Why Affiliated Managers Group (AMG) Stock Is Down Today

Affiliated Managers Group (AMG) is down 8.4% today. Here is some analysis on what might have caused this price movement.

Analysis: The catalyst is not completely clear, but the drop appears tied more to positioning and sentiment than to a fresh negative corporate announcement. AMG has not posted a new earnings release since May 1 or a new press release since July 1, so this could be because investors are taking profits or reducing exposure ahead of the company’s next quarterly update. ([ir.amg.com](https://ir.amg.com/news-releases))

Details:

AMG’s investor relations site shows its latest press release was a July 1 update tied to myCIO Wealth Partners, not a companywide earnings warning or major adverse event. ([ir.amg.com](https://ir.amg.com/news-releases))

The most recent quarterly results on May 1 showed strong first-quarter momentum, including record net client cash flows above $22 billion, higher assets under management, and year-over-year earnings growth. ([ir.amg.com](https://ir.amg.com/node/20321/html))

The company’s filings page does not show a new July 2026 8-K or other material corporate filing tied to today’s selloff; the latest listed 8-K is dated June 9, 2026. ([ir.amg.com](https://ir.amg.com/sec-filings?items_per_page=10&order=field_nir_sec_form&page=1&sort=asc))

AMG previously expanded its capital return program, with about 6 million shares available for repurchase as of late January, which suggests today’s weakness is happening despite a shareholder-friendly backdrop. ([ir.amg.com](https://ir.amg.com/static-files/0d522de6-f45f-4b74-b69f-4e6355f68120))

Sources:

Affiliated Managers Group Investor Relations, SEC, MarketBeat

Disclaimer: This price movement analysis was generated with the help of AI. Please double-check the information provided for mistakes.

$AMG Insider Trading Activity

$AMG insiders have traded $AMG stock on the open market 5 times in the past 6 months. Of those trades, 2 have been purchases and 3 have been sales.

Here’s a breakdown of recent trading of $AMG stock by insiders over the last 6 months:

JAY C. HORGEN (President and CEO) sold 17,500 shares for an estimated $5,919,725
THOMAS M WOJCIK (President and COO) sold 8,000 shares for an estimated $2,290,400
KAVITA PADIYAR (General Counsel & Corp. Sec.) sold 2,200 shares for an estimated $612,128
G. STALEY CATES purchased 1,500 shares for an estimated $458,745
ANNETTE FRANQUI purchased 750 shares for an estimated $228,660

To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.

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$AMG Hedge Fund Activity

We have seen 247 institutional investors add shares of $AMG stock to their portfolio, and 188 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

MILLENNIUM MANAGEMENT LLC removed 790,642 shares (-99.3%) from their portfolio in Q1 2026, for an estimated $218,770,641
CLARKSTON CAPITAL PARTNERS, LLC removed 590,411 shares (-65.3%) from their portfolio in Q1 2026, for an estimated $163,366,723
BALYASNY ASSET MANAGEMENT L.P. removed 231,675 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $64,104,472
JANE STREET GROUP, LLC added 212,426 shares (+530.0%) to their portfolio in Q1 2026, for an estimated $58,778,274
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO removed 192,719 shares (-99.7%) from their portfolio in Q1 2026, for an estimated $53,325,347
HOLOCENE ADVISORS, LP removed 184,010 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $50,915,567
BANK OF AMERICA CORP /DE/ added 176,246 shares (+75.5%) to their portfolio in Q1 2026, for an estimated $48,767,268

To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.

$AMG Price Targets

Multiple analysts have issued price targets for $AMG recently. We have seen 2 analysts offer price targets for $AMG in the last 6 months, with a median target of $409.5.

Here are some recent targets:

Bill Katz from TD Cowen set a target price of $454.0 on 05/13/2026
Alexander Paris from Barrington Research set a target price of $365.0 on 04/27/2026

This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.