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AMG · Affiliated Managers Group, Inc. · Off Exchange

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$371.43 -0.52 (-0.14%) At close · Oct 2
Market Cap
$9.52B
Shares
25.86M
Volume · Oct 2 219.43K Avg daily vol (3M) 272.16K

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
2026-08-24 285,701 157,617 443,318 41.6%
2026-08-17 468,625 202,026 670,651 43.9%
2026-08-10 355,626 152,531 508,157 39.5%
2026-08-03 304,486 199,264 503,750 44.3%
2026-07-27 362,009 175,716 537,725 42.9%
2026-07-20 679,137 188,843 867,980 48.0%
2026-07-13 236,254 139,911 376,165 37.4%
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%
Showing 1–47 of 47 weeks
Key facts CIK 1004434 CUSIP 008252108 13F (30d) 22 filings 14 filers Visit website Investor relations