IRWD
Ironwood Pharmaceuticals IncCompany with tickers: IRWD
CIK
1446847
CUSIP
46333X108
Shares Outstanding
164,613,406
Website
https://www.ironwoodpharma.com
Investor Relations
https://investor.ironwoodpharma.com/home/default.aspx
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% |
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