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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 %
DFCM
51
Dark Forest Capital Management
Puerto Rico
$1.76M +$1.36M +38,712 +338%
ACM
52
American Capital Management
New York
$1.76M +$1.76M +50,112 New
WG
53
Winton Group
United Kingdom
$1.67M +$1.67M +47,557 New
Swiss National Bank
54
Swiss National Bank
Switzerland
$1.66M -$70.1K -2,000 -4%
AIA
55
AIMZ Investment Advisors
California
$1.48M -$5.08K -145 -0.3%
Citigroup
56
Citigroup
New York
$1.44M +$92K +2,625 +7%
Susquehanna International Group
57
Susquehanna International Group
Pennsylvania
$1.36M +$536K +15,288 +65%
Russell Investments Group
58
Russell Investments Group
United Kingdom
$1.36M +$649K +18,508 +92%
Universal-Beteiligungs- und Servicegesellschaft
59
Universal-Beteiligungs- und Servicegesellschaft
Germany
$1.34M +$1.34M +38,123 New
AllianceBernstein
60
AllianceBernstein
Tennessee
$1.12M -$120K -3,430 -10%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
61
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$1.11M – – –
Barclays
62
Barclays
United Kingdom
$1.11M -$449K -12,808 -29%
Federated Hermes
63
Federated Hermes
Pennsylvania
$1.06M +$103K +2,940 +11%
Franklin Resources
64
Franklin Resources
California
$1.04M -$6.17K -176 -0.6%
VOYA Investment Management
65
VOYA Investment Management
Georgia
$991K +$715K +20,419 +259%
Teacher Retirement System of Texas
66
Teacher Retirement System of Texas
Texas
$898K -$568K -16,200 -39%
T. Rowe Price Associates
67
T. Rowe Price Associates
Maryland
$880K +$21.9K +625 +3%
New York State Teachers Retirement System (NYSTRS)
68
New York State Teachers Retirement System (NYSTRS)
New York
$857K -$3.51K -100 -0.4%
California State Teachers Retirement System (CalSTRS)
69
California State Teachers Retirement System (CalSTRS)
California
$825K – – –
AA
70
ALPS Advisors
Colorado
$817K +$72.3K +2,062 +10%
GF
71
Gabelli Funds
New York
$781K – – –
TI
72
Tidal Investments
Wisconsin
$746K -$154K -4,395 -17%
GCM
73
Graham Capital Management
Connecticut
$706K +$404K +11,520 +134%
Canada Life
74
Canada Life
Manitoba, Canada
$693K -$101K -2,887 -13%
Thrivent Financial for Lutherans
75
Thrivent Financial for Lutherans
Minnesota
$631K -$33K -942 -5%
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3
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