Why Affiliated Managers Group, Inc. (AMG) stock moved
Affiliated Managers Group, Inc. (AMG) shares fell 0.0% to $355.77 as of September 10, 2026, a slight decline from the prior close of $355.85. BestStocks flagged the session as a major change for AMG. The move is tied to price move down. Below, we break down what changed for AMG, why it matters for investors, how the stock reacted, and the catalysts on the calendar.
AMG fell 0.0% to $355.77
Affiliated Managers Group, Inc. (AMG) moved -2.56% from $369.69 to $360.22 on 2026-09-08. We checked news, earnings announcements, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. Volume was near its 5-day average, indicating routine trading activity. Monitor for AMG earnings results on 2026-11-02 and any analyst commentary on asset management industry trends.
What it means for Affiliated Managers Group, Inc. investors
For Affiliated Managers Group, Inc. investors, the recent signals add up to a bearish shift. On the constructive side: Affiliated Managers Group, Inc. (AMG) moved +3.71% from $366.00 to $379.59 on 2026-07-15; Affiliated Managers Group, Inc. (AMG) moved +0.40% from $364.96 to $366.41 on 2026-07-10, reaching a new 30-day high. Weighing against that: Material negative event; Negative session, down 0.0%. Wall Street's consensus price target sits at $410.00, implying +15.2% upside from $355.77. BestStocks rates the overall signal quality weak (28/100). With earnings roughly 53 days out, the next report is the most likely near-term test of the move.
AMG price reaction
AMG last traded at $355.77, down $0.08 (-0.02%) from the previous close of $355.85. The session traded on 0.3× average volume (below avg), so participation was unremarkable. Over the past month the stock has ranged between $352.61 and $374.37, and it currently sits about 15% of the way up that band.
Bullish and bearish analyst opinions on Affiliated Managers Group, Inc. (AMG)
The consensus analyst price target on Affiliated Managers Group, Inc. (AMG) is $410.00, 15.2% above the recent $355.77. Here is how the bullish and bearish cases on AMG line up.
The bullish case
- Wall Street's consensus price target of $410.00 implies +15.2% upside from $355.77.
- The Street's most bullish target is $425.00 (+19.5%).
- Affiliated Managers Group, Inc. (AMG) moved +3.71% from $366.00 to $379.59 on 2026-07-15.
The bearish case
- Material negative event.
- Negative session, down 0.0%.
- Affiliated Managers Group, Inc. (AMG) moved -6.98% from $366.12 to $340.58 on 2026-07-21.
Weighing both sides, BestStocks' composite read of recent signals is bearish, as the bull-versus-bear meter above shows. This is an educational summary of the bull and bear case, not investment advice.
Analyst price targets and ratings are FMP consensus figures as of Sep 10, 2026; other aggregators may differ. High and low targets show the range of estimates, not forecasts.
Previous notable changes for AMG
Frequently asked questions about AMG
Why did Affiliated Managers Group, Inc. (AMG) stock move?
AMG fell 0.0% to $355.77. No single company-specific catalyst was confirmed during the move window, and it looks technical.
How much did AMG stock fall?
AMG lost 0.02% ($0.08) versus the prior close of $355.85, last trading at $355.77 on 0.3× average volume.
When is Affiliated Managers Group, Inc.'s next earnings date?
AMG's next earnings report is estimated for 2026-11-02 — about 53 days away.
What is the analyst price target for AMG?
The consensus analyst price target for AMG is $410.00, about 15.2% above the current $355.77. Over the past 90 days, analysts recorded 0 upgrades, 0 maintains, and 0 downgrades.
How BestStocks tracks AMG
This page is generated automatically by BestStocks' change-detection system after price move down was detected and verified against independent data sources. It draws on 17 tracked change events for AMG, cross-checked against the data sources listed below. Price, volume, and market-capitalization figures are the live intraday quote as of September 10, 2026 and refresh as new information is detected; for companies with multiple share classes, market-cap figures can differ by data source. Analyst price targets and ratings are FMP consensus. This is an educational summary of what changed and why — not personalized investment advice.