StockDriftsStockDriftsTop 50 Penbrook Management LLC Holdings
| Stock | Company | % Port. | Shares | Value | Activity | Ownership | Avg. Cost | Date |
|---|---|---|---|---|---|---|---|---|
| TRGP | TARGA RES CORP | 10.55% | 6.6K | $17.9M | -3.99%(-275) | $57.54(+408.83%) | 2026-09-30 | |
| AMZN | AMAZON COM INC | 7.61% | 51.8K | $12.9M | +0.00%(+0) | $38.99(+573.04%) | 2026-09-30 | |
| NVO | NOVO-NORDISK A S ADR | 6.97% | 311.5K | $11.8M | -1.49%(-4.70K) | $26.04(+47.55%) | 2026-09-30 | |
| MSFT | MICROSOFT CORP | 6.57% | 21.7K | $11.1M | -0.91%(-200) | $33.71(+1482.53%) | 2026-09-30 | |
| GOOGL | ALPHABET INC CAP STK CL A | 4.7% | 23.2K | $8.0M | +0.00%(+0) | $22.50(+1429.38%) | 2026-09-30 | |
| GOOG | ALPHABET INC CAP STK CL C | 4.51% | 22.5K | $7.7M | -0.44%(-100) | $34.59(+883.28%) | 2026-09-30 | |
| MCO | MOODYS CORP | 3.64% | 13.6K | $6.2M | +0.00%(+0) | $70.69(+580.80%) | 2026-09-30 | |
| CYRX | CRYOPORT INC | 2.06% | 201.1K | $3.5M | -0.78%(-1.59K) | $9.26(+83.42%) | 2026-09-30 | |
| ALLT | ALLOT LTD SHS | 1.88% | 377.4K | $3.2M | +37.09%(+102.10K) | $7.85(+14.85%) | 2026-09-30 | |
| PLAB | PHOTRONICS INC | 1.61% | 88.9K | $2.7M | -0.22%(-200) | $12.27(+131.02%) | 2026-09-30 |
| Performance Metric | 3-Year Annualized | 3-Year Cumulative | 5-Year Annualized | 5-Year Cumulative |
|---|---|---|---|---|
| Top 20 Holdings Weighted | +6.18% | +19.72% | +5.37% | +29.92% |
| Top 20 Holdings Unweighted | +15.85% | +55.49% | +6.75% | +38.62% |
Penbrook Management LLC reports $169.49M in US-listed equity holdings across 102 positions in its most recent 13F filing. Its largest disclosed positions are TRGP (10.6%), AMZN (7.6%) and NVO (7.0%). The top 20 holdings account for 63.4% of reported assets. Its disclosed equity book has returned +19.72% on a three-year cumulative basis. Figures reflect the Q3 2026 filing.
Portfolio changes
Every reported change this quarter, grouped by direction. The signal is in the rotation, not any single trade.
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Holdings on this page are parsed from Penbrook Management LLC’s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1381055). View Penbrook Management LLC’s 13F filings on SEC