PRLB

Proto Labs INC

+$161.8M

Net Activity

Institutions Holding

262

Popularity Rank

#2269

Avg Weight

0.08%

Total Value

$1.3B

Ownership Trend

262 institutions currently hold PRLB, with 123 net buyers and 103 net sellers this quarter.

Institutional Moves

Institutional Moves (Q1 2026)

Neutral

Based on recent trading activity

Net Selling Institutions

103

Net Buying Institutions

123

Key Holders

Key Holders

Top 5 by Value

BI
BlackRock, Inc.
$209.7M
DG
Disciplined Growth Investors INC /mn
$142.4M
VP
Vanguard Portfolio Management LLC
$87.7M
DF
Dimensional Fund Advisors LP
$72.5M
SS
State Street CORP
$62.3M

Top 5 by Conviction

SS
S Squared Technology, LLC
6.39%
DG
Disciplined Growth Investors INC /mn
2.91%
AC
American Capital Management INC
1.92%
GS
Gagnon Securities LLC
1.46%
IM
Informed Momentum Co LLC
0.43%
View all 262 holding institutions

Quarterly Activity

Recent Activity

+$566.3M

Total Buy Value

$541.4M

Total Sell Value

New buy47
Trim81
Add76
Sold out22

123

Net Buyers

103

Net Sellers

Insider Trading (Form 4)

Form 144 Pre-Sale Notices

No Form 144 planned sale filings in the last 90 days

Beneficial Ownership (13D/13G)

0

Active 5%+ Holders

Data as of 2026-07-14
Reporting PersonTypeFiling Date% of Class
Dimensional Fund Advisors LP13G/A2026-07-144.8%

View all Schedule 13D/13G filings

Material Events (8-K)

No Form 8-K filings for this ticker

FAQ

Who are the top institutional investors holding PROTO LABS INC (PRLB)?
Major stakeholders currently include BlackRock, Inc. ($209.7M), Disciplined Growth Investors INC /mn ($142.4M), Vanguard Portfolio Management LLC ($87.7M). Based on the latest 13F filings, there are a total of 262 tracked investment funds and institutions maintaining positions in PRLB.
What is the overall institutional sentiment toward PRLB recently?
Institutional sentiment appears Bullish (Net Buying). During the most recent reporting quarter, the stock experienced a net inflow of $161.8M, driven by 123 managers accumulating shares while 103 reduced their exposure.
Which institutions have been selling or reducing their PRLB positions?
In the latest period, 81 funds trimmed their holdings, and 22 managers completely exited their positions. The aggregate reported sell value was $541.4M.
Are there any notable investors adding PRLB to their portfolios?
Yes, buying activity remains notable. 47 institutions opened new positions in {ticker}, and 76 existing holders added to their shares. The total reported buy value for the quarter amounted to $566.3M.

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