PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

Note: Option positions (PUT/CALL) are excluded.

New Positions (38)

Increased Positions (68)

AMERICAN CAPITAL MANAGEMENT INC
Value ($000) $31,938 (+128.6%) Shares 631,311 (+126.0%)
DISCIPLINED GROWTH INVESTORS INC /MN
Value ($000) $135,264 (+4.3%) Shares 2,673,729 (+3.1%)
GAGNON SECURITIES LLC
Value ($000) $5,643 (+3.7%) Shares 111,548 (+2.6%)
Campbell & CO Investment Adviser LLC
Value ($000) $2,100 (+62.3%) Shares 41,520 (+60.5%)
Versor Investments LP
Value ($000) $739 (+53.8%) Shares 14,599 (+52.1%)
Round Rock Advisors, LLC
Value ($000) $592 (+79.0%) Shares 11,219 (+69.7%)
State of Wyoming
Value ($000) $367 (+435.4%) Shares 7,254 (+429.5%)
Truvestments Capital LLC
Value ($000) $562 (+19.3%) Shares 11,106 (+18.0%)
PRUDENTIAL FINANCIAL INC
Value ($000) $9,249 (+138.6%) Shares 182,826 (+136.0%)
AlphaQuest LLC
Value ($000) $449 (+67.0%) Shares 8,881 (+65.1%)
BRIDGEWAY CAPITAL MANAGEMENT, LLC
Value ($000) $5,761 (+5.1%) Shares 113,876 (+4.0%)
JANE STREET GROUP, LLC
Value ($000) $5,595 (+71.8%) Shares 110,595 (+69.9%)
FIRST TRUST ADVISORS LP
Value ($000) $5,359 (+28.0%) Shares 105,929 (+26.5%)
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Value ($000) $18,365 (+10.8%) Shares 363,013 (+9.5%)
JPMORGAN CHASE & CO
Value ($000) $6,002 (+37.4%) Shares 118,635 (+35.8%)
AQR CAPITAL MANAGEMENT LLC
Value ($000) $2,593 (+62.8%) Shares 51,260 (+61.0%)
PANAGORA ASSET MANAGEMENT INC
Value ($000) $8,883 (+5.4%) Shares 175,585 (+4.3%)
FMR LLC
Value ($000) $6,177 (+23.2%) Shares 122,100 (+21.9%)
State of Tennessee, Department of Treasury
Value ($000) $933 (+91.7%) Shares 17,728 (+82.1%)
Leonteq Securities AG
Value ($000) $253 (+79.8%) Shares 5,000 (+77.8%)

Decreased Positions (64)

S Squared Technology, LLC
Value ($000) $15,486 (-0.5%) Shares 306,103 (-1.6%)
DARK FOREST CAPITAL MANAGEMENT LP
Value ($000) $807 (-65.1%) Shares 15,943 (-65.5%)
ESSEX INVESTMENT MANAGEMENT CO LLC
Value ($000) $784 (-24.9%) Shares 15,504 (-25.8%)
Polar Asset Management Partners Inc.
Value ($000) $4,219 (-34.3%) Shares 83,402 (-35.1%)
ALGERT GLOBAL LLC
Value ($000) $0 (-92.6%) Shares 6,325 (-92.7%)
RICE HALL JAMES & ASSOCIATES, LLC
Value ($000) $5,796 (-5.0%) Shares 114,563 (-6.1%)
Select Equity Group, L.P.
Value ($000) $603 (-77.0%) Shares 11,919 (-77.3%)
D. E. Shaw & Co., Inc.
Value ($000) $10,769 (-39.7%) Shares 212,868 (-40.4%)
RENAISSANCE TECHNOLOGIES LLC
Value ($000) $24,969 (-8.2%) Shares 493,551 (-9.2%)
Qube Research & Technologies Ltd
Value ($000) $756 (-79.5%) Shares 14,950 (-79.7%)
DEUTSCHE BANK AG\
Value ($000) $1,405 (-80.3%) Shares 27,768 (-80.5%)
ARK Investment Management LLC
Value ($000) $2,871 (-20.1%) Shares 56,744 (-21.0%)
Connor, Clark & Lunn Investment Management Ltd.
Value ($000) $6,616 (-10.1%) Shares 130,767 (-11.1%)
NORDEA INVESTMENT MANAGEMENT AB
Value ($000) $11,505 (-9.6%) Shares 224,439 (-12.8%)
STATE STREET CORP
Value ($000) $55,052 (-6.4%) Shares 1,088,206 (-7.4%)
VANGUARD GROUP INC
Value ($000) $134,884 (-1.8%) Shares 2,666,227 (-2.9%)
CITADEL ADVISORS LLC
Value ($000) $630 (-77.2%) Shares 12,461 (-77.4%)
DIMENSIONAL FUND ADVISORS LP
Value ($000) $64,583 (-1.2%) Shares 1,276,561 (-2.3%)
BANK OF AMERICA CORP /DE/
Value ($000) $4,722 (-28.7%) Shares 93,329 (-29.5%)
LAZARD ASSET MANAGEMENT LLC
Value ($000) $3,823 (-15.6%) Shares 75,574 (-16.6%)

Exited Positions (22)