易昆尼克斯美股招股说明书(2026-02-20版)

Equinix Europe 2 Financing Corporation LLC$800,000,000 4.700% Senior Notes due 2033Unconditionally Guaranteed by Equinix,Inc. Equinix Europe 2 Financing Corporation LLC (the “Issuer”), a Delaware limited liability company that is an indirect, wholly-owned subsidiary ofEquinix,Inc., is offering $800,000,000 aggregate principal amount of 4.700% Senior Notes due 2033 (the “notes”). Interest will accrue on the notes from March5, 2026 and will be payable semi-annually on March15 and September15 of each year, commencing September15, 2026. The Issuer may redeem the notes inwhole or in part at any time or from time to time at the redemption prices described under “Description of Notes — Optional Redemption,” which includeaccrued and unpaid interest thereon, if any, to, but not including, the redemption date. Depending on when such notes are redeemed, a make-whole premiummay or may not be payable in respect of any such redemptions. The notes will be fully and unconditionally guaranteed on an unsecured basis by Equinix,Inc., a Delaware corporation. The notes will be the Issuer’s unsecured senior obligations and will rank equal in right of payment to all of the Issuer’s existing and future unsecured andunsubordinated indebtedness and structurally subordinated to all of the liabilities of the Issuer’s subsidiaries, if any. In addition, Equinix,Inc.’s obligationsunder the guarantee will rank equally with all of its other unsecured and unsubordinated indebtedness and will be effectively subordinated to all of the existingand future secured indebtedness of Equinix,Inc. and structurally subordinated to all of the indebtedness and liabilities of other subsidiaries of Equinix,Inc.Upon a change of control triggering event, the Issuer will be required to make an offer to purchase each holder’s notes at a purchase price equal to 101% of theaggregate principal amount thereof plus accrued and unpaid interest, if any, to but not including, the date of purchase. Concurrently with this offering, Equinix Asia Financing Corporation Pte.Ltd. (“Equinix Singapore Finco”), which is an indirect, wholly-owned subsidiaryof the Guarantor, is offering $700,000,000 aggregate principal amount of 4.400% Senior Notes due 2031 (the “Concurrent Offering”), fully and unconditionallyguaranteed on an unsecured basis by the Guarantor. The closing of this offering and the Concurrent Offering are not conditioned on each other. The ConcurrentOffering is being made by means of a separate prospectus supplement and not by means of this prospectus supplement. This prospectus supplement is not anoffer to sell or a solicitation of an offer to buy any securities being offered in the Concurrent Offering. The notes will not be listed on any securities exchange or automated dealer quotation system. Currently there is no public market for the notes. (1)Plus accrued and unpaid interest, if any, from March 5, 2026. Neither the Securities and Exchange Commission (the “SEC”) nor any state securities commission has approved or disapproved of these securities or passedupon the adequacy or accuracy of this prospectus. Any representation to the contrary is a criminal offense. The Issuer expects to deliver the notes in book-entry form through the facilities of The Depository Trust Company (“DTC”) against payment in New York,New York on or about March 5, 2026, which is the tenth business day following the date of this prospectus supplement (this settlement cycle is referred to as“T+10”). Purchasers of the notes should note that trading of the notes may be affected by the settlement date. Prospectus Supplement PageAbout This Prospectus SupplementS-iiForward-Looking StatementsS-ivSummaryS-1Risk FactorsS-8Use of ProceedsS-13CapitalizationS-14Description of NotesS-16Material U.S. Federal Income Tax ConsiderationsS-42UnderwritingS-46Legal MattersS-52ExpertsS-52Where You Can Find More InformationS-52 Prospectus Equinix1About This Prospectus1Forward-Looking Statements2Where You Can Find More Information2Incorporation By Reference2Risk Factors3Use of Proceeds4Description of Capital Stock5Description of Debt Securities11Description of Depositary Shares12Description of Warrants13Description of Purchase Contracts14Description of Units15Plan of Distribution16Legal Matters18Experts18 ABOUT THIS PROSPECTUS SUPPLEMENT This document consists of two parts. The first part is this prospectus supplement, which describes thespecific terms of this offering and the notes offered hereby, and also adds to and updates the informationcontained or incorporated by reference in the accompanying prospectus. The second part is the prospectus,which describes more general information regarding our securities, some of which does not apply to thisoffering. You should read both this prospectus supplement and the accompanying prospectus, together withadditional information described under the heading “Where You Can Find More Information” in thisprospectus supplement and the accompanying prospectus. I