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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

179% more first-time investments, than exits

New positions opened: 53 | Existing positions closed: 19

14% more capital invested

Capital invested by funds: $1.1B → $1.26B (+$157M)

12% more funds holding

Funds holding: 234262 (+28)

0.91% more ownership

Funds ownership: 91.93%92.84% (+0.91%)

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
+28
Holders Change %
+11.97%
% of All Funds
3.23%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.01%
New
53
Increased
75
Reduced
79
Closed
19
Calls
$8.23M
Puts
Net Calls
+$8.23M
Net Calls Change
+$6.37M
Name Holding Trade Value Shares
Change
Change in
Stake
AQR Capital Management
51
AQR Capital Management
Connecticut
$3.14M +$224K +3,857 +8%
HSA
52
Hussman Strategic Advisors
Maryland
$2.99M +$3.05M +52,500 New
ACM
53
Archon Capital Management
Washington
$2.77M +$2.81M +48,500 New
ZIM
54
Zacks Investment Management
Illinois
$2.71M +$2.39M +41,170 +642%
Swiss National Bank
55
Swiss National Bank
Switzerland
$2.69M
GCP
56
GSA Capital Partners
United Kingdom
$2.68M +$2.72M +46,960 New
Assenagon Asset Management
57
Assenagon Asset Management
Luxembourg
$2.67M +$1.1M +19,031 +69%
AIM
58
ARK Investment Management
Florida
$2.61M -$641K -11,040 -19%
Citadel Advisors
59
Citadel Advisors
Florida
$2.54M +$1.86M +32,057 +257%
Squarepoint
60
Squarepoint
New York
$2.36M +$2.4M +41,320 New
IIM
61
INTECH Investment Management
Florida
$2.22M +$1.68M +28,966 +290%
AIA
62
AIMZ Investment Advisors
California
$2.21M -$52.2K -900 -2%
Polen Capital Management
63
Polen Capital Management
Florida
$2.14M +$1.94M +33,446 +806%
T. Rowe Price Associates
64
T. Rowe Price Associates
Maryland
$1.89M +$298K +5,135 +18%
Point72 Asset Management
65
Point72 Asset Management
Connecticut
$1.85M -$436K -7,518 -19%
IQI
66
Integrated Quantitative Investments
Washington
$1.8M +$1.83M +31,505 New
Federated Hermes
67
Federated Hermes
Pennsylvania
$1.79M +$36.2K +623 +2%
VOYA Investment Management
68
VOYA Investment Management
Georgia
$1.72M -$4.58K -79 -0.3%
Deutsche Bank
69
Deutsche Bank
Germany
$1.71M +$134K +2,302 +8%
BAM
70
Bastion Asset Management
Canada
$1.6M +$1.64M +28,270 New
QCM
71
Quantinno Capital Management
New York
$1.58M +$800K +13,781 +99%
Millennium Management
72
Millennium Management
New York
$1.47M -$4.39M -75,703 -75%
Acadian Asset Management
73
Acadian Asset Management
Massachusetts
$1.39M -$288K -4,971 -17%
California State Teachers Retirement System (CalSTRS)
74
California State Teachers Retirement System (CalSTRS)
California
$1.31M -$10.3K -177 -0.8%
BCM
75
Bridgeway Capital Management
Texas
$1.25M -$5.33M -91,876 -81%