HEI

Heico Corp

Company with tickers: HEI, HEI-A

CIK

46619

CUSIP

422806109

Shares Outstanding

55,170,957

13F Activity (30d)

292 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.

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%
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%

Showing 1–49 of 49 weeks