NSAR.O is a thinly traded utility subsidiary navigating a pair of live regulatory disputes that matter more to its credit profile than to any active equity trade.
The stock closed at $79.00 on April 28, recovering nearly 1% on the day after sliding about 2.5% over the prior month. For context, this is an OTC-listed bond — a debt instrument in equity form, held almost entirely for its fixed-income-like characteristics rather than traded actively. No market cap data is available, and the lending market reflects that reality: availability has been effectively zero for the full recent period, meaning no shares are circulating in the borrow pool at all. The 52-week high on utilisation reached 100% at some point, confirming that on the rare occasion borrow demand emerges, the pool empties immediately.
The regulatory backdrop is the more interesting angle. Eversource Energy — NSTAR Electric's parent — is locked in a FERC dispute over $1.5 billion in ratepayer refunds, with Eversource and fellow New England utility Avangrid having asked FERC to stay the order in early April. New England states pushed back later in the month, urging the regulator to advance the refunds. The outcome matters for NSTAR because the subsidiary sits inside the Eversource rate-base structure, and any forced refund mechanism flows through the operating entities. Separately, a controversy over the Aquarion Water acquisition — where Connecticut's attorney general and consumer counsel cited a "massive" math error in the state regulator's approval — has kept the Eversource group in unfavourable headlines through April.
The most recent earnings event, filed in February 2026 for full-year 2025, showed revenue of $3.99 billion — up from $3.72 billion the prior year — but net income slipped slightly to $630.6 million from $636.4 million. The stock moved just over 3% higher on the day of that announcement and held a 5.9% gain over the following week, making it one of the stronger post-earnings reactions in the recent history. Prior prints were far more muted: the August 2025 release produced no same-day move, and the November 2025 result added less than 1% before fading slightly over five days.
Short interest and cost-to-borrow data for this name are both significantly out of date — the most recent ORTEX estimates date to late October 2025, making any positioning read unreliable. What the utilisation series does confirm is that the borrow market has been dormant for months: availability has held at zero since at least late February, with no indication of fresh short demand building. For a subsidiary bond proxy with no freely traded float to speak of, that is entirely consistent with the instrument's character.
The next development worth watching is the FERC ruling on the stay requested by Eversource and Avangrid — if denied, it re-opens the question of how a $1.5 billion refund obligation is allocated across the operating subsidiaries, with NSTAR Electric among them.
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