# Silicon Catalyst: portfolio, investments and team > Silicon Catalyst is an accelerator based in United States. 2 investments on record, 2 in the last 12 months, latest Dec 2025. Source: https://millionrounds.com/fund/silicon-catalyst (Millionrounds; every figure on the page links to its filing or article) United States · [Investor](https://millionrounds.com/investors) # Silicon Catalyst Last cheque observed Dec 2025; 2 cheques on record. Email Deploying now Accelerator Seed Series A Series B Advanced Materials Wearables New Materials Follow Silicon Catalyst and see its new cheques in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Ffund%2Fsilicon-catalyst) Deploying now **100%** of best year **2** **cheques in 12 months**, 2 on record Since the last cheque **333** days **00** hrs **00** min **00** sec Median round **$26M** Rounds led **0 of 2** Pitch Silicon Catalyst ## Silicon Catalyst highlights - 01 2 cheques in the last 12 months - 02 Mostly Seed and Series A: 100% of its rounds ## What they do > Silicon Catalyst is the only accelerator focused on the Global Semiconductor Industry including Chips, Chiplets, Materials, IP and Silicon fabrication-based Photonics, MEMS, Sensors, Life Science and Quantum. From their own website - **Type:** Accelerator (from a list, unverified) - **Cheque size:** Not stated - **Stages:** Seed Series A Series B - **Sectors:** Advanced Materials Wearables New Materials - **Based in:** Santa Clara, United States - **Cold pitches:** Accepted ## The record Every round we can evidence, newest first **2 appearances** - **2025** 2 rounds - **Dec** **[Niobium](https://millionrounds.com/company/niobium)** Seed · US · TechStartups **$23M** With 10 others - **Dec** **[Lemurian Labs](https://millionrounds.com/company/lemurian-labs)** Series A · US · Firms' own news pages **$28M** With 15 others An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor. ## The team We hold **10** people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them. ## What they claim to have backed From their own portfolio page (on their website) **4** of 57 we have independently watched raise [Company](https://millionrounds.com/company/neurophos)[Company](https://millionrounds.com/company/dover-microsystems)[Company](https://millionrounds.com/company/ayar-labs)[Company](https://millionrounds.com/company/rune) About Us Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Company Espretech Owlai Sparkmicro Weaker than a round we watched, stronger than a list somebody sold us. A firm is far less willing to put a company on its own site that it never funded. ## The cheque Seed Series A Series B Median round joined **$26M** the round, not its cheque Led 0 of 2 rounds **0%** - **Sole investor:** Never alone - **Last cheque:** Dec 2025 Rounds by stage said on their site - Seed said *1* - Series A said *1* - Series B said *-* Cheques by month Led Joined Dec 2023 Nov 2026 Often in the room with - [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) 2 **Pitching Silicon Catalyst?** Put them on your fundraising board with this record on the card, and follow them to hear when they write a new cheque. Add to your CRM *→* ## Who they invest alongside The investors most often in the same rounds as Silicon Catalyst. A count of rooms they were both in, not a relationship either has claimed. [**Alumni Ventures** VC firm **2** rounds together](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) ## Recently backed The latest companies Silicon Catalyst put money into. [**Niobium** $23M · Dec 2025](https://millionrounds.com/company/niobium)[**Lemurian Labs** $28M · Dec 2025](https://millionrounds.com/company/lemurian-labs) ## Quick answers about Silicon Catalyst ### What does Silicon Catalyst invest in? Silicon Catalyst invests most often at Seed and Series A (100% of the rounds on record), in sectors such as Advanced Materials, Wearables and New Materials. ### How active is Silicon Catalyst? 2 investments on record, 2 of them in the last 12 months. The most recent was in Dec 2025. ### What has Silicon Catalyst invested in recently? Its most recent investments on record: Niobium (Seed, Dec 2025) and Lemurian Labs (Series A, Dec 2025). ### How big are Silicon Catalyst's cheques? The median round it joins is $26M. ### Is Silicon Catalyst investing now? Yes: it is actively investing, with 2 investments in the last 12 months. ### Who does Silicon Catalyst invest alongside? Most often Alumni Ventures (2 rounds together). ### What kind of investor is Silicon Catalyst? Silicon Catalyst is an accelerator based in Santa Clara, United States. ### Does Silicon Catalyst take cold pitches? Yes: its own website says it reads unsolicited pitches. ## Raising now? Find the investors who back rounds like yours, and keep every conversation on one fundraising board. Find similar investorsOpen your CRM Built from the rounds we watched, its filings and its own website, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections?slug=silicon-catalyst) · [Is this your firm? Claim it](https://millionrounds.com/claim?org=silicon-catalyst)