$PRLB

$88.84 +$2.43 (2.81%) Live

$PRLB Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 23.9M shares outstanding

Who owns PRLB?

By type of holder

Institutions 93.8% Insiders 1.8% Everyone else 4.4%

Concentration Top 10 holders own 55.9%

BlackRock, Inc. 16.3% · Disciplined Growth Investors Inc /MN 10.0%

Institutional ownership

93.8%

+1.4 pts vs last qtr

Institutional holders

275

+12 vs last qtr

Net shares bought

+330.3K

by institutions in Q2 2026

New / sold out

43 / 31

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Goldman Sachs Group Inc +262.2K
BlackRock, Inc. +218.3K

Biggest sellers in Q2 2026

Rubric Capital Management LP −377.7K
Qube Research & Technologies Ltd SOLD OUT −148.6K

Who is planning to sell?

Notices of proposed sale, last 12 months

$6.09M

18 notices from 5 people

Shares covered

91.6K

0.38% of the company

Arranged in advance

32%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Michael R Kenison Former officer $2.34M
Oleg Ryaboy Former officer $1.66M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

−8.7%

−1.01% a year

Each share's claim on the business

+9.6%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$265M vs $137M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years77% 3–5 years6% 1–3 years11% Under 1 year6%

Quarterly turnover

8.6%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting PRLB on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	3.9M	16.29%	+218.3K (+5.9%)	≤2021	0.0%
Shares held by quarter Peak holding4.0M (Q3'24) Change over 8 quarters−119.7K Share of the company16.290% BlackRock, Inc.'s full portfolio →
DG Disciplined Growth Investors Inc /MN	2.4M	9.95%	−116.8K (−4.7%)	≤2021	3.3%
Shares held by quarter Peak holding2.7M (Q2'25) Change over 8 quarters+323.9K Share of the company9.950% Disciplined Growth Investors Inc /MN's full portfolio →

BlackRock, Inc.

3.9M

% of company

16.29%

Change vs last qtr

+218.3K (+5.9%)

Held since

≤2021

Disciplined Growth Investors Inc /MN

2.4M

% of company

9.95%

Change vs last qtr

−116.8K (−4.7%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Proto Labs, Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting PRLB on Form N-PORT; together they hold 42.5% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Small-Cap ETF iShares Trust	$117M	1.4M	5.99%	0.10%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$61.7M	756.9K	3.16%	0.00%	June 30, 2026

iShares Core S&P Small-Cap ETF

iShares Trust

Position value

$117M

% of company

5.99%

% of the fund

0.10%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$61.7M

% of company

3.16%

% of the fund

0.00%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Proto Labs, Inc. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
BR Bodor Robert Insider	108.6K	0.45%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.450% Bodor Robert's insider activity →
GR Gawlick Ranier Insider	46.1K	0.19%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.190% Gawlick Ranier's insider activity →

Bodor Robert

Insider

108.6K

% of company

0.45%

Change vs last qtr

—

Held since

—

Gawlick Ranier

Insider

46.1K

% of company

0.19%

Change vs last qtr

—

Held since

—

12 more holders behind a free account

See every insider and 5%+ holder of Proto Labs, Inc..

Comments