PAC Reports Today With Activist Register Intact and Short Interest Still Climbing

PAC hits its Q3 earnings release today with the same concentrated ownership story that defined the pre-print setup four days ago, and with short sellers continuing to add exposure into the event.

The activist register remains the most distinctive feature of this stock. Four Schedule 13D filings landed in May 2026: Aena Desarrollo Internacional at 6.55%, Juan Ignacio Gallardo Thurlow at 6.9%, Laura Diez-Barroso Azcarraga at 10.9%, and Eduardo Sanchez Navarro at 6.7%. A 13D signals controlling or activist intent, not a passive stake. Having four simultaneously on the same register is unusual. BlackRock holds a further 13.3% via a 13G/A amendment filed in July. Together, a handful of holders account for a substantial majority of the float. As always with 13D/G disclosures, stakes are as-last-filed; any holder falling below 5% need not report again.

Short interest has continued building since the October 16 preview. Estimated shares short reached approximately 507,500 by October 16, up 8% on the week and 32% over the past month. The absolute level remains modest relative to total float, and the lending market is relaxed: availability is around 418%, meaning shares to borrow far outnumber shares already borrowed. Borrowing costs, at roughly 0.61% annually, are low and have eased slightly on the week. The short-score reading of 37.9 is unremarkable, ranking in the 42nd percentile versus peers. The build in short interest looks measured rather than aggressive given how easy and cheap the borrow remains.

Analyst opinion has shifted constructively in recent months. HSBC upgraded to Buy with a target of $277 on October 5. Morgan Stanley moved from Underweight to Equal-Weight in August, raising its target to $225. Goldman Sachs kept its Buy rating but trimmed the target from $312 to $275 in early August. Citigroup upgraded to Buy in July. The direction of travel across major firms has been broadly positive. The stock closed at $203.09 Monday, effectively flat on the week and month, leaving it well below the targets set by the more bullish names on the Street. The consensus target range from bellwether firms clusters around $225 to $277, implying the market is pricing in less than the analysts.

The two most recent earnings prints gave little cause for celebration. After the July results, PAC fell 1.5% on the day and 2.1% over the following five days. The prior print delivered a 0.3% one-day decline and a 3.7% five-day drop. Neither move was dramatic, but the pattern was consistently negative. Today's print will test whether the constructive analyst repositioning of the past three months has shifted the earnings reaction dynamic, or whether the stock's persistent underperformance against regional peers reflects something more durable in the underlying numbers.