Ranked by reported Q3 2025 13F market value
Share of total reported institutional value in MGRD held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Moloney Securities Asset Management, LLC | 12K | $196K | — | 0.046% | 0.02% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in MGRD — a direct measure of their conviction.
Filings activity in MGRD during Q3 2025, grouped by how each filer changed its position.
No institutions fully exited this quarter.
3 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q3 2025 | 1 | +0.0% | 0.05% | +0.01 pp | $0M | +9.6% |
| Q2 2024 | 1 | +0.0% | 0.04% | 0.01 pp | $0M | 6.5% |
| Q1 2024 | 1 | — | 0.05% | — | $0M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying MGRD stock.
Based on Q3 2025 13F filings, institutional ownership of Affiliated Managers Group, Inc. stands at 0.1%, held across 1 reporting institutions.
Moloney Securities Asset Management, LLC is the largest reported institutional holder of MGRD, with approximately 12,209 shares worth $0.00B as of Q3 2025.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of MGRD.
Our composite Smart Money Score for MGRD is 52 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
1 institutions opened new positions in MGRD during Q3 2025, while 0 fully exited. 0 added to existing positions and 0 trimmed.
MGRD institutional ownership rose by 0.01 percentage points quarter-over-quarter, with a net change of +1 holders.
The top 10 institutions account for 100.0% of all reported 13F value in MGRD, and the top 25 account for 100.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Affiliated Managers Group, Inc. (MGRD) Institutional Ownership