SightfileU.S. market data from official filings

AFFILIATED MANAGERS GROUP (MGR)

Name: AFFILIATED MANAGERS GROUP (MGR) — Institutional ownership, SEC filings and insider activity
Creator: Sightfile
License: https://www.sec.gov/privacy#dissemination

Institutional ownership, SEC filings and insider activity

Sector: Financials · SEC CIK 0001004434 · EDGAR filings · Updated 2026-06-30

AFFILIATED MANAGERS GROUP (MGR) has reported institutional ownership of 94.0%, with 542 institutional managers holding positions valued at $6.87B per the latest 13F reporting period.

Institutional ownership

94.0%

Institutional managers

542

Reported 13F value

$6.87B

Insider activity

53 trans.

−$6.60M net selling

Latest updates

2026-06-30 — Notice of proposed sale filed (Form 144)
2026-06-26 — 3/A filed
2026-06-15 — Insider transaction reported (Form 4)
2026-06-09 — Current report (8-K) filed
2026-06-08 — Insider transaction reported (Form 4)
2026-06-08 — Notice of proposed sale filed (Form 144)

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, AFFILIATED MANAGERS GROUP has 542 institutional holders and institutional ownership of 94.0%.

Insider activity

Insiders reported 53 transactions (0 buys, 3 sells) across 11 reporting insiders, with a net reported value of −$6.60M.

Related companies

AMERICAN FINANCIAL GROUP INC (AFG) · KINSALE CAP GROUP INC (KNSL) · HSBC HLDGS PLC (HSBC) · FRANKLIN RESOURCES INC (BEN) · JACKSON FINANCIAL INC (JXN) · VOYA FINANCIAL INC (VOYA)

See full history, cross-references and alerts on Sightfile

Sightfile provides information only — not investment advice, recommendations, or an assessment of any security. Data is derived from official public sources (SEC EDGAR and U.S. government agencies), may contain errors or delays, and should be verified against the source filing before relying on it.
Data sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-06-30.