Iron Mountain enters the back half of September nursing a 3.5% weekly loss and a sharper 13.4% slide over the past month, pushing the stock to $112.04 — well below where the Street thinks it should trade.
The most interesting tension right now is not the short book, which is genuinely thin, but the widening gap between a unanimous analyst consensus pointing well north of current levels and a price that keeps drifting lower.
The short position offers no real drama. At 2.4% of free float, bears have a minimal footprint, and the borrow market is as relaxed as it gets — availability remains extraordinarily loose at over 5,600% of short interest, and cost-to-borrow has drifted down over 20% in a week to just 0.35%. Short sellers added to positions on Monday but the absolute level remains too small to be a meaningful market signal. Options tell a similarly undramatic story: the put/call ratio of 2.0 looks elevated in isolation, but it runs fractionally below its own 20-day average of 2.05, with a z-score of -0.32. The persistently high PCR is structural for Iron Mountain — it has ranged between 1.37 and 2.42 over the past year — rather than a fresh expression of bearish conviction. Positioning, taken together, looks more neutral than charged.
Where the note gets more interesting is the analyst picture. The Street is firmly onside. Recent target raises have come from Barclays (to $144, reiterated Overweight on September 8), Truist (to $155, reiterated Buy in late August), and Wells Fargo (to $140, reiterated Overweight in early August). The direction of travel has been unambiguously upward across all firms covering the name — no cuts, no downgrades, and a consensus mean target of $146.20 that implies roughly 30% upside from current levels. Factor scores add nuance to the picture: the dividend score ranks in the 89th percentile, days-to-cover ranks in the 80th, and EPS momentum over both 30-day and 90-day windows looks solid at the 67th and 77th percentiles respectively. The EV/EBITDA multiple, around 16.6x, has compressed modestly over the past month alongside the price decline — the valuation has gotten marginally cheaper even as estimates have held. The one soft spot is EPS surprise, which ranks only in the 32nd percentile, suggesting the company has not been delivering the kind of beat-and-raise cadence that would typically accelerate re-rating.
The recent insider activity is worth noting, though context is important. CEO William Meaney sold roughly $4.4 million of stock on September 1 across multiple tranches, while the EVP of Data Centers and the Chief Commercial Officer each sold smaller blocks the same day. All trades were executed under pre-arranged 10b5-1 plans — a meaningful qualifier — and are better read as scheduled compensation-linked disposals than as discretionary signals about the business outlook. The 90-day net insider position is -$18 million, but with every trade plan-driven, the read-through to conviction is limited.
Closest peers DLR and EQIX posted weekly declines of 5.4% and 3.3% respectively, suggesting the pullback is partly sector-wide rather than IRM-specific. Data-center REITs have broadly softened this week. Whether that sector-level headwind persists — or whether the gap between $112 and a $146 analyst consensus starts to close — will be the cleaner question to track into the November 5 earnings date.
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