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Protolabs
PRLB

Overview Fund Activity

196 hedge funds and large institutions have $865M invested in Protolabs in 2025 Q2 according to their latest regulatory filings, with 32 funds opening new positions, 64 increasing their positions, 73 reducing their positions, and 21 closing their positions.

Holders
196
Holders Change
+8
Holders Change %
+4.26%
% of All Funds
2.63%
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
73
Closed
21
Calls
$2.28M
Puts
$4K
Net Calls
+$2.28M
Net Calls Change
+$417K

Top Buyers

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

Top Sellers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$0
2
First Trust Advisors
2
First Trust Advisors
Illinois
$4.13M
3
BlackRock
3
BlackRock
New York
$146M
4
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$18.1M
5
TI
5
Trexquant Investment
Connecticut
$1.05M
Name Market Value Shares Shares
Change 		Shares
Change %
Principal Financial Group
26
Principal Financial Group
Iowa
$5.42M 135,335 +13,278 +11%
Citadel Advisors
27
Citadel Advisors
Florida
$4.96M 123,936 +111,301 +881%
GS
28
Gagnon Securities
New York
$4.59M 114,574 +16,949 +17%
Pacer Advisors
29
Pacer Advisors
Pennsylvania
$4.24M 106,008 -42,587 -29%
BCM
30
Bridgeway Capital Management
Texas
$4.17M 104,267 +4,873 +5%
EF
31
Empowered Funds
Pennsylvania
$4.13M 103,267 +4,873 +5%
First Trust Advisors
32
First Trust Advisors
Illinois
$4.13M 103,254 -521,467 -83%
UBS AM
33
UBS AM
Illinois
$4.06M 101,431 +22,240 +28%
Deutsche Bank
34
Deutsche Bank
Germany
$4.01M 100,066 -2,103 -2%
Qube Research & Technologies (QRT)
35
Qube Research & Technologies (QRT)
United Kingdom
$3.74M 93,523 +12,031 +15%
Invesco
36
Invesco
Georgia
$3.7M 92,362 -9,608 -9%
Goldman Sachs
37
Goldman Sachs
New York
$3.53M 88,275 -19,936 -18%
Ameriprise
38
Ameriprise
Minnesota
$3.48M 86,952 -11,777 -12%
AG
39
Algert Global
California
$3.3M 82,524 -2,560 -3%
Public Sector Pension Investment Board (PSP Investments)
40
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$3.24M 81,016 +3,337 +4%
Fidelity Investments
41
Fidelity Investments
Massachusetts
$3.18M 79,522 +10,343 +15%
AIM
42
ARK Investment Management
Florida
$3.18M 79,499 -7,547 -9%
Jane Street
43
Jane Street
New York
$3.06M 76,426 +1,832 +2%
American Century Companies
44
American Century Companies
Missouri
$3.05M 76,145 +3,141 +4%
RhumbLine Advisers
45
RhumbLine Advisers
Massachusetts
$2.97M 74,070 -945 -1%
CSS
46
Cubist Systematic Strategies
Connecticut
$2.75M 68,614 +68,614 New
Bank of America
47
Bank of America
North Carolina
$2.73M 68,262 -31,024 -31%
Legal & General Group
48
Legal & General Group
United Kingdom
$2.67M 66,742 -5,346 -7%
Assenagon Asset Management
49
Assenagon Asset Management
Luxembourg
$2.64M 65,835 -280 -0.4%
ACM
50
American Capital Management
New York
$2.16M 54,027 +3,915 +8%
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