Sponsored and unsponsored ADRs differ in one structural way that drives everything else: a sponsored ADR is created through a formal agreement between the foreign company and a single U.S. depositary bank, while an unsponsored ADR is set up by a depositary bank on its own, without the foreign company’s participation. From that one difference flow the practical distinctions investors actually feel: where the receipt trades, how much disclosure comes with it, whether you get to vote, and who pays the custodial fees.
Who Sets Up the Program
A sponsored ADR program begins when a foreign company decides it wants a U.S. market presence and contracts with a depositary bank to build one. The bank holds the underlying foreign shares in custody and issues the ADRs. Because the company initiated the arrangement, it typically absorbs much of the administrative cost and controls how investor communications work.
Unsponsored ADRs run the other direction. A depositary bank sees U.S. demand for a foreign stock and creates the program without the issuer’s involvement. There is no formal agreement between the bank and the company, and the company provides no financial or informational support. Unsponsored programs were relatively uncommon before 2008, when the SEC amended Rule 12g3-2(b) and the related Form F-6 process to make them easier to establish. The SEC estimated the amendments would produce roughly 350 additional Form F-6 filings per year.1U.S. Securities and Exchange Commission. Exchange Act Rule 12g3-2(b) Final Rule
Because no direct relationship exists, a depositary bank setting up an unsponsored program only needs a “reasonable, good faith belief” that the foreign company maintains its 12g3-2(b) exemption. The bank checks public filings and makes a judgment call rather than getting confirmations from the issuer.1U.S. Securities and Exchange Commission. Exchange Act Rule 12g3-2(b) Final Rule
One consequence of the unsponsored structure: multiple depositary banks can each create their own ADR for the same foreign company. Trading volume fragments across several tickers, thinning liquidity and widening spreads on each one. With a sponsored program, there is only one bank and one ADR, and volume concentrates in a single security.
Where Each Type Trades
Unsponsored ADRs trade exclusively over the counter, on venues like the OTC Pink Sheets or the OTCQB Venture Market.2U.S. Securities and Exchange Commission. Investor Bulletin: American Depositary Receipts Sponsored ADRs may trade OTC as well, but they can also list on the NYSE or Nasdaq depending on the program’s level.
OTC venues tend to have thinner volume and wider bid-ask spreads than the major exchanges, which makes entering or exiting large positions more expensive. For a small long-term position the difference may be negligible. For institutional-sized orders it matters. Exchange-listed sponsored ADRs benefit from centralized order books, higher volumes, tighter spreads, and additional scrutiny from the exchange, which imposes its own standards for share price, market capitalization, and financial condition on top of the SEC’s requirements.
Disclosure and the Three Levels of Sponsored ADRs
Sponsored ADRs come in three tiers based on how deeply the foreign company engages with U.S. securities regulation. The tier determines where the ADR trades, how much financial information reaches U.S. investors, and whether the company can raise capital in the American market. Unsponsored ADRs sit alongside the lowest tier.
Level I
Level I is the entry point. The foreign company registers the ADRs on Form F-6 but does not register the underlying shares with the SEC. It must maintain an exemption from full SEC registration under Rule 12g3-2(b), which requires publishing in English, on its website or through an electronic system, the material information it makes public in its home country: annual reports with financial statements, interim financial reports, press releases, and shareholder communications, at a minimum.3eCFR. 17 CFR 240.12g3-2 – Exemptions for American Depositary Receipts and Certain Foreign Securities Level I ADRs trade only over the counter and cannot be used to raise new capital.2U.S. Securities and Exchange Commission. Investor Bulletin: American Depositary Receipts
Level II
Level II lets the ADR list on a major U.S. exchange. This requires full SEC registration and the annual filing of Form 20-F, a comprehensive report on the company’s business and financial results.2U.S. Securities and Exchange Commission. Investor Bulletin: American Depositary Receipts Financial statements in a Form 20-F must be prepared using either U.S. GAAP or International Financial Reporting Standards as issued by the International Accounting Standards Board. Filers using IFRS are not required to reconcile to GAAP.4U.S. Securities and Exchange Commission. Financial Reporting Manual – Topic 6: Foreign Private Issuers Level II programs still cannot be used to raise capital in the U.S.
Level III
Level III carries the same exchange listing and Form 20-F reporting duties as Level II, plus the ability to issue new shares and raise capital directly from U.S. investors. That step requires filing a separate registration statement on Form F-1, F-3, or F-4 to register the securities being offered, with a prospectus disclosing use of proceeds, risk factors, dilution effects, and distribution plans.2U.S. Securities and Exchange Commission. Investor Bulletin: American Depositary Receipts From a disclosure standpoint, this is the closest an ADR gets to a domestic U.S. stock.
Where Unsponsored Fits
Unsponsored ADRs sit at the bottom of the regulatory ladder alongside Level I. They rely on the same Rule 12g3-2(b) exemption and trade only over the counter.2U.S. Securities and Exchange Commission. Investor Bulletin: American Depositary Receipts The foreign company’s home-country disclosures don’t need to follow U.S. GAAP or IFRS, and the information available may not be in English unless the issuer publishes it that way on its own. Comparing an unsponsored ADR’s financials to a domestic U.S. stock is significantly harder.
Voting Rights
Sponsored ADR holders generally retain the ability to vote. The depositary bank is contractually obligated under the deposit agreement to distribute proxy materials, collect voting instructions from ADR holders, and vote the underlying shares accordingly. You aren’t a registered shareholder of the foreign company, but the bank votes on your behalf based on the instructions you give.
Unsponsored ADR holders typically have no voting rights at all. Without a formal agreement between the issuer and the bank, no mechanism requires the bank to forward proxy materials or solicit your vote. You hold an economic interest in the stock’s performance but no voice in how the company is run. For a passive investor focused on price and dividends, that may not matter. For anyone who cares about executive pay, mergers, or board elections, the gap is real.
Fees
Both types carry custodial service fees, sometimes called pass-through fees, that compensate the depositary bank for holding the underlying shares and handling administration. They generally run from $0.01 to $0.05 per ADR and are most often deducted from dividend payments before they reach you. These fees can also be assessed when no dividend is paid, which catches investors who assume a non-dividend-paying ADR costs nothing to hold.5Fidelity. Understanding American Depositary Receipts
The difference between the two structures is who ultimately pays. In a sponsored program, the foreign company often absorbs part or all of the custodial and administrative charges as a cost of maintaining its U.S. presence. With unsponsored ADRs, every fee flows directly to the investor. The bank may also charge extra for services like applying a reduced treaty withholding rate on your dividends, which requires filing paperwork with the foreign tax authority. On top of that, currency conversion on dividend payments includes an exchange-rate spread that functions as another cost layer, rarely disclosed with precision.
What Termination Looks Like
ADR programs can end. In a sponsored program, either the depositary bank or the foreign issuer can trigger termination. In an unsponsored program, the decision rests with the bank alone. Either way, the bank issues a notice giving holders a window to surrender their ADRs in exchange for the underlying foreign shares. Taking delivery means paying a cancellation fee, potentially a cable or transfer charge, and holding the ordinary shares in a brokerage account capable of foreign securities, which not every U.S. broker offers. Cancellation fees generally run up to $0.05 per ADR.
Miss the window and the bank may sell the underlying shares on the foreign market and distribute cash proceeds to remaining holders, minus sale costs, applicable taxes, and the cancellation fee. The forced sale happens at whatever price the market offers at the time. Termination notices for unsponsored programs deserve particular attention: the foreign company has no obligation to alert you, so the only notice comes from the depositary bank. If you’re not watching, the deadline can pass before you act.