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    RLYB

    Rallybio Corp

    Company overview

    Market capitalization
    $90.54M
    Employees
    9
    Latest publication
    2026-09-29
    About Rallybio Corp

    Rallybio Corporation, a clinical-stage biotechnology company, engages in the development and commercialization of life-transforming therapies for patients suffering from severe and rare diseases. Its lead product candidate is the RLYB116, an inhibitor of complement component 5 (C5) to treat several diseases of complement dysregulation which has completed phase 1 trial; and RLYB332, a preclinical antibody, for the treatment of severe anemia with ineffective erythropoiesis and iron overload. The company has a strategic alliance with AbCellera to discover, develop, and commercialize novel antibody-based therapeutics for rare diseases, as well as collaboration agreement with Johnson & Johnson to provide therapeutic solutions for pregnant individuals at risk of fetal and neonatal alloimmune thrombocytopenia. Rallybio Corporation was founded in 2018 and is headquartered in New Haven, Connecticut.

    Company website

    Financial statements

    Income Quarterly

    Exact reported values; units shown beside each amount. Missing values are —.
    MetricQ2 20262026-06-30 · USDQ4 20242024-12-31 · USDQ3 20242024-09-30 · USDQ2 20242024-06-30 · USDQ1 20242024-03-31 · USDQ4 20232023-12-31 · USDQ3 20232023-09-30 · USDQ2 20232023-06-30 · USD
    Total Revenue0USD38,000USD299,000USD299,000USD0USD228,000USD0USD0USD
    Research Development758,000USD7,355,000USD8,240,000USD12,912,000USD12,901,000USD15,924,000USD13,288,000USD13,130,000USD
    General And Administrative Expenses4,895,000USD———————
    Total Operating Expenses5,653,000USD11,616,000USD12,365,000USD17,300,000USD19,752,000USD21,112,000USD19,363,000USD20,083,000USD
    Operating Income-5,653,000USD-11,608,000USD-12,066,000USD-17,035,000USD-19,787,000USD-21,112,000USD-19,363,000USD-20,083,000USD
    Total Other Income Expense Net50,642,000USD564,000USD600,000USD799,000USD758,000USD870,000USD989,000USD1,453,000USD
    Income Before Tax44,989,000USD-11,044,000USD-11,466,000USD-16,236,000USD-19,029,000USD-20,242,000USD-18,374,000USD-18,630,000USD
    Income Tax Expense1,324,000USD-430,000USD—487,000USD685,000USD613,000USD-37,000USD217,000USD
    Equity Method Income Loss0USD———————
    Net Income43,665,000USD-11,044,000USD-11,466,000USD-16,236,000USD-19,029,000USD-20,242,000USD-18,374,000USD-18,630,000USD
    Cost Of Revenue—30,000USD32,000USD34,000USD35,000USD114,000USD37,000USD38,000USD
    Gross Profit—8,000USD299,000USD265,000USD-35,000USD114,000USD-37,000USD-38,000USD
    Selling General Administrative—4,261,000USD4,125,000USD4,388,000USD6,851,000USD5,188,000USD6,075,000USD6,953,000USD
    Interest Income—811,000USD986,000USD1,143,000USD1,276,000USD1,448,000USD1,545,000USD1,608,000USD
    Net Interest Income—811,000USD986,000USD1,143,000USD1,276,000USD1,448,000USD1,545,000USD1,608,000USD
    Net Income From Continuing Ops—-11,044,000USD-11,466,000USD-16,236,000USD-19,029,000USD-20,242,000USD-18,374,000USD-18,413,000USD
    Ebit—-11,608,000USD-12,066,000USD-17,035,000USD-19,787,000USD-21,112,000USD-19,363,000USD-20,083,000USD
    Ebitda—-11,578,000USD-12,034,000USD-17,001,000USD-19,752,000USD-21,076,000USD-19,326,000USD-20,045,000USD
    Depreciation And Amortization—30,000USD32,000USD34,000USD35,000USD36,000USD37,000USD38,000USD
    Reconciled Depreciation—30,000USD32,000USD34,000USD35,000USD36,000USD37,000USD38,000USD
    Interest Expense—————1,658,000USD——
    Non Operating Income Net Other———————1,242,000USD
    Net Income Applicable To Common Shares———————-18,630,000USD
    SourceDisclosureDeterministicFinalLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacy

    Income Yearly

    Exact reported values; units shown beside each amount. Missing values are —.
    MetricFY 20252025-12-31 · USDFY 20222022-12-31 · USDFY 20202020-12-31 · USDFY 20192019-12-31 · USD
    Total Revenue858,000USD0USD0USD0USD
    Cost Of Revenue92,000USD167,000USD62,030USD26,344USD
    Gross Profit766,000USD-167,000USD-62,030USD-26,344USD
    Research Development19,597,000USD40,689,000USD17,630,000USD11,366,000USD
    Selling General Administrative14,325,000USD27,195,000USD7,673,000USD6,276,000USD
    Unclassified Operating Expenses-5,092,000USD———
    Total Operating Expenses28,830,000USD67,884,000USD25,303,000USD17,642,000USD
    Operating Income-28,064,000USD-67,884,000USD-25,303,000USD-17,642,000USD
    Interest Income2,189,000USD1,963,000USD171,000USD197,000USD
    Net Interest Income2,189,000USD1,963,000USD122,000USD158,000USD
    Income Before Tax-8,978,000USD-67,729,000USD-26,462,000USD-17,460,000USD
    Net Income-8,978,000USD-66,654,000USD-26,447,000USD-17,626,000USD
    Net Income From Continuing Ops-8,978,000USD-65,579,000USD-26,447,000USD-17,563,000USD
    Ebit-28,064,000USD-67,884,000USD-25,303,000USD-17,421,000USD
    Ebitda-27,972,000USD-67,717,000USD-25,241,000USD-17,394,656USD
    Depreciation And Amortization92,000USD167,000USD62,000USD26,344USD
    Reconciled Depreciation92,000USD167,000USD62,000USD26,000USD
    Total Other Income Expense Net19,086,000USD1,230,000USD-1,159,000USD79,000USD
    Interest Expense—2,305,000USD49,000USD39,000USD
    Income Tax Expense—-1,075,000USD-15,000USD166,000USD
    Non Operating Income Net Other—1,016,000USD——
    Net Income Applicable To Common Shares—-66,654,000USD-26,447,000USD-17,563,000USD
    Tax Provision——-15,000USD0USD
    SourceLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacy

    Balance sheet Quarterly

    Exact reported values; units shown beside each amount. Missing values are —.
    MetricQ2 20262026-06-30 · USDQ1 20262026-03-31 · USDQ4 20252025-12-31 · USDQ3 20252025-09-30 · USDQ2 20252025-06-30 · USDQ1 20252025-03-31 · USDQ4 20242024-12-31 · USDQ3 20242024-09-30 · USD
    Total Assets98,063,000USD54,472,000USD62,261,000USD67,661,000USD51,003,000USD57,983,000USD68,108,000USD79,007,000USD
    Cash And Equivalents92,849,000USD———————
    Cash And Short Term Investments92,849,000USD46,795,000USD54,736,000USD59,319,000USD45,749,000USD54,495,000USD65,511,000USD75,139,000USD
    Short Term Investments0USD5,496,000USD23,362,000USD27,197,000USD36,304,000USD39,716,000USD51,608,000USD49,819,000USD
    Total Current Assets97,253,000USD53,490,000USD61,253,000USD66,627,000USD50,265,000USD57,381,000USD67,841,000USD78,230,000USD
    Other Current Assets4,404,000USD6,695,000USD6,517,000USD7,308,000USD4,516,000USD2,886,000USD2,330,000USD3,091,000USD
    Other Non Current Assets810,000USD———————
    Total Liabilities3,567,000USD———————
    Total Current Liabilities3,567,000USD4,140,000USD4,223,000USD4,519,000USD5,039,000USD3,910,000USD6,242,000USD8,189,000USD
    Other Current Liabilities1,465,000USD———————
    Total Stockholder Equity94,496,000USD50,277,000USD57,956,000USD63,034,000USD45,964,000USD54,073,000USD61,654,000USD70,818,000USD
    Total Equity Including Noncontrolling Interest94,496,000USD———————
    Deferred Revenue0USD———————
    Property Plant Equipment Net0USD172,000USD198,000USD224,000USD112,000USD189,000USD267,000USD346,000USD
    Accounts Payable833,000USD940,000USD126,000USD269,000USD119,000USD400,000USD278,000USD583,000USD
    Short Term Debt0USD99,000USD94,000USD90,000USD58,000USD116,000USD154,000USD230,000USD
    Common Stock4,000USD4,000USD4,000USD4,000USD4,000USD4,000USD4,000USD4,000USD
    Retained Earnings-266,611,000USD-310,276,000USD-301,998,000USD-296,146,000USD-312,162,000USD-302,459,000USD-293,020,000USD-281,976,000USD
    Accumulated Other Comprehensive Income0USD1,000USD18,000USD24,000USD17,000USD47,000USD68,000USD169,000USD
    Total Liab—4,195,000USD4,305,000USD4,627,000USD5,039,000USD3,910,000USD6,454,000USD8,189,000USD
    Other Current Liab—3,101,000USD3,791,000USD3,736,000USD4,226,000USD2,546,000USD4,962,000USD10,138,000USD
    Capital Stock—4,000USD4,000USD4,000USD4,000USD4,000USD4,000USD4,000USD
    Cash—41,299,000USD31,374,000USD32,122,000USD9,445,000USD14,779,000USD13,903,000USD25,320,000USD
    Net Debt—-41,145,000USD-31,198,000USD-31,924,000USD-9,387,000USD-14,663,000USD-13,749,000USD-25,090,000USD
    Short Long Term Debt Total—154,000USD176,000USD198,000USD58,000USD116,000USD154,000USD230,000USD
    Property Plant Equipment Gross—172,000USD678,000USD224,000USD112,000USD189,000USD921,000USD346,000USD
    Common Stock Shares Outstanding—5,688,584shares5,283,321shares5,632,324shares5,605,143shares5,596,825shares5,582,577shares5,574,153shares
    Non Current Assets Total—982,000USD1,008,000USD1,034,000USD738,000USD602,000USD267,000USD777,000USD
    Non Current Liabilities Total—55,000USD82,000USD108,000USD0USD0USD212,000USD0USD
    Non Currrent Assets Other—810,000USD810,000USD810,000USD626,000USD——431,000USD
    Net Working Capital—49,350,000USD57,030,000USD62,108,000USD45,226,000USD53,471,000USD61,599,000USD70,041,000USD
    Unclassified Equity—360,544,000USD359,928,000USD359,148,000USD358,101,000USD356,477,000USD354,598,000USD352,617,000USD
    Current Deferred Revenue——212,000USD424,000USD636,000USD848,000USD848,000USD1,097,000USD
    Long Term Investments————626,000USD413,000USD0USD431,000USD
    Unclassified Current Liabilities———————-3,859,000USD
    SourceDisclosureDeterministicFinalLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacy

    Balance sheet Yearly

    Exact reported values; units shown beside each amount. Missing values are —.
    MetricFY 20252025-12-31 · USDFY 20242024-12-31 · USDFY 20232023-12-31 · USDFY 20222022-12-31 · USDFY 20212021-12-31 · USDFY 20202020-12-31 · USDFY 20192019-12-31 · USD
    Total Assets62,261,000USD68,108,000USD115,620,000USD180,435,000USD182,185,000USD141,858,000USD21,607,000USD
    Other Current Assets6,517,000USD2,330,000USD4,860,000USD10,502,000USD5,535,000USD1,028,000USD1,462,000USD
    Total Liab4,305,000USD6,454,000USD9,436,000USD11,118,000USD6,583,000USD5,855,000USD4,747,000USD
    Total Stockholder Equity57,956,000USD61,654,000USD106,184,000USD169,317,000USD175,602,000USD136,003,000USD16,860,000USD
    Other Current Liab3,791,000USD4,962,000USD8,068,000USD9,449,000USD5,948,000USD4,264,000USD2,949,000USD
    Common Stock4,000USD4,000USD4,000USD4,000USD3,000USD2,000USD230,000USD
    Capital Stock4,000USD4,000USD4,000USD4,000USD3,000USD2,000USD—
    Retained Earnings-301,998,000USD-293,020,000USD-235,245,000USD-160,681,000USD-94,027,000USD-47,014,000USD-20,567,000USD
    Cash31,374,000USD13,903,000USD24,494,000USD56,958,000USD175,334,000USD140,233,000USD19,458,000USD
    Cash And Short Term Investments54,736,000USD65,511,000USD109,929,000USD168,994,000USD175,334,000USD140,233,000USD19,458,000USD
    Total Current Assets61,253,000USD67,841,000USD114,789,000USD179,496,000USD180,869,000USD141,261,000USD20,920,000USD
    Total Current Liabilities4,223,000USD6,242,000USD9,263,000USD10,744,000USD6,551,000USD5,843,000USD3,806,000USD
    Current Deferred Revenue212,000USD848,000USD—————
    Net Debt-31,198,000USD-13,749,000USD-24,102,000USD-56,403,000USD-175,334,000USD-140,233,000USD-19,458,000USD
    Short Term Debt94,000USD154,000USD219,000USD181,000USD———
    Short Long Term Debt Total176,000USD154,000USD392,000USD555,000USD———
    Short Term Investments23,362,000USD51,608,000USD85,435,000USD112,036,000USD0USD——
    Accounts Payable126,000USD278,000USD976,000USD1,114,000USD603,000USD1,579,000USD857,000USD
    Property Plant Equipment Net198,000USD267,000USD592,000USD909,000USD511,000USD287,000USD199,000USD
    Property Plant Equipment Gross678,000USD921,000USD1,115,000USD1,282,000USD717,000USD287,000USD199,000USD
    Accumulated Other Comprehensive Income18,000USD68,000USD15,000USD-214,000USD0USD-230,031,000USD56,000USD
    Common Stock Shares Outstanding5,629,370shares5,443,125shares5,055,924shares3,977,664shares4,016,246shares2,780,610shares2,780,610shares
    Non Current Assets Total1,008,000USD267,000USD831,000USD939,000USD1,316,000USD597,000USD687,000USD
    Non Current Liabilities Total82,000USD212,000USD173,000USD374,000USD32,000USD12,000USD941,000USD
    Non Currrent Assets Other810,000USD—239,000USD30,000USD805,000USD——
    Net Working Capital57,030,000USD61,599,000USD105,526,000USD168,752,000USD174,318,000USD135,418,000USD17,114,000USD
    Unclassified Equity359,928,000USD354,598,000USD341,406,000USD330,204,000USD269,623,000USD413,044,000USD37,141,000USD
    Long Term Investments—0USD239,000USD30,000USD805,000USD310,000USD488,000USD
    Net Tangible Assets———169,317,000USD175,602,000USD-46,024,000USD-20,281,000USD
    Other Liab————32,000USD12,000USD941,000USD
    Other Assets————182,185,000USD—0USD
    Unclassified Non Current Assets————-182,990,000USD——
    SourceLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacy

    Cash flow Quarterly

    Exact reported values; units shown beside each amount. Missing values are —.
    MetricQ1 20262026-03-31 · USDQ4 20252025-12-31 · USDQ3 20252025-09-30 · USDQ2 20252025-06-30 · USDQ1 20252025-03-31 · USDQ4 20242024-12-31 · USDQ3 20242024-09-30 · USDQ2 20242024-06-30 · USD
    Net Income-8,278,000USD-5,852,000USD16,016,000USD-9,703,000USD-9,439,000USD-11,044,000USD-11,466,000USD-16,236,000USD
    Depreciation3,000USD3,000USD35,000USD26,000USD28,000USD30,000USD32,000USD34,000USD
    Stock Based Compensation613,000USD774,000USD1,047,000USD1,614,000USD1,879,000USD1,963,000USD2,027,000USD1,915,000USD
    Other Non Cash Items-51,000USD-97,000USD-22,463,000USD134,000USD377,000USD114,000USD963,000USD71,000USD
    Change In Working Capital-265,000USD493,000USD-1,185,000USD-450,000USD-3,050,000USD-925,000USD-5,101,000USD3,798,000USD
    Total Cash From Operating Activities-7,978,000USD-4,679,000USD-6,550,000USD-8,379,000USD-10,205,000USD-9,862,000USD-13,545,000USD-10,418,000USD
    Capital Expenditures0USD0USD0USD0USD0USD0USD0USD0USD
    Free Cash Flow-7,978,000USD-4,679,000USD-6,550,000USD-8,379,000USD-10,205,000USD-9,862,000USD-13,545,000USD-10,418,000USD
    Investments17,900,000USD3,925,000USD29,227,000USD3,035,000USD11,081,000USD-1,573,000USD22,205,000USD2,596,000USD
    Total Cashflows From Investing Activities17,900,000USD3,925,000USD29,227,000USD3,035,000USD11,081,000USD-1,573,000USD22,205,000USD2,596,000USD
    Total Cash From Financing Activities3,000USD6,000USD0USD10,000USD0USD18,000USD-11,000USD5,192,000USD
    Change In Cash9,925,000USD-748,000USD22,677,000USD-5,334,000USD876,000USD-11,417,000USD8,649,000USD-2,630,000USD
    Begin Period Cash Flow31,374,000USD32,122,000USD9,445,000USD14,779,000USD13,903,000USD25,320,000USD16,671,000USD19,301,000USD
    End Period Cash Flow41,299,000USD31,374,000USD32,122,000USD9,445,000USD14,779,000USD13,903,000USD25,320,000USD16,671,000USD
    Other Cashflows From Financing Activities3,000USD6,000USD———18,000USD-11,000USD5,192,000USD
    Sale Purchase Of Stock—6,000USD—10,000USD—18,000USD44,000USD—
    Issuance Of Capital Stock—0USD0USD——0USD0USD—
    Other Cashflows From Investing Activities—1,000,000USD20,000,000USD-1,500,000USD——-3,500,000USD2,596USD
    Unclassified Investing Cash Flow——-20,000,000USD1,500,000USD——3,500,000USD—
    SourceLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacy

    Cash flow Yearly

    Exact reported values; units shown beside each amount. Missing values are —.
    MetricFY 20252025-12-31 · USDFY 20242024-12-31 · USDFY 20232023-12-31 · USDFY 20222022-12-31 · USDFY 20212021-12-31 · USDFY 20202020-12-31 · USDFY 20192019-12-31 · USD
    Net Income-8,978,000USD-57,775,000USD-74,564,000USD-66,654,000USD-47,013,000USD-26,447,000USD-17,563,000USD
    Depreciation92,000USD131,000USD150,000USD167,000USD109,000USD62,000USD26,000USD
    Stock Based Compensation5,314,000USD7,993,000USD10,920,000USD9,499,000USD3,645,000USD704,000USD194,000USD
    Other Non Cash Items-22,049,000USD627,000USD-1,048,000USD640,000USD1,505,000USD1,522,000USD144,000USD
    Change In Working Capital-4,192,000USD-258,000USD4,277,000USD-936,000USD-3,779,000USD2,120,000USD2,070,000USD
    Total Cash From Operating Activities-29,813,000USD-49,282,000USD-60,265,000USD-57,284,000USD-45,533,000USD-22,039,000USD-15,026,000USD
    Capital Expenditures0USD0USD-12,000USD-54,000USD-333,000USD-137,000USD-188,000USD
    Free Cash Flow-29,813,000USD-49,282,000USD-60,277,000USD-57,338,000USD-45,866,000USD-22,176,000USD-15,214,000USD
    Investments28,768,000USD33,492,000USD-19,897,000USD-112,116,000USD-2,000,000USD-1,935,000USD-1,935,000USD
    Total Cashflows From Investing Activities47,268,000USD33,492,000USD27,658,000USD-112,170,000USD-2,333,000USD-2,072,000USD-188,000USD
    Total Cash From Financing Activities16,000USD5,199,000USD143,000USD51,078,000USD82,967,000USD144,886,000USD31,567,000USD
    Sale Purchase Of Stock16,000USD62,000USD282,000USD217,000USD82,967,000USD——
    Issuance Of Capital Stock0USD5,405,000USD0USD51,533,000USD86,200,000USD145,205,000USD31,600,000USD
    Change In Cash17,471,000USD-10,591,000USD-32,464,000USD-118,376,000USD35,101,000USD120,775,000USD16,353,000USD
    Begin Period Cash Flow13,903,000USD24,494,000USD56,958,000USD175,334,000USD140,233,000USD19,458,000USD3,105,000USD
    End Period Cash Flow31,374,000USD13,903,000USD24,494,000USD56,958,000USD175,334,000USD140,233,000USD19,458,000USD
    Other Cashflows From Investing Activities18,500,000USD-2,000,000USD2,250,000USD-112,116USD-2,000USD-1,935USD—
    Other Cashflows From Financing Activities16,000USD-206,000USD143,000USD-455,000USD-3,233,000USD-319,000USD-33,000USD
    Unclassified Investing Cash Flow—2,000,000USD45,317,000USD———1,935,000USD
    Unclassified Financing Cash Flow—5,343,000USD—51,316,000USD3,233,000USD——
    Change To Liabilities———3,709,000USD728,000USD723,000USD728,000USD
    Cash And Cash Equivalents Changes———-118,376,000USD35,101,000USD——
    SourceLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacy

    Operating metrics

    No operating metrics are currently published for this company.

    Revenue breakdown

    No revenue breakdown is currently published for this company.

    Periods follow company fiscal calendars. Quarterly, annual and year-to-date amounts are shown separately. Missing values are not zero. Data may be delayed, incomplete or corrected; follow the disclosure links to verify figures.