908 Devices Inc.

NasdaqGM:MASS Stock Report

Market Cap: US$256.4m

908 Devices Ownership

Who are the major shareholders and have insiders been buying or selling?


Recent Insider Transactions

NasdaqGM:MASS Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
08 May 26SellUS$148,048John KennewegIndividual18,255US$8.11

Insider Trading Volume

Insider Buying: MASS insiders have only sold shares in the past 3 months.


Ownership Breakdown

What is the ownership structure of MASS?
Owner TypeNumber of SharesOwnership Percentage
General Public423,1751.12%
Individual Insiders3,423,0469.05%
Hedge Funds5,199,92413.8%
VC/PE Firms5,725,04515.1%
Institutions23,042,43160.9%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.


Top Shareholders

Top 25 shareholders own 86.52% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
16.1%
First Light Asset Management, LLC
6,072,563US$41.2m1.81%3.4%
15.1%
Arch Venture Partners, L.P.
5,725,045US$38.8m0%3.17%
13.8%
AWM Investment Company Inc
5,199,924US$35.3m0%2.82%
5.15%
ARK Investment Management LLC
1,946,685US$13.2m-1.98%0.09%
4.67%
BlackRock, Inc.
1,767,316US$12.0m-1.91%no data
3.89%
The Vanguard Group, Inc.
1,470,864US$10.0m0%no data
3.54%
Kevin Knopp
1,337,191US$9.1m5.79%no data
3.28%
Needham Investment Management, LLC
1,240,000US$8.4m61%0.31%
2.45%
Christopher Brown
925,559US$6.3m-6.09%no data
2.13%
First Eagle Investment Management, LLC
803,606US$5.4m28.8%no data
1.84%
Geode Capital Management, LLC
695,455US$4.7m1%no data
1.84%
Granahan Investment Management, LLC
695,070US$4.7m663%0.19%
1.66%
State Street Global Advisors, Inc.
625,892US$4.2m4.96%no data
1.5%
Tao Capital Management LP
568,981US$3.9m0%2.75%
1.3%
Essex Investment Management Company, LLC
491,221US$3.3m1.78%0.45%
1.27%
Kevin Hrusovsky
480,982US$3.3m0%no data
0.96%
Meros Investment Management, LP
361,738US$2.5m4.24%0.94%
0.96%
Prescott Group Capital Management L.L.C.
361,595US$2.5m0%0.23%
0.89%
Sst Advisers, L.L.C.
338,137US$2.3m0%12.59%
0.84%
Highmark Wealth Management LLC
319,350US$2.2m32.5%0.78%
0.76%
Eaton Vance Management
287,851US$2.0m-2.55%no data
0.71%
Amova Asset Management Co., Ltd.
269,873US$1.8m-6.32%no data
0.66%
GSA Capital Partners LLP
251,028US$1.7m106%0.1%
0.64%
Northern Trust Global Investments
241,332US$1.6m4.79%no data
0.63%
GM Advisory Group, LLC
238,218US$1.6m-14.6%0.06%

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/05/20 05:05
End of Day Share Price 2026/05/20 00:00
Earnings2026/03/31
Annual Earnings2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

908 Devices Inc. is covered by 4 analysts. 4 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Puneet SoudaLeerink Partners LLC
Daniel AriasStifel, Equities Research
Brendan SmithTD Cowen