc. ($157.01M). Insider activity: Net Seller (5 buys, 15 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 3016602.00 | $157.01M | 2026-03-31 |
| T. Rowe Price Investment Management, Inc. | 1742092.00 | $90.68M | 2026-03-31 |
| NEUBERGER BERMAN GROUP LLC | 1549906.00 | $80.67M | 2026-03-31 |
| VANGUARD GROUP INC | 1398851.00 | $70.53M | 2025-12-31 |
| MORGAN STANLEY | 1107615.00 | $57.65M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 827953.00 | $43.09M | 2026-03-31 |
| STATE STREET CORP | 744062.00 | $38.73M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 488067.00 | $25.40M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-04-01 | |
| Sell | null | 2026-04-01 | |
| Buy | null | 2026-04-01 | |
| Sell | null | 2026-04-01 | |
| Sell | null | 2026-04-01 | |
| Buy | null | 2026-04-01 | |
| Sell | null | 2026-04-01 | |
| Sell | null | 2026-04-01 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.