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Protolabs
PRLB

Overview Fund Activity

188 hedge funds and large institutions have $765M invested in Protolabs in 2025 Q1 according to their latest regulatory filings, with 26 funds opening new positions, 60 increasing their positions, 68 reducing their positions, and 35 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
188
Holders Change
-10
Holders Change %
-5.05%
% of All Funds
2.55%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
26
Increased
60
Reduced
68
Closed
35
Calls
$4.03M
Puts
$2.17M
Net Calls
+$1.86M
Net Calls Change
-$368K

Top Buyers

1
DGI
Disciplined Growth Investors
Minnesota
+$17.4M
2
Wellington Management Group
Wellington Management Group
Massachusetts
+$12.3M
3
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$8.31M
4
Pacer Advisors
Pacer Advisors
Pennsylvania
+$5.15M
5
RCMNY
Rubric Capital Management (New York)
New York
+$4.06M

Top Sellers

1
Hotchkis & Wiley Capital Management
Hotchkis & Wiley Capital Management
California
-$6.06M
2
BlackRock
BlackRock
New York
-$5.14M
3
Goldman Sachs
Goldman Sachs
New York
-$4.99M
4
Morgan Stanley
Morgan Stanley
New York
-$4.8M
5
First Trust Advisors
First Trust Advisors
Illinois
-$3.99M
Name Holding Trade Value Shares
Change 		Shares
Change %
MAM
101
Meeder Asset Management
Ohio
$354K -$103K -2,940 -23%
RC
102
RBF Capital
California
$350K – – –
Amundi
103
Amundi
France
$334K -$532 -16 -0.2%
YCM
104
Yousif Capital Management
Michigan
$327K -$911 -26 -0.3%
DT
105
Diversified Trust
Tennessee
$325K +$911 +26 +0.3%
Manulife (Manufacturers Life Insurance)
106
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$313K -$8.73K -249 -3%
Two Sigma Advisers
107
Two Sigma Advisers
New York
$301K -$627K -17,900 -68%
IC
108
IEQ Capital
California
$300K +$300K +8,559 New
TRSOTSOK
109
Teachers Retirement System of the State of Kentucky
Kentucky
$299K – – –
Lazard Asset Management
110
Lazard Asset Management
New York
$299K +$94.2K +2,703 +46%
Comerica Bank
111
Comerica Bank
Texas
$293K -$911 -26 -0.3%
Man Group
112
Man Group
United Kingdom
$290K +$290K +8,278 New
State Board of Administration of Florida Retirement System
113
State Board of Administration of Florida Retirement System
Florida
$265K – – –
TC
114
Truvestments Capital
Florida
$263K +$263K +7,507 New
New York State Common Retirement Fund
115
New York State Common Retirement Fund
New York
$263K – – –
MSRPS
116
Maryland State Retirement & Pension System
Maryland
$251K -$38.3K -1,092 -13%
AB
117
Amalgamated Bank
New York
$247K -$2.39K -68 -1%
ASRS
118
Arizona State Retirement System
Arizona
$246K -$9.36K -267 -4%
Two Sigma Investments
119
Two Sigma Investments
New York
$231K -$293K -8,371 -56%
Royal Bank of Canada
120
Royal Bank of Canada
Ontario, Canada
$228K +$77.3K +2,207 +51%
Bank of Montreal
121
Bank of Montreal
Ontario, Canada
$216K -$29.8K -851 -12%
COPPSERS
122
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$206K +$22.1K +632 +12%
ProShare Advisors
123
ProShare Advisors
Maryland
$203K -$63.1K -1,800 -24%
OPERF
124
Oregon Public Employees Retirement Fund
Oregon
$198K -$3.5K -100 -2%
QCG
125
Quadrant Capital Group
Ohio
$187K +$181K +5,161 +2,916%
3 4
5
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