Graham Corporation shares owned by Portolan Capital Management
Quarter-by-quarter ownership of Graham Corporation (GHM) shares owned by Portolan Capital Management
from 13F filings
Historical chart of Portolan Capital Management investment in Graham Corporation
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Quarterly reported holdings in Graham Corporation by Portolan Capital Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2026-03-31 | $8.2M | 104k | 78.92 |
More positions owned by Portolan Capital Management
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