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Middlesex Water Co

corporate_fare Company Profile

Middlesex Water Co

MSEX·NASDAQ·Energy & Transportation·CIK 0000066004

Middlesex Water Company owns and operates regulated water utility and wastewater systems, primarily in New Jersey and Delaware. The company also operates water and wastewater systems under contract for municipal and private clients, mainly in New Jersey and Delaware. Through its regulated utility systems, Middlesex Water Company serves approximately 131,000 customers. The company's subsidiaries include Tidewater Utilities, Inc., which owns Southern Shores Water Company, LLC and White Marsh Environmental Systems, Inc. Other subsidiaries are Pinelands Water Company and Pinelands Wastewater Company (collectively, Pinelands), Utility Service Affiliates, Inc. (USA), and Utility Service Affiliates (Perth Amboy) Inc. (USA-PA). The Middlesex System, located in New Jersey, provides water services to approximately 61,000 retail customers, primarily in eastern Middlesex County. It also supplies water under wholesale contracts to the City of Rahway, Townships of Edison and Marlboro, the Borough of Highland Park, and the Old Bridge Municipal Utilities Authority. The Middlesex System treats, stores, and distributes water for residential, commercial, industrial, and fire protection purposes. Middlesex Water Company was incorporated as a water utility company in 1897.

Middlesex Water Co (NASDAQ:MSEX) is a publicly traded company in the Energy & Transportation sector. Wiseek has independently scored 6 items for MSEX at importance 7 or higher on its 1–10 market-impact scale. Its most recent item scored 7 or higher is dated 2026-07-30, rated 7/10. Across its 6 most recent items scored 7 or higher, the top rating is 8/10, with 2 rated 8 or above. Recent SEC coverage for MSEX spans 10-Q, DEF 14A, 424B5, 10-K.

Recent high-impact activity:

  • Rate Hikes Drive 37% Jump in Middlesex Water Q2 Earnings; ATM Program Taps $14M
  • Middlesex Water Reports Mixed Q1: Revenue Misses Estimates, EPS Rises
  • Middlesex Water Details $506M Infrastructure Plan, Highlights Strong 2025 Performance
  • Middlesex Water Reports $30M in ATM Stock Sales, $80M Remaining
  • Middlesex Water Reports 2025 Results, Secures Major Rate Hikes & $506M Capital Plan

Financial Snapshot

Fiscal year ended December 31, 2025
Revenue
$194.69M
Net Income
$42.82M
Diluted EPS
$2.36
Op. Cash Flow
$62.6M
Operating Income
$54.38M
Cash & Equivalents
$2.8M
Total Debt
$386.72M
Debt / Equity
0.78×
Net Margin
22.0%
Shares Outstanding
18.52M sh
Source: 10-K · filed 2026-02-19 · accession 0001628280-26-009777

Short Interest & Short Volume

8.13 days to cover

FINRA reported short interest of 862,662 shares in MSEX as of the September 15, 2026 settlement, a 10.2% increase from the prior period — about 8.1 days to cover at its recent average daily volume. On October 2, 2026, 70.5% of MSEX volume reported to FINRA trade-reporting facilities was marked short.

Short interest (bi-monthly positions)862,662 shares as of September 15, 2026
Change vs prior period▲ 10.2%
Days to cover8.13 at avg daily volume of 106,054
Daily short volume (FINRA facilities)70.5% of 31,561 shares on October 2, 2026
5-day average short volume57.2%

Daily short sale volume covers trades reported to FINRA trade-reporting facilities and is not the same as short interest (bi-monthly reported positions). Source: FINRA — FINRA is the owner and source of this short interest and short sale volume data; it may not be redistributed.

Browse all tickers starting with M →
$53.56
52-week range · as of 2026-07-30 $44.17 – $62.17
Market cap
$1.01B
Volume
132.4K (1.1× avg)
3-mo avg 120.4K
Live data · 2026-10-05 02:05 UTC · Market closed

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feed MSEX - Latest Insights

MSEX
Jul 30, 2026, 4:05 PM EDT
Filing Type: 10-Q
Importance Score:
7
Price at Filing: $55.81
Real-time Price: $53.56 info
Change: -$2.25 (-4%) info
Market Cap: $1.009B info
MSEX
Apr 30, 2026, 5:31 PM EDT
Source: Reuters
Importance Score:
7
Price at Filing: $50.88
Real-time Price: $53.56 info
Change: +$2.68 (+5%) info
Market Cap: $1.009B info
MSEX
Apr 06, 2026, 4:05 PM EDT
Filing Type: DEF 14A
Importance Score:
7
Price at Filing: $52.80
Real-time Price: $53.56 info
Change: +$0.760 (+1%) info
Market Cap: $1.009B info
MSEX
Feb 20, 2026, 7:57 AM EST
Filing Type: 424B5
Importance Score:
7
Price at Filing: $54.10
Real-time Price: $53.56 info
Change: -$0.540 (-1.00%) info
Market Cap: $1.009B info
MSEX
Feb 19, 2026, 4:23 PM EST
Filing Type: 10-K
Importance Score:
8
Price at Filing: $54.47
Real-time Price: $53.56 info
Change: -$0.910 (-2%) info
Market Cap: $1.009B info
MSEX
Feb 19, 2026, 4:06 PM EST
Filing Type: 8-K
Importance Score:
8
Price at Filing: $54.47
Real-time Price: $53.56 info
Change: -$0.910 (-2%) info
Market Cap: $1.009B info
Research tools: Filing Impact Index Dilution Tracker Split Calendar Open Datasets