{"url_path":"/sec/iwsh/10-q/2026/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"10-Q","doc_date":"2026-05-15","source_url":"https://www.sec.gov/Archives/edgar/data/1279715/0001214659-26-006349-index.html","accession_number":"0001214659-26-006349","cik":"0001279715","ticker":"IWSH","issuer_name":"Wright Investors Service Holdings, Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1279715/0001214659-26-006349-index.html","primary_entity_key":"0001279715","primary_entity_name":"Wright Investors Service Holdings, Inc."},"word_count":740,"has_tables":true,"body_markdown":"iwsh-20260331\n\nfalse\nQ1\n0001279715\n--12-31\n\nNONE\n\n1\n1\nhttp://fasb.org/srt/2026#ChiefExecutiveOfficerMember\n\n0001279715\n\n2026-01-01\n2026-03-31\n\n0001279715\n\n2025-12-31\n\n0001279715\n\n2026-03-31\n\n0001279715\n\niwsh:MutualFundsMember\n\n2025-12-31\n\n0001279715\n\niwsh:MutualFundsMember\n\n2026-03-31\n\n0001279715\n\nus-gaap:FairValueInputsLevel1Member\niwsh:InvestmentsInMutualFundsMember\n\n2025-12-31\n\n0001279715\n\niwsh:InvestmentsInMutualFundsMember\n\n2025-12-31\n\n0001279715\n\nus-gaap:FairValueInputsLevel1Member\niwsh:InvestmentsInMutualFundsMember\n\n2026-03-31\n\n0001279715\n\niwsh:InvestmentsInMutualFundsMember\n\n2026-03-31\n\n0001279715\n\nus-gaap:MutualFundMember\n\n2025-12-31\n\n0001279715\n\nus-gaap:MutualFundMember\n\n2026-03-31\n\n0001279715\n\n2025-01-01\n2025-03-31\n\n0001279715\n\n2025-03-31\n\n0001279715\n\n2024-12-31\n\n0001279715\n\nus-gaap:TreasuryStockCommonMember\n\n2026-03-31\n\n0001279715\n\nus-gaap:RetainedEarningsMember\n\n2026-03-31\n\n0001279715\n\nus-gaap:AdditionalPaidInCapitalMember\n\n2026-03-31\n\n0001279715\n\nus-gaap:CommonStockMember\n\n2026-03-31\n\n0001279715\n\nus-gaap:RetainedEarningsMember\n\n2026-01-01\n2026-03-31\n\n0001279715\n\nus-gaap:TreasuryStockCommonMember\n\n2025-12-31\n\n0001279715\n\nus-gaap:RetainedEarningsMember\n\n2025-12-31\n\n0001279715\n\nus-gaap:AdditionalPaidInCapitalMember\n\n2025-12-31\n\n0001279715\n\nus-gaap:CommonStockMember\n\n2025-12-31\n\n0001279715\n\nus-gaap:TreasuryStockCommonMember\n\n2025-03-31\n\n0001279715\n\nus-gaap:RetainedEarningsMember\n\n2025-03-31\n\n0001279715\n\nus-gaap:AdditionalPaidInCapitalMember\n\n2025-03-31\n\n0001279715\n\nus-gaap:CommonStockMember\n\n2025-03-31\n\n0001279715\n\nus-gaap:RetainedEarningsMember\n\n2025-01-01\n2025-03-31\n\n0001279715\n\nus-gaap:TreasuryStockCommonMember\n\n2024-12-31\n\n0001279715\n\nus-gaap:RetainedEarningsMember\n\n2024-12-31\n\n0001279715\n\nus-gaap:AdditionalPaidInCapitalMember\n\n2024-12-31\n\n0001279715\n\nus-gaap:CommonStockMember\n\n2024-12-31\n\n0001279715\n\n2026-05-15\n\n0001279715\n\nus-gaap:FairValueInputsLevel2Member\niwsh:InvestmentsInMutualFundsMember\n\n2026-03-31\n\n0001279715\n\nus-gaap:FairValueInputsLevel3Member\niwsh:InvestmentsInMutualFundsMember\n\n2026-03-31\n\n0001279715\n\nus-gaap:FairValueInputsLevel2Member\niwsh:InvestmentsInMutualFundsMember\n\n2025-12-31\n\n0001279715\n\nus-gaap:FairValueInputsLevel3Member\niwsh:InvestmentsInMutualFundsMember\n\n2025-12-31\n\n0001279715\n\niwsh:MutualFundsMember\n\n2026-01-01\n2026-03-31\n\n0001279715\n\niwsh:MutualFundsMember\n\n2025-01-01\n2025-12-31\n\n0001279715\n\nus-gaap:CommonStockMember\n\n2025-01-01\n2025-03-31\n\n0001279715\n\nus-gaap:AdditionalPaidInCapitalMember\n\n2025-01-01\n2025-03-31\n\n0001279715\n\nus-gaap:TreasuryStockCommonMember\n\n2025-01-01\n2025-03-31\n\n0001279715\n\nus-gaap:CommonStockMember\n\n2026-01-01\n2026-03-31\n\n0001279715\n\nus-gaap:AdditionalPaidInCapitalMember\n\n2026-01-01\n2026-03-31\n\n0001279715\n\nus-gaap:TreasuryStockCommonMember\n\n2026-01-01\n2026-03-31\n\nxbrli:shares\n\niso4217:USD\n\niso4217:USD\n\nxbrli:shares\n\niwsh:Segment\n\n \n\n \n\nUNITED STATES\n\nSECURITIES AND EXCHANGE COMMISSION\n\nWASHINGTON, D.C. 20549\n\n \n\nFORM 10-Q\n\n(Mark One)\n\n \n\n☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934\n\n   \n\n  For the quarterly period ended March 31, 2026\n\n   \n\nor\n\n \n\n☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934\n\n   \n\n  For the transition period from _____ to _____\n\n \n\nCommission File Number: 000-50587\n\n \n\nWRIGHT INVESTORS’ SERVICE HOLDINGS, INC.\n\n(Exact Name of Registrant as Specified in its Charter)\n\n \n\nDelaware   13-4005439\n\n(State or other jurisdiction of\n\nincorporation or organization)\n \n(I.R.S. Employer\n\nIdentification No.)\n\n \n\n118 North Bedford Road, Ste. 100, Mount Kisco, NY 10549\n\n(Address of principal executive offices) (Zip code)\n\n \n\n(914) 242-5700\n\n(Registrant’s telephone number, including area code)\n\n \n\nIndicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 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\n \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 S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒  No ☐\n\n \n\nIndicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or, an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer”, “smaller reporting company”, and “emerging growth company”, in Rule 12b-2 of the Exchange Act.\n\n \n\nLarge accelerated filer ☐   Accelerated filer ☐\n\nNon-accelerated filer ☒   Smaller reporting company ☒\n\n    Emerging 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\n \n\nIndicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C 7262(b)) by the registered public accounting firm that prepared or issued its audit report.  ☐ \n\n \n\n   \n\n \n\n \n\nIf securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements.  Yes ☐     No ☐\n\n \n\nIndicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant’s executive officers during the relevant recovery period. Yes ☐     No ☐\n\n \n\nIndicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☒  No ¨\n\n \n\nSecurities registered pursuant to Section 12(b) of the Act:              None \n\n \n\nSecurities registered pursuant to Section 12(g) of the Act:\n\n \n\nTitle of each class Trading Symbol (s) Name of each exchange on which registered\n\n     \n\nCommon Stock, $0.01 par value IWSH OTC Markets Group Inc. (OTC Pink Sheets)\n\n \n\nAs of May 15, 2026, there were 20,620,711 shares of the registrant’s common stock, $0.01 par value, outstanding. \n\n \n\n \n\n   \n\n \n\n \n\nWRIGHT INVESTORS’ SERVICE HOLDINGS, INC.\n\n \n\nTABLE OF CONTENTS\n\n \n\n \nPart I.  Financial Information\nPage No."}