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CERT · Certara, Inc. · Short Volume

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$9.79 +0.34 (+3.54%)
S&P 600 member Russell 2000 member Rebalance outlook locked
Customer concentration — top 10 customers 24% of revenue

10 customers — 24% of revenue (the year ended December 31, 2025)

“Our ten largest customers accounted for 24% of revenues for the year ended December 31, 2025.”
View the 10-K filed Feb 26, 2026
Market Cap
$1.44B
Shares
152.54M
Volume · Oct 20 2.78M Avg daily vol (3M) 3.02M

Daily short-sale volume published by FINRA from its trade-reporting facilities. It measures how many shares were sold short each day as a share of total volume — a daily flow, not the total outstanding short position.

Pull daily short volume through the short interest API or MCP →
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    • Short Volume

    Date Short Volume Short Exempt Total Volume Short %
    2026-10-19 228,949 100 505,650 45.3%
    2026-10-16 390,048 0 718,382 54.3%
    2026-10-15 257,818 430 627,034 41.1%
    2026-10-14 353,599 111 652,476 54.2%
    2026-10-13 514,280 2,728 1,007,399 51.1%
    2026-10-12 250,589 0 495,123 50.6%
    2026-10-09 611,337 0 1,632,314 37.5%
    2026-10-08 511,360 0 1,058,229 48.3%
    2026-10-07 430,173 0 1,214,406 35.4%
    2026-10-06 611,357 9,036 1,271,180 48.1%
    2026-10-05 394,318 500 750,877 52.5%
    2026-10-02 328,603 63 736,961 44.6%
    2026-10-01 385,637 2,200 1,008,022 38.3%
    2026-09-30 332,870 0 686,888 48.5%
    2026-09-29 564,729 0 1,058,311 53.4%
    2026-09-28 431,852 0 970,251 44.5%
    2026-09-25 524,338 0 754,745 69.5%
    2026-09-24 397,308 0 503,961 78.8%
    2026-09-23 452,475 78 941,543 48.1%
    2026-09-22 299,072 0 506,362 59.1%
    2026-09-21 347,395 0 501,167 69.3%
    2026-09-18 616,190 0 2,934,854 21.0%
    2026-09-17 431,437 0 715,607 60.3%
    2026-09-16 443,483 0 888,718 49.9%
    2026-09-15 545,882 36,249 788,262 69.3%
    2026-09-14 333,050 2,625 530,079 62.8%
    2026-09-11 273,698 0 449,084 60.9%
    2026-09-10 294,706 151 515,435 57.2%
    2026-09-09 335,497 0 491,801 68.2%
    2026-09-08 384,190 0 524,782 73.2%
    2026-09-04 210,300 0 271,413 77.5%
    2026-09-03 604,884 0 750,111 80.6%
    2026-09-02 237,181 0 535,897 44.3%
    2026-09-01 321,802 420 466,928 68.9%
    2026-08-31 229,912 0 315,361 72.9%
    2026-08-28 216,741 27 319,446 67.8%
    2026-08-27 312,320 0 422,846 73.9%
    2026-08-26 219,244 0 308,799 71.0%
    2026-08-25 354,951 0 556,772 63.8%
    2026-08-24 506,837 1,711 743,780 68.1%
    2026-08-21 386,898 0 721,150 53.7%
    2026-08-20 483,995 0 691,264 70.0%
    2026-08-19 333,895 0 572,855 58.3%
    2026-08-18 388,505 0 583,965 66.5%
    2026-08-17 832,312 0 1,087,013 76.6%
    2026-08-14 302,182 0 473,947 63.8%
    2026-08-13 956,705 0 1,666,448 57.4%
    2026-08-12 345,482 0 528,403 65.4%
    2026-08-11 356,377 0 738,716 48.2%
    2026-08-10 385,699 0 822,629 46.9%
    Showing 1–50 of 65 days
    Key facts CIK 1827090 CUSIP 15687V109 13F (30d) 17 filings 17 filers Visit website Investor relations