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
Date	Value	Name	Entity	Shares	Max Price
13 May 24	BuyUS$64,200	Kevin Knopp	Individual	10,000	US$6.42
10 May 24	BuyUS$57,700	Kevin Knopp	Individual	10,000	US$5.77
09 May 24	BuyUS$58,300	Kevin Knopp	Individual	10,000	US$5.83
08 May 24	BuyUS$57,200	Kevin Knopp	Individual	10,000	US$5.72
07 May 24	BuyUS$56,000	Kevin Knopp	Individual	10,000	US$5.60

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of MASS?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	2,899,491	8.33%
VC/PE Firms	5,725,045	16.4%
General Public	7,165,584	20.6%
Institutions	19,032,716	54.7%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 7.5%.

Top Shareholders

Top 25 shareholders own 72.89% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
16.4%	Arch Venture Partners, L.P.	5,725,045	US$13.1m	0%	1.78%
9.25%	ARK Investment Management LLC	3,219,549	US$7.4m	-18.2%	0.05%
5.41%	BlackRock, Inc.	1,884,480	US$4.3m	11.3%	no data
5.39%	The Vanguard Group, Inc.	1,877,696	US$4.3m	1.9%	no data
5.29%	Columbia Management Investment Advisers, LLC	1,842,846	US$4.2m	-2.11%	no data
4.52%	AWM Investment Company Inc	1,574,330	US$3.6m	55.7%	0.4%
3.47%	Kevin Knopp	1,208,248	US$2.8m	15.1%	no data
2.84%	Nikko Asset Management Co., Ltd.	990,444	US$2.3m	99.8%	no data
2.72%	Christopher Brown	946,453	US$2.2m	6.19%	no data
2.47%	Granahan Investment Management, LLC	861,433	US$2.0m	-6.33%	0.07%
2.36%	Fred Alger Management, LLC	820,448	US$1.9m	-18.5%	0.01%
1.63%	Tao Capital Management LP	568,981	US$1.3m	0%	0.88%
1.63%	Geode Capital Management, LLC	567,788	US$1.3m	1.18%	no data
1.38%	State Street Global Advisors, Inc.	479,044	US$1.1m	1.21%	no data
1.35%	E. Hrusovsky	469,618	US$1.1m	0%	no data
1.14%	Dimensional Fund Advisors LP	397,039	US$909.2k	61.9%	no data
0.93%	Renaissance Technologies LLC	322,400	US$738.3k	64.9%	no data
0.74%	Platinum Investment Management Limited	257,423	US$589.5k	-6.07%	0.02%
0.68%	Sands Capital Ventures, LLC	237,258	US$543.3k	0%	0.13%
0.63%	Charles Schwab Investment Management, Inc.	220,477	US$504.9k	14.6%	no data
0.62%	Citadel Advisors LLC	217,129	US$497.2k	28.3%	no data
0.57%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	198,597	US$454.8k	96.3%	no data
0.54%	Northern Trust Global Investments	186,677	US$427.5k	2.29%	no data
0.45%	Jackson National Asset Management, LLC	156,627	US$358.7k	-5.22%	0.01%
0.44%	AQR Capital Management, LLC	152,050	US$348.2k	33.9%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/01/06 07:58
End of Day Share Price	2025/01/03 00:00
Earnings	2024/09/30
Annual Earnings	2023/12/31

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.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* 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 here.

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 .

Analyst Sources

908 Devices Inc. is covered by 6 analysts. 5 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Puneet Souda	Leerink Partners LLC
Jacob Johnson	Stephens, Inc.
Daniel Arias	Stifel, Equities Research