Middlesex Water Co
MSEX- Exchange
- Nasdaq
- Industry
- Water Supply
- SEC CIK
- 0000066004
In the last 90 days, Middlesex Water Co insiders filed 0 open-market purchases and 1 sale; 227 institutions reported holding it in 13F filings for Q2 2026, worth $881.5M in total; no superinvestor holds it.
Other share classesMSEXP
13F holders, Q3 2024
Institutional positions in Middlesex Water Co as of Sep 30, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 199
- +3 vs. Q2 2024
- Shares held
- 13.8M
- +4.20M (+43.7%) vs. Q2 2024
- Total value
- $901.2M
- +$398.5M (+79.3%) vs. Q2 2024
- New holders
- 23
- 51 more added
- Sold out
- 20
- 78 more reduced
1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MSEX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 227 | $881.5M |
| Q1 2026 | 221 | $793.4M |
| Q4 2025 | 203 | $764.0M |
| Q3 2025 | 214 | $776.1M |
| Q2 2025 | 217 | $739.4M |
| Q1 2025 | 215 | $886.9M |
| Q4 2024 | 210 | $713.2M |
| Q3 2024 | 199 | $901.2M |
| Q2 2024 | 197 | $678.3M |
| Q1 2024 | 191 | $675.4M |
| Q4 2023 | 191 | $854.4M |
| Q3 2023 | 186 | $829.0M |
| Q2 2023 | 185 | $1.01B |
| Q1 2023 | 201 | $921.9M |
| Q4 2022 | 202 | $977.4M |
| Q3 2022 | 200 | $925.3M |
| Q2 2022 | 209 | $1.04B |
| Q1 2022 | 203 | $1.31B |
| Q4 2021 | 205 | $1.45B |
| Q3 2021 | 189 | $1.28B |
| Q2 2021 | 160 | $877.9M |
| Q1 2021 | 161 | $846.0M |
Institutions, Q3 2024
Shares, value and share of portfolio for each institution holding Middlesex Water Co; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Walleye Capital LLC | 0 | $0 | 0.00% | −44,792−100.0% | Sold out |
| Zimmer Partners, LP | 0 | $0 | 0.00% | −37,738−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −21,360−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −12,303−100.0% | Sold out |
| CenterBook Partners LP | 0 | $0 | 0.00% | −11,900−100.0% | Sold out |
| UniSuper Management Pty Ltd | 0 | $0 | 0.00% | −8,642−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −8,349−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −7,877−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −5,648−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −5,280−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −5,257−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −5,108−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −4,600−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −3,999−100.0% | Sold out |
| Wedbush Securities Inc | 0 | $0 | 0.00% | −3,902−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −2,800−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −760−100.0% | Sold out |
| International Assets Investment Management, LLC | 0 | $0 | 0.00% | −51−100.0% | Sold out |
| Innealta Capital, LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| BlackRock Inc. | – | – | – | – | Not filed |