AFFILIATED MANAGERS GROUP, INC. (MGRB) — research page
US · us-cm-kg/NYSE/MGRB · as of 2026-11-08
Identity and listing
The issuer is AFFILIATED MANAGERS GROUP, INC., listed on the NYSE under ticker MGRB, with ISIN US0082528433 and LEI 2JE75BUE3T1BLCYYGK54. Its security type is Corporate and its sector is 6282 Investment Advice. Its jurisdiction is United States, Delaware. Its segment is not on the record. Its listing status is listed, not halted.
| field | value | source · read date |
|---|---|---|
| name | AFFILIATED MANAGERS GROUP, INC. | source · 2026-11-08 |
| exchange | NYSE | source · 2026-11-08 |
| ticker | MGRB | source · 2026-11-08 |
| ISIN | US0082528433 | source · 2026-10-09 |
| LEI | 2JE75BUE3T1BLCYYGK54 | source · 2026-11-08 |
| security type | Corporate | source · 2026-11-08 |
| segment | not on the record | |
| sector | 6282 Investment Advice | source · 2026-11-08 |
| jurisdiction | United States — Delaware | source · 2026-11-08 |
| status | listed, not halted | source · 2026-11-08 |
The disclosure read
The record holds 71 filings in the twelve months to 2026-11-08, across 41 filing days. The median gap between filing days is 5.0 days, against a NYSE median of 6.0 days and a sector median of 5.0 days. The latest filing is dated 2026-09-25 and is of type directors_dealings. The latency from the latest filing to the record date is 44 days, against a NYSE median of 4.0 days and a sector median of 3 days. The window holds 35 directors_dealings, 20 regulatory_filing, 6 results, 3 agm_egm, 3 corporate_news, 2 director_change and 2 prospectus filings. The NYSE median filing count is 64.0 and the sector median filing count is 79.
| filings | median gap between filing days | days from latest filing to as-of | |
|---|---|---|---|
| this issuer | 71 | 5 | 44 |
| exchange median: NYSE (3256 issuers) | 64 | 6 | 4 |
| sector median: 6282 Investment Advice (65 issuers) | 79 | 5 | 3 |
| date | type | category | filing |
|---|---|---|---|
| 2026-09-25 | directors_dealings | 4/A | 4/A — PRIMARY DOCUMENT |
| 2026-08-28 | regulatory_filing | N-PX | N-PX |
| 2026-08-18 | directors_dealings | 4 | 4 — PRIMARY DOCUMENT |
| 2026-08-18 | directors_dealings | 4 | 4 — PRIMARY DOCUMENT |
| 2026-08-18 | directors_dealings | 4 | 4 — PRIMARY DOCUMENT |
window 2025-11-08 to 2026-11-08 · the node's disclosure lines, as get_filings serves them
Auditor
The auditor is not on the record, because the latest annual report cover carries no dei:AuditorName tag. The auditor location is not on the record. The record holds no auditor changes.
Events and halts
The record holds no listing, delisting or name change lines. The domicile change is not on the record, because EDGAR states no dated change of state of incorporation on a filing line. The segment move is not on the record, because the exchanges' tier transfers are not EDGAR filings. The issuer is listed, not halted.
Orderability
The outcome is not determinable, because the chapter's orderability section carries no client categories and so the outcome cannot name its client category. The rule version is acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1, and the chapter is as of 2026-11-04.
rule acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1 · chapter as of 2026-11-04 · the full outcome: get_orderability
Coverage
No research houses were found on the issuer's investor-relations pages read. The count is 0.
Open research
No openly published research notes were found. The count is 0.
Licensed
Licensed research: none loaded. A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded.
| licensor | entitlement | title | date | source |
|---|---|---|---|---|
| none loaded |
As-of depth
The issuer's sealed years are 2021, 2022, 2023, 2024, 2025 and 2026. The market's earliest sealed date is 2021-01-04. The live record began on 2026-09-12.
Sources
8 source pages are named on this page; every value above carries its own source page and read date in the numbers.
- 10.1
- https://www.sec.gov/files/company_tickers_exchange.json (identity.exchange)
- 10.2
- https://www.sec.gov/data-research/sec-markets-data/fails-deliver-data (identity.isin)
- 10.3
- https://data.sec.gov/submissions/CIK0001004434.json (identity.jurisdiction)
- 10.4
- https://mapping.gleif.org/api/v2/isin-lei/latest/download (identity.lei)
- 10.5
- https://mcp.us-cm-kg.ai/events/NYSE/MGRB (the disclosure lines)
- 10.6
- https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag)
- 10.7
- https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter)
- 10.8
- https://mcp.us-cm-kg.ai/record/NYSE/MGRB (the record)
Read it by agent
The same page, signed and receipted: get_research at https://mcp.getresearch.ai/mcp with {"isin":"US0082528433"}. Twins: .md · .json. Written: Claude through the platform account, Haiku class; one pass; checked against the numbers. Page hash sha256:8c2d78317fc72892.