Proto Labs Ownership | Who Owns Proto Labs?

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Proto Labs Ownership Summary

Proto Labs is owned by 40.08% institutional investors, 1.46% insiders, and 58.46% retail investors. Blackrock is the largest institutional shareholder, holding 16.87% of PRLB shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 6.03% of its assets in Proto Labs shares.

PRLB Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Proto Labs	40.08%	1.46%	58.46%
Sector	Industrials Stocks	47.66%	12.52%	39.82%
Idea	3D Printing Stocks List	33.26%	6.93%	59.81%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock	4.32M	16.87%	$133.53M
Blackrock funding, inc. /de	3.62M	15.13%	$183.09M
Vanguard group	2.67M	11.16%	$134.88M
Disciplined growth investors inc /mn	2.59M	10.79%	$129.70M
Dimensional fund advisors lp	1.28M	5.37%	$64.58M
State street	1.18M	4.89%	$58.80M
Rubric capital management lp	1.12M	4.73%	$56.83M
Geode capital management	558.30K	2.33%	$28.25M
Renaissance	493.55K	2.08%	$24.97M
D. e. shaw	500.70K	2.00%	$19.57M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
S squared	306.10K	6.00%	$15.49M
Disciplined growth investors inc /mn	2.59M	2.35%	$129.70M
Gagnon securities	108.75K	1.09%	$5.44M
Rubric capital management lp	1.12M	0.68%	$56.83M
Aimz investment advisors	40.03K	0.63%	$2.00M
American capital management	279.30K	0.56%	$13.97M
Rice hall james & associates	121.98K	0.33%	$6.10M
Hillsdale investment management	168.28K	0.23%	$8.51M
Haven private	8.31K	0.18%	$420.56K
Essex investment management	20.89K	0.16%	$1.04M

Top Buyers

Holder	Shares	% Assets	Change
American capital management	279.30K	0.56%	225.27K
Polar asset management partners	128.43K	0.07%	128.43K
Select equity group	52.45K	0.01%	52.45K
Norges bank	49.80K	0.00%	49.80K
Jane street group	110.59K	0.00%	45.51K

Top Sellers

Holder	Shares	% Assets	Change
Wellington management group llp	-	-	-711.74K
Hotchkis & wiley capital management	-	-	-165.52K
Meros investment management, lp	-	-	-144.54K
Disciplined growth investors inc /mn	2.59M	2.35%	-129.64K
Deutsche bank ag\	27.77K	0.00%	-114.47K

New Positions

Holder	Shares	% Assets	Change	Value
Polar asset management partners	128.43K	0.07%	128.43K	$6.43M
Select equity group	52.45K	0.01%	52.45K	$2.62M
Norges bank	49.80K	0.00%	49.80K	$1.95M
Essex investment management	20.89K	0.16%	20.89K	$1.04M
Engineers gate manager lp	14.67K	0.01%	14.67K	$733.74K

Sold Out

Holder	Change
Caitong asset management	-1.00
Ancora advisors	-5.00
Harbour investments	-5.00
Mendota financial group	-5.00
Principal securities	-7.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	123	-42.52%	9,575,015	-55.94%	40	0.49%	59	-43.27%	36	-47.83%
Sep 30, 2025	113	-41.75%	11,411,341	-44.28%	47	0.65%	46	-51.58%	41	-41.43%
Jun 30, 2025	199	1.02%	21,605,085	-1.00%	89	1.10%	94	9.30%	74	5.71%
Mar 31, 2025	7	-96.62%	314,698	-98.53%	1	0.02%	4	-95.65%	2	-97.18%
Dec 31, 2024	107	-46.77%	11,228,972	-48.03%	44	0.60%	43	-51.14%	40	-46.67%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Core S&P Small-Cap ETF	1.43M	6.03%	-297.90K
Vanguard US Total Market Shares ETF	811.88K	3.35%	-
Vanguard Total Stock Mkt Idx Inv	751.60K	3.16%	-
Disciplined Growth - Mid Cap Growth	744.81K	3.13%	-44.69K
iShares Russell 2000 ETF	573.01K	2.41%	-21.79K
Vanguard Small Cap Index	536.15K	2.26%	904.00
Pacer US Small Cap Cash Cows 100 ETF	551.39K	2.25%	-1.87K
First Trust RBA Amer Indl RenaisTM ETF	538.28K	2.22%	-
Vanguard Small Cap Value Index Inv	344.36K	1.45%	-2.30K
Disciplined Growth Investors	265.47K	1.12%	1.69K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Feb 17, 2026	Kenison Michael R.	Chief Operations Officer	Sell	$332.31K
Feb 06, 2026	Kenison Michael R.	Chief Operations Officer	Sell	$150.00K
Nov 25, 2025	Kenison Michael R.	Chief Operations Officer	Sell	$152.93K
Aug 05, 2025	Gawlick Rainer	-	Buy	$75.10K
Aug 04, 2025	Krishna Suresh	President and CEO	Buy	$75.05K

Insider Transactions Trends

Date	Buy	Sell
2026 Q1	-	2
2025 Q4	-	1
2025 Q3	2	-
2025 Q2	-	-
2025 Q1	-	-

PRLB Ownership FAQ

Who owns the most shares of Proto Labs?

Proto Labs’s largest shareholders are Blackrock (4.32M shares, 16.87%), Blackrock funding, inc. /de (3.62M shares, 15.13%), and Vanguard group (2.67M shares, 11.16%). Together, they hold 43.16% of Proto Labs’s total shares outstanding.

Does Blackrock own Proto Labs?

Yes, BlackRock owns 16.87% of Proto Labs, totaling 4.32M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 133.53M$. In the last quarter, BlackRock decreased its holdings by -96.148K shares, a -2.18% change.

Who is Proto Labs’s biggest shareholder by percentage of total assets invested?

S squared is Proto Labs’s biggest shareholder by percentage of total assets invested, with 6.00% of its assets in 306.1K Proto Labs shares, valued at 15.49M$.

Who is the top mutual fund holder of Proto Labs shares?

iShares Core S&P Small-Cap ETF is the top mutual fund holder of Proto Labs shares, with 6.03% of its total shares outstanding invested in 1.43M Proto Labs shares.

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