Artisan Partners Asset Management Inc.
Ownership
Ownership Structure
Who owns Artisan Partners Asset Management Inc. (APAM)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 90.5% of the shares are freely tradable; institutional investors hold 97.5%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 14.59 | 10,360,133 | +1.8 | 03/31/2026 |
| Kayne Anderson Rudnick Investment Management LLC | 7.84 | 5,564,382 | -2.6 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 5.82 | 4,130,599 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.27 | 3,031,631 | +0.0 | 03/31/2026 |
| State Street Corp | 4.00 | 2,842,095 | -0.3 | 03/31/2026 |
| Charles Schwab Investment Management Inc | 3.59 | 2,549,402 | -16.4 | 03/31/2026 |
| Vaughan Nelson Scarbrgh & Mccullough LP | 3.47 | 2,466,770 | -4.7 | 06/30/2026 |
| Morgan Stanley - Brokerage Accounts | 2.97 | 2,107,655 | +4.2 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 6.10 | 4,327,775 | +0.0 | 08/31/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.02 | 2,147,577 | +0.4 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Ramirez Gregory K | Executive Vice President | 109,194 | 3,985,581 $ | Aug 19, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 19, 2026 | Ramirez Gregory K | Executive Vice President | Sell | 7,000 | 42.59 | 298,143 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.