Granahan Investment Management, LLC Proto Labs Inc Transaction History

Granahan Investment Management, LLC

$2.38 Billion
Q3 2024

16 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q4 2021 Feb 14, 2022	SELL	$48.63 - $77.16 $2.27 Million - $3.6 Million	-46,611 Closed	0 $0
Q3 2021 Nov 15, 2021	BUY	$66.6 - $92.67 $802,196 - $1.12 Million	12,045 Added 34.85%	46,611 $3.1 Million
Q2 2021 Aug 16, 2021	BUY	$84.87 - $120.13 $1.13 Million - $1.6 Million	13,339 Added 62.84%	34,566 $3.17 Million
Q1 2021 May 17, 2021	BUY	$115.19 - $251.49 $249,040 - $543,721	2,162 Added 11.34%	21,227 $2.58 Million
Q4 2020 Feb 12, 2021	SELL	$117.51 - $188.37 $113,397 - $181,777	-965 Reduced 4.82%	19,065 $2.93 Million
Q3 2020 Nov 12, 2020	SELL	$107.54 - $164.27 $580,716 - $887,058	-5,400 Reduced 21.23%	20,030 $2.59 Million
Q2 2020 Aug 14, 2020	BUY	$67.88 - $134.89 $6,448 - $12,814	95 Added 0.37%	25,430 $2.86 Million
Q1 2020 May 12, 2020	BUY	$64.61 - $113.05 $157,454 - $275,502	2,437 Added 10.64%	25,335 $1.93 Million
Q4 2019 Feb 14, 2020	BUY	$93.39 - $107.24 $27,083 - $31,099	290 Added 1.28%	22,898 $2.33 Million
Q2 2019 Aug 14, 2019	SELL	$97.35 - $117.14 $218,258 - $262,627	-2,242 Reduced 9.02%	22,608 $2.62 Million
Q1 2019 May 14, 2019	BUY	$100.92 - $130.06 $156,426 - $201,593	1,550 Added 6.65%	24,850 $2.61 Million
Q3 2018 Nov 13, 2018	SELL	$119.15 - $165.0 $500,430 - $693,000	-4,200 Reduced 15.27%	23,300 $3.77 Million
Q2 2018 Aug 15, 2018	BUY	$113.0 - $136.35 $28,250 - $34,087	250 Added 0.92%	27,500 $3.27 Million
Q1 2018 May 14, 2018	SELL	$103.85 - $125.9 $379,052 - $459,535	-3,650 Reduced 11.81%	27,250 $3.2 Million
Q4 2017 Feb 12, 2018	SELL	$79.6 - $105.8 $859,679 - $1.14 Million	-10,800 Reduced 25.9%	30,900 $3.18 Million
Q3 2017 Nov 14, 2017	BUY	$69.55 - $80.3 $2.9 Million - $3.35 Million	41,700	41,700 $3.35 Million

Others Institutions Holding PRLB

# of Institutions

206

Shares Held

21.7M

Call Options Held

72.8K

Put Options Held

29.3K

Black Rock Inc. New York, NY

4.32M
Shares

$173 Million
0.0% of portfolio
Vanguard Group Inc Valley Forge, PA

2.93M
Shares

$117 Million
0.0% of portfolio
Disciplined Growth Investors Inc Minneapolis, MN

2.06M
Shares

$82.3 Million
1.28% of portfolio
Dimensional Fund Advisors LP Austin, TX

1.23M
Shares

$49.4 Million
0.01% of portfolio
State Street Corp Boston, MA

965K
Shares

$38.6 Million
0.0% of portfolio

View Full List

About Proto Labs Inc

Ticker PRLB
Exchange NYSE
Sector Industrials
Industry Metal Fabrication
Shares Outstandng 27,503,100
Market Cap $1.1B
Description
Proto Labs, Inc., together with its subsidiaries, operates as an e-commerce driven digital manufacturer of custom prototypes and on-demand production parts in the worldwide. The company offers injection molding; computer numerical control machining; three-dimensional (3D) printing, which include stereolithography, selective laser sintering, dire...

More about PRLB

Track This Portfolio

Portfolio Update

Get notified when there are updates to the investment portfolio of Granahan Investment Management, LLC, based on Form 13F filings with the SEC.

News

Stay updated on Granahan Investment Management, LLC with notifications on news.

Account