Nauta vs Rubicon VC

Nauta closes €60M first close for sixth fund

Nauta, a London-based pan-European VC, announced the first close of its sixth fund at €60 million. The British Business Bank anchored the fund with a €30 million commitment, marking its fourth consecutive participation in a Nauta fund. Other LPs include SETT, Merifin Capital, and Institut Català de Finances. The fund targets a total size between €150 million and €200 million, with a final close expected in H2 2027. Nauta invests in B2B software and DeepTech startups from pre-Seed to Series A, with a focus on high-performance computing, AI infrastructure, cybersecurity, industrial automation, digital health, and energy frontier technology. The firm has backed over 200 founders across 100 companies and generated nearly €3 billion in exit value.

• Nauta announced the first close of its sixth fund at €60 million.
• British Business Bank committed €30 million as anchor investor.
• Other LPs include SETT, Merifin Capital, and Institut Català de Finances.

Universal Quantum raises over $100M Series A to scale quantum computing globally

Universal Quantum, a Nauta Labs portfolio company, has raised over $100M in a Series A funding round to scale quantum computing globally.

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.

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.

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.