AMG — AFFILIATED MANAGERS GROUP IN
Public company
InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.
Sourced from SEC EDGAR public filings
Why are billionaires buying AMG?
Built from public SEC filings and public economic data. Not a recommendation.
Why? — Evidence & Confidence ▾
Of 5 tracked investors who changed their AMG position last quarter, 1 bought and 4 sold (20% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 56/100 in a Overheat regime).
- +1 tracked investor added or increased positions last quarter (Izzy Englander)
- +3 tracked investors reported holding AMG at their latest filing
- +Macro Health is 56/100 in a Overheat regime — historically acceptable for this sectorsource
- −4 tracked investors reduced or exited last quarter (2 reduced, 2 sold out)
- −13F data is disclosed up to 45 days after quarter end — positions may have changed since
- · 13F disclosure lag (up to 45 days)
- · Tracked investors are a sample, not the whole market
- · Sector regime fit is a historical average, not a guarantee
Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 9/18/2026.
About AFFILIATED MANAGERS GROUP IN (AMG)
AFFILIATED MANAGERS GROUP IN (AMG) appears in the most recent 13F filings of 3 tracked institutional investors. The largest disclosed position is held by Izzy Englander (Millennium Management), valued at $309M. Across recent filings, tracked investors recorded 9 new positions, 12 increased, 11 reduced, and 6 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in AMG
How many top investors track AMG
A small number of top investors own this.
AMG Ownership Composition
How AFFILIATED MANAGERS GROUP IN is held across tracked investor types, based on reported 13F positions.
- Multi-Strategy / Quant98.9%
- Macro1.1%
Tracked investors currently reporting AMG
2 tracked investors have since exited this position — listed separately below.
- Izzy EnglanderJun 30, 2026Millennium ManagementShares875.1KValue$296.1M% Portfolio0.11%
- Ken GriffinJun 30, 2026Citadel AdvisorsShares212.6KValue$71.9M% Portfolio0.01%
- Paul Tudor JonesJun 30, 2026Tudor Investment CorpShares11.7KValue$4M% Portfolio0.01%
Previously held AMG
These investors reported AMG in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.
| Investor | Firm | Last reported shares | Value then | Last held |
|---|---|---|---|---|
| Ray Dalio | Bridgewater Associates | 6.5K | $1.8M | Mar 31, 2026 |
| Steve Cohen | Point72 Asset Management | 44.3K | $12.3M | Mar 31, 2026 |
Recent activity
- Increased$25.8M(39.17%)Nov 14, 2024
- Increased$56.5M(110.47%)Feb 14, 2025
- Increased$212.7M(314.29%)May 15, 2025
- Increased$308.8M(23.99%)Aug 14, 2025
- Reduced$229.5M(-21.74%)Feb 17, 2026
- Reduced$1.5M(-99.33%)May 15, 2026
- Increased$296.1M(16202.46%)Aug 14, 2026
- Reduced$76.3M(-6.09%)Nov 14, 2024
- Increased$60.1M(1.10%)May 15, 2025
- Increased$126.7M(79.95%)Aug 14, 2025
- Sold$0(-100.00%)Nov 14, 2025
- New$92.5KFeb 17, 2026
- Reduced$71.9M(-18.93%)Aug 14, 2026
- Increased$19.3M(24.87%)Feb 14, 2024
- Increased$21.3M(0.09%)May 14, 2024
- Reduced$9.9M(-50.32%)Aug 14, 2024
- Increased$14.1M(25.27%)Nov 13, 2024
- Reduced$12.9M(-11.90%)Feb 13, 2025
- Increased$13.6M(16.07%)May 14, 2025
- Increased$21.7M(35.92%)Aug 13, 2025
- Reduced$3.4K(-87.00%)Nov 13, 2025
- Reduced$3.8K(-8.20%)Feb 13, 2026
- Reduced$1.8M(-50.67%)May 15, 2026
- Sold$0(-100.00%)Aug 14, 2026
- New$5.9MAug 14, 2025
- Reduced$901K(-87.32%)Nov 14, 2025
- Sold$0(-100.00%)Feb 17, 2026
- New$12.3MMay 15, 2026
- Sold$0(-100.00%)Aug 14, 2026
- Sold$0(-100.00%)Aug 14, 2024
- $3.2MAug 14, 2025
- Sold$0(-100.00%)Dec 9, 2025
- $3.3MMay 15, 2026
- Reduced$4M(-1.82%)Aug 14, 2026
- New$13.3MNov 13, 2023
- New$71.4MAug 14, 2024
- $16.2MMay 15, 2024
- $204.3KMay 15, 2024
Frequently asked questions
- How many institutional investors hold AMG?
- 3 tracked institutional investors disclosed a position in AMG (AFFILIATED MANAGERS GROUP IN) in their most recent 13F filing.
- Who is the largest institutional holder of AMG?
- Izzy Englander, Millennium Management, holds the largest disclosed position in AMG, valued at $309M.
- Did institutional ownership of AMG increase or decrease?
- Across recent 13F filings, tracked investors recorded 9 new positions, 12 increased, 11 reduced, and 6 fully exited AMG.
- Where does this AMG ownership data come from?
- SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.