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Retym
Addressing the needs of next generation data centers through advancement of optical networking and DSP technology
About Retym
Retym is a semiconductor company focused on developing advanced programmable coherent Digital Signal Processors (DSPs) designed to meet the high-performance needs of AI infrastructure and cloud connectivity. Headquartered in Cupertino, California, with offices in Tel Aviv, Austin, and Yerevan, Retym builds technology that supports efficient and scalable data movement within and between data centers.
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As AI workloads grow exponentially, the demand for faster, low-latency data transmission is critical. Retym’s DSPs are engineered specifically for optical communication networks, enabling high-speed data transfer over distances ranging from 10 to 120 kilometers, with optimal performance between 30 and 40 kilometers. This makes the technology ideal for both intra-data center and inter-data center connectivity.
Retym’s DSPs incorporate advanced analog design, error correction, and equalization algorithms that ensure reliable signal transmission while minimizing energy consumption and latency. These features are particularly important in environments where data-intensive applications like machine learning, large-scale analytics, and cloud-based AI services require seamless, high-bandwidth performance.
In addition to performance, Retym’s programmable architecture offers flexibility, allowing data center operators to adapt to evolving network demands without replacing hardware. This enhances both the scalability and longevity of network infrastructure.
At a glance
- Status
- Operational
- Founded
- 2021
- Headquarters
- Cupertino, United States
- Employees
- 78
- Open positions
- 10
- Dealroom signal
- 89.8/100
- Industry
- Semiconductors
- Sector
- Semiconductors, Core AI, Semiconductor Designers and Manufacturers, Photonics Tech, Data Centers, AI Computing Infrastructure, DT and LS, science-based
- Technology
- Artificial Intelligence, Hardware, Deep Tech
- Business model
- Manufacturing
- Client focus
- b2b
Knowledge graph
More headlines
Funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| SERIES DOther financing | Mar 2025 | $75M | $300M | Spark Capital · Kleiner Perkins · Mayfield · Fidelity Investments | ↗ |
| LATE VCOther financing | May 2023 | $40M | $162M | Kleiner Perkins · Mayfield · Alif Semiconductor | ↗ |
Growth signals
Latest recorded traffic for Retym is 4.6K monthly website visits, up 58.6% over the last three months. Retym's team grew 6.8% over the past year.
Open positions
Similar companies
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Investments and acquisitions
Recent portfolio relationships for companies that also act as investors or acquirers.
Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Series B and later7 investors entered at this stage
Kleiner Perkins
Mayfield
Alif Semiconductor
Spark Capital
Fidelity Investments
Mamoon Hamid
Navin Chaddha
Source: Dealroom Talent Intelligence.
Global footprint
team presence
Market sentiment
An AI-synthesised read of the highest-engagement posts about Retym on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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