Private Equity, VC & Investor
FirstMark vs Rubicon VC
Structured technology and market comparison · 2026
Direct Feature Comparison
FirstMark · vs · Rubicon VCEarly-stage venture capital firm investing from New York City.
Early-stage venture capital for software and internet companies.
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Comparison Analysis
What is the main difference between FirstMark and Rubicon VC?
When comparing FirstMark and Rubicon VC, both platforms operate within the Private Equity, VC & Investor ecosystem. FirstMark is positioned as Early-stage venture capital firm investing from New York City, whereas Rubicon VC focuses on Early-stage venture capital for software and internet companies. Decision-makers evaluate both solutions when orchestrating their commercial monetization and technology stack.
What are the top alternatives to FirstMark and Rubicon VC?
When evaluating FirstMark and Rubicon VC, enterprise buyers also consider other platforms in Private Equity, VC & Investor. You can discover the full competitive landscape and evaluate other alternatives by viewing their respective footprint profiles on Polaris7.
How do the corporate scale, structure, and headquarters of FirstMark and Rubicon VC compare?
FirstMark is headquartered in US (founded in 2008) with 10–49 employees. Rubicon VC is based in US (founded in 2013) with 10–49 employees. Complete ownership, subsidiary trees, and corporate affiliations are documented across Polaris7.
Market Signals
Recent Market Signals & Activity: FirstMark vs Rubicon VC
Documented market movements, strategic partnerships, product releases, and regulatory developments mapped across Polaris7.
FirstMark
Recent Signals
- ·Tech.eu (European Tech & Deals)Funding
Daytona Raises $60M Series B at $1B Valuation for AI Agent Cloud
Daytona, a provider of cloud infrastructure for AI agents, has secured $60 million in a Series B funding round, valuing the company at $1 billion and bringing total funding to $91 million. The round was led by FirstMark, with participation from several prominent tech executives and institutional investors. Daytona's platform offers secure, isolated compute environments for AI agents to execute code and perform tasks, addressing the infrastructure demands of autonomous AI systems. The company reports a 25-fold increase in revenue run rate between January and September, and counts Anthropic, OpenAI, NVIDIA, Cursor, and others among its customers. The new capital will be used to expand its agent cloud platform, scale computing infrastructure, and grow its international team.
- Daytona raised $60 million in Series B funding at a $1 billion valuation, bringing total funding to $91 million.
- The round was led by FirstMark, with participation from Patrick Collison, Adam D'Angelo, Brendan Foody, Tobi Lütke, Olivier Pomel, Aravind Srinivas, and Eric Yuan.
- Daytona reported a 25-fold increase in its revenue run rate between January and September.
- ·EU-Startups (European Venture)Funding
Neonomics secures €3.56M after cutting costs nearly half
Norwegian open banking provider Neonomics has raised €3.55 million ($4 million) from existing shareholders. The company cut operating costs by nearly 50% under the leadership of CEO Alfonso Muñoz, who joined as CFO in 2025 and became interim CEO in February 2026. Neonomics provides a full-stack open finance platform including payment initiation, account data, and AI-ready financial intelligence. Its PSD2 network connects to over 3,500 banks in Europe, reaching more than 20 million Nordic consumers. The company has seen over 60% growth in new customer acquisition this year. The new funds will support expansion into consumer-facing financial services, personal finance, accounting, ERP, and data-driven products. Existing investors include Newmark Capital, Bankify, FirstMark Capital, and TTU Private Equity.
- Neonomics raised €3.55 million ($4 million) from existing shareholders.
- Operating costs were reduced by almost 50%.
- New customer acquisition grew over 60% since start of year.
Rubicon VC
Recent Signals
- ·SEC APIfinancials
6-K Financial Filing Analysis for Rubicon VC (2026-10-15)
Rubico Inc. has executed an amendment to its July 27, 2026 related-party share purchase agreement with TOP Ships Inc. regarding the acquisition of Roman Shark V Inc., which holds a shipbuilding contract for a 47,499 dwt MR chemical/product oil tanker. Under the updated terms agreed on September 30, 2026, the maturity for the remaining $3.7 million balance of the total $6.5 million purchase price—$2.8 million having already been paid in cash—was deferred from September 30, 2026, to October 31, 2026. Additionally, Rubico secured the option to settle this outstanding obligation either in cash or via newly issued Series G Convertible Preferred Shares.
- Rubico amended its share purchase agreement with related party TOP Ships Inc., extending the maturity date of the outstanding $3.7 million balance from September 30, 2026, to October 31, 2026.
- The total acquisition price for Roman Shark V Inc. is $6.5 million, with $2.8 million previously settled in cash.
- The amendment grants Rubico the election to satisfy the remaining $3.7 million in cash or through newly issued Series G Convertible Preferred Shares.
- ·SEC APIfinancials
6-K Financial Filing Analysis for Rubicon VC (2026-10-19)
Rubico Inc. entered into a Securities Purchase Agreement on October 16, 2026, with an institutional investor to issue Senior Convertible Notes and warrants across two tranches. On October 19, 2026, the company closed the initial tranche, receiving gross proceeds of $8.50 million in exchange for $9,444,444 in principal amount of Senior Convertible Notes, accompanying 5-year warrants to purchase $9,444,444 of common shares, and commitment shares or pre-funded warrants equal to 5% of the principal amount. A potential second tranche could raise an additional $5,555,556 in notes subject to specific closing conditions, including a minimum share price of $1.00 and trading volume thresholds. The 12-month convertible notes carry an 8.0% annual interest rate if paid in cash (10.0% if paid in shares) and feature a fixed conversion price of $0.3646 or an alternate floating conversion price at an 85% discount to VWAP with a $0.10 floor. Net proceeds will fund working capital. Maxim Group LLC served as the exclusive placement agent for a 6.0% cash fee.
- Rubico Inc. closed the initial tranche of a financing agreement on October 19, 2026, raising $8,500,000 against $9,444,444 principal amount of Senior Convertible Notes, 5-year warrants, and a 5% commitment share fee.
- The Senior Convertible Notes mature in 12 months (extendable to 18 months with a 5% principal step-up), pay 8.0% cash interest (10.0% in shares), and convert at a fixed price of $0.3646 or an alternate conversion price of 85.0% of the lowest 10-day VWAP (subject to a $0.10 floor).
- A potential second closing of $5,555,556 in notes and warrants is contingent on the common shares trading at or above $1.00 with average daily trading volume exceeding $200,000, among other conditions.
- ·SEC APIfinancials
6-K Financial Filing Analysis for Rubicon VC (2026-10-21)
Rubico Inc. reported updates regarding the closing of its senior convertible notes, warrants, and common share financing which closed on October 19, 2026. In connection with the transaction, the company issued 1,295,179 common shares, leaving zero pre-funded warrants outstanding. Accounting for the convertible note financing, subsequent conversion notices totaling $0.4 million, and recent sales under its At Market Issuance Sales Agreement (ATM) with B. Riley Securities, Inc. totaling $3.1 million since inception, Rubico has a total of 12,587,957 common shares issued and outstanding as of October 20, 2026.
- Issued 1,295,179 common shares in connection with the October 19, 2026 closing of its convertible note and warrant financing.
- Total common shares issued and outstanding reached 12,587,957 as of October 20, 2026.
- Reported cumulative sales of $3.1 million under its ATM program with B. Riley Securities and $0.4 million in conversions under the senior convertible notes.
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