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 |
|---|---|---|---|---|---|
| Kestra Advisory Services, LLC | 5,172 | $280.2K | 0.00% | +30+0.6% | Added |
| Janney Montgomery Scott LLC | 5,189 | $281.0K | 0.00% | −195−3.6% | Reduced |
| Arizona State Retirement System | 5,222 | $282.9K | 0.00% | +149+2.9% | Added |
| Maryland State Retirement & Pension System | 5,234 | $283.6K | 0.01% | 00.0% | Unchanged |
| Verition Fund Management LLC | 5,440 | $294.7K | 0.00% | −6,115−52.9% | Reduced |
| New York State Common Retirement Fund | 5,548 | $300.6K | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Trust Co of Long Beach | 5,579 | $302.3K | 0.06% | 00.0% | Unchanged |
| Gotham Asset Management, LLC | 5,643 | $305.7K | 0.00% | +405+7.7% | Added |
| Teachers Retirement System of the State of Kentucky | 5,699 | $309.0K | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 5,911 | $320.3K | 0.00% | 00.0% | Unchanged |
| Guyasuta Investment Advisors Inc | 6,000 | $325.1K | 0.02% | 00.0% | Unchanged |
| Ballentine Partners, LLC | 6,032 | $326.8K | 0.00% | +6,032 | New |
| Royal Bank of Canada | 6,148 | $333.0K | 0.00% | +539+9.6% | Added |
| Comerica Bank | 6,490 | $351.6K | 0.00% | +114+1.8% | Added |
| State of Tennessee, Treasury Department | 6,597 | $357.4K | 0.00% | +2,246+51.6% | Added |
| Manufacturers Life Insurance Company, The | 6,602 | $357.7K | 0.00% | +208+3.3% | Added |
| Yousif Capital Management, LLC | 6,603 | $357.8K | 0.00% | 00.0% | Unchanged |
| Blackhill Capital Inc | 6,666 | $361.2K | 0.02% | 00.0% | Unchanged |
| FMR LLC | 6,799 | $368.4K | 0.00% | +1,028+17.8% | Added |
| Citadel Advisors LLC | 7,064 | $382.7K | 0.00% | −12,354−63.6% | Reduced |
| CWM Advisors, LLC | 7,239 | $392.2K | 0.04% | +1,876+35.0% | Added |
| Intech Investment Management LLC | 7,308 | $395.9K | 0.00% | −172−2.3% | Reduced |
| Inceptionr LLC | 7,385 | $400.1K | 0.09% | +7,385 | New |
| Quadrant Capital Group LLC | 7,522 | $407.5K | 0.01% | +10+0.1% | Added |
| Glenmede Investment Management, LP | 7,892 | $427.6K | 0.00% | +7,892 | New |
| Parcion Private Wealth LLC | 8,015 | $434.3K | 0.03% | +15+0.2% | Added |
| Louisiana State Employees Retirement System | 8,400 | $455.1K | 0.01% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 8,658 | $469.0K | 0.00% | −3,051−26.1% | Reduced |
| Janus Henderson Group PLC | 8,972 | $485.9K | 0.00% | 00.0% | Unchanged |
| New York State Teachers Retirement System | 9,011 | $488.0K | 0.00% | +100+1.1% | Added |
| Daiwa Securities Group Inc. | 9,055 | $491.0K | 0.00% | +1,313+17.0% | Added |
| Toroso Investments, LLC | 9,119 | $494.1K | 0.00% | −1,750−16.1% | Reduced |
| State of Wisconsin Investment Board | 9,475 | $513.4K | 0.00% | −2,170−18.6% | Reduced |
| Illinois Municipal Retirement Fund | 9,711 | $526.1K | 0.01% | +2,288+30.8% | Added |
| BNP Paribas Arbitrage, SA | 9,867 | $534.6K | 0.00% | +6,277+174.8% | Added |
| Main Street Financial Solutions, LLC | 10,467 | $567.1K | 0.04% | +20+0.2% | Added |
| MetLife Investment Management | 10,472 | $567.4K | 0.00% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 10,657 | $576.0K | 0.01% | +763+7.7% | Added |
| Raymond James Financial Inc | 10,691 | $579.3K | 0.00% | +193+1.8% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 10,970 | $594.4K | 0.00% | +743+7.3% | Added |
| Ethic Inc. | 11,260 | $613.8K | 0.01% | −7,694−40.6% | Reduced |
| Cerity Partners LLC | 11,374 | $616.2K | 0.00% | −4,108−26.5% | Reduced |
| Private Advisor Group, LLC | 11,667 | $632.1K | 0.00% | +703+6.4% | Added |
| Magellan Asset Management Ltd | 12,056 | $653.2K | 0.01% | −232−1.9% | Reduced |
| Quantinno Capital Management LP | 12,607 | $683.1K | 0.00% | +5,291+72.3% | Added |
| DRW Securities, LLC | 13,205 | $715.4K | 0.05% | +13,205 | New |
| Exchange Traded Concepts, LLC | 13,212 | $715.8K | 0.01% | +252+1.9% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 13,409 | $726.5K | 0.00% | −512−3.7% | Reduced |
| Manchester Capital Management LLC | 13,515 | $732.2K | 0.10% | 00.0% | Unchanged |
| Franklin Resources Inc | 13,677 | $741.0K | 0.00% | +537+4.1% | Added |
| Deutsche Bank AG | 14,094 | $763.6K | 0.00% | −2,416−14.6% | Reduced |
| Wells Fargo & Company | 14,874 | $805.8K | 0.00% | +2,001+15.5% | Added |
| AQR Capital Management LLC | 15,382 | $833.4K | 0.00% | +10,711+229.3% | Added |
| The PNC Financial Services Group, Inc. | 16,165 | $875.8K | 0.00% | −198−1.2% | Reduced |
| California State Teachers Retirement System | 16,485 | $893.2K | 0.00% | −185−1.1% | Reduced |
| Citigroup Inc | 16,532 | $895.7K | 0.00% | −10,708−39.3% | Reduced |
| Aquatic Capital Management LLC | 16,926 | $917.1K | 0.02% | +6,338+59.9% | Added |
| Millennium Management LLC | 17,210 | $932.4K | 0.00% | −37,166−68.4% | Reduced |
| Penn Capital Management Co Inc | 17,283 | $936.4K | 0.08% | +17,283 | New |
| Storebrand Asset Management AS | 17,721 | $960.1K | 0.00% | +3,321+23.1% | Added |
| Gabelli Funds LLC | 18,350 | $994.2K | 0.01% | 00.0% | Unchanged |
| Prudential Financial Inc | 18,391 | $996.4K | 0.00% | +827+4.7% | Added |
| HighTower Advisors, LLC | 19,243 | $1.04M | 0.00% | −169−0.9% | Reduced |
| CI Private Wealth, LLC | 19,992 | $1.08M | 0.00% | −243−1.2% | Reduced |
| Price T Rowe Associates Inc | 22,510 | $1.22M | 0.00% | +969+4.5% | Added |
| Alliancebernstein L.P. | 22,643 | $1.23M | 0.00% | +1,200+5.6% | Added |
| TD Asset Management Inc | 25,588 | $1.39M | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 25,914 | $1.40M | 0.01% | +18,834+266.0% | Added |
| Oppenheimer & Co Inc | 26,035 | $1.41M | 0.02% | +224+0.9% | Added |
| CenterBook Partners LP | 26,180 | $1.42M | 0.08% | +26,180 | New |
| Susquehanna International Group, LLP | 26,704 | $1.45M | 0.00% | −14,430−35.1% | Reduced |
| State Board of Administration of Florida Retirement System | 27,193 | $1.47M | 0.00% | +21,410+370.2% | Added |
| Squarepoint Ops LLC | 27,380 | $1.48M | 0.00% | +11,929+77.2% | Added |
| LPL Financial LLC | 27,442 | $1.49M | 0.00% | +435+1.6% | Added |
| Thrivent Financial for Lutherans | 28,189 | $1.53M | 0.00% | +62+0.2% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 28,864 | $1.56M | 0.00% | +25,973+898.4% | Added |
| Deprince Race & Zollo Inc | 31,490 | $1.71M | 0.04% | −1,992−5.9% | Reduced |
| Russell Investments Group, Ltd. | 31,583 | $1.71M | 0.00% | +2,748+9.5% | Added |
| Great West Life Assurance Co | 32,223 | $1.75M | 0.00% | +2,410+8.1% | Added |
| Barclays PLC | 34,049 | $1.84M | 0.00% | +11,024+47.9% | Added |
| Northstar Asset Management Inc | 34,072 | $1.85M | 0.51% | +14,725+76.1% | Added |
| Swiss National Bank | 34,162 | $1.85M | 0.00% | −400−1.2% | Reduced |
| Nuveen, LLC | 38,892 | $2.11M | 0.00% | −12,683−24.6% | Reduced |
| NFJ Investment Group, LLC | 39,018 | $2.11M | 0.07% | −11,109−22.2% | Reduced |
| JPMorgan Chase & Co | 39,688 | $2.15M | 0.00% | −15,895−28.6% | Reduced |
| Ameriprise Financial Inc | 40,937 | $2.22M | 0.00% | −3,488−7.9% | Reduced |
| American Century Companies Inc | 42,320 | $2.29M | 0.00% | +7,335+21.0% | Added |
| UBS Group AG | 50,261 | $2.72M | 0.00% | +4,293+9.3% | Added |
| Rhumbline Advisers | 53,520 | $2.90M | 0.00% | +1,740+3.4% | Added |
| Public Sector Pension Investment Board | 61,099 | $3.31M | 0.01% | +4,479+7.9% | Added |
| Jane Street Group, LLC | 69,009 | $3.74M | 0.01% | +1,020+1.5% | Added |
| D. E. Shaw & Co., Inc. | 73,299 | $3.97M | 0.00% | +2,224+3.1% | Added |
| UBS Asset Management Americas Inc | 74,779 | $4.05M | 0.00% | +15,557+26.3% | Added |
| Bank of America Corp | 87,776 | $4.76M | 0.00% | +29,383+50.3% | Added |
| Principal Financial Group Inc | 102,432 | $5.55M | 0.00% | +13,499+15.2% | Added |
| Cramer Rosenthal McGlynn LLC | 110,670 | $6.00M | 0.41% | −38,277−25.7% | Reduced |
| ProShare Advisors LLC | 111,208 | $6.03M | 0.01% | −4,355−3.8% | Reduced |
| TSP Capital Management Group, LLC | – | $6.05M | 1.90% | – | – |
| Zimmer Partners, LP | 122,057 | $6.61M | 0.15% | +9,800+8.7% | Added |
| First Manhattan Co | 159,153 | $8.62M | 0.02% | −10,635−6.3% | Reduced |