AMG · Affiliated Managers Group, Inc.

$374.37 +7.27 (+1.98%) At close · Aug 14

Market Cap

$9.49B

25.86M

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
2026-07-06	328,938	198,754	527,692	42.9%
2026-06-29	448,180	190,182	638,362	41.2%
2026-06-22	338,553	174,888	513,441	34.6%
2026-06-15	255,682	266,770	522,452	39.2%
2026-06-08	602,178	184,271	786,449	41.3%
2026-06-01	729,641	173,825	903,466	42.9%
2026-05-25	337,142	180,092	517,234	35.0%
2026-05-18	481,170	172,236	653,406	46.0%
2026-05-11	351,141	188,499	539,640	43.9%
2026-05-04	483,296	215,352	698,648	44.0%
2026-04-27	630,078	204,157	834,235	43.2%
2026-04-20	588,903	188,943	777,846	47.5%
2026-04-13	612,588	222,709	835,297	45.6%
2026-04-06	530,260	271,647	801,907	41.7%
2026-03-30	307,162	180,692	487,854	40.9%
2026-03-23	435,636	342,714	778,350	42.6%
2026-03-16	499,605	226,864	726,469	34.5%
2026-03-09	578,275	321,219	899,494	46.6%
2026-03-02	582,336	134,036	716,372	40.1%
2026-02-23	568,138	242,509	810,647	39.4%
2026-02-16	587,427	223,924	811,351	36.8%
2026-02-09	967,997	321,128	1,289,125	40.3%
2026-02-02	544,532	189,262	733,794	37.1%
2026-01-26	437,781	157,770	595,551	28.4%
2026-01-19	339,253	180,073	519,326	35.1%
2026-01-12	396,994	172,021	569,015	36.1%
2026-01-05	449,643	165,506	615,149	30.3%
2025-12-29	521,283	139,418	660,701	35.2%
2025-12-22	337,084	95,549	432,633	32.0%
2025-12-15	533,340	665,274	1,198,614	41.3%
2025-12-08	532,188	1,169,692	1,701,880	59.0%
2025-12-01	273,351	91,859	365,210	33.0%
2025-11-24	231,991	102,983	334,974	35.4%
2025-11-17	362,340	131,885	494,225	33.2%
2025-11-10	372,981	226,336	599,317	35.5%
2025-11-03	505,422	282,082	787,504	38.2%
2025-10-27	353,022	110,349	463,371	42.5%
2025-10-20	326,927	120,101	447,028	38.0%
2025-10-13	269,757	115,178	384,935	42.4%
2025-10-06	215,430	80,421	295,851	35.5%
2025-09-29	267,477	165,705	433,182	38.2%
2025-09-22	325,539	148,925	474,464	43.9%
2025-09-15	462,633	132,931	595,564	42.0%
2025-09-08	309,737	175,287	485,024	50.1%
2025-09-01	245,821	86,617	332,438	43.7%
2025-08-25	259,737	90,929	350,666	41.9%
2025-08-18	272,267	88,435	360,702	39.4%

Showing 1–47 of 47 weeks

Key facts CIK 1004434 CUSIP 008252108 13F (30d) 531 filings 507 filers Visit website Investor relations