AI Startup Investors in 2026: Who Is Raising New AI Funds and How to Pitch Them

AI startup investors are filing new vehicles at a steady pace. We searched every venture vehicle filed between October 1 and October 26, 2026 for AI in the sector tag or the fund name. That returned 20 vehicles reporting about $178 million, and a 21st filed on October 26 by SemiAnalysis Capital that reported $500 million on its own. This guide ranks the ones that matter, adds the established AI firms founders usually look for, and says what we could and could not confirm.

How to Read the List

A filing shows that a vehicle exists and how much it reports as sold. It is not a final close or a target. Several vehicles below are named for a single theme, such as an AI code or AI automation series, so they look like deal-by-deal vehicles and not blind pools. Amounts are as filed, and we do not add related vehicles together.

• SemiAnalysis Capital Fund I, LP: $500.0 million, filed Oct 26
• Tribe Capital AI Fund X, L.P.: $45.0 million, filed Oct 7
• Tribe Capital AI Fund XII, L.P.: $41.0 million, filed Oct 13
• Rizvi AI IIA LLC: $30.9 million, filed Oct 19
• 8VC AI Fund XI, LLC: $13.5 million, filed Oct 21
• Tribe Capital AI Fund XIII, L.P.: $9.0 million, filed Oct 13
• Rizvi AI II LLC: $8.8 million, filed Oct 19

What Each One Is

SemiAnalysis Capital Fund I is run by Dylan Patel, founder of the semiconductor research firm SemiAnalysis. Secondary reports describe a $400 million target for a fund focused on semiconductors and AI infrastructure, and they note that Patel has stakes in about 20 startups. The filing reports $500 million, so we treat the amount as a filing figure and could not find a primary announcement that confirms the size or strategy.

Tribe Capital is a San Francisco venture firm. Wikipedia lists its assets under management at $1.9 billion and Crunchbase at $2.4 billion, so the number varies by source. A filing for Tribe Capital AI Fund IV reported $150 million sold in August 2025, and the three new AI funds follow it. We could not confirm what separates Funds X, XII and XIII from each other.

8VC, founded by Joe Lonsdale, filed 8VC AI Fund XI at $13.5 million. We covered the firm earlier this month, and the filing has no public description.

Rizvi AI IIA and Rizvi AI II are filed under Suhail Rizvi. We found no public source that describes the vehicles, so the amounts should be read as filing figures only. Sound Ventures also filed an AI Inference Fund with no amount reported yet. Its earlier AI fund closed at nearly $240 million in 2023, according to Business Wire.

Established AI Investors to Know

Founders also look for firms with a track record in AI. Here is what we could confirm.

Air Street Capital closed its third fund at about $232 million in March 2026, according to several outlets. It is a solo general partner firm that leads pre-seed and seed rounds, with planned initial checks between $500,000 and $15 million. Sound Ventures, led by Effie Epstein, Ashton Kutcher and Guy Oseary, closed an AI fund of nearly $240 million in 2023, and its first three investments were Anthropic, Stability AI and OpenAI. 8VC is a firm we profiled earlier this month. Check each firm's own site for newer funds.

What AI Startup Investors Look For

AI investors ask what you own that a larger lab cannot copy. They look for proprietary data, distribution, a clear cost of running the models and revenue that grows without a matching rise in compute spending. Expect questions about which model provider you depend on and what happens if its prices change.

What the Filings Cannot Tell You

Filings do not show whether a vehicle is a main fund, a side vehicle or a single-company series, and they do not show check size, stage or the sectors inside AI. Several vehicles on this list have no public description at all, so a founder should treat each as a reason to ask a question, not as a confirmed source of capital. Ask each firm which vehicle would invest in you, what stage it targets and whether the fund is still raising.

How to Approach Them

Match your stage to the investor. Infrastructure and chip founders belong with firms such as SemiAnalysis Capital if its strategy is confirmed, while application founders should start with seed-focused firms. Ask for a warm introduction, then send a short note covering what you build, your edge, your traction and how much you are raising. Prepare your data room, model your dilution and know your cap table. Ask whether the firm expects to be the lead investor in your seed round.

What to Watch Next

Watch whether SemiAnalysis announces its fund and whether Tribe explains the three AI vehicles. We refresh this list monthly.

Browse the investor directory for more active funds, or explore active capital on AngelLinx @ angellinx.ai/register.

AngelLinx Intelligence | angellinx.ai