HARBOUR INVESTMENTS, INC.

Position in PRLB — Proto Labs Inc

CIK 810121 MADISON, WI

Position in PRLB

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$4,846

+$4,651 QoQ

Shares Held

+1600.0% QoQ

Ownership

0.000%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2021

12 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Industrials · as of Mar 31, 2026

HARBOUR INVESTMENTS, INC. holds $1,118,885 across 10 Metal Fabrication names. PRLB ranks #8 (0.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ATI	Ati Inc	4,262	$619,950
2	CRS	Carpenter Technology Corp	371	$146,229
3	MEC	Mayville Engineering Company, Inc.	7,700	$138,215
4	CMC	COMMERCIAL METALS Co	1,902	$116,839
5	MLI	Mueller Industries Inc	1,058	$58,613
6	RYZ	Ryerson Holding Corp	951	$21,378
7	IIIN	Insteel Industries Inc	328	$11,024
8	PRLB	Proto Labs Inc This page	85	$4,846

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$4,846	85	+1600.0%	Shares	Sole	2026-05-15
2024-12-31	$195	5	-97.5%	Shares	Sole	2025-02-10
2023-09-30	$5,280	200	-9.1%	Shares	Sole	2023-11-15
2023-06-30	$7,691	220	0.0%	Shares	Sole	2023-08-15
2023-03-31	$7,293	220	-10.6%	Shares	Sole	2023-05-15
2022-12-31	$6,280	246	+8.4%	Shares	Sole	2023-02-16
2022-09-30	$8,269	227	0.0%	Shares	Sole	2022-11-15
2022-06-30	$10,859	227	+78.7%	Shares	Sole	2022-08-15
2021-12-31	$6,521	127	-28.2%	Shares	Sole	2022-02-16
2021-09-30	$11,788	177	-64.5%	Shares	Sole	2021-11-15
2021-06-30	$45,716	498	+1.0%	Shares	Sole	2021-08-16
2021-03-31	$60,022	493	—	Shares	Sole	2021-08-17
No filing history on record for this holder in this stock.