GFL Environmental heads into September with shorts quietly retreating and the borrow market sitting comfortably loose — a setup that contrasts with the stock's flat-to-slightly-negative year so far.
The positioning picture here is notably benign for a name that has historically carried elevated short interest relative to North American waste peers. Short interest has drifted down almost 2% on the week to 2.4% of the free float — roughly 8.5 million shares — and the decline extends a trend that has run for most of August. Borrow availability is generous at around 206%, meaning there are roughly two shares available to lend for every one already borrowed. That's well above the 52-week tightest reading of 165%, recorded in mid-August, and signals no squeeze pressure in the lending market. Cost to borrow has ticked up about 23% on the week to 0.63%, but in absolute terms it remains trivially cheap — under one percent annually. The overall ORTEX short score of 46.5 has been fading gradually since hitting 49 in mid-August, consistent with the unwinding rather than any aggressive re-build of shorts. What's notable is the direction: each of the past ten daily readings has been flat to lower, suggesting the bearish thesis is losing adherents without any particular catalyst.
The Street picture is harder to read cleanly. Analyst data in the snapshot is stale — the most recent consensus data dates to early 2021, well over five years ago, and any historical price targets should be disregarded entirely. What the factor scores do show is a stock that screens modestly. The EPS surprise rank is weak at just the 3rd percentile, meaning GFL consistently falls short of estimates. Near-term EPS momentum (30-day) is soft at the 16th percentile. The 90-day EPS momentum measure is more respectable at the 58th percentile, pointing to some improvement further out. One genuinely standout factor: the dividend score ranks in the 93rd percentile, though that somewhat overstates the income angle — the last dividend in the data was a token $0.012 payment in mid-2022, and there has been no activity since. EV/EBITDA sits at 11.7x and has contracted about 0.37 turns over the past 30 days, while the PE of 52x has expanded by roughly 2.5 turns over the same window — a mix that says the market is paying up on earnings but seeing EBITDA value improve incrementally.
The ownership register carries a few items worth noting. BC Partners remains the dominant institutional holder at 17.2% of shares. Founder and CEO Patrick Dovigi held 6.8% as of his last Schedule 13G filing in November 2025, though that stake has moved in the intervening period — institutional data shows him at 3.4% of shares as of February 2026, and any figure between those two data points should be treated as directional rather than precise. No holder on the register has filed a Schedule 13D, meaning there is no disclosed activist presence. FMR (Fidelity) added about 552,000 shares through July, and Fidelity International built a position of 7.7 million shares — nearly all of it new — as of June 30. Maverick Capital reported a 6.4-million-share addition through Q2, bringing its stake to just over 10 million shares, or 2.8% of the company. These are meaningful incremental buys from institutional names that do their homework, and they run in the opposite direction of the modest short-selling activity.
The most recent earnings prints have been constructive. The Q2 2026 report in late July produced a 5.2% one-day gain and held most of that into the five-day window, adding another 4.4%. The prior event in the same period also showed a positive reaction. That track record matters for setting expectations around the next scheduled print on November 4. GFL's close peers have had a mixed week: WCN slipped 1.4% on the week while RSG gained 1.1% and WM gave back 1.1% — GFL's 2.4% weekly gain places it at the top of that peer group, a minor divergence worth monitoring into the next data cycle.
The key variable going into autumn is whether the steady short unwind continues to hold, or whether the leverage narrative — GFL's most persistent bear case — re-emerges as a concern ahead of the November earnings release.
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