A detailed history of Old Port Advisors transactions in 908 Devices Inc. stock. As of the latest transaction made, Old Port Advisors holds 38,629 shares of MASS stock, worth $211,686. This represents 0.09% of its overall portfolio holdings.

Number of Shares
38,629
Previous 73,629 47.54%
Holding current value
$211,686
Previous $525 Million 35.54%
% of portfolio
0.09%
Previous 0.14%

Shares

2 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Oct 06, 2025

SELL
$5.44 - $8.76 $190,400 - $306,600
-35,000 Reduced 47.54%
38,629 $338 Million
Q2 2025

Jul 16, 2025

BUY
$3.63 - $7.97 $267,273 - $586,823
73,629 New
73,629 $525 Million

Others Institutions Holding MASS

About 908 Devices Inc.


  • Ticker MASS
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Medical Devices
  • Shares Outstandng 31,590,200
  • Market Cap $173M
  • Description
  • 908 Devices Inc., a commercial-stage technology company, provides various purpose-built handheld and desktop mass spectrometry (Mass Spec) devices to interrogate unknown and invisible materials in life sciences research, bioprocessing, industrial biotech, forensics, and adjacent markets. The company's products include MX908, a handheld, battery-...
More about MASS
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