TLDR
- Shares of Sivers Semiconductors rocketed more than 50% on Tuesday, reaching an unprecedented high above SEK 92 and eclipsing the prior record of SEK 90.50
- The rally was triggered by news of a strategic alliance with American semiconductor manufacturer GlobalFoundries (GFS)
- Sivers’ advanced laser array technology will be incorporated into GlobalFoundries’ silicon photonics solutions for AI-driven data center infrastructure
- Year-to-date gains now exceed 2,100%, pushing the company’s valuation to approximately SEK 29 billion
- The partnership focuses on co-packaged and pluggable optics technologies within a sector expected to hit $25 billion in value by 2030
Shares of Sivers Semiconductors reached unprecedented levels on Tuesday following the Swedish technology firm’s announcement of a collaborative agreement with U.S. semiconductor giant GlobalFoundries to develop advanced optical infrastructure for artificial intelligence data centers.

The equity surged beyond 50% to settle just north of SEK 92, breaking through its former peak of SEK 90.50 established on May 26. Trading volume made it the Stockholm Stock Exchange’s most active security on Tuesday, with transaction value exceeding SEK 1.3 billion.
This spike extends an extraordinary performance trajectory. Year-to-date returns now stand at more than 2,100% since the beginning of January.
Following the session, the company’s market capitalization reached approximately SEK 29 billion.
The agreement calls for Sivers‘ proprietary laser array products to be integrated into reference architectures utilizing GlobalFoundries’ silicon photonics technology. Neither party has revealed monetary details of the arrangement.
The underlying technology addresses optical connectivity requirements within data centers — the high-throughput, energy-efficient backbone that artificial intelligence applications increasingly require.
What the Partnership Covers
Sivers’ laser components will become available through GlobalFoundries‘ SCALE™ infrastructure — a co-packaged optics framework that integrates photonic elements, wavelength-division multiplexing capabilities, and sophisticated packaging techniques to deliver enhanced bandwidth with superior power performance.
The alliance encompasses co-packaged optics (CPO), linear pluggable optics (LPO), and additional data center interconnection frameworks.
Both organizations are pursuing opportunities in what they project will become a $25 billion pluggable optics marketplace by decade’s end.
“Our collaboration with GlobalFoundries positions both companies at the leading edge of silicon photonics innovation,” said Raymond Biagan, Chief Revenue Officer at Sivers.
Vikas Gupta, Senior Fellow at GlobalFoundries, said pairing Sivers’ laser arrays with GF’s platforms gives customers “advanced, scalable optical engine solutions for high-bandwidth co-packaged optics.”
What Each Company Brings
Headquartered in Kista, Sweden, Sivers Semiconductors specializes in photonics and wireless communications technology. The company’s laser array solutions serve as critical elements in optical data transport systems.
GlobalFoundries maintains fabrication operations throughout North America, Europe, and Asia. The manufacturer has already established a robust silicon photonics portfolio catering to data center clients.
GlobalFoundries’ SCALE™ CPO technology leverages both coarse wavelength-division multiplexing (CWDM) and dense wavelength-division multiplexing (DWDM) to transmit larger data volumes through reduced physical footprints while minimizing power consumption.
Neither company has disclosed manufacturing schedules or volume commitments at this time.


