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    Boundless Bio, Inc.

    Company overview

    Market capitalization
    $59.37M
    Employees
    28
    Latest publication
    2026-09-29
    About Boundless Bio, Inc.

    Boundless Bio, Inc., a clinical-stage oncology company, develops interrogating extrachromosomal DNA (ecDNA) directed therapies for treating patients with oncogene amplified cancers. Its lead product candidate is BBI-940, an ecDNA-directed therapeutic candidate (ecDTx) that is in Phase 1/2 clinical trial in patients with estrogen receptor positive and human epidermal growth factor receptor 2 negative breast cancer, as well as patients with triple-negative breast cancer luminal androgen receptor subtype. The company was formerly known as Pretzel Therapeutics, Inc. and changed its name to Boundless Bio, Inc. in July 2019. Boundless Bio, Inc. was incorporated in 2018 and is headquartered in San Diego, California.

    Company website

    Financial statements

    Income 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
    Total Revenue0USD0USD0USD0USD0USD1,056,000USD0USD0USD
    Cost Of Revenue284,000USD307,000USD310,000USD317,000USD317,000USD296,000USD262,000USD265,000USD
    Gross Profit-284,000USD-307,000USD-310,000USD-317,000USD-317,000USD528,000USD-262,000USD-265,000USD
    Research Development9,734,000USD10,443,000USD10,363,000USD11,901,000USD12,138,000USD13,314,000USD14,089,000USD14,470,000USD
    Selling General Administrative4,741,000USD4,186,000USD4,475,000USD4,843,000USD5,203,000USD4,964,000USD4,626,000USD4,656,000USD
    Total Operating Expenses14,191,000USD13,695,000USD14,838,000USD16,744,000USD17,341,000USD18,278,000USD18,715,000USD19,126,000USD
    Operating Income-14,475,000USD-14,002,000USD-15,148,000USD-17,061,000USD-17,341,000USD-18,278,000USD-18,715,000USD-19,391,000USD
    Interest Income920,000USD1,117,000USD1,269,000USD1,386,000USD1,585,000USD1,915,000USD2,174,000USD2,382,000USD
    Net Interest Income920,000USD1,117,000USD1,269,000USD1,386,000USD1,585,000USD1,915,000USD2,174,000USD2,382,000USD
    Income Before Tax-13,555,000USD-12,885,000USD-13,879,000USD-15,675,000USD-15,758,000USD-16,448,000USD-16,509,000USD-16,976,000USD
    Net Income-13,555,000USD-12,885,000USD-13,879,000USD-15,675,000USD-15,758,000USD-16,448,000USD-16,509,000USD-16,976,000USD
    Net Income From Continuing Ops-13,555,000USD-12,885,000USD-13,879,000USD-15,675,000USD-15,758,000USD-16,448,000USD-16,509,000USD-16,976,000USD
    Ebit-13,555,000USD-12,885,000USD-13,879,000USD-15,675,000USD-15,758,000USD-16,448,000USD-16,509,000USD-16,976,000USD
    Ebitda-13,271,000USD-12,578,000USD-13,569,000USD-15,358,000USD-15,441,000USD-16,152,000USD-16,247,000USD-16,711,000USD
    Depreciation And Amortization284,000USD307,000USD310,000USD317,000USD317,000USD296,000USD262,000USD265,000USD
    Reconciled Depreciation284,000USD307,000USD310,000USD317,000USD317,000USD296,000USD262,000USD265,000USD
    Total Other Income Expense Net920,000USD1,117,000USD1,269,000USD1,386,000USD1,583,000USD1,830,000USD2,206,000USD2,415,000USD
    SourceLegacy providerLegacyLegacy 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 20212021-12-31 · USDFY 20172017-12-31 · USDFY 20162016-12-31 · USD
    Total Revenue0USD0USD0USD——
    Cost Of Revenue1,251,000USD942,000USD682,000USD——
    Gross Profit-1,251,000USD-942,000USD-682,000USD——
    Research Development44,845,000USD37,159,000USD19,278,000USD75,902,000USD48,770,000USD
    Selling General Administrative18,707,000USD9,310,000USD6,023,000USD17,275,000USD11,276,000USD
    Unclassified Operating Expenses-1,251,000USD————
    Total Operating Expenses62,301,000USD46,469,000USD25,301,000USD93,177,000USD60,046,000USD
    Operating Income-63,552,000USD-46,469,000USD-25,301,000USD-93,177,000USD-60,046,000USD
    Interest Income5,357,000USD668,000USD96,000USD——
    Net Interest Income5,357,000USD668,000USD96,000USD——
    Income Before Tax-58,197,000USD-45,901,000USD-25,210,000USD-92,484,000USD-59,668,000USD
    Net Income-58,197,000USD-45,901,000USD-25,210,000USD-90,238,000USD-59,668,000USD
    Net Income From Continuing Ops-58,197,000USD-45,901,000USD-25,210,000USD——
    Ebit-58,197,000USD-45,901,000USD-25,210,000USD-92,484,000USD-59,668,000USD
    Ebitda-56,946,000USD-44,959,000USD-24,528,000USD-88,736,000USD-58,089,000USD
    Depreciation And Amortization1,251,000USD942,000USD682,000USD3,748,000USD1,579,000USD
    Reconciled Depreciation1,251,000USD942,000USD682,000USD——
    Total Other Income Expense Net5,355,000USD568,000USD91,000USD693,000USD378,000USD
    Income Tax Expense—-668,000USD-96,000USD-2,246,000USD378,000USD
    SourceLegacy providerLegacyLegacy 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 Assets73,744,000USD140,970,000USD157,059,000USD168,721,000USD179,453,000USD191,242,000USD206,409,000USD175,093,000USD
    Cash And Equivalents20,213,000USD———————
    Cash And Short Term Investments72,626,000USD92,847,000USD107,581,000USD117,570,000USD127,148,000USD138,253,000USD152,114,000USD167,135,000USD
    Short Term Investments52,413,000USD75,364,000USD89,713,000USD102,590,000USD112,451,000USD123,136,000USD125,527,000USD126,921,000USD
    Total Current Assets73,647,000USD94,616,000USD109,611,000USD120,156,000USD129,690,000USD140,364,000USD154,390,000USD170,449,000USD
    Other Current Assets1,021,000USD1,769,000USD2,030,000USD2,586,000USD2,542,000USD2,111,000USD2,276,000USD3,314,000USD
    Total Liabilities7,768,000USD———————
    Total Current Liabilities7,768,000USD9,583,000USD12,537,000USD11,845,000USD9,213,000USD6,338,000USD8,135,000USD10,010,000USD
    Total Stockholder Equity65,976,000USD86,383,000USD98,654,000USD110,169,000USD122,691,000USD136,592,000USD150,642,000USD165,083,000USD
    Total Equity Including Noncontrolling Interest65,976,000USD———————
    Property Plant Equipment Net97,000USD45,771,000USD46,875,000USD47,979,000USD49,159,000USD50,268,000USD51,360,000USD4,068,000USD
    Accounts Payable4,995,000USD2,035,000USD1,491,000USD1,136,000USD2,294,000USD1,366,000USD1,274,000USD2,542,000USD
    Short Term Debt0USD3,284,000USD3,167,000USD3,052,000USD1,961,000USD262,000USD—121,000USD
    Common Stock2,000USD2,000USD2,000USD2,000USD2,000USD2,000USD2,000USD2,000USD
    Retained Earnings-296,917,000USD-273,224,000USD-259,669,000USD-246,784,000USD-232,905,000USD-217,230,000USD-201,472,000USD-185,024,000USD
    Accumulated Other Comprehensive Income-32,000USD-23,000USD64,000USD50,000USD-4,000USD32,000USD121,000USD236,000USD
    Total Liab—54,587,000USD58,405,000USD58,552,000USD56,762,000USD54,650,000USD55,767,000USD10,010,000USD
    Other Current Liab—4,264,000USD7,879,000USD7,657,000USD4,958,000USD4,710,000USD6,861,000USD7,347,000USD
    Capital Stock—2,000USD2,000USD2,000USD2,000USD2,000USD2,000USD2,000USD
    Cash—17,483,000USD17,868,000USD14,980,000USD14,697,000USD15,117,000USD26,587,000USD40,214,000USD
    Net Debt—30,805,000USD31,167,000USD34,779,000USD34,813,000USD33,457,000USD21,045,000USD-40,093,000USD
    Short Long Term Debt Total—48,288,000USD49,035,000USD49,759,000USD49,510,000USD48,574,000USD47,632,000USD121,000USD
    Property Plant Equipment Gross—51,004,000USD51,835,000USD52,630,000USD53,502,000USD54,293,000USD55,069,000USD7,585,000USD
    Common Stock Shares Outstanding—22,407,000shares22,360,000shares22,386,000shares22,356,000shares22,300,000shares16,984,000shares22,254,000shares
    Non Current Assets Total—46,354,000USD47,448,000USD48,565,000USD49,763,000USD50,878,000USD52,019,000USD4,644,000USD
    Non Current Liabilities Total—45,004,000USD45,868,000USD46,707,000USD47,549,000USD48,312,000USD47,632,000USD0USD
    Non Currrent Assets Other—583,000USD573,000USD26,000USD44,000USD610,000USD659,000USD576,000USD
    Net Working Capital—85,033,000USD97,074,000USD108,311,000USD120,477,000USD134,026,000USD146,255,000USD160,439,000USD
    Unclassified Non Current Liabilities—45,004,000USD45,868,000USD46,707,000USD47,549,000USD48,312,000USD47,632,000USD—
    Unclassified Equity—359,626,000USD358,255,000USD356,899,000USD355,596,000USD353,786,000USD351,989,000USD349,867,000USD
    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 20182018-12-31 · USDFY 20172017-12-31 · USDFY 20162016-12-31 · USD
    Total Assets157,059,000USD206,409,000USD129,894,000USD76,829,000USD113,719,000USD472,555,000USD178,662,000USD142,057,000USD
    Other Current Assets2,030,000USD2,276,000USD3,452,000USD1,320,000USD1,537,000USD5,465,000USD3,405,000USD3,554,000USD
    Total Liab58,405,000USD55,767,000USD256,976,000USD158,525,000USD151,908,000USD29,801,000USD22,064,000USD22,686,000USD
    Total Stockholder Equity98,654,000USD150,642,000USD-127,082,000USD-81,696,000USD-38,189,000USD442,754,000USD156,598,000USD119,371,000USD
    Other Current Liab7,879,000USD6,861,000USD4,942,000USD3,988,000USD2,415,000USD-2,048,000USD-1,908,000USD3,931,000USD
    Common Stock2,000USD2,000USD2,000USD2,000USD2,000USD300,000,000USD300,000,000USD300,000,000USD
    Capital Stock2,000USD2,000USD2,000USD2,000USD2,000USD———
    Retained Earnings-259,669,000USD-201,472,000USD-136,109,000USD-86,675,000USD-40,774,000USD-319,470,000USD-190,649,000USD-100,411,000USD
    Cash17,868,000USD26,587,000USD23,706,000USD10,951,000USD34,289,000USD144,349,000USD38,967,000USD36,359,000USD
    Cash And Short Term Investments107,581,000USD152,114,000USD120,752,000USD66,717,000USD73,033,000USD414,307,000USD133,605,000USD104,883,000USD
    Total Current Assets109,611,000USD154,390,000USD124,204,000USD68,037,000USD74,570,000USD419,772,000USD137,010,000USD108,437,000USD
    Total Current Liabilities12,537,000USD8,135,000USD9,359,000USD7,728,000USD3,867,000USD23,852,000USD17,712,000USD12,560,000USD
    Net Debt31,167,000USD21,045,000USD-21,511,000USD-5,768,000USD-33,912,000USD-137,284,000USD-31,789,000USD-33,608,000USD
    Short Term Debt3,167,000USD—2,195,000USD2,338,000USD377,000USD2,345,000USD4,643,000USD265,000USD
    Short Long Term Debt Total49,035,000USD47,632,000USD2,195,000USD5,183,000USD377,000USD7,065,000USD7,178,000USD2,751,000USD
    Short Term Investments89,713,000USD125,527,000USD97,046,000USD55,766,000USD38,744,000USD269,958,000USD94,638,000USD68,524,000USD
    Accounts Payable1,491,000USD1,274,000USD2,222,000USD1,402,000USD1,075,000USD8,123,000USD3,853,000USD2,424,000USD
    Property Plant Equipment Net46,875,000USD51,360,000USD4,575,000USD7,726,000USD3,095,000USD32,099,000USD24,372,000USD18,936,000USD
    Property Plant Equipment Gross51,835,000USD55,069,000USD7,302,000USD9,537,000USD4,241,000USD———
    Accumulated Other Comprehensive Income64,000USD121,000USD40,000USD-398,000USD-175,000USD-60,000USD-80,000USD-29,000USD
    Common Stock Shares Outstanding22,360,000shares16,984,000shares22,239,333shares22,239,333shares22,239,333shares44,028,010shares26,578,162shares10,673,559shares
    Non Current Assets Total47,448,000USD52,019,000USD5,690,000USD8,792,000USD39,149,000USD52,783,000USD41,652,000USD33,620,000USD
    Non Current Liabilities Total45,868,000USD47,632,000USD247,617,000USD150,797,000USD148,041,000USD10,454,000USD6,084,000USD7,523,000USD
    Non Currrent Assets Other573,000USD659,000USD555,000USD1,066,000USD1,066,000USD6,432,000USD3,093,000USD1,841,000USD
    Net Working Capital97,074,000USD146,255,000USD114,845,000USD60,309,000USD70,703,000USD———
    Unclassified Non Current Liabilities45,868,000USD47,632,000USD247,617,000USD150,791,000USD147,946,000USD10,454,000USD6,084,000USD7,523,000USD
    Unclassified Equity358,255,000USD351,989,000USD8,983,000USD5,373,000USD2,756,000USD462,284,000USD47,327,000USD-80,189,000USD
    Current Deferred Revenue———3,895,000USD2,209,000USD7,716,000USD5,562,000USD2,970,000USD
    Long Term Investments———0USD34,988,000USD———
    Non Current Liabilities Other———6,000USD95,000USD———
    Unclassified Current Liabilities———-3,895,000USD-2,209,000USD5,668,000USD3,654,000USD2,970,000USD
    Intangible Assets—————8,000,000USD8,000,000USD8,000,000USD
    Good Will—————3,631,000USD3,631,000USD3,631,000USD
    Unclassified Non Current Assets—————2,621,000USD2,556,000USD1,212,000USD
    SourceLegacy providerLegacyLegacy 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-13,555,000USD-12,885,000USD-13,879,000USD-15,675,000USD-15,758,000USD-16,448,000USD-16,509,000USD-16,976,000USD
    Depreciation284,000USD307,000USD310,000USD317,000USD317,000USD296,000USD262,000USD265,000USD
    Stock Based Compensation1,371,000USD1,332,000USD1,303,000USD1,693,000USD1,797,000USD2,008,000USD2,045,000USD2,135,000USD
    Other Non Cash Items1,867,000USD308,000USD224,000USD125,000USD41,000USD-293,000USD-682,000USD-1,073,000USD
    Change In Working Capital-3,568,000USD831,000USD1,847,000USD1,711,000USD-927,000USD-1,126,000USD1,618,000USD-587,000USD
    Total Cash From Operating Activities-14,972,000USD-10,107,000USD-10,195,000USD-11,829,000USD-14,530,000USD-15,563,000USD-13,266,000USD-16,236,000USD
    Capital Expenditures-8,000USD-424,000USD-15,000USD-48,000USD-59,000USD-466,000USD-483,000USD-1,504,000USD
    Free Cash Flow-14,980,000USD-10,531,000USD-10,210,000USD-11,877,000USD-14,589,000USD-16,029,000USD-13,749,000USD-17,740,000USD
    Investments14,595,000USD13,395,000USD10,478,000USD11,292,000USD3,060,000USD1,823,000USD22,130,000USD-68,191,000USD
    Total Cashflows From Investing Activities14,587,000USD12,971,000USD10,478,000USD11,292,000USD3,060,000USD1,823,000USD22,130,000USD-68,191,000USD
    Change In Cash-385,000USD2,888,000USD283,000USD-420,000USD-11,470,000USD-13,627,000USD8,851,000USD6,220,000USD
    Begin Period Cash Flow17,868,000USD15,540,000USD15,257,000USD15,677,000USD27,147,000USD40,774,000USD31,923,000USD25,143,000USD
    End Period Cash Flow17,483,000USD18,428,000USD15,540,000USD15,257,000USD15,677,000USD27,147,000USD40,774,000USD31,363,000USD
    Unclassified Operating Cash Flow-1,371,000USD———————
    Total Cash From Financing Activities—24,000USD0USD117,000USD0USD113,000USD-13,000USD90,647,000USD
    Sale Purchase Of Stock—24,000USD—117,000USD————
    Issuance Of Capital Stock—0USD0USD——0USD0USD—
    Other Cashflows From Financing Activities—24,000USD—117,000USD—113,000USD-13,000USD90,647,000USD
    Unclassified Investing Cash Flow———————1,504,000USD
    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 20182018-12-31 · USDFY 20172017-12-31 · USDFY 20162016-12-31 · USD
    Net Income-58,197,000USD-65,363,000USD-49,434,000USD-45,901,000USD-25,210,000USD-128,821,000USD-90,238,000USD-59,668,000USD
    Depreciation1,251,000USD1,086,000USD957,000USD942,000USD682,000USD7,456,000USD3,748,000USD1,579,000USD
    Stock Based Compensation6,125,000USD7,516,000USD3,336,000USD2,290,000USD1,158,000USD16,495,000USD6,880,000USD2,004,000USD
    Other Non Cash Items698,000USD-2,402,000USD-915,000USD2,207,000USD959,000USD-279,730,000USD-30,566,000USD7,069,000USD
    Change In Working Capital3,462,000USD-1,678,000USD-799,000USD866,000USD-837,000USD276,622,000USD23,421,000USD95,206,000USD
    Total Cash From Operating Activities-46,661,000USD-60,841,000USD-46,855,000USD-39,596,000USD-23,248,000USD-107,978,000USD-84,509,000USD-49,016,000USD
    Capital Expenditures-546,000USD-2,536,000USD-633,000USD-1,066,000USD-2,034,000USD-11,609,000USD-7,551,000USD-16,651,000USD
    Free Cash Flow-47,207,000USD-63,377,000USD-47,488,000USD-40,662,000USD-25,282,000USD-119,587,000USD-92,060,000USD-65,667,000USD
    Investments38,347,000USD-26,101,000USD-38,260,000USD16,132,000USD-59,285,000USD———
    Total Cashflows From Investing Activities37,801,000USD-26,101,000USD-38,260,000USD16,132,000USD-59,285,000USD-185,048,000USD-33,436,000USD-62,048,000USD
    Total Cash From Financing Activities141,000USD89,823,000USD97,897,000USD126,000USD105,526,000USD398,462,000USD120,553,000USD75,365,000USD
    Sale Purchase Of Stock141,000USD110,000USD———-144,349,000USD-38,967,000USD-36,359,000USD
    Issuance Of Capital Stock0USD93,000,000USD99,671,000USD0USD105,318,000USD———
    Change In Cash-8,719,000USD2,881,000USD12,782,000USD-23,338,000USD22,993,000USD105,436,000USD2,608,000USD-35,699,000USD
    Begin Period Cash Flow27,147,000USD24,266,000USD11,484,000USD34,289,000USD11,829,000USD38,913,000USD36,359,000USD72,058,000USD
    End Period Cash Flow18,428,000USD27,147,000USD24,266,000USD10,951,000USD34,822,000USD144,349,000USD38,967,000USD36,359,000USD
    Other Cashflows From Financing Activities141,000USD-3,177,000USD97,897,000USD126,000USD105,526,000USD398,462,000USD120,553,000USD75,365,000USD
    Unclassified Investing Cash Flow—2,536,000USD—1,066,000USD2,034,000USD-173,439,000USD-25,885,000USD-45,413,000USD
    Unclassified Financing Cash Flow—92,890,000USD-99,671,000USD—-105,318,000USD144,349,000USD38,967,000USD36,359,000USD
    Unclassified Operating Cash Flow——————2,246,000USD-95,206,000USD
    Other Cashflows From Investing Activities———————16,000USD
    SourceLegacy providerLegacyLegacy 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.