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Americas Block Trades CNBV MXN

Mexico Block Trade on BMV

Block-trade financing and discreet execution for large lines of shares listed in Mexico — for sellers and acquirers who need to move size without disturbing the order book or the price.

01 · Process
How it works

From enquiry to print.

—StageWhat happensTiming
01Confidential enquiryThe line, the holding and the objective, shared through a secure channel.Day one
02Pricing the blockThe line is sized and a price set against it; any discount reflects size and liquidity.1–2 days
03Execution & printWorked off the order book or negotiated, then printed under the exchange’s block-trade rules.On the day
04Settlement & disclosureSettles on the standard cycle; any substantial-holding disclosure is sequenced around the print.T+1 / T+2
02 · The Market
Americas

Mexico equity markets.

A Mexican block trade moves a large line of BMV-listed stock in a single negotiated transaction — off the order book, at an agreed price — so a holder can exit, or an acquirer build a position, without walking the screen. Black Haven can take the line onto its own book, giving the seller a clean, priced exit while the disclosure and any tender-offer implications that follow a substantial transfer are managed around the print.

The BMV supports negotiated block operations (operaciones de bloque) and cross trades handled off the continuous order book under the Reglamento Interior de la BMV, with defined windows and reporting into the exchange’s systems. Because the Mexican market is concentrated by sector and issuer count, a block’s size relative to a name’s daily turnover matters more than in deeper markets, and thin issues are worked with care. The disclosure backdrop is the same 10%-and-each-further-5% regime under the Ley del Mercado de Valores, with a mandatory tender offer where a transfer crosses into control. Equity settles T+1 through Indeval.

Mexico block trades at a glance:

Listed venueBolsa Mexicana de Valores (BMV)
RegulatorComisión Nacional Bancaria y de Valores (CNBV)
CurrencyMXN
SettlementT+1
Disclosure threshold10%
Principal indicesS&P/BMV IPC
StructureOff-market or negotiated-price

Regulatory references are published for general orientation and are not legal advice.

03 · Exchanges
One Venue

Each Mexico exchange, covered.

BMV · Mexico City

Bolsa Mexicana de Valores

Mexico’s principal equity exchange, with the SIC system providing local access to internationally listed securities. The market is concentrated by sector and issuer count, which sharpens eligibility analysis for large positions.

View BMV →
04 · FAQ
Mexico · Block Trades

What holders ask about Mexico.

01Does a block trade in Mexico have to be disclosed?
A block that moves a holder through 10% of a listed company’s shares, or across a further 5% band, is notifiable to the CNBV under the Ley del Mercado de Valores, and a transfer that crosses into control can require a mandatory tender offer. The trade itself reports into the BMV’s systems under the exchange’s rules. Black Haven structures the print and its timing so the disclosure is handled cleanly.
02How large a block can Black Haven take in one line?
That depends on the name. For S&P/BMV IPC constituents and issuers that also trade as New York ADRs, free float and turnover support a sizeable single print; for thinner issues or restricted share series, size is set against daily volume so the position can be managed. Black Haven takes the line onto its own book as principal, which gives the seller a priced exit rather than an order worked over days.
03How do you execute a Mexico block trade?
We work the line off the order book, off-market or at a negotiated price, and the block is then printed to Bolsa Mexicana de Valores (BMV) under its block-trade rules. Black Haven Investments can take all or part of the risk on the line, so the seller achieves a clean exit at an agreed price.
04How large a block can you handle in Mexico?
It depends on the stock’s free float, daily traded volume and volatility. We assess each line on its merits and indicate a workable size and price range after reviewing the position.
05Does the block trade have to be disclosed?
Often, yes. A substantial transfer by a significant shareholder is generally disclosable under the relevant regime overseen by CNBV. We manage the sequencing and wording of any required notification around the trade.
06Can you finance the buyer of the block?
Yes. A block can be paired with a stock loan to the acquirer, so the newly acquired Mexico-listed line serves immediately as collateral for the financing that funds it.
07What is the settlement cycle for a Mexico block trade?
The negotiated block is printed to Bolsa Mexicana de Valores (BMV) under its block-trade rules and then settles on the standard T+1 cycle. We coordinate the print, the settlement and any financing legs so the line moves cleanly.
08At what level must a block be disclosed in Mexico?
The principal threshold is 10%, under Ley del Mercado de Valores overseen by CNBV. A crossing by a substantial holder is notifiable; we sequence the print and the notice.
09Can you execute a block for a foreign or offshore seller?
Yes. The line is held with a qualified custodian and the block printed to Bolsa Mexicana de Valores (BMV); we manage cross-border custody, settlement and the disclosure that attaches to a substantial transfer.
10How quickly can a Mexico block be executed?
It depends on the stock’s liquidity and the size of the line relative to daily volume. Once mandated, many blocks are worked and printed within days; thinner lines are paced to limit market impact.
05 · Adjacent Markets
Americas

Countries adjacent to Mexico.

United States · Canada · Brazil · Chile

All countries →

Guides

Related guides.

Block Trades

What Is a Block Trade, and How Does One Work?

A block trade is the off-market sale of a large line of listed shares at a negotiated price, executed bilaterally and printed under exchange rules to avoid moving the open market.

Read → Block Trades

How Do You Sell a Large Block of Shares Without Moving the Price?

A large block is sold without moving the price by taking it off the open order book — negotiating off-market at an agreed price, often with a liquidity provider taking the risk, and printing under exchange block rules.

Read → Disclosure

Do Block Trades Have to Be Disclosed?

Often yes. Once a significant shareholder crosses a market’s substantial-holding threshold, a block sale is generally notifiable to the regulator within a set window, with thresholds varying by jurisdiction.

Read →

A particular Mexico holding to talk through?

Send a confidential enquiry, and a senior principal will reply within one business day.

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