{"url_path":"/sec/bcss-wt/10-q/2026/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"10-Q","doc_date":"2026-05-14","source_url":"https://www.sec.gov/Archives/edgar/data/2064355/0001193125-26-224313-index.html","accession_number":"0001193125-26-224313","cik":"0002064355","ticker":"BCSS","issuer_name":"Bain Capital GSS Investment Corp.","edgar_url":"https://www.sec.gov/Archives/edgar/data/2064355/0001193125-26-224313-index.html","primary_entity_key":"0002064355","primary_entity_name":"Bain Capital GSS Investment Corp."},"word_count":1190,"has_tables":true,"body_markdown":"10-Q\n\n##### Table of Contents\n\nQ10002064355false--12-31Prior to the Initial Public Offering, 1,500,000 Class B ordinary shares were subject to forfeiture depending on the extent to which the underwriter exercised its over-allotment option and were therefore excluded from certain share calculations where applicable. On October 1, 2025, the underwriters exercised the over-allotment option in full in connection with the closing of the Initial Public Offering, and accordingly, such Founder Shares are no longer subject to forfeiture (see Note 4).Included up to 1,500,000 Class B ordinary shares subject to forfeiture if the over-allotment option was not exercised in full or in part by the underwriters. Subsequently, on October 1, 2025, the underwriters exercised their over-allotment option in full as part of the closing of the Initial Public Offering. As such, the 1,500,000 Founder Shares are no longer subject to forfeiture (see Note 4). 0002064355 2026-01-01 2026-03-31 0002064355 2025-03-24 2025-03-31 0002064355 2026-03-31 0002064355 2025-12-31 0002064355 2025-10-01 0002064355 2025-10-01 2025-10-01 0002064355 2025-03-24 2025-12-31 0002064355 2025-03-26 2025-03-26 0002064355 2025-03-23 0002064355 2025-03-31 0002064355 us-gaap:CommonStockMember 2026-03-31 0002064355 us-gaap:CommonClassAMember 2026-03-31 0002064355 us-gaap:CommonClassBMember 2026-03-31 0002064355 us-gaap:PreferredStockMember 2026-03-31 0002064355 us-gaap:CommonClassBMember us-gaap:CommonStockMember 2026-03-31 0002064355 us-gaap:CommonClassAMember us-gaap:CommonStockMember 2026-03-31 0002064355 bcss:ChiefOperatingDecisionMakerMember 2026-03-31 0002064355 bcss:WorkingCapitalLoanMember 2026-03-31 0002064355 us-gaap:PrivatePlacementMember 2026-03-31 0002064355 bcss:WorkingCapitalLoanMember us-gaap:PrivatePlacementMember 2026-03-31 0002064355 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bcss:FounderSharesMember 2025-12-31 2025-12-31 0002064355 bcss:AdministrativeServicesAndIndemnificationAgreementMember 2025-09-29 0002064355 bcss:ClassAOrdinarySharesMember 2026-05-11 0002064355 us-gaap:CommonClassBMember 2026-05-11 0002064355 bcss:EighteenDecemberTwoThousandAndTwentyFiveGrantMember bcss:FounderSharesMember 2025-12-18 2025-12-18 0002064355 bcss:ElevenFebruaryTwoThousandAndTwentySixGrantMember bcss:FounderSharesMember 2026-02-11 2026-02-11 0002064355 bcss:UnderwritingAgreementMember 2026-03-31 2026-03-31 0002064355 bcss:SponsorMember 2026-03-31 2026-03-31 0002064355 bcss:UnderwritingAgreementMember us-gaap:IPOMember 2026-03-31 2026-03-31 0002064355 us-gaap:RetainedEarningsMember 2025-12-31 0002064355 us-gaap:AdditionalPaidInCapitalMember 2025-12-31 0002064355 us-gaap:RetainedEarningsMember 2026-03-31 0002064355 us-gaap:AdditionalPaidInCapitalMember 2026-03-31 0002064355 us-gaap:CommonClassAMember us-gaap:CommonStockMember 2025-03-23 0002064355 us-gaap:CommonClassBMember us-gaap:CommonStockMember 2025-03-23 0002064355 us-gaap:RetainedEarningsMember 2025-03-23 0002064355 us-gaap:AdditionalPaidInCapitalMember 2025-03-23 0002064355 us-gaap:CommonClassAMember us-gaap:CommonStockMember 2025-03-31 0002064355 us-gaap:CommonClassBMember us-gaap:CommonStockMember 2025-03-31 0002064355 us-gaap:RetainedEarningsMember 2025-03-31 0002064355 us-gaap:AdditionalPaidInCapitalMember 2025-03-31 iso4217:USD xbrli:shares xbrli:pure utr:Day utr:Year iso4217:USD xbrli:shares\n\n \n\n \n\nUNITED STATES\n\nSECURITIES AND EXCHANGE COMMISSION\n\nWashington, D.C. 20549\n\n \n\n \n\nFORM 10-Q\n\n \n\n \n\n(MARK ONE)\n\n☒\n\nQUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934\n\nFor the quarter ended March 31, 2026\n\n \n\n☐\n\nTRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934\n\nFor the transition period from\n\n     \n\nto\n\n     \n\nCommission file number:\n001-42874\n\n \n\n \n\nBain Capital GSS Investment Corp.\n\n(Exact Name of Registrant as Specified in Its Charter)\n\n \n\n \n\n \n\nCayman Islands\n\n \n\n98-1853296\n\n(State or other jurisdiction of\n\nincorporation or organization)\n\n \n\n(I.R.S. Employer\n\nIdentification No.)\n\n200 Clarendon Street\n\nBoston, Massachusetts 02116\n\n(Address of principal executive offices)\n\n+1\n(617)516-2000\n\n(Issuer’s telephone number)\n\n \n\n \n\nSecurities registered pursuant to Section 12(b) of the Act:\n\n \n\nTitle of each class\n\n  \n\nTrading\n\nSymbol(s)\n\n  \n\nName of each exchange\n\non which registered\n\nUnits, each consisting of one Class A ordinary share, $0.0001 par value, and\none-fifth\nof one redeemable warrant\n  \nBCSS.U\n  \nNew York Stock Exchange\n\nClass A ordinary shares included as part of the units\n  \nBCSS\n  \nNew York Stock Exchange\n\nRedeemable warrants included as part of the units, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50\n  \nBCSS.W\n  \nNew York Stock Exchange\n\nCheck whether the issuer (1) filed all reports required to be filed by Section 13 or 15(d) of the Exchange Act during the past 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐\n\nIndicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation\nS-T(§232.405\nof this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐\n\nIndicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, anon-accelerated filer, a smaller reporting company or an emerging growth company. See definitions of “large accelerated filer”, “accelerated filer”, “smaller reporting company”, and “emerging growth company” in\nRule 12b-2of\nthe Exchange Act.\n\n \n\nLarge accelerated filer\n \n☐\n  \nAccelerated filer\n \n☐\n\nNon-accelerated\nfiler\n \n☒\n  \nSmaller reporting company\n \n☒\n\n \n\n  \nEmerging growth company\n \n☒\n\nIf an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐\n\nIndicate by check mark whether the registrant is a shell company (as defined in\nRule 12b-2\nof the Exchange Act). Yes ☒ No ☐\n\nAs of May 11, 2026, there were 46,900,000 Class A ordinary shares, $0.0001 par value, and 11,500,000 Class B ordinary shares, $0.0001 par value, issued and outstanding.\n\n \n\n \n\n \n\n##### Table of Contents\n\nBAIN CAPITAL GSS INVESTMENT CORP.\n\nFORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2026\n\nTABLE OF CONTENTS\n\n \n\n \n  \nPage\n \n\n[Part I. Financial Information](#toc150582_1)\n\n  \n \n1\n \n\n[Item 1. Interim Financial Statements](#toc150582_2)\n\n  \n \n1\n \n\n[Condensed Balance Sheets as of March 31, 2026 (Unaudited) and December 31, 2025](#toc150582_3)\n\n  \n \n1\n \n\n[Condensed Statements of Operations for the three months ended March 31, 2026 and for the period from March 24, 2025 (Inception) through March 31, 2025 (Unaudited)](#toc150582_4)\n\n  \n \n2\n \n\n[Condensed Statements of Changes in Shareholders’ Equity (Deficit) for the three months ended March 31, 2026 and for the period from March 24, 2025 (Inception) through March 31, 2025 (Unaudited)](#toc150582_5)\n\n  \n \n3\n \n\n[Condensed Statement of Cash Flows for the three months ended March 31, 2026 and for the period from March 24, 2025 (Inception) through March 31, 2025 (Unaudited)](#toc150582_6)\n\n  \n \n4\n \n\n[Notes to Condensed Financial Statements (Unaudited)](#toc150582_7)\n\n  \n \n5\n \n\n[Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations](#toc150582_8)\n\n  \n \n17\n \n\n[Item 3. Quantitative and Qualitative Disclosures Regarding Market Risk](#toc150582_9)\n\n  \n \n19\n \n\n[Item 4. Controls and Procedures](#toc150582_10)\n\n  \n \n20\n \n\n[Part II. Other Information](#toc150582_11)\n\n  \n \n21\n \n\n[Item 1. Legal Proceedings](#toc150582_12)\n\n  \n \n21\n \n\n[Item 1A. Risk Factors](#toc150582_13)\n\n  \n \n21\n \n\n[Item 2. Unregistered Sales of Equity Securities and Use of Proceeds](#toc150582_14)\n\n  \n \n21\n \n\n[Item 3. Defaults Upon Senior Securities](#toc150582_15)\n\n  \n \n21\n \n\n[Item 4. Mine Safety Disclosures](#toc150582_16)\n\n  \n \n21\n \n\n[Item 5. Other Information](#toc150582_17)\n\n  \n \n21\n \n\n[Item 6. Exhibits](#toc150582_18)\n\n  \n \n22\n \n\n[Part III. Signatures](#toc150582_19)\n\n  \n \n23\n \n\n##### Table of Contents\n\nPART I - FINANCIAL INFORMATION"}