ALB

Albemarle Corp

Company with tickers: ALB, ALB-PA

CIK

915913

CUSIP

012653101

Shares Outstanding

117,934,651

13F Activity (30d)

431 filings 413 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	2,311,108	1,638,440	3,949,548	46.3%
2026-05-11	2,894,426	1,930,116	4,824,542	56.0%
2026-05-04	2,936,403	2,098,508	5,034,911	44.0%
2026-04-27	2,269,163	1,845,564	4,114,727	50.2%
2026-04-20	2,169,254	1,742,481	3,911,735	49.8%
2026-04-13	4,003,279	2,994,445	6,997,724	50.1%
2026-04-06	1,845,777	1,012,449	2,858,226	42.7%
2026-03-30	1,818,571	1,171,613	2,990,184	40.9%
2026-03-23	2,598,173	2,130,980	4,729,153	46.1%
2026-03-16	2,112,348	1,671,037	3,783,385	40.6%
2026-03-09	2,422,117	1,693,943	4,116,060	43.2%
2026-03-02	3,197,348	1,745,123	4,942,471	41.8%
2026-02-23	3,411,855	2,703,518	6,115,373	42.4%
2026-02-16	1,730,020	1,367,978	3,097,998	41.7%
2026-02-09	3,770,990	1,881,907	5,652,897	37.3%
2026-02-02	4,385,489	2,033,471	6,418,960	42.4%
2026-01-26	4,666,896	4,150,069	8,816,965	44.8%
2026-01-19	4,058,803	2,900,538	6,959,341	42.8%
2026-01-12	3,822,390	3,711,357	7,533,747	43.5%
2026-01-05	3,774,645	4,920,424	8,695,069	45.5%
2025-12-29	2,026,017	1,838,048	3,864,065	41.9%
2025-12-22	1,593,348	1,631,368	3,224,716	40.6%
2025-12-15	3,490,904	3,359,141	6,850,045	38.6%

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