Get started

Funds · AMG

Who owns AMG?

Institutional ownership of Affiliated Managers Group Inc. from Form 13F, Q2 2026

564 institutional managers reported holding Affiliated Managers Group Inc. (AMG) in Form 13F filings for Q2 2026, with 25,247,575 shares worth $8.5B. The largest reported holder was BlackRock, Inc. Managers that filed both quarters added a net 436,437 shares (+1.8%). 74 opened new positions and 52 sold out.

Funds holding
564
Value held
$8.5B
New / sold out
74 / 52
Net shares, same filers
+1.8%

Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

Largest holders of AMG

FundValueShare of 13F holdingsSharesMove
BlackRock, Inc.$938M11.0%2,772,736Trimmed
Morgan Stanley$503M5.9%1,487,219Trimmed
Vanguard Portfolio Management LLC$471M5.5%1,391,836Added
Vanguard Capital Management LLC$390M4.6%1,151,085Trimmed
Boston Partners$339M4.0%1,001,967Added
Ariel Investments, LLC$338M4.0%999,676Trimmed
State Street Corp$299M3.5%883,323Trimmed
Millennium Management LLC$296M3.5%875,116Added
Fuller & Thaler Asset Management, Inc.$290M3.4%857,756Added
Dimensional Fund Advisors LP$227M2.7%670,195Trimmed
Geode Capital Management, LLC$200M2.3%590,757Trimmed
LSV Asset Management$181M2.1%533,611Added
Lyrical Asset Management LP$160M1.9%472,886Trimmed
Allianz Asset Management GmbH$153M1.9%479,594Trimmed
Bank of America Corp$146M1.7%432,420Added
Invesco Ltd.$129M1.5%380,623Added
Norges Bank$122M1.4%361,473New
Northern Trust Corp$109M1.3%322,670Trimmed
Jane Street Group, LLC$105M1.2%309,134Added
Channing Capital Management, LLC$102M1.2%302,514Unchanged
Charles Schwab Investment Management Inc$97.4M1.1%287,795Trimmed
Bank of New York Mellon Corp$95.4M1.1%281,967Trimmed
Qube Research & Technologies Ltd$90.9M1.1%268,737Added
Goldman Sachs Group Inc$87.4M1.0%258,331Added
Fisher Asset Management, LLC$83.4M1.0%246,463Trimmed

Share of 13F holdings is each fund's shares as a share of the 25,247,575 AMG shares all 13F filers reported, not of shares outstanding.

Biggest buyers in Q2 2026

  1. Millennium Management LLC Added+$294M
  2. Norges Bank New+$122M
  3. Qube Research & Technologies Ltd Added+$38.7M
  4. Fuller & Thaler Asset Management, Inc. Added+$33.0M
  5. Goldman Sachs Group Inc Added+$24.7M
  6. Zurich Insurance Group Ltd New+$24.1M
  7. Capricorn Fund Managers Ltd New+$23.4M
  8. Invesco Ltd. Added+$21.7M
  9. LSV Asset Management Added+$19.2M
  10. Jane Street Group, LLC Added+$19.2M

Biggest sellers in Q2 2026

  1. Morgan Stanley Trimmed-$83.0M
  2. Artisan Partners Limited Partnership Sold out-$48.0M
  3. Woodline Partners LP Sold out-$40.4M
  4. BlackRock, Inc. Trimmed-$32.1M
  5. Clarkston Capital Partners, LLC Trimmed-$28.8M
  6. Voloridge Investment Management, LLC Trimmed-$26.0M
  7. Man Group plc Trimmed-$22.5M
  8. Ariel Investments, LLC Trimmed-$21.8M
  9. Russell Investments Group, Ltd. Trimmed-$21.1M
  10. Prana Capital Management, LP Sold out-$17.0M

The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $922M and sold $734M; 155 added and 212 trimmed.

Questions about AMG ownership

Who owns AMG stock?
564 institutional investment managers reported AMG positions in their Form 13F filings for Q2 2026, holding 25,247,575 shares worth $8.5B in total. BlackRock, Inc. reported the largest position.
Are funds buying or selling AMG?
In Q2 2026, 74 managers opened new AMG positions, 155 added, 212 trimmed and 52 sold out. Managers that filed in both quarters added a net 436,437 shares.
How current is this AMG institutional ownership data?
It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to AMG by CUSIP. Options are left out. AMG news and filings · AMG insider trades · Top funds