INDEPENDENT ASSESSMENT
Mare Liberum Critical Technologies Fund I, LP is a verifiable 2025 Delaware pooled investment fund whose September 15, 2026 SEC Form D reports an indefinite offering with $25,805,500 sold to 17 investors after a first sale on August 31, 2026. The issuer relies on Rule 506(c) and Section 3(c)(1), offers pooled investment fund interests, intends the offering to last more than one year, shows a technical $0 minimum investment and reports $0 estimated sales commissions and finder's fees. Mare Liberum Critical Technologies Fund I GP, LLC is the General Partner, Mare Liberum Capital Partners, LLC is the management company, and Erik Bethel signed as Manager of the General Partner. BHA Select Network, LLC, CRD 168883, appears in the sales-compensation section for solicitation in Florida, Massachusetts and New York even though the filing estimates commissions at $0. The most important research point is that this $25.806 million LP is only one legal layer inside a rapidly expanding Mare Liberum critical-technology platform: separate 2026 SEC records show a $150 million Mare Liberum Critical Technologies Fund LLC and a distinct Advanced Manufacturing Fund, meaning investors should not combine similarly named vehicles or assume they share identical investors, assets or economics.
Mare Liberum's actual investment thesis is unusually specific. The firm says it invests where critical technology meets the maritime domain, built around three themes: emerging ocean platforms, national-security modernization and global-trade realignment. Its current public portfolio includes Saronic Technologies in autonomous surface vessels, REGENT Craft in electric seagliders, Epirus in high-power microwave / electronic warfare, Windward in AI-driven maritime-domain awareness and a stealth sovereign-AI infrastructure initiative. That portfolio is not simply "defense tech." Mare Liberum's thesis treats oceans, ports, undersea cables, shipping lanes, autonomous vessels, offshore energy and maritime data as critical infrastructure that sits between national security and commercial trade. The team is also unusually aligned with that thesis: Erik Bethel previously worked across J.P. Morgan, Morgan Stanley, Franklin Templeton, the World Bank and America's Frontier Fund; retired Rear Admiral Lorin Selby was the U.S. Navy's Chief of Naval Research and previously oversaw a roughly $4 billion advanced-technology portfolio; Marc Baliotti came from AE Industrial Partners and GSO Capital Partners; and Vrushank Vora previously invested in microelectronics and AI at America's Frontier Fund.
THE UNIQUE STORY: THE SEC FUND FAMILY EXPANDED JUST AS MARE LIBERUM MOVED FROM MARITIME VC INTO GOVERNMENT-LEVERAGED CRITICAL TECHNOLOGY
The strongest 2026 story is the interaction between Mare Liberum's private fundraising and U.S. strategic-capital policy. In March 2026, Fortune reported that the Department of Defense, through the Office of Strategic Capital and the SBA's critical-technology investment program, had committed up to $150 million of long-dated government-backed financing to a Mare Liberum fund. Erik Bethel told Fortune that the approval process took roughly ten months and involved extensive diligence; the reported structure required Mare Liberum to raise approximately $120 million of private LP capital before unlocking the government financing. That reporting describes Mare Liberum's second investment fund and should not automatically be equated with this exact $25.806 million Fund I LP. Separately, however, a 2026 SEC filing for Mare Liberum Critical Technologies Fund LLC shows a $150 million offering with $60.35 million sold to 10 investors and a $500,000 minimum as of July 21. The coexistence of that $150 million LLC, this later $25.806 million LP and an Advanced Manufacturing Fund is evidence that the manager is building several legally distinct capital pools around critical technologies, not merely operating one flagship vehicle under interchangeable names.
The portfolio activity reinforces that transition from thesis to capital deployment. In August 2026, REGENT announced a $240 million Series B financing, split between equity and debt, co-led by Mare Liberum and AE Ventures as REGENT moved toward full-scale manufacturing of its Viceroy seaglider. The company said the financing supported milestones including human flight testing, military partnerships and manufacturing from a newly completed 255,000-square-foot facility. That transaction is especially relevant to Mare Liberum because it combines several themes the manager publicly emphasizes at once: advanced manufacturing, maritime mobility, dual-use commercial/defense applications and domestic industrial capacity. But the $240 million is REGENT's company financing round, not a Mare Liberum investment amount, and public evidence does not establish whether this specific Fund I LP, the $150 million Critical Technologies LLC, the Advanced Manufacturing Fund or another Mare Liberum vehicle supplied the investment. That distinction is crucial because Mare Liberum's expanding legal architecture creates a growing allocation question: which vehicle receives which Saronic, REGENT, Epirus, Windward or future maritime investment, and on what terms
FINAL ASSESSMENT
Mare Liberum Critical Technologies Fund I has a strong legal and operating verification profile, but its real significance comes from the platform developing around it. The SEC filing confirms $25.806 million sold to 17 investors within roughly two weeks of first sale, Rule 506(c), Section 3(c)(1), Mare Liberum Capital Partners and Erik Bethel; the official website independently verifies a concentrated maritime-critical-technology thesis and a senior team with unusually deep Navy, government, defense-investing and private-capital backgrounds. At the same time, the appearance of multiple 2026 Mare Liberum funds — including a separate $150 million Critical Technologies LLC and an Advanced Manufacturing vehicle — means investors need a precise organizational chart before interpreting any one filing as the size of the manager's overall strategy. The decisive diligence questions are which portfolio companies sit in Fund I, whether government strategic-capital leverage applies to this specific legal vehicle or another fund, how opportunities are allocated across the Mare Liberum fund family, what management fee and carry apply, how 3(c)(1) beneficial-owner limits are managed, and how government-contract, manufacturing and technology-development risks are valued.
SEC SNAPSHOT
SEC CLASSIFICATION: Pooled Investment Fund / Other Investment Fund | SECURITY: Pooled Investment Fund Interests | EXEMPTION: Rule 506(c) | ICA EXCLUSION: Section 3(c)(1) | FIRST SALE: August 31, 2026 | OFFERING: Indefinite | DURATION: More than one year.
TOTAL SOLD: $25,805,500 | INVESTORS: 17 | MINIMUM SHOWN ON FORM D: $0 | SALES COMMISSIONS: $0 estimated | FINDER'S FEES: $0 estimated | NAV: Declined to disclose.
SOLICITATION RECIPIENT: BHA Select Network, LLC | CRD 168883 | states disclosed: Florida, Massachusetts, New York | Form D estimated commissions: $0.
ITEM 16: $0 estimated related-person use of proceeds; filing states the management company will receive management fees based on the amount of securities sold.
IMPORTANT CAPITAL DISTINCTION: $25.806M is cumulative securities sold by this Fund I LP. It is not the $150M offering size of Mare Liberum Critical Technologies Fund LLC, not the amount of any DoD strategic-capital facility, not REGENT's $240M financing round and not Mare Liberum firmwide AUM.
WEBSITE / ENTITY PENETRATION
OFFICIAL MANAGER: Mare Liberum Capital Partners, LLC | OFFICIAL DOMAIN: mareliberum.com | PLATFORM DESCRIPTION: maritime-first critical-technology investment manager.
OFFICIAL THEMES: Emerging Ocean Platforms | National Security Modernization | Global Trade Realignment | autonomous maritime systems | maritime cybersecurity | shipbuilding | undersea infrastructure | ocean exploration | supply-chain resilience.
PUBLIC PORTFOLIO: Saronic Technologies — autonomous surface vessels | REGENT Craft — electric seagliders | Epirus — electronic warfare / high-power microwave | Windward — maritime-domain intelligence | Stealth Incubation — sovereign AI infrastructure. Public platform portfolio names should not automatically be assigned to Fund I without fund-level attribution.
TEAM: Erik Bethel — General Partner | Rear Admiral Lorin Selby, USN (Ret.) — General Partner | Marc Baliotti — General Partner | Vrushank Vora — General Partner.
ADVISORY NETWORK: former Secretary of the Navy Kenneth Braithwaite | former Undersecretary of State Paula Dobriansky | former NOAA Administrator / Navy Chief Oceanographer Timothy Gallaudet | Matthew Pottinger | former Federal Maritime Commission Chairman Louis Sola and other maritime / national-security advisers.
RELATED 2026 VEHICLE: Mare Liberum Critical Technologies Fund LLC | CIK 0002145976 | $150M offering | $60.35M sold to 10 investors as of July 2026 | $500K minimum | Rule 506(b). This is a separate legal issuer.
RELATED 2026 VEHICLE: Mare Liberum Advanced Manufacturing Fund LLC | CIK 0002149886 | separate $15M 2026 offering after amendments | Rule 506(b). Do not combine with Fund I without organizational documentation.
DoD / OFFICE OF STRATEGIC CAPITAL CONTEXT: 2026 reporting describes up to $150M of government-backed long-term financing for Mare Liberum's second fund, contingent on approximately $120M of private LP capital. Public reporting does not establish that the financing belongs specifically to this Fund I LP.
2026 REGENT TRANSACTION: REGENT announced a $240M Series B, split between equity and debt, co-led by Mare Liberum and AE Ventures. The round is a company-level financing and does not establish the amount invested by any specific Mare Liberum fund.
CURRENT FUND I NAV: NOT DISCLOSED | CURRENT PORTFOLIO ATTRIBUTION: NOT PUBLICLY DISCLOSED | MANAGEMENT FEE RATE: NOT DISCLOSED | CARRY: NOT DISCLOSED | GOVERNMENT-FINANCING ALLOCATION TO FUND I: NOT ESTABLISHED.
CORE INVESTOR QUESTIONS
Which portfolio companies are actually owned by Fund I LP | How does Fund I relate economically to Mare Liberum Critical Technologies Fund LLC | Is one a feeder, parallel vehicle, SBIC-linked vehicle or separate strategy | Which legal vehicle is connected to the reported Office of Strategic Capital financing | Does government leverage sit at fund level, an affiliated SBIC or another entity | How are Saronic, REGENT, Epirus and Windward investments allocated among Mare Liberum vehicles | Why does Fund I use Rule 506(c) and 3(c)(1) while the separate $150M vehicle uses different offering terms | What management fee and carried interest apply | Is there a GP commitment | What portion of capital can be invested in one company | How much portfolio revenue depends on U.S. defense contracts | How are export-control, ITAR and classified-program risks handled | What follow-on reserves are maintained for capital-intensive manufacturing companies | How are valuation marks determined for dual-use private companies
CORE RISKS
Defense-procurement risk | government-budget exposure | long procurement cycles | hardware and manufacturing execution | capital intensity | follow-on financing risk | export-control / ITAR complexity | maritime-market concentration | private-company valuation risk | single-company concentration | cross-fund allocation conflicts | multiple similarly named legal vehicles | 3(c)(1) beneficial-owner limits | government financing may be conditional | reported DoD support should not be interpreted as investment approval or guarantee | company financing amounts do not equal Fund I investment amounts | Form D sales do not equal current NAV.
INDEPENDENT CONCLUSION
Mare Liberum Critical Technologies Fund I is not just another small 2026 venture filing. Its $25.806 million of sales to 17 investors arrived as Mare Liberum was simultaneously expanding into multiple critical-technology vehicles, receiving high-profile strategic-capital attention and leading financing for companies such as REGENT. The manager's combination of former Navy leadership, government finance experience, defense investing and maritime operating expertise gives the platform a particularly coherent thesis around dual-use technology and strategic infrastructure.
That same expansion creates the central diligence challenge. Investors need to know which legal Mare Liberum vehicle owns which asset and which vehicle, if any, receives government-backed leverage. Until the LPAs, organizational chart and portfolio schedules are reviewed, the $25.806M Fund I filing, the separate $150M Critical Technologies vehicle, the Advanced Manufacturing Fund and the reported DoD financing should remain distinct. Form D verifies the exempt offering; it does not mean that the SEC, Department of Defense or Office of Strategic Capital approved Fund I's portfolio, valuation, fee structure or future investment performance.
PRIMARY EVIDENCE REVIEWED
U.S. Securities and Exchange Commission — Mare Liberum Critical Technologies Fund I, LP — CIK 0002151169 — Form D filed September 15, 2026 — $25,805,500 sold — 17 investors — Rule 506(c) — Section 3(c)(1) — first sale August 31, 2026.
U.S. Securities and Exchange Commission — Mare Liberum Critical Technologies Fund LLC — CIK 0002145976 — July 2026 filing — $150M offering — $60.35M sold — 10 investors — $500K minimum.
U.S. Securities and Exchange Commission — Mare Liberum Advanced Manufacturing Fund LLC — CIK 0002149886 — separate 2026 Rule 506(b) vehicle.
Mare Liberum official website — maritime critical-technology thesis, portfolio, team and advisory network.
Fortune — March 5, 2026 reporting on up to $150M of Office of Strategic Capital / SBA financing for a Mare Liberum fund, contingent on additional private LP fundraising.
REGENT — August 27, 2026 announcement of $240M Series B financing co-led by Mare Liberum and AE Ventures.
IMPORTANT FORM D NOTICE:
Form D is a notice filing for an exempt securities offering. A government strategic-capital commitment, SEC filing or Department of Defense relationship does not mean that the SEC, DoD or any other U.S. government agency approved Mare Liberum Critical Technologies Fund I, any portfolio company, valuation, management fee, carried interest or future investment performance.