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Protolabs
PRLB

Overview Fund Activity

198 hedge funds and large institutions have $866M invested in Protolabs in 2025 Q2 according to their latest regulatory filings, with 32 funds opening new positions, 64 increasing their positions, 74 reducing their positions, and 21 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
198
Holders Change
+10
Holders Change %
+5.32%
% of All Funds
2.66%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
32
Increased
64
Reduced
74
Closed
21
Calls
$2.49M
Puts
$4K
Net Calls
+$2.49M
Net Calls Change
+$625K

Top Buyers

1
RCMNY
Rubric Capital Management (New York)
New York
$41.4M
2
Millennium Management
Millennium Management
New York
$6.21M
3
NL
Nuveen LLC
North Carolina
$7.28M
4
Citadel Advisors
Citadel Advisors
Florida
$4.96M
5
CSS
Cubist Systematic Strategies
Connecticut
$2.75M

Top Sellers

1
Wellington Management Group
Wellington Management Group
Massachusetts
$0
2
First Trust Advisors
First Trust Advisors
Illinois
$4.13M
3
BlackRock
BlackRock
New York
$146M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
$18.1M
5
TI
Trexquant Investment
Connecticut
$1.05M
Name Holding Trade Value Shares
Change 		Shares
Change %
Principal Financial Group
26
Principal Financial Group
Iowa
$5.42M +$532K +13,278 +11%
Citadel Advisors
27
Citadel Advisors
Florida
$4.96M +$4.46M +111,301 +881%
GS
28
Gagnon Securities
New York
$4.59M +$679K +16,949 +17%
Pacer Advisors
29
Pacer Advisors
Pennsylvania
$4.24M -$1.71M -42,587 -29%
BCM
30
Bridgeway Capital Management
Texas
$4.17M +$195K +4,873 +5%
EF
31
Empowered Funds
Pennsylvania
$4.13M +$195K +4,873 +5%
First Trust Advisors
32
First Trust Advisors
Illinois
$4.13M -$20.9M -521,467 -83%
UBS AM
33
UBS AM
Illinois
$4.06M +$890K +22,240 +28%
Deutsche Bank
34
Deutsche Bank
Germany
$4.01M -$84.2K -2,103 -2%
Qube Research & Technologies (QRT)
35
Qube Research & Technologies (QRT)
United Kingdom
$3.74M +$482K +12,031 +15%
Invesco
36
Invesco
Georgia
$3.7M -$385K -9,608 -9%
Goldman Sachs
37
Goldman Sachs
New York
$3.53M -$798K -19,936 -18%
Ameriprise
38
Ameriprise
Minnesota
$3.48M -$472K -11,777 -12%
AG
39
Algert Global
California
$3.3M -$102K -2,560 -3%
Public Sector Pension Investment Board (PSP Investments)
40
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$3.24M +$134K +3,337 +4%
Fidelity Investments
41
Fidelity Investments
Massachusetts
$3.18M +$414K +10,343 +15%
AIM
42
ARK Investment Management
Florida
$3.18M -$302K -7,547 -9%
Jane Street
43
Jane Street
New York
$3.06M +$73.4K +1,832 +2%
American Century Companies
44
American Century Companies
Missouri
$3.05M +$126K +3,141 +4%
RhumbLine Advisers
45
RhumbLine Advisers
Massachusetts
$2.97M -$37.8K -945 -1%
CSS
46
Cubist Systematic Strategies
Connecticut
$2.75M +$2.75M +68,614 New
Bank of America
47
Bank of America
North Carolina
$2.73M -$1.24M -31,024 -31%
Legal & General Group
48
Legal & General Group
United Kingdom
$2.67M -$214K -5,346 -7%
Assenagon Asset Management
49
Assenagon Asset Management
Luxembourg
$2.64M -$11.2K -280 -0.4%
ACM
50
American Capital Management
New York
$2.16M +$157K +3,915 +8%
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