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REGN · Regeneron Pharmaceuticals, Inc. · Short Volume

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$762.70 +4.43 (+0.58%)
S&P 500 member Nasdaq-100 member Russell 1000 member Rebalance outlook locked
Market Cap
$81.13B
Shares
102.95M
Volume · Sep 30 872.46K Avg daily vol (3M) 755.8K

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 %
    2026-09-30 119,573 500 269,258 44.4%
    2026-09-29 152,779 458 297,964 51.3%
    2026-09-28 159,179 34 377,089 42.2%
    2026-09-25 97,965 721 226,123 43.3%
    2026-09-24 76,453 1,252 165,159 46.3%
    2026-09-23 93,220 481 210,311 44.3%
    2026-09-22 99,421 910 226,936 43.8%
    2026-09-21 109,975 4,256 190,829 57.6%
    2026-09-18 115,355 345 179,905 64.1%
    2026-09-17 135,768 492 203,875 66.6%
    2026-09-16 81,435 237 148,039 55.0%
    2026-09-15 84,477 253 183,096 46.1%
    2026-09-14 97,233 668 195,681 49.7%
    2026-09-11 68,000 335 146,166 46.5%
    2026-09-10 91,219 253 183,258 49.8%
    2026-09-09 99,371 995 190,815 52.1%
    2026-09-08 108,239 696 166,907 64.8%
    2026-09-04 79,815 2,840 132,820 60.1%
    2026-09-03 118,872 4,395 184,168 64.5%
    2026-09-02 187,398 25,532 284,382 65.9%
    2026-09-01 136,383 3,327 222,432 61.3%
    2026-08-31 112,788 2,957 185,067 60.9%
    2026-08-28 102,375 2,158 172,880 59.2%
    2026-08-27 80,089 2,977 186,116 43.0%
    2026-08-26 73,200 4,919 129,434 56.6%
    2026-08-25 104,031 3,999 164,565 63.2%
    2026-08-24 96,923 1,925 188,446 51.4%
    2026-08-21 100,836 10,897 184,472 54.7%
    2026-08-20 109,361 7,014 194,608 56.2%
    2026-08-19 138,066 35,891 284,738 48.5%
    2026-08-18 113,663 9,599 216,813 52.4%
    2026-08-17 69,894 5,021 188,749 37.0%
    2026-08-14 87,848 4,449 143,995 61.0%
    2026-08-13 140,235 10,197 283,686 49.4%
    2026-08-12 81,565 6,848 186,280 43.8%
    2026-08-11 116,879 14,388 271,482 43.1%
    2026-08-10 170,616 31,722 301,860 56.5%
    2026-08-07 93,104 12,143 214,337 43.4%
    2026-08-06 68,914 1,794 161,221 42.7%
    2026-08-05 93,673 13,695 201,423 46.5%
    2026-08-04 103,350 2,558 292,856 35.3%
    2026-08-03 190,178 13,541 345,281 55.1%
    2026-07-31 286,869 28,372 439,203 65.3%
    2026-07-30 299,207 8,913 546,561 54.7%
    2026-07-29 183,647 8,717 376,128 48.8%
    2026-07-28 177,093 1,782 293,584 60.3%
    2026-07-27 116,203 2,264 222,147 52.3%
    2026-07-24 99,598 1,211 236,581 42.1%
    2026-07-23 123,786 130 351,895 35.2%
    2026-07-22 184,853 541 296,296 62.4%
    Showing 1–50 of 64 days
    Key facts CIK 872589 CUSIP 75886F107 13F (30d) 24 filings 20 filers Visit website Investor relations