Birkenstock Holding plc (BIRK) shares slipped 5% in premarket trading Thursday after the footwear maker delivered a quarter that looked great on top but squeezed on the bottom. Holiday shoppers loved their sandals, but currency swings and tariffs loved their margins even more.

The Numbers Tell Two Stories

First-quarter fiscal 2026 revenue came in at $467.9 million, up 11.1% year over year but just shy of the $468.5 million analysts were expecting. Meanwhile, adjusted earnings per share of 31 cents edged past the Street's 30-cent forecast. So far, so good.

The problem showed up in the profitability metrics. Adjusted EBITDA climbed 4% to 106 million euros, which sounds decent until you look at the margin picture. EBITDA margin narrowed by 170 basis points to 26.5%, and the culprits were pretty clear: unfavorable currency translation shaved off 230 basis points, while incremental U.S. tariffs took another 130-basis-point bite. The company managed to claw some of that back through price increases (net of inflation) and better capacity absorption, but it wasn't enough to offset the damage.

Regional Performance Shows Strength Beneath the Surface

When you look past the margin pressure, the underlying demand story remains solid. Revenue grew across every region. The Americas segment posted 5% growth in reported terms but 14% on a constant currency basis. EMEA climbed 16% (17% constant currency). The real star was APAC, which surged 28% in reported revenue and an impressive 37% when you strip out currency effects.

CEO Oliver Reichert emphasized the positive momentum: "Our results for the first quarter of fiscal 2026 show the continued strong demand for our brand throughout the important holiday season."

He also pointed to the company's long-term strategy presented at their Capital Markets Day in late January, describing Birkenstock as "a one-of-a-kind purpose-driven brand with a huge runway for growth ahead." The three-year plan targets 13-15% revenue growth in constant currency and EBITDA margins above 30%.

Capital Deployment and Balance Sheet

Birkenstock deployed approximately 38 million euros in capital expenditures during the quarter, primarily for acquiring a new production site in Wittichenau. The company closed the quarter with 229 million euros in cash and cash equivalents. Net leverage ticked up slightly to 1.7 times from 1.5 times at the end of the prior quarter.

Guidance Gets a Lift

Despite the margin compression, management raised its full-year fiscal 2026 sales outlook to $2.759 billion-$2.808 billion, up from the previous range of $2.689 billion-$2.747 billion. That's a meaningful bump and suggests confidence that the demand trends will hold.

Telsey Advisory Group analyst Dana Telsey maintained an Outperform rating on Birkenstock with a $60 price target following the results.

BIRK Price Action: Birkenstock Holding shares traded down 5.00% at $38.00 during premarket trading on Thursday.