Artisan Partners Asset Management Inc.
APAM- Exchange
- NYSE
- Industry
- Investment Advice
- SEC CIK
- 0001517302
In the last 90 days, Artisan Partners Asset Management Inc. insiders filed 0 open-market purchases and 1 sale; 381 institutions reported holding it in 13F filings for Q2 2026, worth $2.41B in total; no superinvestor holds it.
Holders of 5% or more of APAM
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Artisan Partners Asset Management Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 14.60%10.2M shares | – | Apr 29, 20251 filing | Apr 29, 2025 | SEC |
| Colson Eric R | 13D/A | 10.20%7.28M shares | – | Jan 5, 20261 filing | Jan 5, 2026 | SEC |
| Kayne Anderson Rudnick Investment Management LLC | 13G/A | 8.10%5.72M shares | – | Feb 13, 20261 filing | Feb 13, 2026 | SEC |
| Vanguard Portfolio Management LLC | 13G | 5.91%4.17M shares | New | Apr 28, 20261 filing | Apr 28, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 5.05%3.56M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
6 Schedule 13D and 13G filings on Artisan Partners Asset Management Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Apr 29, 20264:38 PM ET | Vanguard Capital Management LLC | 13G | 5.05%3.56M shares | New | Mar 31, 2026 | SEC |
| Apr 28, 20264:13 PM ET | Vanguard Portfolio Management LLC | 13G | 5.91%4.17M shares | New | Mar 31, 2026 | SEC |
| Mar 26, 20263:45 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Feb 13, 20264:05 PM ET | Kayne Anderson Rudnick Investment Management LLC | 13G/A | 8.10%5.72M shares | – | Dec 31, 2025 | SEC |
| Jan 5, 20264:05 PM ET | Colson Eric Rand 2 others | 13D/A | 10.20%7.28M shares | – | Dec 31, 2025 | SEC |
| Apr 29, 20254:15 PM ET | BlackRock, Inc. | 13G/A | 14.60%10.2M shares | – | Mar 31, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Artisan Partners Asset Management Inc. shares.
No Form 144 notices for Artisan Partners Asset Management Inc. are on file.