Proto Labs Ownership | Who Owns Proto Labs?

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Proto Labs Ownership Summary

Proto Labs is owned by 95.62% institutional investors, 1.31% insiders, and 3.07% 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 6.02% of its assets in Proto Labs shares.

PRLB Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Proto Labs	95.62%	1.31%	3.07%
Sector	Industrials Stocks	68.68%	16.25%	15.07%
Idea	3D Printing Stocks List	52.80%	6.06%	41.15%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock	4.32M	16.87%	$133.53M
Blackrock funding, inc. /de	3.90M	16.35%	$317.58M
Vanguard group	2.67M	11.16%	$134.88M
Disciplined growth investors inc /mn	2.38M	9.99%	$194.04M
State street	1.14M	4.78%	$92.80M
Vanguard capital management	1.05M	4.42%	$85.96M
Dimensional fund advisors lp	1.03M	4.30%	$97.60M
Geode capital management	680.05K	2.85%	$64.51M
American capital management	619.85K	2.60%	$50.52M
Renaissance	469.25K	1.97%	$38.25M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
S squared	288.12K	7.29%	$23.48M
Disciplined growth investors inc /mn	2.38M	3.29%	$194.04M
American capital management	619.85K	2.27%	$50.52M
Gagnon securities	118.37K	1.95%	$11.23M
Roubaix capital	55.41K	1.62%	$4.52M
Aimz investment advisors	38.73K	0.87%	$3.16M
Lisanti capital growth	33.65K	0.86%	$3.19M
Jackson creek investment advisors	22.43K	0.73%	$2.13M
Hussman strategic advisors	27.30K	0.55%	$2.59M
Haven private	12.77K	0.48%	$1.21M

Top Buyers

Holder	Shares	% Assets	Change
Sixth street partners management company	354.19K	0.00%	354.19K
Goldman sachs group	403.18K	0.00%	262.24K
Blackrock funding, inc. /de	3.90M	0.00%	218.35K
Jpmorgan chase	224.72K	0.00%	137.14K
First trust advisors lp	224.79K	0.01%	131.92K

Top Sellers

Holder	Shares	% Assets	Change
Wellington management group llp	-	-	-711.74K
Rubric capital management lp	108.69K	0.08%	-377.71K
Hotchkis & wiley capital management	-	-	-165.52K
Qube research	-	-	-148.62K
Meros investment management, lp	-	-	-144.54K

New Positions

Holder	Shares	% Assets	Change	Value
Sixth street partners management company	354.19K	0.00%	354.19K	$28.87M
Roubaix capital	55.41K	1.62%	55.41K	$4.52M
Norges bank	49.80K	0.00%	49.80K	$1.95M
Lisanti capital growth	33.65K	0.86%	33.65K	$3.19M
State of new jersey common pension fund d	14.89K	0.00%	14.89K	$1.41M

Sold Out

Holder	Change
Caitong asset management	-1.00
Rossby financial, lcc	-3.00
Plante moran financial advisors	-5.00
Ancora advisors	-5.00
Mendota financial group	-5.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2026	279	4.89%	22,791,369	3.25%	95	1.11%	142	10.08%	91	15.19%
Mar 31, 2026	258	7.95%	21,883,604	-1.00%	92	1.08%	125	-	78	8.33%
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%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Core S&P Small-Cap ETF	1.44M	6.02%	-1.94K
Vanguard US Total Market Shares ETF	811.88K	3.35%	-
Vanguard MStar Total Stk Mkt Idx Invest	763.52K	3.19%	3.66K
Vanguard Total Stock Mkt Idx Inv	757.24K	3.18%	4.79K
Vanguard Morn Total Stk Mkt Idx Investor	757.24K	3.18%	4.79K
Disciplined Growth - Mid Cap Growth	621.65K	2.61%	-48.79K
iShares Russell 2000 ETF	609.61K	2.55%	-
Vanguard Small Cap Index	538.72K	2.25%	-8.37K
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%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Nov 02, 2026	Krishna Suresh	President and CEO	Buy	$52.14K
Nov 03, 2026	Gawlick Rainer	-	Buy	$49.09K
Sep 24, 2026	Schumacher Daniel	Chief Financial Officer	Sell	$476.60K
Sep 17, 2026	Schumacher Daniel	Chief Financial Officer	Sell	$417.54K
Sep 16, 2026	Schumacher Daniel	Chief Financial Officer	Sell	$8.50K

Insider Transactions Trends

Date	Buy	Sell
2026 Q4	2	-
2026 Q3	-	3
2026 Q2	-	8
2026 Q1	-	2
2025 Q4	-	1

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 (3.9M shares, 16.35%), and Vanguard group (2.67M shares, 11.16%). Together, they hold 44.38% 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 7.29% of its assets in 288.12K Proto Labs shares, valued at 23.48M$.

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 6.02% of its total shares outstanding invested in 1.44M Proto Labs shares.

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