Elroy Air, the San Francisco developer of autonomous heavy-cargo drones, is going public through a merger with Columbus Circle Capital Corp II (CMII), with the deal expected to close in late 2026. The bull case is a defense-and-logistics autonomy platform with a large pipeline; the bear case is classic de-SPAC dilution and redemption risk before the cash is actually in hand.
Elroy Air, the San Francisco developer of autonomous heavy-cargo drones, is going public through a merger with Columbus Circle Capital Corp II (CMII), with the deal expected to close in late 2026. The bull case is a defense-and-logistics autonomy platform with a large pipeline; the bear case is classic de-SPAC dilution and redemption risk before the cash is actually in hand.
Deal at a Glance
SPAC partner: Columbus Circle Capital Corp II
SPAC ticker (trades now): CMII
Expected post-merger ticker: ELRY
Implied valuation: $1.0B EV
Expected close: Q4 2026
Est. first trading date: late Q4 2026
Deal status: Announced
Source filing: SEC 425 (2026-07-10)
Company Overview
Elroy Air is a San Francisco-based developer of autonomous heavy-cargo drones for defense, rapid response, and commercial logistics. Its core product is the Chaparral system, an autonomous VTOL cargo aircraft with a hybrid-electric powertrain designed to carry 500+ pounds of cargo with up to 450 miles of range and no charging infrastructure required. The company also highlights mission-configurable pods and recurring software/licensing revenue alongside aircraft sales.
The company says it was founded in 2016 and has spent 9+ years in development, with 5+ generations of aircraft configurations and 2+ years of flight testing. Public materials point to milestones including first full-scale prototype flight, hover flight, wingborne transition, and a first autonomous point-to-point cargo delivery in 2025. Elroy says it has a demand pipeline exceeding 1,400 aircraft and more than $5 billion in potential revenue opportunity, with customers and partners including Bristow Group, Barq Group, SLI, and FedEx.
Industry-wise, Elroy is pitching into a large market spanning defense logistics, commercial middle-mile cargo, and rapid-response/humanitarian aid. The company cites a roughly $420 billion global TAM across those use cases, and frames the opportunity around defense modernization, supply-chain automation, BVLOS/autonomous flight pathways, and lower-risk resupply in contested or hard-to-reach environments.
The SPAC Deal
Elroy Air is merging with Columbus Circle Capital Corp II, which trades today under ticker CMII. The deal values Elroy at an $800 million pre-money equity value and about a $1.0 billion post-transaction enterprise value, with one SEC 425 slide showing an illustrative $961 million pro forma enterprise value using a trust value per share of $10.30 and the disclosed sources and uses. For a company still in development mode, that valuation is a key question: shareholders are being asked to underwrite future production scale, not current operating scale.
The trust account was funded with $230 million, assuming full over-allotment, but redemption risk is still the swing factor. The materials say the transaction could deliver up to $230 million of additional proceeds depending on redemptions, which means the cash that actually reaches the combined company could be materially lower than the headline trust balance. No actual redemption level has been disclosed yet in the materials surfaced here.
On top of the trust, the deal includes more than $165 million of committed PIPE capital, anchored by Inflection Point, existing Elroy investors, and new institutional investors. Separate term sheets also reference a $100 million Series A Preferred financing and a pre-funded PIPE of up to $80 million in convertible notes and warrants, so the capital stack appears to include multiple tranches. Dilution is also meaningful: the sponsor support agreement shows 7,666,667 Class B shares and 265,000 Class A shares at signing, and the sponsor’s promote/private placement economics include founder shares and private placement warrants. The SPAC’s public warrants trade as CMIIW and are exercisable at $11.50.
Status is announced, with a definitive business combination agreement signed on June 26, 2026. The companies say they expect to close in late 2026, or fourth quarter 2026, subject to shareholder and regulatory approvals. The SEC 425 materials say CMII will file an S-4/proxy and mail a definitive proxy after effectiveness. The expected post-merger ticker is ELRY on Nasdaq.
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The stated use of proceeds is to fund commercial-scale production of Chaparral, accelerate technology and platform development, support production ramp, strategic acquisitions, and hiring. The company also says the capital will help support manufacturing with Kratos as a U.S. manufacturing partner.
The SPAC route gives Elroy a faster path to public capital than a traditional IPO and lets it market a long-duration autonomy story with projections and opportunity estimates in the deal materials. That matters for a pre-scale hardware company: the pitch is not current earnings, but the ability to fund certification, manufacturing, and customer adoption with sponsor-backed capital already lined up.
Financial Highlights
Elroy Air’s public deal materials do not disclose historical revenue, gross margin, or a full income statement in the excerpts surfaced here. What is disclosed is that the company is still pre-scale and using the transaction to fund commercial production. The deck includes company estimates and projections such as a 1,400+ aircraft pipeline, more than $5 billion in potential revenue opportunity, a $7.6 million single-aircraft lifetime revenue opportunity in one slide, and a $3.5 million average selling price assumption for aircraft.
Cash on Elroy Air’s balance sheet is not disclosed in the materials surfaced here, so runway cannot be measured from the filing set provided. Investors should treat the pipeline and revenue figures as projections, not audited guidance. The key financial question is whether the trust, PIPE, and other committed financing are enough to carry the company from development to repeatable production without another raise soon after the merger.
Risk Factors
The biggest de-SPAC risk is that redemptions drain the $230 million trust before close, reducing the cash available to fund production. That risk is especially important here because the company is still pre-scale and the transaction is being sold as a funding event, not just a public listing. If redemptions are high, the combined company may need to rely more heavily on the PIPE and other financing tranches.
Dilution is another major issue. The sponsor promote, private placement warrants, and public warrants create a layered overhang, and the materials show meaningful sponsor share assignments tied to the financing structure. Beyond deal mechanics, shareholders should watch execution risk in scaling production, FAA and DoD certification risk, dependence on non-binding LOIs and MOUs in the pipeline, competition, and the possibility that the combined company struggles to maintain Nasdaq listing after the merger. There is also standard de-SPAC deal risk: the transaction could still fail to close if approvals are not obtained.
Comparable Public Companies
A reasonable public comp set for Elroy Air includes Joby Aviation (JOBY), Archer Aviation (ACHR), Vertical Aerospace (EVTL), Eve Air Mobility (EVEX), and AeroVironment (AVAV). The first four are the closest listed analogs for advanced air mobility and eVTOL, while AVAV gives a defense/autonomous systems reference point.
Because the filing set does not include a formal comp table, there is no disclosed multiple range in the deal materials. In market terms, these names have generally traded as long-duration technology and defense-adjacent growth stories rather than near-term earnings businesses, which is the right lens for Elroy as well. The relevant comparison is less current profitability and more how much investors are willing to pay for certification progress, defense validation, and a credible path to scaled production.
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The setup is interesting because Elroy Air combines a defense-and-logistics autonomy story with a sizable committed financing package and a named manufacturing partner. That gives the deal more substance than a pure concept SPAC, and the expected Nasdaq ticker ELRY gives retail investors a clean public-market entry point once the merger closes.
What shareholders should watch now is not just the headline $800 million pre-money valuation, but how much of the $230 million trust survives redemptions and how much dilution comes through the sponsor promote, warrants, and PIPE structure. The deal matters now because the company is trying to turn a long-development hardware platform into a funded production story; if the cash stack holds, the bull case is that Elroy can move from test milestones to commercial scale. If it does not, the valuation and the capital structure become much harder to justify.
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