Stocks › AMG
AFFILIATED MANAGERS GROUP, INC.
AMG·NYSE·
United States·USD
United States·USD$379.72
-0.98 (-0.26%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
AMG
AFFILIATED MANAGERS GROUP, INC. · NYSE
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
AMGS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of AMG by members of U.S. Congress · 79 on record
Whale Activity
Position changes in AMG reported for 2026-06-30 by 15 tracked institutional filers
- Increased5
- New0
- Held0
- Decreased4
- Closed2
- No prior filing4
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 2.8M | $938.3M | decreased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.4M | $471.0M | increased |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.2M | $389.5M | decreased |
| MILLENNIUM MANAGEMENT LLC | 875.1K | $296.1M | increased |
| FULLER & THALER ASSET MANAGEMENT, INC. | 857.8K | $290.3M | — |
| BRUNI J V & CO /CO | 210.1K | $71.1M | — |
| CITADEL ADVISORS LLC | 198.5K | $67.2M | decreased |
| Kiltearn Partners LLP | 184.6K | $62.5M | — |
| RENAISSANCE TECHNOLOGIES LLC | 117.4K | $39.7M | increased |
| NORTH STAR ASSET MANAGEMENT INC | 67.0K | $22.7M | — |
| D. E. Shaw & Co., Inc. | 42.8K | $14.5M | increased |
| Altar Rock LLC | 10.7K | $3.6M | decreased |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by AMG insiders, by quarter · Form 4
Recent Insider Transactions
992 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Palandjian Tracy P.Director | Tax withholding | −685 | $354.62 | $243K | Jun 12, 2026 | Form 4 ↗ |
| Palandjian Tracy P.Director | Option exercise | +2,958 | $82.07 | $243K | Jun 12, 2026 | Form 4 ↗ |
| Horgen Jay C.President and CEO · Director | Sale | −17.5K | $338.27 | $5.9M | Jun 8, 2026 | Form 4 ↗ |
| Horgen Jay C.President and CEO · Director | Tax withholding | −39.7K | $336.62 | $13.4M | Jun 8, 2026 | Form 4 ↗ |
| Horgen Jay C.President and CEO · Director | Option exercise | +75.0K | $74.49 | $5.6M | Jun 8, 2026 | Form 4 ↗ |
| FRANQUI ANNETTEDirector | Purchase | +750 | $304.88 | $229K | Jun 1, 2026 | Form 4 ↗ |
| Matos Rodriguez Felix V.Director | Sale | −1,000 | $300.18 | $300K | May 8, 2026 | Form 4 ↗ |
| Ryan David ChristopherDirector | Sale | −3,402 | $305.06 | $1.0M | May 6, 2026 | Form 4 ↗ |
| Cates G. StaleyDirector | Purchase | +1,500 | $305.83 | $459K | May 6, 2026 | Form 4 ↗ |
| Padiyar KavitaGeneral Counsel & Corp. Sec. | Sale | −2,200 | $278.24 | $612K | Mar 9, 2026 | Form 4 ↗ |
| Wojcik Thomas MPresident and COO | Sale | −8,000 | $286.30 | $2.3M | Mar 6, 2026 | Form 4 ↗ |
| Wojcik Thomas MPresident and COO | Tax withholding | −9,136 | $299.18 | $2.7M | Mar 5, 2026 | Form 4 ↗ |
| Wojcik Thomas MPresident and COO | Grant / award | +10.6K | $0.00 | $0 | Mar 5, 2026 | Form 4 ↗ |
| Wojcik Thomas MPresident and COO | Option exercise | +7,272 | $0.00 | $0 | Mar 5, 2026 | Form 4 ↗ |
| Padiyar KavitaGeneral Counsel & Corp. Sec. | Tax withholding | −2,282 | $299.18 | $683K | Mar 5, 2026 | Form 4 ↗ |
| Padiyar KavitaGeneral Counsel & Corp. Sec. | Grant / award | +2,426 | $0.00 | $0 | Mar 5, 2026 | Form 4 ↗ |
| Padiyar KavitaGeneral Counsel & Corp. Sec. | Option exercise | +2,288 | $0.00 | $0 | Mar 5, 2026 | Form 4 ↗ |
| Horgen Jay C.Chief Executive Officer · Director | Tax withholding | −18.3K | $299.18 | $5.5M | Mar 5, 2026 | Form 4 ↗ |
| Horgen Jay C.Chief Executive Officer · Director | Grant / award | +27.3K | $0.00 | $0 | Mar 5, 2026 | Form 4 ↗ |
| Horgen Jay C.Chief Executive Officer · Director | Option exercise | +17.6K | $0.00 | $0 | Mar 5, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding AMG · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF iShares Trust | 903.9K | $305.9M | 0.25% | Jun 30, 2026 |
| FULLERTHALER BEHAVIORAL SMALL CAP EQUITY Capitol Series Trust | 815.8K | $276.1M | 2.18% | Jun 30, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 796.4K | $269.5M | 0.01% | Jun 30, 2026 |
| Eaton Vance Atlanta Capital SMID-Cap Fund Eaton Vance Growth Trust | 785.1K | $265.7M | 3.02% | Jun 30, 2026 |
| Disciplined Value Mid Cap Fund John Hancock Funds III | 687.0K | $232.5M | 1.00% | Jun 30, 2026 |
| VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | 575.6K | $194.8M | 0.10% | Jun 30, 2026 |
| VANGUARD SMALL-CAP VALUE INDEX FUND VANGUARD INDEX FUNDS | 364.5K | $123.4M | 0.18% | Jun 30, 2026 |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 302.8K | $102.5M | 0.10% | Jun 30, 2026 |
| Invesco S&P MidCap Momentum ETF Invesco Exchange-Traded Fund Trust | 262.4K | $96.2M | 1.34% | Jul 31, 2026 |
| Ariel Fund Ariel Investment Trust | 281.0K | $95.1M | 3.28% | Jun 30, 2026 |
Mutual funds and ETFs whose N-PORT filings list AMG's shares (CUSIP 008252108), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming affiliated managers as client
No lobbying filings found naming AFFILIATED MANAGERS GROUP, INC. as the client.
- MILLER & CHEVALIER CHARTEREDAFFILIATED MANAGERS GROUP, INC. · 2019 Q4—
Filing ↗ - MILLER & CHEVALIER CHARTEREDAFFILIATED MANAGERS GROUP, INC. · 2019 Q3—
Filing ↗ - MILLER & CHEVALIER CHARTEREDAFFILIATED MANAGERS GROUP, INC. · 2019 Q2—
Filing ↗ - MILLER & CHEVALIER CHARTEREDAFFILIATED MANAGERS GROUP, INC. · 2019 Q1—
Filing ↗ - MILLER & CHEVALIER CHARTEREDAFFILIATED MANAGERS GROUP, INC. · 2018 Q4—
Filing ↗
Government Contracts
Federal awards to AFFILIATED MANAGERS GROUP, INC. · USAspending
No federal contract awards found for AFFILIATED MANAGERS GROUP, INC..
U.S. Patents
Recent USPTO applications naming AFFILIATED MANAGERS GROUP, INC.
No USPTO patent applications found for AFFILIATED MANAGERS GROUP, INC..
Annual Financials
From AMG's 10-K filings · XBRL
No annual XBRL figures on record for AMG. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
- 3-for-2Stock splitMar 30, 2004
Split dates and ratios from the price history · Close Prices from Tiingo.com
Material Events (8-K)
Corporate events filed with the SEC
- 8-K · Items 2.02, 8.01, 9.01Results of operations · Other eventsJul 30, 2026
EDGAR ↗ - 8-K · Items 1.01, 2.03, 9.01Material agreement · Direct financial obligationJun 9, 2026
EDGAR ↗ - 8-K · Items 5.07Shareholder voteMay 28, 2026
EDGAR ↗ - 8-K · Items 2.02, 8.01, 9.01Results of operations · Other eventsMay 1, 2026
EDGAR ↗
About AFFILIATED MANAGERS GROUP, INC.
From SEC EDGAR company records
Industry (SIC 6282)Investment Advice
SectorFinancials
HeadquartersJUPITER, FL
IncorporatedDE
SEC CIK0001004434 ↗
Former namesAFFILIATED MANAGERS GROUP INC