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Campbell & CO Investment Adviser LLC

Position in PRLB — Proto Labs Inc

CIK 1353570 BALTIMORE, MD

Position in PRLB

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$3,488,464
+$2,622,445 QoQ
Shares Held
42,798
+181.8% QoQ
Ownership
0.179%
of shares outstanding
% of Portfolio
0.18%
of 13F equity value
Holder Rank
#55
of 276 holders
Holding Since
Jun 2022
13 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in PRLB Over Time

Shares Held

Position Value (USD)

Position in Metal Fabrication

Industrials · as of Jun 30, 2026

Campbell & CO Investment Adviser LLC holds $9,693,919 across 5 Metal Fabrication names. PRLB ranks #2 (36.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 PRLB
Proto Labs Inc
This page
42,798 $3,488,464

All Filings in PRLB

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13 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,488,464 42,798
2026-03-31 $866,019 15,188
2025-12-31 $2,100,496 41,520
2025-09-30 $1,294,526 25,875
2025-06-30 $1,340,178 33,471
2024-12-31 $635,525 16,258
2024-09-30 $276,401 9,411
2024-06-30 $433,294 14,027
2024-03-31 $355,712 9,950
2023-12-31 $408,456 10,484
2023-09-30 $360,386 13,651
2022-12-31 $206,027 8,070
2022-06-30 $232,358 4,857