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908 Devices
MASS
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Overview
Overview
News
News
Posts
Posts
Financials
Financials
Forecast
Forecast
Valuation
Valuation
Shareholders
Shareholders
Profile
Profile
All Shareholders
Institutional Holders
Insiders
All Shareholders
Shareholder Type
Institutions
57.53%
VC/PE firms
13.85%
Hedge funds
10.75%
Public and others
10.35%
Individuals & Insiders
7.53%
Major Shareholders
Latest
Major Shareholders Latest
Shareholder
% Held
Shares Held
Change %
Shares Changed
Report Date
First Light Asset Management, LLC
15.20%
6.28M
1.03%
+210.24K
06/30/2026
Arch Venture Partners, L.P.
13.85%
5.73M
1.45%
+0
06/30/2026
AWM Investment Company Inc
10.75%
4.44M
2.08%
-438.14K
08/21/2026
ARK Investment Management LLC
4.91%
2.03M
0.30%
+81.24K
06/30/2026
BlackRock, Inc.
4.70%
1.94M
0.02%
+176.92K
06/30/2026
Needham Investment Management, LLC
4.40%
1.82M
1.09%
+580.62K
06/30/2026
Vanguard Capital Management, LLC
3.57%
1.48M
0.10%
+178.14K
06/30/2026
Kevin Knopp
Co-Founder, CEO, President & Director
2.65%
1.10M
0.69%
-176.86K
08/17/2026
First Eagle Investment Management, LLC
2.25%
929.99K
0.10%
+126.38K
06/30/2026
Christopher Brown
Co-Founder, Board Advisor & Director
1.88%
775.56K
0.35%
-70.00K
09/02/2026
Geode Capital Management, LLC
1.84%
761.80K
0.02%
+66.34K
06/30/2026
Granahan Investment Management, LLC
1.67%
692.09K
0.18%
-2.98K
06/30/2026
State Street Investment Management
1.47%
606.56K
0.21%
-19.33K
06/30/2026
Kevin Hrusovsky
Independent Chairman of the Board
1.20%
495.07K
0.09%
+14.08K
06/10/2026
Essex Investment Management Company, LLC
1.14%
470.24K
0.18%
-20.98K
06/30/2026
Prescott Group Capital Management L.L.C.
0.87%
361.60K
0.09%
+0
06/30/2026
Meros Investment Management, LP
0.87%
361.37K
0.09%
-370.00
06/30/2026
American Century Investment Management Inc
0.87%
359.85K
0.72%
+303.95K
06/30/2026
Highmark Wealth Management LLC
0.82%
339.78K
0.03%
+20.43K
06/30/2026
Sst Advisers, L.L.C.
0.82%
338.14K
0.07%
+0
08/21/2026