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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 %
BlackRock
1
BlackRock
New York
$146M 3,652,532 -211,614 -5%
Vanguard Group
2
Vanguard Group
Pennsylvania
$111M 2,772,867 -52,718 -2%
DGI
3
Disciplined Growth Investors
Minnesota
$109M 2,722,011 +51,293 +2%
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$52.7M 1,315,928 -8,876 -0.7%
State Street
5
State Street
Massachusetts
$47.5M 1,186,443 +65,430 +6%
RCMNY
6
Rubric Capital Management (New York)
New York
$41.4M 1,034,171 +918,219 +792%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$22.5M 562,336 -16,990 -3%
Renaissance Technologies
8
Renaissance Technologies
New York
$21.7M 542,051 +10,400 +2%
D.E. Shaw & Co
9
D.E. Shaw & Co
New York
$18.1M 452,692 -84,673 -16%
Arrowstreet Capital
10
Arrowstreet Capital
Massachusetts
$17.9M 447,130 -2,940 -0.7%
Morgan Stanley
11
Morgan Stanley
New York
$16.5M 413,097 +1,015 +0.2%
SST
12
S Squared Technology
New York
$12.5M 311,103 +4,100 +1%
Charles Schwab
13
Charles Schwab
California
$11.9M 297,883 +23,845 +9%
Northern Trust
14
Northern Trust
Illinois
$11.2M 279,832 +8,042 +3%
Nordea Investment Management
15
Nordea Investment Management
Sweden
$9.99M 249,584 +1,427 +0.6%
UBS Group
16
UBS Group
Switzerland
$9.68M 241,840 -23,320 -9%
JAM
17
Jupiter Asset Management
United Kingdom
$7.8M 194,832 +6,921 +4%
NL
18
Nuveen LLC
North Carolina
$7.28M 181,820 +111,670 +159%
PAM
19
Panagora Asset Management
Massachusetts
$6.7M 167,395 -2,101 -1%
Hotchkis & Wiley Capital Management
20
Hotchkis & Wiley Capital Management
California
$6.63M 165,520 +13,420 +9%
Millennium Management
21
Millennium Management
New York
$6.21M 155,173 +155,173 New
HIM
22
Hillsdale Investment Management
Ontario, Canada
$6.15M 153,624 +34,000 +28%
Bank of New York Mellon
23
Bank of New York Mellon
New York
$6.03M 150,607 -4,681 -3%
RHJA
24
Rice Hall James & Associates
California
$5.82M 145,467 -6,351 -4%
Connor, Clark & Lunn Investment Management (CC&L)
25
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$5.81M 145,075 -7,967 -5%
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