MetaCap

Affiliated Managers Group Stock Price History

NYSE: AMGFinanceInvestment ManagersUSD

387.26+0.27 (+0.07%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

AMG price history at a glance

The price history for Affiliated Managers Group (AMG) on this page begins on November 17, 1997, when the stock closed at $17.67; it most recently closed at $387.26 on October 5, 2026. The highest price in this record is $393.42, reached on October 5, 2026; the latest close is 1.6% below that peak. Across the 28 complete calendar years in the table, AMG finished higher in 18 and lower in 10. Its best year was 2021 (+61.8%) and its worst was 2008 (-59.2%).

Over roughly 29 years the share price changed +2092.0%, a 11.3% compound annual price return (excluding dividends). In the last 12 months alone, AMG has gained 60.1%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.

Summary generated from market data by MetaCap's automated system. Methodology

Key price levels

High since 1997
$393.42
Date of high
Oct 5, 2026
Low since 1997
$8.92
Date of low
Oct 5, 1998
Last close
$387.26

AMG returns

1 week

+4.26%

1 month

+8.83%

3 months

+5.69%

6 months

+35.71%

Year to date

+34.33%

1 year

+60.14%

3 years

+209.02%

5 years

+141.98%

AMG price return, excluding dividends.

AMG annual returns

Calendar-year price returns
YearYear-end closeReturn
2026387.26+34.07%
2025288.85+53.20%
2024188.55+24.52%
2023151.42-4.42%
2022158.43-3.70%
2021164.51+61.76%
2020101.70+22.60%
201982.95-17.59%
2018100.65-50.96%
2017205.25+41.26%
2016145.30-9.05%
2015159.76-24.08%
2014210.43-1.83%
2013214.36+56.35%
2012137.10+42.89%
201195.95-3.30%
201099.22+47.32%
200967.35+55.04%
200843.44-59.18%
2007106.43+1.24%
2006105.13+31.00%
200580.25+18.47%
200467.74+45.66%
200346.51+35.85%
200234.23-28.68%
200148.00+31.21%
200036.58+35.70%
199926.96+35.36%
199819.92+3.69%
1997*19.21+8.73%

* Partial year: the record begins after the start of 1997; return measured from the first available close.

2026 return is year to date.

AMG daily prices (past year)

Daily open, high, low, close and volume
DateOpenHighLowCloseChange
388.36391.38384.68387.26+0.07%
375.88393.42375.84386.99+2.63%
374.24377.91370.44377.09-0.69%
381.97385.86375.60379.72-0.26%
373.57384.57371.52380.70+2.50%
375.31379.86371.40371.43-0.14%
365.19375.00364.02371.95+1.73%
369.42375.63365.09365.61-1.35%
368.05372.12364.16370.61+0.67%
371.42373.04356.18368.13-1.49%
372.94379.06371.46373.69+0.80%
366.91371.85361.44370.71+1.24%
357.59369.88357.59366.17+1.63%
366.04366.39355.27360.28-1.20%
359.65366.13356.16364.66+2.49%
353.24358.39349.58355.80+1.03%
348.00356.02346.66352.18+2.73%
348.66352.66339.87342.82-1.47%
348.78354.47344.60347.94-0.58%
353.41357.43342.55349.98-1.58%
360.43360.43352.59355.61+0.30%
354.28358.75350.99354.53-0.37%
359.57359.81354.11355.85-1.21%
368.91370.00359.49360.22-2.70%
363.09371.80361.40370.22+1.10%
359.70368.35358.00366.18+2.72%
362.00374.09354.73356.47-1.19%
363.73372.80360.26360.75-2.02%
370.85375.61367.97368.19-0.72%
371.23376.75368.70370.87+0.11%
370.14374.92367.55370.48-0.03%
366.13373.73363.33370.59+1.45%
360.85367.10358.18365.28+1.77%
355.67364.95351.77358.94+0.77%
356.02367.35355.55356.21+1.02%
354.68358.04350.76352.61-0.79%
365.31367.86355.18355.41-2.24%
370.00370.21360.78363.57-2.11%
371.89375.99368.23371.40-0.79%
364.61374.90363.28374.37+1.98%
364.77370.87360.58367.10+1.30%
360.90365.33358.25362.40+0.93%
363.81370.79358.95359.07-1.19%
368.11371.75361.81363.39-1.71%
373.07378.32367.91369.70-0.67%
376.65379.02372.07372.18-0.92%
387.61390.99375.45375.62-2.03%
382.72392.92382.37383.42+0.66%
368.70384.11368.70380.89+3.86%
366.13375.41365.00366.73+0.35%
363.70374.86355.00365.46+1.50%
366.01370.75360.07360.07-2.72%
364.04375.00360.95370.12+1.74%
361.66369.58359.02363.80+1.54%
349.01358.68347.95358.29+3.02%
344.11348.75338.44347.77+0.31%
340.85356.05340.85346.70+1.80%
368.21373.55328.11340.58-6.98%
373.24377.16365.86366.12-1.00%
367.77373.74359.94369.83-1.85%
377.11381.06373.13376.79-0.74%
370.00382.75369.93379.59+3.71%
359.98368.86359.98366.00+1.73%
365.58369.14357.86359.78-1.81%
368.40369.94366.20366.41+0.40%
359.39366.47356.31364.96+2.44%
357.85360.31353.68356.27-0.96%
360.45361.75354.40359.72+0.87%
345.34357.85344.44356.61+3.49%
340.79345.61337.96344.60+2.28%
338.50348.50336.76336.91-0.44%
344.33349.21336.36338.40-1.19%
342.05343.94334.20342.46+0.14%
340.19344.55337.57341.98+0.56%
342.52346.59337.35340.08+0.29%
350.15350.38337.51339.10-3.18%
352.27356.34349.35350.22-1.98%
354.92358.99349.00357.31+1.25%
361.53361.78351.16352.90-0.78%
357.42362.94353.94355.67-0.51%
355.85359.49353.92357.50+1.29%
359.30363.89352.12352.93-0.48%
347.08355.55346.00354.62+2.99%
341.13345.81335.56344.33+2.68%
339.42346.79334.60335.34-1.98%
339.58348.15333.01342.12+1.63%
337.09345.07334.98336.62-0.06%
332.71338.07328.38336.81+0.59%
312.62336.76312.62334.82+7.45%
306.52312.87299.81311.61+0.35%
302.39312.30301.90310.52+2.67%
302.39307.35300.04302.45-0.13%
303.16307.10301.70302.85-0.04%
305.88308.71301.63302.96-1.61%
308.95313.35303.51307.92-0.24%
304.08309.75303.30308.65+2.22%
303.53306.47295.78301.96-0.22%
299.42302.84295.41302.63+0.43%
296.93303.53294.99301.34+2.18%
296.56299.57293.49294.90-0.72%
293.97301.39291.25297.03+1.06%
299.72301.10293.18293.91-2.71%
305.82307.78301.48302.10-0.45%
301.33304.57296.32303.48+0.65%
300.74303.22296.37301.53+0.08%
302.60304.65298.39301.28-0.50%
299.27303.40290.90302.80+1.69%
308.84310.97296.44297.76-2.70%
307.28308.89303.17306.02+0.78%
298.83305.97295.82303.64+2.05%
292.07305.08291.71297.53+2.22%
301.76317.81285.96291.07-1.22%
288.19297.72285.00294.67+1.93%
292.53293.60287.18289.10-1.15%
292.63295.24289.39292.47+0.31%
287.18293.56286.31291.57+1.44%
287.82291.23283.93287.44+1.07%
299.16299.88270.35284.39-5.61%
303.10305.46298.89301.30+0.13%
302.82306.73299.51300.91-0.02%
294.33301.46293.00300.97+2.03%
302.62308.06291.19294.98-1.48%
301.60304.04295.92299.41-0.58%
305.73306.74299.81301.15-0.68%
293.45305.87293.45303.21+4.16%
281.44292.64281.44291.10+2.01%
285.58286.33280.66285.36-0.34%
288.08291.32283.31286.32-0.06%
279.22287.14279.22286.48+5.98%
265.81272.00264.97270.31+1.12%
265.01269.68264.01267.31+0.68%
267.06270.74254.44265.51-2.92%
280.67283.21273.25273.50-1.16%
275.00281.15271.10276.70+2.53%
272.19275.37268.50269.88+0.33%
274.94276.50267.98268.98-2.66%
277.25277.27270.08276.34-1.54%
278.40283.38277.54280.66+1.85%
272.34277.21269.82275.55+0.10%
285.44286.76274.88275.28-1.04%
278.86280.76274.16278.17-0.18%
275.09282.38273.35278.67+1.10%
275.45281.06273.84275.65-1.15%
276.97285.30276.97278.86+2.12%
276.47278.85271.48273.08+0.42%
273.54276.58270.06271.95+0.56%
275.99278.86267.23270.43-4.13%
280.14286.32271.57282.08+0.45%
283.54287.61277.30280.82-0.25%
280.39283.20269.94281.53-1.48%
291.30291.30280.96285.77-4.48%
301.00306.10291.25299.18-1.30%
313.26313.26300.85303.13-2.31%
303.60312.36296.45310.30-0.84%
301.33315.89300.62312.92+2.20%
307.55307.55297.21306.18-2.16%
315.00318.90308.66312.94+0.10%
305.12312.79301.97312.63+3.47%
291.29302.44291.06302.14+3.72%
286.90292.16279.02291.29+1.25%
319.47319.76285.63287.69-10.72%
327.77330.35320.52322.23-2.58%
323.95334.78321.32330.75+2.40%
331.95332.85319.35323.01-2.06%
330.38330.38319.32329.79+0.26%
308.09329.19304.12328.95+6.77%
304.65310.60289.80308.09+1.41%
304.75308.43299.17303.80-0.27%
304.35309.54304.34304.62-0.29%
306.54313.32300.00305.50+1.31%
307.32309.00294.15301.55-3.11%
307.55313.17303.58311.24+0.92%
316.92319.85302.08308.40-2.50%
313.38317.40310.62316.32+1.03%
310.25315.51309.70313.09+0.10%
316.06319.46309.53312.77-0.26%
309.45315.09307.44313.58+1.96%
314.87315.50304.92307.56-1.67%
321.27322.43309.35312.77-2.20%
327.00327.30319.02319.82-2.96%
330.54334.00328.37329.57+0.49%
321.61331.73321.50327.96+2.88%
323.48330.00317.10318.78-2.25%
321.22327.53321.22326.12+1.21%
317.57325.66317.57322.23+2.23%
312.00315.94310.00315.19+1.40%
310.71313.56309.32310.84-0.46%
305.50313.24303.76312.29+1.38%
306.39309.35305.50308.03+0.23%
306.45311.51305.34307.31-0.13%
309.79309.79303.80307.70-0.84%
303.63310.32300.80310.31+2.22%
288.93305.63288.93303.57+5.10%
288.75291.21287.33288.85+0.20%
289.58291.87287.54288.28-0.71%
292.00293.35286.32290.35-0.59%
294.98298.04290.02292.08-1.35%
291.68299.69291.42296.07+1.70%
293.03293.74290.88291.13-0.40%
287.56292.43287.56292.29+1.61%
280.50287.86279.86287.67+3.07%
275.91280.52275.38279.09+1.55%
274.83276.99272.35274.83+1.22%
274.94277.65269.51271.51-0.60%
275.89275.95270.00273.15-0.81%
281.89281.89273.34275.37-0.74%
281.98281.98275.20277.41-0.98%
279.84283.22277.04280.16+0.20%
271.77280.71270.00279.60+3.15%
271.05276.20270.00271.06+0.31%
273.51275.61267.26270.21-1.09%
270.80274.16270.45273.19+0.55%
272.17276.40268.14271.69+0.05%
266.39272.16266.39271.55+2.03%
268.58276.24264.01266.16-0.53%
266.41272.00266.41267.58-0.46%
264.01270.28264.01268.83+0.46%
266.24271.48265.39267.60+0.56%
260.60266.30259.84266.11+1.09%
257.08263.59256.79263.23+2.48%
254.43258.82252.00256.87+1.56%
257.83261.27251.33252.92-0.37%
250.25254.41248.11253.85+1.35%
250.17253.20246.11250.46-0.31%
257.74259.60248.71251.23-2.74%
257.32259.99254.90258.31-0.30%
262.09265.59257.35259.10-2.15%
258.02264.81256.92264.80+2.78%
259.83260.60256.44257.65-0.74%
262.00262.68258.05259.57+0.12%
258.09259.33251.19259.26+0.18%
256.87261.32254.96258.79+0.80%
252.43259.47251.49256.74+2.11%
256.54256.54250.87251.44-2.00%
247.90256.81242.77256.56+7.82%
236.96240.91236.32237.96+0.54%
237.19240.19236.50236.68-0.51%
238.02240.76235.04237.90-1.10%
240.53241.82239.03240.55-0.60%
242.99247.66241.84242.01+0.72%
238.95243.00237.13240.27+0.55%
238.79241.60235.98238.95+0.86%
238.82239.97234.23236.91-0.79%
240.78245.35237.82238.80-1.77%
237.69244.33236.59243.10+3.18%
233.45236.68231.53235.60+0.75%
240.28242.73232.19233.85-2.06%
241.59242.50236.49238.78-0.15%
235.05243.65235.05239.13+1.01%
233.62238.58233.62236.75+2.59%
241.58244.03230.26230.78-4.57%
243.81245.93239.54241.83—

Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the AMG chart for longer ranges.