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Protolabs

262 hedge funds and large institutions have $1.26B invested in Protolabs in 2026 Q1 according to their latest regulatory filings, with 53 funds opening new positions, 75 increasing their positions, 79 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

more ownership

Funds ownership:

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

5% less repeat investments, than reductions

Existing positions increased: 75 | Existing positions reduced: 79

Holders
262
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$8.23M
Puts
Net Calls
Net Calls Change

Top Buyers

1 +$17.4M
2 +$12.6M
3 +$7.76M
4
Marshall Wace
Marshall Wace
United Kingdom
+$3.97M
5
EI
EAM Investors
California
+$3.82M

Top Sellers

1 -$37M
2 -$10.2M
3 -$5.33M
4
Millennium Management
Millennium Management
New York
-$4.39M
5
Jane Street
Jane Street
New York
-$3.09M
Name Holding Trade Value Shares
Change
Change in
Stake
COPPSERS
151
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$334K
Russell Investments Group
152
Russell Investments Group
United Kingdom
$325K
Pacer Advisors
153
Pacer Advisors
Pennsylvania
$322K
Universal-Beteiligungs- und Servicegesellschaft
154
Universal-Beteiligungs- und Servicegesellschaft
Germany
$322K
OPERF
155
Oregon Public Employees Retirement Fund
Oregon
$311K
VIA
156
Vanguard Investments Australia
Australia
$308K
QCG
157
Quadrant Capital Group
Ohio
$301K
Barclays
158
Barclays
United Kingdom
$300K
CIP
159
Cornerstone Investment Partners
Georgia
$299K
Fifth Third Bancorp
160
Fifth Third Bancorp
Ohio
$292K
Man Group
161
Man Group
United Kingdom
$292K
Mariner
162
Mariner
Kansas
$290K
CC
163
Centiva Capital
New York
$289K
SPIA
164
Steward Partners Investment Advisory
New York
$285K
LSA
165
Leonteq Securities AG
Switzerland
$285K
Raymond James Financial
166
Raymond James Financial
Florida
$278K
SSA
167
Schonfeld Strategic Advisors
New York
$273K
QC
168
Quadrature Capital
United Kingdom
$263K
Cerity Partners
169
Cerity Partners
New York
$262K
AOI
170
Auto-Owners Insurance
Michigan
$257K
AWM
171
Angeles Wealth Management
California
$256K
DTL
172
Dynamic Technology Lab
Singapore
$250K
MFS
173
Mirabella Financial Services
United Kingdom
$245K
Bank of Montreal
174
Bank of Montreal
Ontario, Canada
$240K
NS
175
NBC Securities
Alabama
$228K