Tower Semiconductor shares owned by Portolan Capital Management
Quarter-by-quarter ownership of Tower Semiconductor (TSEM) shares owned by Portolan Capital Management
from 13F filings
Historical chart of Portolan Capital Management investment in Tower Semiconductor
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Quarterly reported holdings in Tower Semiconductor by Portolan Capital Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $24M | 327k | 72.30 |
| 2025-06-30 | $4.8M | 110k | 43.35 |
| 2024-12-31 | $3.8M | 75k | 51.51 |
| 2015-12-31 | $7.6M | 543k | 14.06 |
| 2015-09-30 | $13M | 1.0M | 12.87 |
| 2015-06-30 | $6.1M | 397k | 15.44 |
| 2015-03-31 | $4.8M | 283k | 16.98 |
More positions owned by Portolan Capital Management
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