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Polar Asset Management Partners Inc.

Position in PRLB — Proto Labs Inc

CIK 1326389 TORONTO, A6

Position in PRLB

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$3,442,240
-$777,067 QoQ
Shares Held
60,369
-27.6% QoQ
Ownership
0.252%
of shares outstanding
% of Portfolio
0.15%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2020
4 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in PRLB Over Time

Shares Held

Position Value (USD)

Derivatives in PRLB

reported options exposure · as of Dec 31, 2020
CallValue
$15,340,000
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.

All Filings in PRLB

Export CSV
4 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $3,442,240 60,369
2025-12-31 $4,219,307 83,402
2025-09-30 $6,425,302 128,429
2020-12-31 $15,340,000 100,000