Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.
APAM
ARTISAN PARTNERS ASSET MA -AData as of 2026 Q1 (03-31) · 13F snapshot
Summary
ARTISAN PARTNERS ASSET MA -A (APAM) is held by 6 tracked hedge-fund managers, a combined reported value of ~$64.25M; the largest are Ken Griffin, Izzy Englander, Renaissance Technologies. This quarter: 3 added, 1 trimmed, 1 closed. 1 members of Congress have disclosed STOCK Act trades. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Mixed
Gurus holding6
Congress trades1
Price$35.88vs quarter-end-1.40%
Sectors0
This quarter's moves
Top holderKen GriffinNew0
Added3
Trimmed / sold2
Value $5.38M— of portfolio110,0002021 Q3
Bill MillerHold
Value $2.01M0.1% of portfolio63,0002023 Q1
Value $975.3K— of portfolio26,8002026 Q1
Value $498.5K— of portfolio13,7002026 Q1
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Izzy EnglanderCALL | $5.38M | — | — |
| Bill Miller | $2.01M | 0.1% | Hold |
| Ken GriffinCALL | $975.3K | — | — |
| Ken GriffinPUT | $498.5K | — | — |