Sivers Semiconductors: Record Highs Meet Regulatory Scrutiny as AI Photonics Deal Fuels Frenzy

The rally that pushed Sivers Semiconductors to an all-time closing high of 97.45 Swedish kronor on June 2 — a 60.2% single-day surge — is the kind of move that typically makes for a straightforward bullish story. But the Swedish chipmaker’s reality is anything but simple. Behind the euphoria over its partnership with GlobalFoundries lies a tangle of short-seller allegations, a leak investigation by Swedish authorities, and financial results that show a company still burning cash.

The deal that ignited the frenzy is a strategic play for the fast-growing silicon photonics market. Sivers will contribute its laser arrays to reference designs built on GlobalFoundries’ silicon photonics platform, targeting applications such as co-packaged optics and linear pluggable optics for hyperscale data centers. The two companies are betting on a market for pluggable optics modules that could reach $25 billion by 2030, driven by the insatiable bandwidth demands of AI workloads. “Hyperscale data centers need photonics technologies with higher bandwidth, better energy efficiency, and scalable optical connectivity,” said Raymond Biagan, Sivers’ chief revenue officer.

Yet for all the strategic logic, the announcement was conspicuously light on financial detail. There were no binding commitments on production volumes, no revenue timelines, no exclusivity clauses, and no guaranteed customer orders. In essence, the news was about access to a platform — not a contract. That hasn't stopped the market from treating it as a transformational event, but the absence of hard numbers leaves the rally resting on hope as much as fact.

The optimism contrasts sharply with the events that preceded it by just 24 hours. On June 1, research firm Ningi Research published a scathing report calling Sivers a “retail-driven pump,” alleging questionable revenue recognition and hollow customer relationships. Shares on the OTC market dropped 9.2% that day. Immediately afterward, the Rosen Law Firm announced it was investigating potential securities claims, suggesting Sivers may have provided misleading information to investors. The company did not address the short-seller report in its subsequent GlobalFoundries announcement.

Should investors sell immediately? Or is it worth buying Sivers Semiconductors?

Adding another layer of tension, Swedish authorities are examining whether an information leak occurred roughly 48 hours before the GlobalFoundries announcement, when the stock already began to climb. Prosecutor Jonas Myrdal described the trading pattern as “striking,” and has asked Nasdaq to review the matter under the EU Market Abuse Regulation. The source of the potential leak remains unknown.

Underpinning the volatility is a company whose fundamentals tell a sobering story. First-quarter net sales fell 22% year-over-year to 61.9 million Swedish kronor. The adjusted EBITDA came in at minus 13.8 million kronor, while operating cash flow was negative 49.2 million kronor. Management blamed a US government shutdown in late 2025, delayed defense budget approvals, and unfavorable currency effects. On the positive side, the sales pipeline has grown 77% since year-end to $799 million, offering a potential path to monetization — but only if technical integrations turn into binding orders.

The battle between bulls and bears is playing out in the stock’s lending market. According to S&P Global Market Intelligence, short interest had climbed to 17% of free float by late May, up from just 1.6% at the start of March. That heavy short positioning helped fuel the sharp rally when positive news hit, as short sellers scrambled to cover. On the other side of the trade, index fund managers are adding support: Sivers entered the OMX Stockholm Benchmark Index on June 1, and was added to the MSCI Sweden Small-Cap Index in late May, forcing passive funds to accumulate shares.

Sivers Semiconductors at a turning point? This analysis reveals what investors need to know now.

Against this backdrop of competing forces, the company’s annual general meeting on June 15 is shaping up as a crucial test. Shareholders will vote on two new board candidates and a stock option program covering 7 million shares — equivalent to roughly 2% dilution. The vote will signal whether institutional investors maintain confidence despite the turmoil. Meanwhile, the only analyst covering Sivers still rates it at a price target of 6.20 kronor, a fraction of its current trading level.

Sivers now sits at a crossroads. Its photonics technology and GlobalFoundries partnership give it a genuine foothold in one of the fastest-growing segments of AI infrastructure. But the lack of contractual commitments, the regulatory probes, and the weakening operational metrics leave the stock exposed. Whether the next chapter is a sustained climb or a sharp correction will depend on something the market does not yet have: a sign that the hype can be converted into revenue.

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