What Makes Penumbra (PEN) a Good Investment Choice?
Artisan Partners, an investment management company, released its fourth-quarter 2025 investor letter for “Artisan Small Cap Fund”. A copy of the letter can be downloaded here.
| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | HBK Investments David Costen Haley | 1,634,261 | $536,642,285 | 5.45% | |
| 2. | Millennium Management Israel Englander | 1,098,136 | $360,594,918 | +63% | 0.15% |
| 3. | Balyasny Asset Management Dmitry Balyasny | 762,096 | $250,249,464 | +371% | 0.32% |
| 4. | ExodusPoint Capital Michael Gelband | 465,215 | $152,762,650 | +2039% | 1.21% |
| 5. | Whitebox Advisors Andy Redleaf | 445,001 | $146,124,978 | 1.8% |
| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
|---|---|---|---|---|---|---|
| $156.40 | 700 | $109,480.00 | 3,850 | 2018-05-25 | Filing | |
| $25.50 | 1,538 | $39,219.00 | 2,538 | 2016-05-19 | Filing |
| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
|---|---|---|---|---|---|---|
| $328.22 | 100 | $32,822.00 | 8,719 | 2026-04-02 | Filing | |
| $342.30 | 2,432 | $832,473.60 | 18,353 | 2026-03-02 | Filing | |
| $312.64 | 186 | $58,151.04 | 8,230 | 2026-01-06 | Filing | |
| $310.72 | 186 | $57,793.92 | 0 | 2026-01-02 | Filing | |
| $312.20 | 1,895 | $591,619.00 | 258,462 | 2025-12-11 | Filing |
| No. | Name | Shares | Value | % Port |
|---|---|---|---|---|
| 1. | 4,330,456 | $1,421,991,758 | 0.02% | |
| 2. | 1,694,488 | $556,419,025 | 0.01% | |
| 3. | 1,654,477 | $543,280,612 | 0.03% | |
| 4. | 840,427 | $275,971,015 | 0.28% | |
| 5. | 620,943 | $203,899,053 | 0.09% |