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BillionToOne, Inc. Class A Common Stock (BLLN) — Price History

As of 2026-10-16 — refreshed nightly from the Closelooknet data lake. Diary readings, not advice.

Full Chart ↗

Daily prices

DateOpenHighLowCloseChg %Volume
2026-10-16101.41102.5796.2198.12-4.49%605,600
2026-10-1597.18102.9393.44102.73+4.96%426,100
2026-10-1493.3899.7593.3897.88+3.64%424,900
2026-10-1391.8196.0090.4894.44+1.47%664,000
2026-10-1297.6197.6191.2293.07-5.12%491,500
2026-10-0994.46100.3194.4698.09+2.81%325,000
2026-10-0894.0696.0291.0195.41-0.36%386,300
2026-10-0799.4299.8594.5295.75-4.19%679,800
2026-10-06107.86112.8798.9099.94-8.36%1,117,700
2026-10-05105.15110.09104.42109.06+2.98%407,700
2026-10-02106.39109.38102.91105.90+0.13%418,100
2026-10-01105.67108.58103.51105.76-0.64%586,900
2026-09-30118.48118.48105.61106.44-9.93%968,600
2026-09-29121.72124.60118.00118.18-2.91%440,400
2026-09-28120.64125.00119.05121.72-1.10%343,600
2026-09-25125.19127.50123.00123.08-1.46%528,100
2026-09-24112.33127.72112.33124.90+9.16%998,000
2026-09-23116.00117.19113.55114.42-1.42%397,700
2026-09-22104.00118.72102.75116.07+11.76%1,119,700
2026-09-21106.61107.21103.62103.86-1.94%412,700
2026-09-18112.16113.00104.75105.92-4.29%1,943,500
2026-09-17105.36111.00104.48110.67+6.81%547,200
2026-09-16104.47106.51102.80103.61-0.63%398,500
2026-09-15101.74106.04101.47104.27+3.42%375,500
2026-09-1498.00101.9897.98100.82+2.08%420,300
2026-09-1199.37100.8395.2298.77+0.26%406,000
2026-09-1097.36101.5196.6798.51-0.66%729,100
2026-09-0997.54102.9896.6999.16+0.10%559,200
2026-09-0899.24102.3796.1699.06-0.33%590,300
2026-09-0497.84100.7296.1499.39-0.11%976,400
2026-09-0396.7599.6194.1699.50+3.48%639,300
2026-09-0293.1996.7592.7896.15+4.15%414,800
2026-09-0190.5394.6890.5392.32+1.82%426,300
2026-08-3192.5093.2589.7890.67-2.76%450,700
2026-08-2894.9095.9092.5893.24-2.01%423,100
2026-08-2796.2299.7094.6895.15-1.11%670,300
2026-08-2698.95100.4294.9496.22-3.85%505,300
2026-08-2597.00101.2595.87100.08+3.45%903,000
2026-08-2495.0397.3092.5096.74+1.80%548,500
2026-08-2195.6497.9094.3595.03-0.25%588,600
2026-08-2091.3496.4291.3495.27+3.93%684,000
2026-08-1989.8794.2589.1991.67+4.18%529,900
2026-08-1893.1294.3187.9687.99-6.30%526,000
2026-08-1793.1996.5093.0893.91+0.62%490,400
2026-08-1494.1495.2891.9093.33-0.75%480,900
2026-08-1397.4698.5093.2994.04-3.50%832,600
2026-08-1297.9998.9496.0097.45-0.50%522,500
2026-08-1197.6499.0794.4597.94-0.72%575,382
2026-08-1093.0099.5392.0098.65+5.63%892,139
2026-08-0792.2894.7388.8193.39+1.90%1,530,300
2026-08-06105.16105.3590.1291.65-38.89%3,751,800
2026-08-05142.07150.44141.35149.97+5.43%922,100
2026-08-04138.01144.28136.31142.25+3.59%657,300
2026-08-03138.11139.88132.00137.32-0.92%843,200
2026-07-31140.21140.21134.73138.60-0.71%531,100
2026-07-30130.86140.00130.86139.59+5.34%515,400
2026-07-29132.21136.59128.00132.52-0.84%611,000
2026-07-28127.64134.98125.09133.64+4.42%806,100
2026-07-27129.53131.67124.91127.98+1.51%480,100
2026-07-24130.00130.00123.85126.08-2.22%479,100
2026-07-23128.95133.00126.35128.94-0.23%463,100
2026-07-22132.33133.66126.57129.24-2.48%533,200
2026-07-21124.02133.46123.96132.53+5.91%561,600
2026-07-20130.86132.21122.17125.14-3.97%660,100
2026-07-17125.55131.64125.37130.31+1.66%618,100
2026-07-16130.00130.43125.95128.18-1.31%642,700
2026-07-15124.19130.00121.12129.88+4.01%683,200
2026-07-14123.00125.78119.47124.87+1.31%566,100
2026-07-13125.12127.61122.09123.25-2.78%596,700
2026-07-10127.41128.22120.11126.77-0.94%797,700
2026-07-09120.60128.53120.54127.97+6.11%852,600
2026-07-08117.60121.00113.30120.60+2.17%630,300
2026-07-07123.54124.00117.12118.04-4.34%592,700
2026-07-06120.00124.89118.05123.40+2.53%780,600
2026-07-02123.52123.52118.01120.35-1.62%611,600
2026-07-01121.26124.99119.50122.33+1.96%687,900
2026-06-30121.60121.91117.28119.98-0.35%532,100
2026-06-29118.74121.31116.15120.40+1.89%607,400
2026-06-26111.00118.87110.50118.17+5.28%962,300
2026-06-25108.95114.80108.02112.24+4.18%837,900
2026-06-24105.80110.85104.47107.74+3.32%1,161,800
2026-06-2398.33105.8298.33104.28+3.53%729,200
2026-06-22104.00104.4498.25100.72-4.21%807,600
2026-06-18102.01106.55100.01105.15+5.81%985,100
2026-06-17100.19104.5497.1099.38-1.31%963,700
2026-06-16104.16105.3899.14100.70-3.13%724,400
2026-06-15101.47105.0097.65103.95+2.80%752,000
2026-06-12101.07103.4596.76101.12+1.48%552,800
2026-06-11100.61103.9898.5699.65+0.39%668,000
2026-06-10100.15104.8997.8799.26-3.06%1,040,600
2026-06-0996.17103.7795.30102.39+8.43%676,600
2026-06-0897.27101.3094.2094.43-2.84%773,400
2026-06-05103.58106.2196.2197.19-7.08%879,300
2026-06-0499.34110.0097.23104.59+6.33%1,162,600
2026-06-0394.25100.0092.0098.36+4.36%977,000
2026-06-0290.3595.8588.4594.25+3.44%931,400
2026-06-0198.0098.0090.8491.12-7.95%814,800
2026-05-2997.35100.0096.0498.99+1.22%405,800
2026-05-2890.4899.8788.0197.80+7.45%685,000
2026-05-2784.9091.4581.9191.02+7.74%800,300
2026-05-2686.6086.6080.2784.48-1.68%699,000
2026-05-2287.0087.8783.5785.92-0.27%374,600
2026-05-2181.2187.0078.1586.15+3.32%725,400
2026-05-2081.7184.9978.0183.38+1.32%676,379
2026-05-1985.6387.1782.1482.29-4.45%476,546
2026-05-1881.8989.1880.4186.12+4.22%600,506
2026-05-1587.1990.0081.9782.63-6.04%1,105,700
2026-05-1489.3192.4987.0187.94-2.93%502,000
2026-05-1393.0095.2190.0090.59-3.86%613,500
2026-05-1298.25102.9093.4594.23-11.05%1,306,400
2026-05-1192.71107.0091.61105.94+13.96%1,098,300
2026-05-0890.0094.4685.1092.96+0.06%1,300,400
2026-05-0781.6093.0077.1092.90+14.13%1,295,100
2026-05-0677.0083.0573.5781.40+1.88%717,200
2026-05-0572.0180.4872.0179.90+10.79%1,517,400
2026-05-0477.4978.9970.8172.12-6.93%697,500
2026-05-0175.8378.3173.6877.49+3.25%317,600
2026-04-3077.8078.0072.9875.05+1.82%445,600
2026-04-2978.2379.1671.0073.71-5.78%295,000
2026-04-2882.0982.2575.9678.23-4.32%369,800
2026-04-2784.9886.6081.6581.76-3.52%232,500
2026-04-2483.6385.6381.0084.74+0.97%234,700
2026-04-2387.1388.1282.0383.93-3.35%353,100
2026-04-2291.0291.0286.0186.84-2.43%222,000
2026-04-2188.0094.0085.5589.00+2.33%616,900
2026-04-2080.5787.1179.0886.97+9.49%793,800
2026-04-1780.9984.4778.9079.43+0.77%493,900
2026-04-1681.8782.2678.6778.82-2.22%298,800
2026-04-1584.5386.2678.7580.61-2.63%557,600
2026-04-1480.0085.2678.6382.79+5.20%401,500
2026-04-1379.1483.8476.1678.70-3.00%395,800
2026-04-1083.4883.9076.4481.13-1.66%468,500
2026-04-0993.3993.3982.2382.50-10.31%446,600
2026-04-0890.1794.8888.6491.98+3.99%317,400
2026-04-0785.7889.1684.0588.45+3.45%397,200
2026-04-0679.5185.7679.5185.50+7.74%350,600
2026-04-0279.9484.9076.2879.36-4.34%362,700
2026-04-0177.6485.0077.6482.96+5.09%611,300
2026-03-3171.1379.1171.1378.94+12.59%300,600
2026-03-3069.5572.1267.0070.11+0.81%294,900
2026-03-2770.0172.3467.7069.55-2.65%302,500
2026-03-2675.4778.6770.2571.44-7.22%312,800
2026-03-2574.4677.3172.2977.00+3.94%236,500
2026-03-2479.0079.0172.0074.08-6.92%224,300
2026-03-2376.0080.3876.0079.59+4.72%269,000
2026-03-2074.8876.4772.5976.00+2.70%239,000
2026-03-1971.2774.0870.7074.00+3.83%179,500
2026-03-1869.6573.6269.0671.27+2.16%249,500
2026-03-1772.0974.2569.0269.76-2.21%278,600
2026-03-1669.7773.8669.5671.34+3.23%170,600
2026-03-1364.0369.1164.0369.11+7.93%230,800
2026-03-1266.0468.2461.9664.03-4.94%476,100
2026-03-1170.2072.2264.7467.36-4.05%475,900
2026-03-1072.1172.1169.5070.20-2.65%187,324
2026-03-0972.2074.0868.5072.11-1.90%403,927
2026-03-0671.3876.5368.9473.51+1.86%455,700
2026-03-0580.8386.0168.1472.17-10.71%1,034,200
2026-03-0483.6584.3977.5580.83-2.78%394,900
2026-03-0378.5384.9273.8383.14+5.71%284,700
2026-03-0273.7879.2571.7578.65+3.04%254,100
2026-02-2769.2176.7369.0276.33+6.89%381,300
2026-02-2670.0171.7066.0071.41+2.00%340,500
2026-02-2571.6271.8369.0070.01-0.84%330,700
2026-02-2472.1075.1768.1170.60-2.08%420,600
2026-02-2385.2986.0071.9472.10-15.59%439,500
2026-02-2089.2091.9285.0085.42-5.53%206,600
2026-02-1988.4192.5988.2590.42+0.89%129,700
2026-02-1893.1898.5889.0089.62-3.82%308,300
2026-02-1788.7693.9285.1493.18+5.16%225,900
2026-02-1389.1093.7987.6888.61-1.20%146,500
2026-02-1287.0090.0085.0089.69+4.61%223,700
2026-02-1192.0594.3484.4985.74-6.74%200,700
2026-02-1092.5798.2691.1891.94-0.51%216,300
2026-02-0991.3693.0087.3392.41+1.99%182,700
2026-02-0685.5091.0184.1490.61+6.41%100,800
2026-02-0583.5188.3683.1985.15+1.96%206,500
2026-02-0482.2685.5282.2583.51+0.99%156,200
2026-02-0383.2185.3582.2582.69-1.04%184,400
2026-02-0282.6885.5382.2583.56+1.27%122,700
2026-01-3081.1887.5481.1882.51+1.60%220,200
2026-01-2985.6686.7280.6581.21-5.62%268,600
2026-01-2886.0087.8083.1786.05+0.57%133,700
2026-01-2786.5890.8785.3285.56-0.72%105,400
2026-01-2688.3694.1686.1286.18-1.59%180,600
2026-01-2391.0092.7787.0087.57-3.30%141,200
2026-01-2284.6892.1984.1190.56+7.67%154,000
2026-01-2184.1486.5080.0084.11-2.14%283,700
2026-01-2085.9188.0382.0085.95-3.13%319,300
2026-01-1695.0095.3585.5388.73-6.32%622,500
2026-01-1594.8196.8492.4494.72+0.37%302,700
2026-01-1495.4096.6590.0094.37-2.56%341,800
2026-01-1399.85100.2595.5096.85-2.32%173,900
2026-01-1287.13101.9886.6499.15+15.37%277,500
2026-01-0986.9788.4983.3085.94-1.88%198,100
2026-01-0889.4489.7585.4587.59-2.07%161,000
2026-01-0795.8397.5088.5089.44-5.73%208,900
2026-01-0696.82100.0093.0694.88-0.13%214,500
2026-01-0590.1095.9388.9295.00+6.39%385,400
2026-01-0283.5090.0083.0089.29+9.10%174,400
2025-12-3185.2689.3780.5181.84-3.82%331,400
2025-12-3084.5185.4082.2585.09+0.69%176,400
2025-12-2988.4889.0084.4084.51-5.36%76,500
2025-12-2686.1789.9985.6289.30+3.43%84,500
2025-12-2487.5087.5081.5186.34-0.84%372,800
2025-12-2395.5296.9286.2887.08-9.57%208,600
2025-12-22103.01103.6093.8196.29-6.15%127,500
2025-12-1995.00103.7795.00102.60+7.43%491,500
2025-12-1892.5199.9791.8395.50+3.23%311,000
2025-12-1791.5693.9989.0992.51+0.60%157,100
2025-12-1696.0096.6388.4991.96-4.84%238,300
2025-12-15102.00105.8994.7196.64-5.25%109,500
2025-12-1296.01103.7595.10101.99+4.67%93,300
2025-12-11101.66104.0091.5897.44-6.04%153,600
2025-12-10102.00107.0097.56103.70-5.32%253,800
2025-12-09105.21110.18103.79109.53+4.65%203,000
2025-12-08112.63115.10103.67104.66-6.25%213,000
2025-12-05105.13118.00104.03111.64+7.33%168,700
2025-12-04105.00107.0699.61104.02+1.23%185,900
2025-12-03115.00115.4999.47102.76-10.58%233,500
2025-12-02111.92115.99110.01114.92+1.66%209,600
2025-12-01128.91130.00108.01113.04-13.17%235,200
2025-11-28129.50130.96124.21130.18+1.82%89,200
2025-11-26131.00138.70123.51127.85-1.58%239,500
2025-11-25119.69129.90118.99129.90+8.32%186,200
2025-11-24112.24128.00110.99119.92+9.02%341,900
2025-11-2195.08114.2593.00110.00+14.97%209,400
2025-11-2099.0099.9995.0095.68-1.76%160,400
2025-11-19101.99101.9992.0597.39-1.92%109,200
2025-11-1892.98100.0092.5299.30+6.41%117,800
2025-11-1794.97103.0090.3793.32+3.69%198,200
2025-11-1488.1293.4388.0090.00+0.50%129,900
2025-11-13100.56102.0389.0589.55-12.03%141,300
2025-11-12105.83107.50100.00101.80-1.89%418,400
2025-11-11104.50108.01100.50103.76+1.50%73,800
2025-11-10101.53110.0093.28102.22+2.19%155,600
2025-11-07108.70113.0697.50100.03-8.18%461,800
2025-11-06100.00123.8495.00108.94—1,430,900

Most recent 250 sessions, newest first.

Seasonal returns

Best month historically: Jun (+31.67%). Worst month: Aug (-33.97%). Based on 2 years of daily data (2025–2026).

FAQ · from the current price data · as of 2026-10-16

Quick answers

What is BillionToOne, Inc. Class A Common Stock's (BLLN) latest close?

98.12 on 2026-10-16, from the Closelook data lake's daily price record.

What is BLLN's 52-week high and low?

150.44 high and 61.96 low over the trailing 52 weeks, as of 2026-10-16.

What is BillionToOne, Inc. Class A Common Stock's strongest and weakest month historically?

Historically, BLLN's strongest calendar month has been Jun (average +31.67%) and its weakest Aug (average -33.97%), based on 2 years of daily data (2025–2026).

How many years of seasonality does this cover?

2 years (2025–2026), computed from 237 daily bars in the Closelook data lake.