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% |
| 2026-03-09 | 775,734 | 507,925 | 1,283,659 | 41.3% |
| 2026-03-02 | 1,433,978 | 427,580 | 1,861,558 | 43.8% |
| 2026-02-23 | 2,122,731 | 911,300 | 3,034,031 | 41.5% |
| 2026-02-16 | 777,500 | 257,873 | 1,035,373 | 41.9% |
| 2026-02-09 | 573,694 | 280,858 | 854,552 | 42.8% |
| 2026-02-02 | 683,495 | 266,229 | 949,724 | 42.0% |
| 2026-01-26 | 582,509 | 211,001 | 793,510 | 42.7% |
| 2026-01-19 | 688,197 | 203,006 | 891,203 | 44.4% |
| 2026-01-12 | 656,683 | 245,137 | 901,820 | 42.5% |
| 2026-01-05 | 877,219 | 312,977 | 1,190,196 | 44.8% |
| 2025-12-29 | 393,623 | 153,412 | 547,035 | 37.0% |
| 2025-12-22 | 553,897 | 213,011 | 766,908 | 41.4% |
| 2025-12-15 | 988,783 | 431,436 | 1,420,219 | 43.9% |
| 2025-12-08 | 727,698 | 322,735 | 1,050,433 | 42.2% |
| 2025-12-01 | 488,982 | 253,962 | 742,944 | 45.1% |
| 2025-11-24 | 266,723 | 123,916 | 390,639 | 36.6% |
| 2025-11-17 | 710,735 | 238,002 | 948,737 | 41.8% |
| 2025-11-10 | 583,541 | 195,257 | 778,798 | 40.9% |
| 2025-11-03 | 369,953 | 147,146 | 517,099 | 38.6% |
| 2025-10-27 | 342,532 | 270,237 | 612,769 | 40.3% |
| 2025-10-20 | 274,016 | 146,396 | 420,412 | 39.8% |
| 2025-10-13 | 369,275 | 224,253 | 593,528 | 38.3% |
| 2025-10-06 | 346,441 | 163,645 | 510,086 | 35.6% |
| 2025-09-29 | 342,508 | 165,146 | 507,654 | 37.4% |
| 2025-09-22 | 266,922 | 203,319 | 470,241 | 36.4% |
| 2025-09-15 | 357,318 | 254,365 | 611,683 | 35.6% |
| 2025-09-08 | 461,778 | 232,936 | 694,714 | 41.5% |
| 2025-09-01 | 435,617 | 169,639 | 605,256 | 36.7% |
| 2025-08-25 | 869,284 | 504,354 | 1,373,638 | 40.3% |
| 2025-08-18 | 527,530 | 350,292 | 877,822 | 39.5% |
| 2025-08-11 | 330,213 | 218,920 | 549,133 | 37.3% |
| 2025-08-04 | 892,600 | 507,600 | 1,400,200 | 45.9% |
| 2025-07-28 | 471,663 | 166,071 | 637,734 | 38.7% |
| 2025-07-21 | 334,307 | 152,207 | 486,514 | 36.2% |
| 2025-07-14 | 461,519 | 212,392 | 673,911 | 36.3% |
| 2025-07-07 | 604,139 | 227,452 | 831,591 | 37.3% |
| 2025-06-30 | 418,166 | 191,457 | 609,623 | 35.4% |
| 2025-06-23 | 535,323 | 329,916 | 865,239 | 38.0% |
| 2025-06-16 | 473,717 | 225,939 | 699,656 | 37.1% |
| 2025-06-09 | 852,069 | 231,879 | 1,083,948 | 43.6% |
Showing 1–50 of 233 weeks