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IRWD

Ironwood Pharmaceuticals Inc

Company with tickers: IRWD

CIK
1446847
CUSIP
46333X108
Shares Outstanding
164,613,406
13F Activity (30d)
3 filings 2 filers

Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.

Off-Exchange Volume History

Week Start ATS Volume Non-ATS OTC Volume Total Off-Exchange % of FINRA Weekly Volume
2026-05-04 3,834,116 4,079,134 7,913,250 47.9%
2026-04-27 1,356,206 2,150,461 3,506,667 46.3%
2026-04-20 1,188,270 2,145,118 3,333,388 47.4%
2026-04-13 1,468,962 3,229,639 4,698,601 48.4%
2026-04-06 854,641 1,431,494 2,286,135 37.0%
2026-03-30 1,387,021 2,319,908 3,706,929 46.8%
2026-03-23 1,592,406 1,325,566 2,917,972 35.8%
2026-03-16 2,963,704 13,734,657 16,698,361 50.6%
2026-03-09 2,084,789 1,593,149 3,677,938 37.4%
2026-03-02 1,937,540 2,430,964 4,368,504 39.8%
2026-02-23 6,156,210 9,781,984 15,938,194 53.1%
2026-02-16 1,697,916 3,700,189 5,398,105 47.0%
2026-02-09 1,636,381 5,431,734 7,068,115 53.2%
2026-02-02 1,926,808 2,864,132 4,790,940 41.1%
2026-01-26 1,539,095 2,813,703 4,352,798 44.3%
2026-01-19 2,237,939 3,986,884 6,224,823 42.5%
2026-01-12 2,622,448 4,861,774 7,484,222 43.7%
2026-01-05 2,860,303 9,151,395 12,011,698 44.7%
2025-12-29 4,388,049 52,151,367 56,539,416 62.5%
2025-12-22 1,037,890 1,687,756 2,725,646 45.8%
2025-12-15 2,142,124 6,942,450 9,084,574 47.2%
2025-12-08 1,900,386 2,352,233 4,252,619 42.3%
2025-12-01 1,420,719 2,511,548 3,932,267 43.9%
2025-11-24 1,172,215 4,829,094 6,001,309 55.4%
2025-11-17 2,258,828 3,365,703 5,624,531 40.7%
2025-11-10 4,083,197 18,266,449 22,349,646 59.8%
2025-11-03 1,470,911 4,138,783 5,609,694 49.3%
2025-10-27 898,920 3,039,004 3,937,924 46.9%
2025-10-20 537,800 1,182,478 1,720,278 47.9%
2025-10-13 566,330 2,090,969 2,657,299 50.7%
2025-10-06 1,096,054 2,545,993 3,642,047 56.0%
2025-09-29 1,072,350 2,713,211 3,785,561 47.1%
2025-09-22 705,703 1,453,923 2,159,626 49.0%
2025-09-15 604,285 3,982,921 4,587,206 52.3%
2025-09-08 966,154 2,125,841 3,091,995 59.7%
2025-09-01 841,071 3,615,207 4,456,278 59.8%
2025-08-25 575,340 1,572,862 2,148,202 55.0%
2025-08-18 1,530,014 2,857,899 4,387,913 55.2%
2025-08-11 625,597 3,984,952 4,610,549 57.8%
2025-08-04 770,943 4,851,099 5,622,042 60.6%
2025-07-28 924,472 2,990,471 3,914,943 54.8%
2025-07-21 594,772 2,319,495 2,914,267 52.8%
2025-07-14 948,890 2,707,556 3,656,446 56.1%
2025-07-07 1,358,577 2,261,773 3,620,350 61.9%
2025-06-30 1,007,044 2,268,484 3,275,528 53.3%
Showing 1–45 of 45 weeks