DISCIPLINED GROWTH INVESTORS INC /MN

Position in PRLB — Proto Labs Inc

CIK 1050442 MINNEAPOLIS, MN

Back to PRLB Full portfolio

Position in PRLB

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$194,035,696

+$51,636,514 QoQ

Shares Held

2,380,514

-4.7% QoQ

Ownership

9.95%

of shares outstanding

% of Portfolio

3.29%

of 13F equity value

Holder Rank

of 277 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 94% Shared 0% None 6%

Common Shares in PRLB Over Time

Shares Held

Position Value (USD)

Position in Metal Fabrication

Industrials · as of Jun 30, 2026

DISCIPLINED GROWTH INVESTORS INC /MN holds $194,035,696 across 1 Metal Fabrication name. PRLB ranks #1 (100.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	PRLB	Proto Labs Inc This page	2,380,514	$194,035,696

All Filings in PRLB

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27 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$194,035,696	2,380,514	-4.7%	Shares	Sole	2026-08-14
2026-06-30	$194,035,696	2,380,514	—	Shares	Sole	2026-08-14
2026-03-31	$142,399,182	2,497,355	-6.6%	Shares	Sole	2026-05-15
2025-12-31	$135,263,950	2,673,729	+3.1%	Shares	Sole	2026-02-17
2025-09-30	$129,696,421	2,592,373	-4.8%	Shares	Sole	2025-11-14
2025-06-30	$108,989,320	2,722,011	+1.9%	Shares	Sole	2025-08-14
2025-03-31	$93,581,958	2,670,718	+22.9%	Shares	Sole	2025-05-15
2024-12-31	$84,969,893	2,173,699	+5.7%	Shares	Sole	2025-02-14
2024-09-30	$60,402,136	2,056,593	+5.7%	Shares	Sole	2024-11-15
2024-06-30	$60,122,720	1,946,349	+1.9%	Shares	Sole	2024-08-15
2024-03-31	$68,276,744	1,909,839	+9.8%	Shares	Sole	2024-05-15
2023-12-31	$67,776,296	1,739,638	-1.4%	Shares	Sole	2024-02-14
2023-09-30	$46,580,080	1,764,397	+1.0%	Shares	Sole	2023-11-15
2023-06-30	$61,044,180	1,746,115	-12.5%	Shares	Sole	2023-08-14
2023-03-31	$66,171,510	1,996,124	-5.9%	Shares	Sole	2023-05-15
2022-12-31	$54,171,877	2,121,891	+9.5%	Shares	Sole	2023-02-14
2022-09-30	$70,587,241	1,937,613	+3.2%	Shares	Sole	2022-11-15
2022-06-30	$89,793,096	1,876,946	+0.9%	Shares	Sole	2022-08-15
2022-03-31	$98,445,630	1,860,976	+3.9%	Shares	Sole	2022-05-16
2021-12-31	$92,015,759	1,791,933	+51.6%	Shares	Sole	2022-02-14
2021-09-30	$78,735,385	1,182,213	+21.8%	Shares	Sole	2021-11-15
2021-06-30	$89,130,272	970,918	+143.5%	Shares	Sole	2021-08-16
2021-03-31	$48,542,942	398,710	-35.8%	Shares	Sole	2021-05-17
2020-12-31	$95,334,571	621,477	-3.8%	Shares	Sole	2021-02-16
2020-09-30	$83,659,590	646,020	-2.8%	Shares	Sole	2020-11-16
2020-06-30	$74,767,131	664,774	-26.5%	Shares	Sole	2020-08-14
2020-03-31	$68,831,264	904,128	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.