A detailed history of Granahan Investment Management, LLC transactions in Quanterix Corp stock. As of the latest transaction made, Granahan Investment Management, LLC holds 1,102,631 shares of QTRX stock, worth $13 Million. This represents 0.6% of its overall portfolio holdings.

Number of Shares
1,102,631
Previous 1,129,491 2.38%
Holding current value
$13 Million
Previous $14.9 Million 4.3%
% of portfolio
0.6%
Previous 0.63%

Shares

21 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2024

Nov 14, 2024

SELL
$10.92 - $16.36 $293,311 - $439,429
-26,860 Reduced 2.38%
1,102,631 $14.3 Million
Q2 2024

Aug 14, 2024

BUY
$12.26 - $23.78 $5.61 Million - $10.9 Million
457,712 Added 68.13%
1,129,491 $14.9 Million
Q1 2024

May 15, 2024

BUY
$21.9 - $28.28 $107,748 - $139,137
4,920 Added 0.74%
671,779 $15.8 Million
Q4 2023

Feb 14, 2024

SELL
$19.54 - $28.66 $1.81 Million - $2.65 Million
-92,506 Reduced 12.18%
666,859 $18.2 Million
Q3 2023

Nov 14, 2023

SELL
$21.15 - $27.96 $8.86 Million - $11.7 Million
-419,147 Reduced 35.57%
759,365 $20.6 Million
Q2 2023

Aug 14, 2023

SELL
$11.16 - $23.65 $1.33 Million - $2.83 Million
-119,514 Reduced 9.21%
1,178,512 $26.6 Million
Q1 2023

May 15, 2023

BUY
$10.12 - $14.91 $369,116 - $543,827
36,474 Added 2.89%
1,298,026 $14.6 Million
Q4 2022

Feb 14, 2023

SELL
$8.75 - $14.02 $99,636 - $159,645
-11,387 Reduced 0.89%
1,261,552 $17.5 Million
Q3 2022

Nov 14, 2022

BUY
$7.46 - $19.28 $1.49 Million - $3.84 Million
199,084 Added 18.54%
1,272,939 $14 Million
Q2 2022

Aug 15, 2022

SELL
$15.06 - $30.65 $1.19 Million - $2.43 Million
-79,127 Reduced 6.86%
1,073,855 $17.4 Million
Q1 2022

May 16, 2022

BUY
$23.26 - $42.41 $9.64 Million - $17.6 Million
414,442 Added 56.12%
1,152,982 $33.7 Million
Q4 2021

Feb 14, 2022

BUY
$37.54 - $57.51 $5.24 Million - $8.02 Million
139,481 Added 23.28%
738,540 $31.3 Million
Q3 2021

Nov 15, 2021

SELL
$45.91 - $59.67 $464,655 - $603,920
-10,121 Reduced 1.66%
599,059 $29.8 Million
Q2 2021

Aug 16, 2021

BUY
$43.3 - $67.17 $5.47 Million - $8.49 Million
126,325 Added 26.16%
609,180 $35.7 Million
Q1 2021

May 17, 2021

BUY
$44.11 - $90.64 $4.43 Million - $9.11 Million
100,479 Added 26.28%
482,855 $28.2 Million
Q4 2020

Feb 12, 2021

BUY
$33.89 - $49.88 $130,205 - $191,638
3,842 Added 1.01%
382,376 $17.8 Million
Q3 2020

Nov 12, 2020

BUY
$26.91 - $37.47 $740,455 - $1.03 Million
27,516 Added 7.84%
378,534 $12.8 Million
Q2 2020

Aug 14, 2020

BUY
$19.21 - $28.53 $3.21 Million - $4.77 Million
167,046 Added 90.8%
351,018 $9.61 Million
Q1 2020

May 12, 2020

BUY
$11.17 - $28.72 $952,689 - $2.45 Million
85,290 Added 86.43%
183,972 $3.38 Million
Q4 2019

Feb 14, 2020

BUY
$19.29 - $25.52 $72,723 - $96,210
3,770 Added 3.97%
98,682 $2.33 Million
Q3 2019

Nov 15, 2019

BUY
$21.72 - $35.38 $2.06 Million - $3.36 Million
94,912 New
94,912 $2.08 Million

Others Institutions Holding QTRX

About Quanterix Corp


  • Ticker QTRX
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Medical Devices
  • Shares Outstandng 36,987,600
  • Market Cap $435M
  • Description
  • Quanterix Corporation, a life sciences company, engages in development and marketing of digital immunoassay platforms that advances precision health for life sciences research and diagnostics in North America, Europe, the Middle East, Africa, and the Asia Pacific regions. It offers HD-X instrument, a sensitive automated multiplex protein detecti...
More about QTRX
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