AAON · AAON, Inc. · Stock research

Current Thesis

AAON is the custom-engineered cooling supplier levered to the AI data-center buildout, and its BASX subsidiary carries the entire re-rating. The story detonated in a single session on the 2026-05-07 Q1 print revenue +54.3% YoY, the full-year growth outlook doubled from 18-20% to 40-45%, backlog up 107% to $2.13B and the theme of industrial power and thermal management for high-density compute is still accelerating. The problem for a buyer on 2026-07-11 is that the repricing already happened. The stock gapped roughly $90 → $150, insiders sold into the strength, and the tape has spent six weeks digesting near the highs. The next event that can move it is the Q2 print, estimated 2026-07-30, with the blackout starting around 2026-07-25 so the window to establish anything ahead of a binary is closing, and a ~55x forward multiple has to hold on narrative alone until the number lands.

Bullish and bearish views on AAON, Inc.

The model's bull view on AAON, Inc. (AAON), in brief: Q1 2026 (2026-05-07): net sales $496.9M, +54.3% YoY, vs ~$381M consensus; adjusted EPS $0.48 vs $0.29 expected a two-line beat wide enough to force estimates higher. The bear view: The re-rating is already in the tape. The +50% move fired on the 2026-05-07 gap and topped at $150.46; the clean breakout-retest entry has passed. Valuation gives little room: trailing P/E ~93, forward ~55 as of 2026-06-05. At the 2026-06-05 close of $132.62 the stock sat… Both cases follow in full.

Bull Case

• Q1 2026 (2026-05-07): net sales $496.9M, +54.3% YoY, vs ~$381M consensus; adjusted EPS $0.48 vs $0.29 expected a two-line beat wide enough to force estimates higher.
• FY2026 sales guide lifted from $1.702-1.730B to $2.019-2.091B on the same print; growth framing moved from 18-20% to 40-45% in one quarter.
• Backlog $2.13B as of 2026-05-07: +107.4% YoY, +16.5% sequential forward revenue largely under contract rather than pipeline projection.
• BASX data-center sales +72.4% YoY and +26% sequential; liquid cooling +186.8% on a trailing-twelve-month basis. Management guided BASX toward ~$1B of FY2026 revenue, putting roughly half the company directly on AI data-center capex.

• $100M buyback authorized alongside the print (2026-05-07).
• Sell-side chased: Baird to $150 from $125 and Oppenheimer to $145 from $118, both 2026-05-08; consensus rose ~17% to ~$144 by 2026-05-12.

Bear Case

• The re-rating is already in the tape. The +50% move fired on the 2026-05-07 gap and topped at $150.46; the clean breakout-retest entry has passed.
• Valuation gives little room: trailing P/E ~93, forward ~55 as of 2026-06-05. At the 2026-06-05 close of $132.62 the stock sat essentially on the ~$143.50 consensus target, so analyst math no longer pulls without another estimate revision higher.
• Insider distribution into strength: CEO Tobolski sold ~8,000 shares near $135 (2026-05-13), a director sold 19,000, an EVP sold 3,000 clustered in May around $135.
• 2026-06-05 closed -7.61% on ~1.25M shares, the first heavy distribution day off the high; subsequent action has been sideways digestion without an accumulation signature.
• The Q2 print (2026-07-30, est.) is binary and it is the only near-term catalyst. A ~55x forward multiple magnifies the downside of any sequential backlog softening or margin slip on a 1.40-beta name.
• The 40-45% growth year builds a punishing 2027 comparison; the market will start pricing the decel well before it arrives.

Setup & Price Structure

• Last hard reference: $132.62 close on 2026-06-05 (-7.61%), after-hours $132.00, session range $131.46-$141.73 on ~1.25M shares now aging, re-validate against live tape before acting.
• 52-week range $62.00 $150.46; market cap ~$10.86B; beta 1.40. The early-June close sat ~12% under the high and ~114% above the low.
• Structure is a post-gap digestion box: the May gap base sits ~$110-115, the rising 20-EMA ~$125, and the high at $150.46. Holding above the 20-EMA into the print reads constructive; losing the gap base breaks the whole move.
• No fresh accumulation signature since the June distribution day. This is range-bound consolidation waiting on the next number, and a fresh entry at current levels is a chase, not a base.

Catalyst Calendar (next 30 days)

• ~2026-07-25 (est.): earnings blackout begins insider Form 4 flow goes quiet; watch for any last-window insider sales ahead of the shutdown.
• 2026-07-30 (est.): Q2 2026 earnings print. The binary. The market wants sequential BASX backlog growth and gross margin holding 27-28%; a sequential backlog stall or margin below guide re-rates the stock down hard.
• No other AAON-specific dated catalyst inside the window. Hyperscaler capex commentary on the late-July Microsoft/Meta/Alphabet/Amazon calls is the read-through that moves the cooling complex ahead of AAON's own print.

What Would Change Our Mind

• Constructive: a base reclaim holding the 20-EMA (~$125) and pressing back toward the $150.46 high on rising volume ahead of the print turns the digestion into a launch pad and justifies a fresh entry rather than a wait.
• Bull confirmation on 2026-07-30: BASX backlog up sequentially again, FY guide reiterated or raised, gross margin at or above 27-28% that re-arms the accelerating leg and supports paying the multiple.
• Thesis break: a weekly close below $115 gives back the May gap base and voids the re-rating; a Q2 print showing BASX backlog rolling over sequentially or gross margin below the 27-28% guide flips the theme read toward saturation and removes the reason to own it at 55x forward.

Correlation Notes

• AAON trades inside the industrial-power-AI cluster; peers include Sterling Infrastructure (STRL), Shoals (SHLS), Comfort Systems (FIX), and the pure thermal-management names Vertiv (VRT) and Modine (MOD). Vertiv is the scale liquid-cooling read; AAON/BASX is the custom-engineered-unit read on the same demand.
• Beta 1.40 means it amplifies AI-infrastructure risk-on/off; drawdowns in the semi and hyperscaler complex (NVDA, the cloud capex names) pull it regardless of company-specific news.
• Highest near-term correlation is to hyperscaler capex guidance the late-July Microsoft/Meta/Alphabet/Amazon prints set the tape for data-center cooling demand and will move AAON before its own 2026-07-30 report.