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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 %
HIM
26
Hillsdale Investment Management
Ontario, Canada
$4.19M +$137K +3,900 +3%
RCMNY
27
Rubric Capital Management (New York)
New York
$4.06M +$4.06M +115,952 New
Goldman Sachs
28
Goldman Sachs
New York
$3.79M -$4.99M -142,314 -57%
TI
29
Trexquant Investment
Connecticut
$3.75M +$142K +4,039 +4%
Deutsche Bank
30
Deutsche Bank
Germany
$3.58M -$74.6K -2,129 -2%
Invesco
31
Invesco
Georgia
$3.57M +$183K +5,234 +5%
BCM
32
Bridgeway Capital Management
Texas
$3.48M +$106K +3,035 +3%
Bank of America
33
Bank of America
North Carolina
$3.48M +$1.57M +44,839 +82%
Ameriprise
34
Ameriprise
Minnesota
$3.46M -$711K -20,305 -17%
EF
35
Empowered Funds
Pennsylvania
$3.45M +$106K +3,035 +3%
GS
36
Gagnon Securities
New York
$3.42M +$159K +4,546 +5%
AIM
37
ARK Investment Management
Florida
$3.05M -$1.45M -41,465 -32%
AG
38
Algert Global
California
$2.98M +$1.72M +49,230 +137%
Qube Research & Technologies (QRT)
39
Qube Research & Technologies (QRT)
United Kingdom
$2.86M -$512K -14,608 -15%
UBS AM
40
UBS AM
Illinois
$2.77M -$50.3K -1,435 -2%
Public Sector Pension Investment Board (PSP Investments)
41
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$2.72M +$582K +16,598 +27%
RhumbLine Advisers
42
RhumbLine Advisers
Massachusetts
$2.63M -$132K -3,768 -5%
Jane Street
43
Jane Street
New York
$2.61M +$583K +16,639 +29%
American Century Companies
44
American Century Companies
Missouri
$2.56M +$716K +20,425 +39%
Legal & General Group
45
Legal & General Group
United Kingdom
$2.53M -$105K -2,995 -4%
NL
46
Nuveen LLC
North Carolina
$2.46M +$2.46M +70,150 New
Fidelity Investments
47
Fidelity Investments
Massachusetts
$2.42M +$1.28M +36,414 +111%
Assenagon Asset Management
48
Assenagon Asset Management
Luxembourg
$2.32M -$1.56M -44,545 -40%
AQR Capital Management
49
AQR Capital Management
Connecticut
$2.24M +$71.5K +2,040 +3%
Prudential Financial
50
Prudential Financial
New Jersey
$1.84M -$2.11M -60,215 -53%
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