908 Devices Inc.

NasdaqGM:MASS Stock Report

Market Cap: US$248.9m

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
15 May 25BuyUS$66,596Kevin KnoppIndividual15,000US$4.44
14 May 25BuyUS$42,850Mark SpotoIndividual10,000US$4.30
14 May 25BuyUS$64,788Kevin KnoppIndividual15,000US$4.32

Insider Trading Volume

Insider Buying: MASS insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of MASS?
Owner TypeNumber of SharesOwnership Percentage
Individual Insiders3,025,7718.44%
Hedge Funds5,199,92414.5%
VC/PE Firms5,725,04516%
General Public6,415,71617.9%
Institutions15,494,69843.2%

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

Top Shareholders

Top 25 shareholders own 75.18% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
16%
Arch Venture Partners, L.P.
5,725,045US$39.7m0%2.24%
14.5%
AWM Investment Company Inc
5,199,924US$36.1m211%4.08%
8.08%
ARK Investment Management LLC
2,899,347US$20.1m3.97%0.14%
4.87%
BlackRock, Inc.
1,746,984US$12.1m-9.34%no data
4.74%
First Light Asset Management, LLC
1,701,095US$11.8m0%1.39%
3.8%
The Vanguard Group, Inc.
1,362,170US$9.5m2.84%no data
3.52%
Kevin Knopp
1,263,956US$8.8m2.43%no data
2.68%
Christopher Brown
962,122US$6.7m0%no data
1.64%
Geode Capital Management, LLC
589,839US$4.1m1.47%no data
1.59%
Tao Capital Management LP
568,981US$3.9m0%2.73%
1.55%
Invesco Capital Management LLC
557,441US$3.9m493,000%no data
1.34%
E. Hrusovsky
480,982US$3.3m2.42%no data
1.34%
Essex Investment Management Company, LLC
480,549US$3.3m0%0.58%
1.3%
State Street Global Advisors, Inc.
467,865US$3.2m2.3%no data
1.15%
Nikko Asset Management Co., Ltd.
412,574US$2.9m-11.7%no data
1.07%
Dimensional Fund Advisors LP
384,332US$2.7m0%no data
0.95%
D. E. Shaw & Co., L.P.
339,715US$2.4m296%no data
0.94%
Sst Advisers, L.L.C.
338,137US$2.3m0%25.04%
0.86%
Eaton Vance Management
309,411US$2.1m76.8%no data
0.62%
Morgan Stanley, Investment Banking and Brokerage Investments
222,198US$1.5m143%no data
0.59%
Charles Schwab Investment Management, Inc.
212,230US$1.5m5.19%no data
0.56%
Northern Trust Global Investments
200,021US$1.4m-0.37%no data
0.56%
Needham Investment Management, LLC
200,000US$1.4m0%0.11%
0.53%
Prescott Group Capital Management L.L.C.
190,005US$1.3m26.7%0.15%
0.4%
Renaissance Technologies LLC
144,600US$1.0m-51%no data

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2025/07/14 17:36
End of Day Share Price 2025/07/14 00:00
Earnings2025/03/31
Annual Earnings2024/12/31

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 5 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
Jacob JohnsonStephens, Inc.
Daniel AriasStifel, Equities Research