POET Technologies: A Photonics Play Caught Between a Courtroom and a Factory Ramp-Up

The company at the heart of a silicon-photonics story that has thrilled and terrified investors in equal measure is now facing two make-or-break moments within a single week. POET Technologies has lined up a shareholder vote on 26 June to relocate its corporate home to the United States, and three days later a deadline for lead plaintiffs in a class-action lawsuit. The convergence of these events sent the stock sliding more than 21% in a single session last Friday, closing at €10.48.

That sharp drop erased some of the spectacular gains the shares have delivered over the past year — a 194% advance and a 71% year-to-date rise — but it also crystallised the dual nature of the investment case. On one side, POET is scaling up production of optical engines for the artificial-intelligence boom, backed by a $400 million capital injection and a potential $500 million supply deal with Lumilens. On the other, a pair of legal deadlines and a damaging customer cancellation have left the stock trading 44% below the 52-week high of €18.84 touched in mid-May.

The legal storm centres on POET’s classification as a Passive Foreign Investment Company (PFIC) for the 2025 fiscal year. That status carries punitive tax treatment for US shareholders and has deterred institutional investors. The company hopes to shed the label by moving its domicile to Delaware — hence the shareholder vote on 26 June. But that same PFIC issue is at the heart of a class action filed by three law firms — Robbins LLP, Rosen Law Firm, Faruqi & Faruqi, and Levi & Korsinsky — alleging that POET misled investors about the designation and that a manager disclosed confidential business information in a public interview. Investors who bought POET shares between 1 April and 27 April 2026 have until 29 June to apply to serve as lead plaintiff.

Should investors sell immediately? Or is it worth buying POET Technologies?

The lawsuit is not the only legal headache. On 23 April, chipmaker Marvell Semiconductor cancelled all purchase orders from Celestial AI, a POET customer, citing confidentiality breaches. The news triggered a 45% single-day crash in POET’s stock four days later. That collapse is the reason the class-action window starts on 1 April — the day Marvell’s concerns first surfaced in the market.

Despite the turmoil, POET has been assembling the resources needed to shift from development into volume production. In mid-May it completed a private placement, issuing roughly 19 million new shares at $21.00 each and raising $400 million in gross proceeds. The cash is earmarked for a tenfold increase in wafer fabrication capacity, enough to deliver more than 30,000 optical engines this calendar year. The company also signed a supply and development agreement with Lumilens, receiving an initial $50 million purchase order for 800G and 1.6T optical engines and co-packaged optics, with the potential for that figure to exceed $500 million over five years. Engineering samples are expected by the end of 2026.

The financials remain those of a company still in its infancy. First-quarter 2026 revenue climbed to $503,000 from $167,000 a year earlier, but the net loss widened to $12.34 million and the accumulated deficit hit $291 million. Management also reported a material weakness in internal controls. To oversee the production ramp, POET has appointed Dr. Sandeep Kumar as chief operating officer, a semiconductor industry veteran with experience in scaling manufacturing.

Investors now face a week of binary outcomes. The 26 June vote could remove the PFIC overhang and open the door to US institutional buyers. The 29 June deadline will determine whether the class action consolidates around a single lead plaintiff or splinters into multiple proceedings. Either way, the stock’s annualised 30-day volatility of 260% — with a relative strength index of 48 — suggests the market is bracing for more swings. The longer-term question is whether POET can convert its Lumilens orders and $400 million war chest into sustained revenue growth once the legal noise fades.

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POET Technologies Stock: New Analysis - 6 June

Fresh POET Technologies information released. What's the impact for investors? Our latest independent report examines recent figures and market trends.

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