Middlesex WaterMSEX
13F holders, Q3 2025 (September 30)214holders −2
27new positions
28sold out
5famous investors
$54.12avg. 13F price*
At the end of Q3 2025, 214 institutions reported holding Middlesex Water Co. (MSEX) in their 13F filings, down 2 from Q2 2025. 27 opened new positions and 28 sold out. The largest holders were BlackRock, Inc. ($181.6M), T. Rowe Price Investment Management, Inc. ($88.4M) and Vanguard Group Inc. ($74.3M). 5 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Middlesex Water Co.
- CUSIP
- 596680108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 27 | $67.9M |
| Exits | 28 | $9.4M |
All 13F filers, Q2 2025 → Q3 2025: 1,933,203 shares bought and 1,127,090 shares sold, net +806,113 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 214 holders
| BlackRock, Inc. | 0.00% | Add +1.9% | 3,356,169 | $181.6M |
| T. Rowe Price Investment Management, Inc. | 0.05% | Add +8.2% | 1,633,229 | $88.4M |
| Vanguard Group Inc. | 0.00% | Reduce -3.6% | 1,373,488 | $74.3M |
| Neuberger Berman Group LLC | 0.04% | New | 1,011,454 | $54.7M |
| State Street Corp. | 0.00% | Add +1.6% | 702,475 | $38.0M |
| Morgan Stanley | 0.00% | Add +1.1% | 503,121 | $27.2M |
| Geode Capital Management, LLC | 0.00% | Add +3.5% | 459,352 | $24.9M |
| Legal & General Group Plc | 0.00% | Add +32.9% | 379,762 | $20.6M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -2.6% | 347,172 | $18.8M |
| Invesco Ltd. | 0.00% | Reduce -11.3% | 290,333 | $15.7M |
| Ledgewood Wealth Advisors, LLC | 8.14% | No change | 254,016 | $13.7M |
| Goldman Sachs Group Inc. | 0.00% | Add +1.6% | 245,272 | $13.3M |
| Renaissance Technologies | 0.02% | Add +6.0% | 215,013 | $11.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +12.6% | 204,706 | $11.1M |
| Northern Trust Corp. | 0.00% | Reduce -0.1% | 202,304 | $10.9M |
| Thematics Asset Management | 0.42% | No change | 171,000 | $9.3M |
| Bank of New York Mellon Corp | 0.00% | Reduce -13.9% | 166,721 | $9.0M |
| Zimmer Partners, LP | 0.20% | Add +26.6% | 154,557 | $8.4M |
| First Manhattan Co. Llc. | 0.02% | Reduce -7.4% | 147,353 | $8.0M |
| Principal Financial Group Inc. | 0.00% | Add +23.3% | 126,343 | $6.8M |
| ProShare Advisors LLC | 0.01% | Add +7.3% | 119,385 | $6.5M |
| TSP Capital Management Group, LLC | 1.73% | New | 119,224 | $6.5M |
| Cramer Rosenthal McGlynn LLC | 0.38% | Reduce -1.1% | 109,416 | $5.9M |
| Bank of America Corp. | 0.00% | Reduce -7.0% | 81,598 | $4.4M |
| UBS Group AG | 0.00% | Add +56.3% | 78,536 | $4.3M |
| Jane Street Group, LLC | 0.01% | Add +13.3% | 78,187 | $4.2M |
| D. E. Shaw & Co. | 0.00% | Add +4.7% | 76,722 | $4.2M |
| Public Sector Pension Investment Board | 0.01% | Add +15.1% | 70,322 | $3.8M |
| Rhumbline Advisers | 0.00% | Add +1.3% | 54,235 | $2.9M |
| Northstar Asset Management Inc. | 0.73% | Add +52.0% | 51,795 | $2.8M |
| AQR Capital Management | 0.00% | Add +212.0% | 47,997 | $2.6M |
| American Century Companies Inc. | 0.00% | Add +13.1% | 47,844 | $2.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -38.5% | 45,996 | $2.5M |
| Ameriprise Financial Inc. | 0.00% | Add +5.4% | 43,162 | $2.3M |
| Exchange Traded Concepts, LLC | 0.02% | Add +204.7% | 40,250 | $2.2M |
| NFJ Investment Group, LLC | 0.07% | Add +2.9% | 40,151 | $2.2M |
| Nuveen, LLC | 0.00% | Add +2.1% | 39,712 | $2.1M |
| Penn Capital Management Company, LLC | 0.17% | Add +129.7% | 39,705 | $2.1M |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +27.3% | 36,755 | $2.0M |
| JPMorgan Chase & Co. | 0.00% | Reduce -11.0% | 35,312 | $1.9M |
| Swiss National Bank | 0.00% | Add +1.5% | 34,662 | $1.9M |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +4.8% | 33,762 | $1.8M |
| Baird Financial Group, Inc. | 0.00% | New | 29,399 | $1.6M |
| Royal Bank of Canada | 0.00% | Add +365.9% | 28,641 | $1.6M |
| LPL Financial LLC | 0.00% | Add +3.4% | 28,380 | $1.5M |
| TD Asset Management Inc | 0.00% | Add +5.8% | 27,086 | $1.5M |
| Oppenheimer & Co. Inc. | 0.02% | Add +2.8% | 26,765 | $1.4M |
| SG Americas Securities, LLC | 0.01% | Add +2.3% | 26,500 | $1.4M |
| Two Sigma Investments, LP | 0.00% | New | 25,593 | $1.4M |
| Barclays PLC | 0.00% | Reduce -26.0% | 25,204 | $1.4M |
| T. Rowe Price Associates Inc. | 0.00% | Add +7.8% | 24,256 | $1.3M |
| HighTower Advisors, LLC | 0.00% | Add +20.0% | 23,086 | $1.2M |
| Alliancebernstein L.P. | 0.00% | Add +1.8% | 23,043 | $1.2M |
| Catalyst Funds Management Pty Ltd | 0.19% | New | 22,878 | $1.2M |
| Quantinno Capital Management LP | 0.00% | Add +77.9% | 22,424 | $1.2M |
| Gabelli Funds LLC | 0.01% | No change | 18,350 | $993K |
| Prudential Financial Inc. | 0.00% | Reduce -3.0% | 17,836 | $965K |
| Thrivent Financial for Lutherans | 0.00% | Reduce -36.8% | 17,815 | $964K |
| Storebrand Asset Management As | 0.00% | No change | 17,721 | $959K |
| Wells Fargo & Company | 0.00% | Add +16.4% | 17,318 | $937K |
| California State Teachers Retirement System | 0.00% | Add +0.0% | 16,486 | $892K |
| CenterBook Partners LP | 0.04% | Reduce -39.5% | 15,839 | $857K |
| Deutsche Bank AG | 0.00% | Add +12.4% | 15,837 | $857K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -4.1% | 15,508 | $839K |
| Franklin Resources Inc. | 0.00% | Add +10.4% | 15,102 | $817K |
| Millennium Management | 0.00% | Reduce -13.1% | 14,958 | $810K |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 0.05% | New | 13,627 | $737K |
| Manchester Capital Management LLC | 0.10% | No change | 13,515 | $731K |
| Citadel Advisors | 0.00% | Add +81.5% | 12,823 | $694K |
| Magellan Asset Management Ltd | 0.01% | Add +3.0% | 12,416 | $672K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -7.8% | 12,363 | $669K |
| Cerity Partners LLC | 0.00% | Add +6.6% | 12,129 | $656K |
| Private Advisor Group, LLC | 0.00% | No change | 11,667 | $631K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -65.7% | 10,841 | $587K |
| Main Street Financial Solutions, LLC | 0.04% | Add +0.6% | 10,527 | $570K |
| MetLife Investment Management, LLC | 0.00% | No change | 10,472 | $567K |
| Raymond James Financial Inc. | 0.00% | Reduce -2.1% | 10,464 | $566K |
| Corient Private Wealth LP | 0.00% | Reduce -49.1% | 10,180 | $551K |
| Verition Fund Management LLC | 0.00% | Add +85.9% | 10,114 | $547K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | Add +112.5% | 9,898 | $536K |
| State of Alaska, Department of Revenue | 0.01% | Reduce -9.9% | 9,599 | $518K |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | Reduce -14.4% | 9,390 | $508K |
| Illinois Municipal Retirement Fund | 0.01% | Reduce -3.3% | 9,388 | $508K |
| New York State Teachers Retirement System | 0.00% | No change | 9,011 | $488K |
| Daiwa Securities Group Inc. | 0.00% | Reduce -0.8% | 8,986 | $486K |
| Janus Henderson Group PLC | 0.00% | No change | 8,972 | $486K |
| State of Wisconsin Investment Board | 0.00% | Reduce -6.9% | 8,822 | $477K |
| Mariner, LLC | 0.00% | Add +122.4% | 8,785 | $475K |
| Tidal Investments LLC | 0.00% | Reduce -4.7% | 8,693 | $470K |
| Commonwealth Equity Services, LLC | 0.00% | Reduce -0.8% | 8,584 | $465K |
| Inspire Investing, LLC | 0.04% | Add +15.6% | 8,370 | $453K |
| Creative Planning | 0.00% | Add +74.1% | 8,349 | $452K |
| Parcion Private Wealth LLC | 0.03% | Add +3.7% | 8,311 | $450K |
| Louisiana State Employees Retirement System | 0.01% | Reduce -1.2% | 8,300 | $449K |
| Glenmede Investment Management, LP | 0.00% | Reduce -0.4% | 7,861 | $425K |
| Quantbot Technologies LP | 0.01% | Add +2152.5% | 7,591 | $411K |
| Intech Investment Management LLC | 0.00% | No change | 7,308 | $396K |
| Quadrant Capital Group LLC | 0.01% | Reduce -2.9% | 7,302 | $395K |
| Ethic Inc. | 0.01% | Reduce -35.7% | 7,239 | $392K |
| BNP Paribas Financial Markets | 0.00% | Reduce -29.1% | 6,998 | $379K |
"% of holder's portfolio" is MSEX's weight in each manager's 13F, not the share of Middlesex Water Co. the manager owns.