HEI
Heico CorpCompany with tickers: HEI, HEI-A
CIK
46619
CUSIP
422806109
Shares Outstanding
55,170,957
13F Activity (30d)
294 filings
285 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 |
|---|---|---|---|---|
| 2026-05-18 | 905,077 | 544,930 | 1,450,007 | 47.5% |
| 2026-05-11 | 1,121,055 | 585,286 | 1,706,341 | 68.6% |
| 2026-05-04 | 1,498,471 | 536,289 | 2,034,760 | 42.7% |
| 2026-04-27 | 902,806 | 327,867 | 1,230,673 | 50.0% |
| 2026-04-20 | 1,041,745 | 266,007 | 1,307,752 | 51.3% |
| 2026-04-13 | 731,394 | 354,183 | 1,085,577 | 41.0% |
| 2026-04-06 | 827,498 | 322,961 | 1,150,459 | 44.9% |
| 2026-03-30 | 715,681 | 236,152 | 951,833 | 36.8% |
| 2026-03-23 | 797,146 | 244,640 | 1,041,786 | 40.0% |
| 2026-03-16 | 643,288 | 322,559 | 965,847 | 36.4% |
Showing 1–10 of 10 weeks