Institutions / Penbrook Management LLC
Penbrook Management LLC
CIK 1381055 · Institution · as of Mar 31, 2026
Portfolio value
$132.06M
Positions
93
As of
Mar 31, 2026
Portfolio trend
Portfolio value
$132.06M-8.9%Positions
93-4.1%Top holdings
Mar 31, 2026View all 93 →
| Company | Value | % of portfolio |
|---|---|---|
| Novo-Nordisk a S Adr | $11.62M | 8.8% |
| Amazon.com Inc | $10.78M | 8.2% |
| Microsoft Corp | $8.23M | 6.2% |
| Alphabet Inc. | $6.66M | 5.0% |
| Alphabet Inc. | $6.47M | 4.9% |
| Moody's Corp | $5.93M | 4.5% |
| Photronics Inc | $3.91M | 3.0% |
| Planet Labs PBC | $2.96M | 2.2% |
| Aehr Test Systems | $2.95M | 2.2% |
| Seabridge Gold Inc. | $2.72M | 2.1% |
| Vermilion Energy Inc. | $2.72M | 2.1% |
| Prothena Corp Public Ltd Co | $2.64M | 2.0% |
| Viemed Healthcare, Inc.VMD | $2.51M | 1.9% |
| Electrovaya Inc Com New | $2.30M | 1.7% |
| Thomson Reuters Corp Com | $2.23M | 1.7% |
| Blackstone Inc | $2.09M | 1.6% |
| Alkami Technology, Inc. | $2.00M | 1.5% |
| CuriosityStream Inc.CURI | $2.00M | 1.5% |
| Nuveen New York Municipal Value FundNNY | $1.78M | 1.4% |
| Targa Resources Corp | $1.73M | 1.3% |
| Warren E. Buffett | $1.58M | 1.2% |
| Cryoport, Inc. | $1.54M | 1.2% |
| Verizon Communications Inc | $1.50M | 1.1% |
| Energy Transfer LPET | $1.44M | 1.1% |
| Cisco Systems, Inc. | $1.42M | 1.1% |
Activity
Mar 31, 2026View full history →
InsidersInstitutions
This fund's 13F position changes — what it's buying and selling.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Q1 2026 as of | Trim | Planet Labs PBC | $-5.29M | -189K -64.14% | 105,870 2.24% of portfolio | medium |
| Q1 2026 as of | New | Prothena Corp Public Ltd Co | $2.64M | +272K | 271,720 2.00% of portfolio | low |
| Q1 2026 as of | Trim | Aehr Test Systems | $-1.31M | -35K -30.80% | 79,515 2.23% of portfolio | low |
| Q1 2026 as of | Exit | Synchrony Financial | $-1.29M | -16K -100.00% | — | low |
| Q1 2026 as of | New | Extreme Networks Inc | $1.26M | +84K | 83,525 0.95% of portfolio | low |
| Q1 2026 as of | Add | Cryoport, Inc. | $1.10M | +133K +251.61% | 185,775 1.16% of portfolio | low |
| Q1 2026 as of | Add | CURI CuriosityStream Inc. Common Stock | $970.4K | +328K +94.40% | 675,150 1.51% of portfolio | low |
| Q1 2026 as of | Add | Magnite, Inc. | $963.2K | +81K +260.57% | 112,190 1.01% of portfolio | low |
| Q1 2026 as of | Exit | Cohu Inc | $-891.2K | -38K -100.00% | — | low |
| Q1 2026 as of | Trim | Popular, Inc. | $-852.0K | -6K -53.59% | 5,500 0.56% of portfolio | low |