HEI

Heico Corp

Company with tickers: HEI, HEI-A

CIK

46619

CUSIP

422806109

Shares Outstanding

55,170,957

13F Activity (30d)

222 filings 215 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.

1M 3M 6M 1Y 5Y All

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%

Showing 1–23 of 23 weeks