Penguin Solutions Just Printed the Best Quarter in Its History

This is a Mythic Market Research note. For informational and educational purposes only not investment advice or a solicitation. Do your own research.

Position disclosure: Long PENG

Start with the print, because the print is not in dispute.

Penguin Solutions reported FQ3 FY2026 on July 7. Net sales of $478.7 million, up 47.6% year over year. Non-GAAP EPS of $0.84, up 79%, a fourth consecutive beat. Management raised full-year guidance above the prior high end, to roughly +22% sales and $2.60 of non-GAAP EPS. GAAP operating margin went from 3.0% to 10.6% in a single year.

And here is the number that made us look twice: GAAP operating expenses fell 3.4% year over year against 47.6% revenue growth. That is not a rounding artifact. That is a company that grew half again as large while spending less to run itself.

On our eight-quarter Twin-Momentum framework, Penguin’s base score (FBS) is +2.16, the strongest of any AI-infrastructure name we track. Stronger than Micron’s. Stronger than Marvell’s.

The stock closed over +20% on 2.5x volume, at a 52-week high, up 279.6% in three months.

The question is the one that keeps showing up in our work on every parabolic name: what, exactly, are you buying and at what price?

Split the revenue line and the story changes.

Segment FQ3’26YoY

1. Integrated Memory: $275.1M +111%

2. Advanced Computing: $137.6M +3.8%

Integrated Memory is now 57% of sales, up from 40% a year ago. Advanced Computing the AI-server business, the segment the entire “AI infrastructure” framing rests on, the segment NVIDIA blessed with an invitation-only AI Factory Specialized Partner designation on June 23 grew 3.8%.

The growth is memory. Penguin buys DRAM and sells modules. When DRAM prices rise, Penguin’s revenue line rises with them and its gross margin thins (right now barely), because it is paying up for the input.

You can watch it happen in the margin rows:

Gross margin is flat-to-down across eight quarters 28.0% to 27.8%, with the company itself guiding FY26 to 26.5%. Operating margin nearly quadrupled over the same window.

Those two lines are the entire thesis. Every point of margin expansion came out of the expense line, not out of price or mix. Micron captures this same DRAM cycle as an 84.9% non-GAAP gross margin. Penguin captures it as revenue.

That distinction is not academic. Cost discipline is real and displayed in there earning release, and it is potentially finite. You cannot cut opex 3.4% a year forever.

• The operating leverage is genuine. Revenue +47.6%, opex −3.4%. Quarterly ROIC went from 1.0% to 9.1% across the eight-quarter window.

• The base is real. FBS +2.16 on eight clean GAAP quarters is the best structural base in the AI-infra complex, and we compute it the same way for every name we cover.

• Integrated Memory is direct exposure to the AI memory supercycle the same cycle driving Micron, expressed through a $4 billion market cap instead of a trillion-dollar one.

• The NVIDIA designation is a real catalyst landing into a float that is roughly 20.7% short with 3.4 days to cover on average.

• The balance sheet is not the risk. Net debt is roughly $20 million against $440.3 million of cash. Whatever else goes wrong here, it is not a solvency story.

• Street is stale. Consensus was set pre-print, at $1.58B FY26E sales and $2.28 non-GAAP EPS, both below the company’s own raised guide. Sharp upward revisions are coming.

• It is a memory trade, not an AI-server trade. 57% of sales, +111%, versus +3.8% for the segment that justifies the multiple.

• Gross margin is compressing 27.8% versus 29.3% a year ago, guided to 26.5%. Rising DRAM inflates the revenue line and squeezes the margin simultaneously.

• Cash is not following earnings. Receivables +128% and inventories +95% since FY25 year-end, against 48% sales growth. Cash fell from $453.8M to $440.3M over nine months while GAAP net income was $87.4M. That is the single most uncomfortable table in the filing.

• The extension is extreme. 43% above the 50-day. 165% above the 200-day. 279.6% in three months. An 11.7% average daily range and a beta of 3.34.

• Nothing published supports the price. Pre-print consensus target: $39.86. That is 49% below spot. The Street could have been blind to the Memory business.

Here is the part most people covering this print will skip.

Our AI-infrastructure basket (MU, MRVL, DELL, VRT, SMCI, CLS) equal-weighted is −9.3% over one week and −4.5% over one month against +77.7% over three months. The short window has fallen below the long window. That is the rotating-out signature. Micron is −18.2% this week. Marvell is −21.6%.

Penguin is the exception, +3.0% on the week, on its own catalyst.

And Penguin is not a diversifier from that book. Its 126-day daily-return correlation is 0.66 to the basket and 0.64 to Marvell. It is a higher-beta expression of the same trade. For position-sizing purposes, if you own the AI-infra sleeve, Penguin is not a new position it is more of the one you already have.

Take the raised guide at face value: $1.67B in FY26 sales, $2.60 of non-GAAP EPS. Our FY27 model sits above Street at $1.98B and $3.05 because the guide implies roughly $505M of FQ4 net sales, a $2.0B annualized exit rate, and Street’s FY27 therefore requires a sequential decline from that exit. We do not model that.

But we also do not extrapolate the Q3 growth rate, because of mix. So:

• 25x FY27E MMR EPS → $76. Roughly spot.

• 35x → $107.

• Bear: DRAM rolls, FY27 non-GAAP EPS falls to ~$2.00 → $50 at 25x.

At $78.26, the market is already paying full mid-cycle value for our above Street numbers. There is upside if the multiple expands into a re-rating. There is no margin of safety if it does not.

Note what the bear case is and is not. It is a valuation case, not a solvency case. Penguin at $50 is a company with $440 million of cash and a working business. It is simply a stock that gave back a third of a 280% move.

Written before the fact, as always:

1. DRAM price rollover. Integrated Memory is 57% of sales and its 111% growth is substantially price-driven. A downcycle deflates the revenue line and marks down $498.3M of inventory at the same time. Same event, twice.

2. Gross margin breaks below the 26.5% FY26 guide — evidence the memory mix is dilutive, and operating leverage no longer offsets it.

3. Cash conversion fails to normalize. Another quarter of receivables outgrowing sales. This is a big red flag.

4. Advanced Computing stays flat. The AI-infrastructure thesis and the NVIDIA designation requires that segment to inflect. +3.8% does not.

5. Technical mirror: failure to hold the pre-earnings close of $62.71 would say the +20% gap was a squeeze against a 20.7% short float, not a re-rating.

The calendar: FQ4 and FY26 results around October 6. The raised guide implies roughly $505M of Q4 net sales up 50% year over year and about $0.90 of non-GAAP EPS. That is a high bar, and the company set it for itself. Between now and then, the single most important input is DRAM contract pricing.

In our framework, Penguin Solutions is a Grade C+ setup (Now Extended) on a Grade B− business and the split is entirely about price, not quality.

The quarter was excellent. Record sales, a fourth straight beat, a raised guide, operating margin from 3.0% to 10.6% while operating expenses actually fell, and the strongest eight quarter momentum base in the complex. That is real.

Three things temper it. The growth is memory, not AI servers, and it arrives at a thinning gross margin. Cash is not following earnings.

Watch DRAM pricing. Watch whether Advanced Computing inflects behind the NVIDIA designation. Watch whether receivables normalize.

The fundamental base is real. We are watching to see if the fundamental trends continue.

Mythic Market Research · for informational and educational purposes only · not investment advice or a solicitation · do your own research.