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, Q2 2025
Institutional positions in Middlesex Water Co as of Jun 30, 2025. 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
- 217
- +5 vs. Q1 2025
- Shares held
- 13.5M
- −287.6K (−2.1%) vs. Q1 2025
- Total value
- $739.4M
- −$146.7M (−16.6%) vs. Q1 2025
- New holders
- 27
- 92 more added
- Sold out
- 22
- 54 more reduced
3 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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, Q2 2025
Shares, value and share of portfolio for each institution holding Middlesex Water Co; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,295,225 | $178.5M | 0.00% | +31,358+1.0% | Added |
| T. Rowe Price Investment Management, Inc. | 1,509,741 | $81.8M | 0.05% | +28,443+1.9% | Added |
| Vanguard Group Inc | 1,424,282 | $77.2M | 0.00% | +11,905+0.8% | Added |
| State Street Corp | 691,168 | $37.4M | 0.00% | −111,041−13.8% | Reduced |
| First Trust Advisors LP | 663,786 | $36.0M | 0.03% | −44,825−6.3% | Reduced |
| Morgan Stanley | 497,639 | $27.0M | 0.00% | −8,494−1.7% | Reduced |
| Geode Capital Management, LLC | 443,850 | $24.1M | 0.00% | −277−0.1% | Reduced |
| Dimensional Fund Advisors LP | 356,293 | $19.3M | 0.00% | −23,737−6.2% | Reduced |
| Invesco Ltd. | 327,335 | $17.7M | 0.00% | +23,872+7.9% | Added |
| Legal & General Group Plc | 285,680 | $15.5M | 0.00% | +30,086+11.8% | Added |
| Ledgewood Wealth Advisors, LLC | 254,016 | $13.8M | 8.67% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 241,486 | $13.1M | 0.00% | +50,912+26.7% | Added |
| Renaissance Technologies LLC | 202,913 | $11.0M | 0.01% | +22,500+12.5% | Added |
| Northern Trust Corp | 202,609 | $11.0M | 0.00% | −11,544−5.4% | Reduced |
| Bank of New York Mellon Corp | 193,550 | $10.5M | 0.00% | +3,751+2.0% | Added |
| Charles Schwab Investment Management Inc | 181,853 | $9.85M | 0.00% | +12,839+7.6% | Added |
| Thematics Asset Management | 171,000 | $9.26M | 0.42% | −10,000−5.5% | Reduced |
| First Manhattan Co | 159,153 | $8.62M | 0.02% | −10,635−6.3% | Reduced |
| Zimmer Partners, LP | 122,057 | $6.61M | 0.15% | +9,800+8.7% | Added |
| TSP Capital Management Group, LLC | – | $6.05M | 1.90% | – | – |
| ProShare Advisors LLC | 111,208 | $6.03M | 0.01% | −4,355−3.8% | Reduced |
| Cramer Rosenthal McGlynn LLC | 110,670 | $6.00M | 0.41% | −38,277−25.7% | Reduced |
| Principal Financial Group Inc | 102,432 | $5.55M | 0.00% | +13,499+15.2% | Added |
| Bank of America Corp | 87,776 | $4.76M | 0.00% | +29,383+50.3% | Added |
| UBS Asset Management Americas Inc | 74,779 | $4.05M | 0.00% | +15,557+26.3% | Added |
| D. E. Shaw & Co., Inc. | 73,299 | $3.97M | 0.00% | +2,224+3.1% | Added |
| Jane Street Group, LLC | 69,009 | $3.74M | 0.01% | +1,020+1.5% | Added |
| Public Sector Pension Investment Board | 61,099 | $3.31M | 0.01% | +4,479+7.9% | Added |
| Rhumbline Advisers | 53,520 | $2.90M | 0.00% | +1,740+3.4% | Added |
| UBS Group AG | 50,261 | $2.72M | 0.00% | +4,293+9.3% | Added |
| American Century Companies Inc | 42,320 | $2.29M | 0.00% | +7,335+21.0% | Added |
| Ameriprise Financial Inc | 40,937 | $2.22M | 0.00% | −3,488−7.9% | Reduced |
| JPMorgan Chase & Co | 39,688 | $2.15M | 0.00% | −15,895−28.6% | Reduced |
| NFJ Investment Group, LLC | 39,018 | $2.11M | 0.07% | −11,109−22.2% | Reduced |
| Nuveen, LLC | 38,892 | $2.11M | 0.00% | −12,683−24.6% | Reduced |
| Swiss National Bank | 34,162 | $1.85M | 0.00% | −400−1.2% | Reduced |
| Northstar Asset Management Inc | 34,072 | $1.85M | 0.51% | +14,725+76.1% | Added |
| Barclays PLC | 34,049 | $1.84M | 0.00% | +11,024+47.9% | Added |
| Great West Life Assurance Co | 32,223 | $1.75M | 0.00% | +2,410+8.1% | Added |
| Russell Investments Group, Ltd. | 31,583 | $1.71M | 0.00% | +2,748+9.5% | Added |
| Deprince Race & Zollo Inc | 31,490 | $1.71M | 0.04% | −1,992−5.9% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 28,864 | $1.56M | 0.00% | +25,973+898.4% | Added |
| Thrivent Financial for Lutherans | 28,189 | $1.53M | 0.00% | +62+0.2% | Added |
| LPL Financial LLC | 27,442 | $1.49M | 0.00% | +435+1.6% | Added |
| Squarepoint Ops LLC | 27,380 | $1.48M | 0.00% | +11,929+77.2% | Added |
| State Board of Administration of Florida Retirement System | 27,193 | $1.47M | 0.00% | +21,410+370.2% | Added |
| Susquehanna International Group, LLP | 26,704 | $1.45M | 0.00% | −14,430−35.1% | Reduced |
| CenterBook Partners LP | 26,180 | $1.42M | 0.08% | +26,180 | New |
| Oppenheimer & Co Inc | 26,035 | $1.41M | 0.02% | +224+0.9% | Added |
| SG Americas Securities, LLC | 25,914 | $1.40M | 0.01% | +18,834+266.0% | Added |
| TD Asset Management Inc | 25,588 | $1.39M | 0.00% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 22,643 | $1.23M | 0.00% | +1,200+5.6% | Added |
| Price T Rowe Associates Inc | 22,510 | $1.22M | 0.00% | +969+4.5% | Added |
| CI Private Wealth, LLC | 19,992 | $1.08M | 0.00% | −243−1.2% | Reduced |
| HighTower Advisors, LLC | 19,243 | $1.04M | 0.00% | −169−0.9% | Reduced |
| Prudential Financial Inc | 18,391 | $996.4K | 0.00% | +827+4.7% | Added |
| Gabelli Funds LLC | 18,350 | $994.2K | 0.01% | 00.0% | Unchanged |
| Storebrand Asset Management AS | 17,721 | $960.1K | 0.00% | +3,321+23.1% | Added |
| Penn Capital Management Co Inc | 17,283 | $936.4K | 0.08% | +17,283 | New |
| Millennium Management LLC | 17,210 | $932.4K | 0.00% | −37,166−68.4% | Reduced |
| Aquatic Capital Management LLC | 16,926 | $917.1K | 0.02% | +6,338+59.9% | Added |
| Citigroup Inc | 16,532 | $895.7K | 0.00% | −10,708−39.3% | Reduced |
| California State Teachers Retirement System | 16,485 | $893.2K | 0.00% | −185−1.1% | Reduced |
| The PNC Financial Services Group, Inc. | 16,165 | $875.8K | 0.00% | −198−1.2% | Reduced |
| AQR Capital Management LLC | 15,382 | $833.4K | 0.00% | +10,711+229.3% | Added |
| Wells Fargo & Company | 14,874 | $805.8K | 0.00% | +2,001+15.5% | Added |
| Deutsche Bank AG | 14,094 | $763.6K | 0.00% | −2,416−14.6% | Reduced |
| Franklin Resources Inc | 13,677 | $741.0K | 0.00% | +537+4.1% | Added |
| Manchester Capital Management LLC | 13,515 | $732.2K | 0.10% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 13,409 | $726.5K | 0.00% | −512−3.7% | Reduced |
| Exchange Traded Concepts, LLC | 13,212 | $715.8K | 0.01% | +252+1.9% | Added |
| DRW Securities, LLC | 13,205 | $715.4K | 0.05% | +13,205 | New |
| Quantinno Capital Management LP | 12,607 | $683.1K | 0.00% | +5,291+72.3% | Added |
| Magellan Asset Management Ltd | 12,056 | $653.2K | 0.01% | −232−1.9% | Reduced |
| Private Advisor Group, LLC | 11,667 | $632.1K | 0.00% | +703+6.4% | Added |
| Cerity Partners LLC | 11,374 | $616.2K | 0.00% | −4,108−26.5% | Reduced |
| Ethic Inc. | 11,260 | $613.8K | 0.01% | −7,694−40.6% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 10,970 | $594.4K | 0.00% | +743+7.3% | Added |
| Raymond James Financial Inc | 10,691 | $579.3K | 0.00% | +193+1.8% | Added |
| State of Alaska, Department of Revenue | 10,657 | $576.0K | 0.01% | +763+7.7% | Added |
| MetLife Investment Management | 10,472 | $567.4K | 0.00% | 00.0% | Unchanged |
| Main Street Financial Solutions, LLC | 10,467 | $567.1K | 0.04% | +20+0.2% | Added |
| BNP Paribas Arbitrage, SA | 9,867 | $534.6K | 0.00% | +6,277+174.8% | Added |
| Illinois Municipal Retirement Fund | 9,711 | $526.1K | 0.01% | +2,288+30.8% | Added |
| State of Wisconsin Investment Board | 9,475 | $513.4K | 0.00% | −2,170−18.6% | Reduced |
| Toroso Investments, LLC | 9,119 | $494.1K | 0.00% | −1,750−16.1% | Reduced |
| Daiwa Securities Group Inc. | 9,055 | $491.0K | 0.00% | +1,313+17.0% | Added |
| New York State Teachers Retirement System | 9,011 | $488.0K | 0.00% | +100+1.1% | Added |
| Janus Henderson Group PLC | 8,972 | $485.9K | 0.00% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 8,658 | $469.0K | 0.00% | −3,051−26.1% | Reduced |
| Louisiana State Employees Retirement System | 8,400 | $455.1K | 0.01% | 00.0% | Unchanged |
| Parcion Private Wealth LLC | 8,015 | $434.3K | 0.03% | +15+0.2% | Added |
| Glenmede Investment Management, LP | 7,892 | $427.6K | 0.00% | +7,892 | New |
| Quadrant Capital Group LLC | 7,522 | $407.5K | 0.01% | +10+0.1% | Added |
| Inceptionr LLC | 7,385 | $400.1K | 0.09% | +7,385 | New |
| Intech Investment Management LLC | 7,308 | $395.9K | 0.00% | −172−2.3% | Reduced |
| CWM Advisors, LLC | 7,239 | $392.2K | 0.04% | +1,876+35.0% | Added |
| Citadel Advisors LLC | 7,064 | $382.7K | 0.00% | −12,354−63.6% | Reduced |
| FMR LLC | 6,799 | $368.4K | 0.00% | +1,028+17.8% | Added |
| Blackhill Capital Inc | 6,666 | $361.2K | 0.02% | 00.0% | Unchanged |