Position in PUMP
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$4,536,484
New position
Shares Held
314,815
first reported quarter
Ownership
0.256%
of shares outstanding
% of Portfolio
0.24%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2026
1 quarter on record
Voting authority
Sole 100%
Shared 0%
None 0%
Position in Oil & Gas Equipment & Services
Energy · as of Jun 30, 2026Portolan Capital Management, LLC holds $8,641,484 across 1 Oil & Gas Equipment & Services name.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SEI |
Solaris Energy Infrastructure, Inc.
|
107,401 | $8,641,484 |
All Filings in PUMP
Export CSV
1 filing row on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $4,536,484 | 314,815 | Shares | Sole | 2026-05-15 | |
| No filing history on record for this holder in this stock. | ||||||