SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC
Position in PRLB — Proto Labs Inc
CIK 1638555
Boston, MA
Position in PRLB
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$0
New position
Shares Held
0
first reported quarter
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2026
1 quarter on record
Derivatives in PRLB
reported options exposure · as of Mar 31, 2026CallValue
$5,702,000
CallShares
100,000
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Metal Fabrication
Industrials · as of Jun 30, 2026SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC holds $29,968,000 across 1 Metal Fabrication name.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MEC |
Mayville Engineering Company, Inc.
|
800,000 | $29,968,000 |
All Filings in PRLB
Export CSV
1 filing row on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $5,702,000 | 100,000 | Call | Sole | 2026-05-15 | |
| No filing history on record for this holder in this stock. | ||||||