INDEPENDENT ASSESSMENT
Arroyo Investors Fund V, L.P. is a verifiable 2026 Delaware private-equity fund sponsored by Arroyo Energy Investment Partners, and its September 16, 2026 Form D is clearly a launch-stage filing rather than evidence of a completed raise. The issuer reports an indefinite offering, $0 sold, zero investors and "first sale yet to occur," while relying on Rule 506(c) and Section 3(c)(7) and offering both equity and pooled investment fund interests. Arroyo Investors Fund V GP, L.P. is the General Partner, while founding partners David T. Field and Robert C. Jordan appear in the related-person chain. The filing is already institutionally significant because it names a broad fundraising network — Threadmark LP, Threadmark Partners Limited, Threadmark LLP, Threadmark Unipessoal, Moonvalley Capital y Asesorias Limitada and Campbell Lutyens & Co. Inc. — and estimates $8,602,880 of sales commissions. The distinctive story is therefore not current fundraising volume, because Fund V was still at $0 sold; it is that Arroyo is launching a new 506(c) flagship immediately after closing Fund IV with more than $1 billion of commitments and after materially expanding its energy-infrastructure strategy into data centers, distributed generation, LNG and dark fiber.
Arroyo's Fund IV gives unusually strong context for what Fund V is likely trying to continue. In July 2025, Arroyo announced that Fund IV and affiliated vehicles had closed with more than $1 billion in total equity commitments from pensions, insurance companies, endowments, foundations, family offices and other institutional investors. The firm described the strategy as acquiring equity interests in established energy-infrastructure companies and late-stage development projects sourced through decades of sector relationships. Fund IV's disclosed portfolio shows that "energy infrastructure" now means far more than conventional power plants: Seaside LNG is an LNG liquefaction and bunkering platform; Mesa Solutions provides distributed natural-gas generation and grid-resiliency systems; Cielo Digital Infrastructure develops power-ready sites for U.S. data centers; Fermaca Networks is developing dark-fiber infrastructure across the U.S. and Mexico; and Arroyo later sponsored Stella Power to pursue distributed generation for data centers, industrial users and other mission-critical customers. That evolution makes Fund V especially timely because it sits at the intersection of AI/data-center load growth, grid constraints, onsite power, gas infrastructure and digital connectivity rather than relying on one single energy-transition theme.
THE UNIQUE STORY: FUND V IS BEING MARKETED THROUGH A MUCH BROADER GLOBAL PLACEMENT NETWORK THAN THE $0-SOLD NUMBER SUGGESTS
The Form D's sales-compensation section is unusually revealing for a fund that has not yet reported a first sale. Threadmark entities appear across the U.S., UK and Portugal; Moonvalley Capital is listed in Santiago, Chile; and Campbell Lutyens is listed for solicitation across all U.S. states. Arroyo's Fund IV close separately confirmed Threadmark as global placement agent, so Fund V's new filing looks like an intentional continuation and expansion of an institutional fundraising apparatus rather than a speculative shell filing. The estimated $8.603 million in sales commissions is therefore meaningful even before any capital is reported sold: it shows the sponsor expects to spend materially on global distribution and investor access. At the same time, because the offering amount is indefinite and $0 was sold at filing, it would be wrong to infer Fund V's target size by dividing commissions by any assumed percentage. The actual target, fee schedule and placement economics need to come from the PPM, placement agreements or later Form D amendments.
Arroyo's broader operating record also gives Fund V a more concrete asset-management backdrop than many first-sale-yet-to-occur filings. The official site currently describes roughly $4 billion in cumulative AUM since 2003, 22 professionals and more than 100 years of cumulative partner investment experience. In February 2026, Arroyo and ONCEnergy announced the acquisition of a Texas wind farm, while Arroyo described itself as managing about $3.4 billion in cumulative assets since 2015 across thermal and renewable generation. Fund IV also monetized a Fund III asset in 2025: Arroyo disclosed the sale of a roughly 143 MW natural-gas combined-cycle plant near Monterrey, Mexico at a total enterprise value above $440 million. That mix — acquisitions, development platforms, distributed power, digital infrastructure and realized exits — suggests Fund V is likely to remain operationally oriented rather than functioning as a passive yield vehicle, though the 2026 Form D itself does not disclose Fund V's investment mandate in detail and no Fund V portfolio should be inferred before actual transactions are announced.
FINAL ASSESSMENT
Arroyo Investors Fund V has a strong sponsor and regulatory verification profile, but the most important fact is that the SEC filing captures the vehicle before fundraising had formally begun. As of September 16, 2026, Fund V had $0 sold, zero investors and no first sale, yet it already had a fully built fundraising network and an estimated $8.6 million commission budget. That makes it fundamentally different from a small experimental launch. The sponsor had just closed Fund IV at more than $1 billion and had expanded its portfolio beyond traditional power generation into LNG, distributed generation, dark fiber and data-center-related infrastructure. Investors should therefore focus on Fund V's eventual target size, first-close timing, carry and management-fee structure, GP commitment, sector allocation, cross-fund conflicts, development exposure and whether the new fund pushes further into AI/data-center power and digital infrastructure. Form D verifies the offering and fundraising architecture; it does not establish Fund V commitments, NAV, portfolio assets or future returns.
SEC SNAPSHOT
SEC CLASSIFICATION: Pooled Investment Fund / Private Equity Fund | SECURITY: Equity + Pooled Investment Fund Interests | EXEMPTION: Rule 506(c) | ICA EXCLUSION: Section 3(c)(7) | FIRST SALE: Yet to occur | OFFERING: Indefinite | OFFERING DURATION: More than one year.
PLACEMENT / SOLICITATION NETWORK: Threadmark LP | Threadmark Partners Limited | Threadmark LLP | Threadmark Unipessoal, LDA | Moonvalley Capital y Asesorias Limitada | Campbell Lutyens & Co. Inc.
IMPORTANT CAPITAL DISTINCTION: Fund V reported $0 sold at filing. Fund IV's $1B+ commitments, Arroyo's firmwide cumulative AUM and the $440M Fund III asset sale are sponsor/platform metrics, not Fund V NAV or commitments.
WEBSITE / ENTITY PENETRATION
OFFICIAL SPONSOR: Arroyo Energy Investment Partners LLC / Arroyo Investors | OFFICIAL DOMAIN: arroyoinvestors.com | BASE: Houston-area / Spring, Texas.
OFFICIAL PLATFORM SCALE: approximately $4B cumulative AUM since 2003 | 22 professionals | 100+ years cumulative partner investment experience.
FUND IV: more than $1B total equity commitments at final close in July 2025 | institutional LP base included pensions, insurance companies, endowments, foundations, family offices and funds of funds.
DISCLOSED FUND IV INVESTMENTS: Seaside LNG | Mesa Solutions | Cielo Digital Infrastructure | Fermaca Networks | later Stella Power appears in the broader Arroyo portfolio.
2026 OPERATING ACTIVITY: Texas wind-farm acquisition with ONCEnergy | sponsor described about $3.4B cumulative AUM since 2015 and a portfolio spanning thermal and renewable generation.
HISTORICAL REALIZATION: Fund III-related sale of approximately 143 MW natural-gas combined-cycle plant near Monterrey, Mexico | enterprise value above $440M.
FUND V TARGET SIZE: NOT DISCLOSED IN FORM D | FUND V FIRST CLOSE: NOT YET REPORTED IN THE SEPTEMBER 16 FILING | FUND V PORTFOLIO: NOT PUBLICLY IDENTIFIED | MANAGEMENT FEE / CARRY: REQUIRES PPM | GP COMMITMENT: NOT DISCLOSED IN FORM D.
CORE INVESTOR QUESTIONS
What is Fund V's actual target and hard cap | When will the first close occur | How much will Arroyo and its partners commit | Will Fund V retain Fund IV's mix of LNG, distributed power, data-center sites and fiber infrastructure | How much exposure will be allocated to AI/data-center power demand | What percentage can be late-stage development versus operating assets | How are opportunities allocated between Fund IV and Fund V while Fund IV remains active | What management fee and carry apply | What hurdle or preferred return applies | How much of the estimated $8.6M placement commission is ultimately expected to be incurred | What role does Campbell Lutyens play relative to Threadmark and Moonvalley | How much non-U.S. fundraising is expected | What leverage and project-level financing limits apply | What development, construction and merchant-power risks are permitted
CORE RISKS
Launch-stage fundraising risk | $0 sold at filing | development-stage infrastructure risk | power-price risk | data-center demand uncertainty | gas and LNG exposure | construction-cost inflation | grid interconnection risk | permitting risk | interest-rate and refinancing risk | merchant-power exposure | cross-fund allocation conflicts | global placement expense | sector concentration | large expected commission budget | Fund IV success should not be assumed to repeat in Fund V | Form D does not establish current Fund V capital.
INDEPENDENT CONCLUSION
Arroyo Investors Fund V is unusual because the SEC filing arrived before any first sale but after the sponsor had already built the full machinery of a global institutional raise. That combination — $0 sold, Rule 506(c), Section 3(c)(7), six placement or solicitation entities and an estimated $8.6 million commission budget — is much more informative than the headline fundraising number alone. It shows a mature manager preparing to launch a new flagship rather than testing market interest casually.
The sponsor backdrop is equally important. Fund IV closed above $1 billion and already owns platforms spanning LNG, distributed generation, digital infrastructure and fiber, while Arroyo has demonstrated realized exits in prior vintages. The main diligence issue for Fund V is therefore how the next fund changes the strategy: whether it becomes more exposed to AI/data-center power, whether development risk rises, and how Fund IV and Fund V compete for transactions. Form D confirms the legal offering and fundraising network; it does not mean that the SEC approved Fund V, Arroyo Investors, any infrastructure asset, placement arrangement, valuation or future return.
PRIMARY EVIDENCE REVIEWED
U.S. Securities and Exchange Commission — Arroyo Investors Fund V, L.P. — CIK 0002147350 — Form D filed September 16, 2026 — Rule 506(c) — Section 3(c)(7) — $0 sold — first sale yet to occur — estimated $8.603M sales commissions.
U.S. Securities and Exchange Commission — Arroyo Investors Fund V-B, L.P. — CIK 0002147351 — separate parallel 2026 vehicle filed the same day with $0 sold and estimated $549,120 sales commissions.
Arroyo Investors official website — current platform scale, strategy and portfolio.
Arroyo Investors — July 2025 Fund IV final close — more than $1B of commitments and investments in Seaside LNG, Mesa Solutions, Cielo Digital Infrastructure and Fermaca Networks.
Arroyo Investors — 2026 ONCEnergy wind-farm acquisition and Stella Power distributed-generation sponsorship.
IMPORTANT FORM D NOTICE:
Form D is a notice filing for an exempt securities offering. It does not mean that the SEC approved Arroyo Investors Fund V, Arroyo Energy Investment Partners, Threadmark, Campbell Lutyens, any energy-infrastructure asset, placement fee, valuation or future investment performance.