Iron Mountain reports Q1 2026 results this morning with an unusual mix of signals: short sellers have been cutting exposure, analysts have been raising targets, and company insiders have been selling at pace. Today's print lands into that tension.
The most notable shift in positioning has been the retreat of short sellers over the past fortnight. SI peaked near 2.83% of the free float on April 16-17, then unwound steadily through the back half of April to reach 2.53% as of April 28 — a six-week low. That represents roughly 820,000 shares covered in two weeks, a clear directional move ahead of results. Borrowing is trivially cheap at 0.28% annualised, down 34% on the week, and availability remains extremely loose — the lending market shows no stress whatsoever, with availability well away from its 52-week tightest levels. Options positioning, meanwhile, is structurally put-heavy as is typical for a REIT, with a put/call ratio of 1.71. That is fractionally below IRM's own 20-day average of 1.79, suggesting the options market has not added extra defensive weight into the print. The borrow and options picture, in short, looks relaxed rather than braced.
Insider activity tells a sharply different story. CEO William Meaney sold roughly $10.4 million of stock in two tranches on April 1 and March 5, while EVP Mithu Bhargava sold a further $6.2 million in mid-March. The 90-day net insider flow is entirely one-directional — net sales of roughly $61.6 million. These are scheduled disposals that carry less informational weight than open-market purchases, but the scale is worth noting: management has been consistently lightening at prices between $102 and $107, well below the current $114.52 close.
The Street, by contrast, has been moving in the opposite direction. Wells Fargo lifted its target to $135 on April 21, maintaining an Overweight rating — the most recent call of note. The broader analyst consensus clusters around Overweight/Buy, with a mean price target of $122.73. That implies roughly 7% upside from the current price, a gap that has narrowed as the stock rallied 16.5% over the past month. EPS momentum scores rank in the 73rd-79th percentile across 30 and 90-day windows, and forward EPS growth ranks in the 99th percentile — an unusually strong estimate-revision backdrop. The dividend score at the 91st percentile reflects IRM's REIT income credentials. The valuation is not cheap — EV/EBITDA runs near 17.7x on trailing figures and forward EV/EBIT ranks in just the 19th percentile — but the growth narrative on data centre storage has kept the premium in place.
Earnings history provides relevant context. The February 12 print produced a single-day gain of 9.6% and a five-day gain of 7.9%, one of the stronger post-earnings reactions in the stock's recent record. The February 19 event (a secondary disclosure) added a further 4.2% on the day. That sequence reset expectations higher and is directly responsible for much of the month's 16.5% advance. Whether today's Q1 report can sustain that trajectory against a starting price $10 higher than February's close is the core question the market will be answering.
Peer performance gives little directional clue. DLR fell 3.1% on the week and EQIX was down 1.2%, putting IRM's 2.3% weekly decline broadly in line with the data-centre REIT complex. Vanguard and BlackRock, the two dominant holders at 15.7% and 11% respectively, both added to positions in the quarter to March, underscoring the passive-flow support beneath the stock. The watch points for today's call are data centre revenue growth, capital expenditure guidance — capex ran at $2.2 billion on current estimates — and any update to the dividend, given the dividend score sits at the 91st percentile while the payout data in this system has not been updated since 2022.
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