# Horizon Kinetics LLC: portfolio, investments and team > Horizon Kinetics LLC is a growth equity based in United States. 1 investment on record, latest Apr 2025. Portfolio, stages, co-investors and team. Source: https://millionrounds.com/fund/horizon-kinetics-llc (Millionrounds; every figure on the page links to its filing or article) United States · [Investor](https://millionrounds.com/investors) # Horizon Kinetics LLC Last cheque observed Apr 2025. Silence since then is not evidence of inactivity: our sources miss unannounced rounds. Email Growth equity Quiet Series E Follow Horizon Kinetics LLC and see its new cheques in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Ffund%2Fhorizon-kinetics-llc) Cheques on record **0%** of best year **0** **cheques in 12 months**, 1 on record Since the last cheque **583** days **00** hrs **00** min **00** sec Median round **$150M** Rounds led **0 of 1** Pitch Horizon Kinetics LLC ## Horizon Kinetics LLC highlights - 01 1 rounds on record - 02 Mostly Series E: 100% of its rounds ## What they do - **Type:** Growth equity (from a list, unverified) - **Cheque size:** Not stated - **Based in:** NEW YORK, United States - **Cold pitches:** Not stated ## The record Every round we can evidence, newest first **1 appearances** - **2025** 1 round - **Apr** **[SandboxAQ](https://millionrounds.com/company/sandboxaq)** Series E · US · AlleyWatch **$150M** With 5 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. ## What the register says From the firm's own filings with the SEC, which it must file accurately by law **$9.6B** assets it manages Oct 2026 **Registered** investment adviser full reporting to the SEC - **Legal name:** Horizon Kinetics Asset Management LLC - **SEC number:** CRD 106096 ## The cheque Series E Median round joined **$150M** the round, not its cheque Led 0 of 1 rounds **0%** - **Sole investor:** Never alone - **Last cheque:** Apr 2025 Rounds by stage said on their site - Series E *1* Cheques by month Led Joined Dec 2023 Nov 2026 **Pitching Horizon Kinetics LLC?** 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 *→* ## Quick answers about Horizon Kinetics LLC ### What does Horizon Kinetics LLC invest in? Horizon Kinetics LLC invests most often at Series E (100% of the rounds on record). ### How active is Horizon Kinetics LLC? 1 investments on record, 0 of them in the last 12 months. The most recent was in Apr 2025. ### What has Horizon Kinetics LLC invested in recently? Its most recent investments on record: SandboxAQ (Series E, Apr 2025). ### How big are Horizon Kinetics LLC's cheques? The median round it joins is $150M. ### Is Horizon Kinetics LLC investing now? No investments in the last 12 months; the latest was in Apr 2025. ### What kind of investor is Horizon Kinetics LLC? Horizon Kinetics LLC is a growth equity firm based in NEW YORK, United States. ### How much does Horizon Kinetics LLC manage? About $9.6B, as regulatory assets under management (Oct 2026). ### When was Horizon Kinetics LLC founded? Horizon Kinetics LLC was founded in 1994. ## 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=horizon-kinetics-llc) · [Is this your firm? Claim it](https://millionrounds.com/claim?org=horizon-kinetics-llc)