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ALNY

Alnylam Pharmaceuticals, Inc.

Company with tickers: ALNY

CIK
1178670
CUSIP
02043Q107
Shares Outstanding
133,512,573
Investor Relations
https://investors.alnylam.com/
13F Activity (30d)
31 filings 23 filers

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.

Short Volume

Date Short Volume Short Exempt Total Volume Short %
2026-06-15 236,526 145 379,472 62.3%
2026-06-12 390,444 938 701,646 55.6%
2026-06-11 304,123 1,120 444,530 68.4%
2026-06-10 184,628 59 368,018 50.2%
2026-06-09 241,684 0 467,108 51.7%
2026-06-08 354,079 0 710,400 49.8%
2026-06-05 178,450 639 361,693 49.3%
2026-06-04 240,239 670 456,545 52.6%
2026-06-03 243,305 14 366,831 66.3%
2026-06-02 285,161 131 441,861 64.5%
2026-06-01 240,685 130 364,107 66.1%
2026-05-29 191,922 0 360,611 53.2%
2026-05-28 223,202 3 412,323 54.1%
2026-05-27 105,345 110 271,642 38.8%
2026-05-26 122,590 0 261,071 47.0%
2026-05-22 87,154 2 198,305 43.9%
2026-05-21 106,961 0 197,580 54.1%
2026-05-20 154,640 1,300 300,531 51.5%
2026-05-19 122,136 309 276,220 44.2%
2026-05-18 112,772 383 305,468 36.9%
2026-05-15 161,763 620 369,792 43.7%
2026-05-14 193,374 12 340,864 56.7%
2026-05-13 177,984 3,708 365,775 48.7%
2026-05-12 157,436 26 326,336 48.2%
2026-05-11 159,399 10 481,617 33.1%
2026-05-08 110,846 21 365,357 30.3%
2026-05-07 241,143 174 450,583 53.5%
2026-05-06 125,365 1,883 308,261 40.7%
2026-05-05 139,889 1,102 303,749 46.1%
2026-05-04 355,109 56 760,222 46.7%
2026-05-01 223,547 0 475,236 47.0%
2026-04-30 695,814 3 1,064,804 65.3%
2026-04-29 171,411 99 832,623 20.6%
2026-04-28 122,173 0 353,221 34.6%
2026-04-27 187,428 40 529,217 35.4%
2026-04-24 109,302 945 281,289 38.9%
2026-04-23 138,865 1 241,606 57.5%
2026-04-22 108,843 0 334,976 32.5%
2026-04-21 440,850 199 652,848 67.5%
2026-04-20 147,860 5,510 341,332 43.3%
2026-04-17 244,741 288 566,470 43.2%
2026-04-16 198,494 0 286,420 69.3%
2026-04-15 225,110 0 300,959 74.8%
2026-04-14 286,418 10 460,813 62.2%
2026-04-13 250,189 6,101 449,219 55.7%
2026-04-10 170,971 0 315,187 54.2%
2026-04-09 250,022 0 451,582 55.4%
2026-04-08 294,281 2 422,029 69.7%
2026-04-07 540,527 47 696,367 77.6%
2026-04-06 329,515 4,056 515,804 63.9%
Showing 1–50 of 50 days