908 DEVICES INC (MASS) is held by 68 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is ARK Investment Management LLC as of Q1 2026.

Are institutions buying or selling MASS?

In Q1 2026, 26 institutions opened or increased positions in 908 DEVICES INC while 41 reduced or exited — a net selling quarter.

What is the Smart Money Verdict on MASS?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for 908 DEVICES INC.

How many hedge funds hold MASS?

68 institutional investors report holding 908 DEVICES INC (MASS) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into MASS?

As of Q1 2026, tracked institutions in 908 DEVICES INC show 26 buyers versus 41 sellers — net outflows.

908 DEVICES INC

MASS·65443P102·US·Common Stock·Healthcare - Medical Devices-13D/G

Holders

Avg rating(15 Elite)

$69.6M

Total Value

39% (74)

Fund Consensus

26 buying - 41 selling

Smart Money Verdict

View all

Held by 68 funds

15 elite

Who's Trading

InsiderBDBrown Christopher D.Sell $20KJul 2, 2026

InsiderKJKnopp Kevin J.Sell $2KJul 2, 2026

InsiderKJKnopp Kevin J.Sell $25KJun 26, 2026

InsiderKJKnopp Kevin J.Sell $149KJun 25, 2026

InsiderKJKnopp Kevin J.Sell $370KJun 24, 2026

InsiderBDBrown Christopher D.Sell $89KJun 23, 2026

InsiderKJKnopp Kevin J.Sell $31KJun 23, 2026

InsiderAIAWM Investment Company, Inc.Sell $27KJun 23, 2026

Activist

ARK Investment Management LLC4.9%Jun 5, 2026

ActivistKCKeith Crandell15.3%May 15, 2026

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
ARK Investment Management LLC	Decreased	1.9M(-2.0%)	$11.9M	0.1%	-74.14%	0
BlackRock, Inc.	Decreased	1.8M(-1.9%)	$10.8M	0.0%	+249.48%	0
VAVANGUARD CAPITAL MANAGEMENT LLC	New	1.1M	$6.8M	0.0%	+28.16%	38
First Eagle Investment Management, LLC	Increased	803,606(+28.8%)	$4.9M	0.0%	+12.57%	34
GEODE CAPITAL MANAGEMENT, LLC	Increased	695,455(+1.0%)	$4.3M	0.0%	-61.79%	27
STATE STREET CORP	Increased	625,892(+5.0%)	$3.8M	0.0%	+9.34%	28
MORGAN STANLEY	Decreased	373,258(-15.3%)	$2.3M	0.0%	+115.61%	0
Sumitomo Mitsui Trust Group, Inc.	Decreased	269,873(-6.3%)	$1.7M	0.0%	-72.96%	0
Amova Asset Management Americas, Inc.	Decreased	269,873(-6.3%)	$1.7M	0.0%	-73.64%	0
NORTHERN TRUST CORP	Increased	241,332(+4.8%)	$1.5M	0.0%	-68.06%	27
RENAISSANCE TECHNOLOGIES LLC	Increased	230,200(+3.6%)	$1.4M	0.0%	+8.46%	26
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Decreased	229,489(-4.8%)	$1.4M	0.0%	-60.99%	0
SOSquarepoint Ops LLC	Decreased	213,193(-2.5%)	$1.3M	0.0%	+15.57%	0
VFVANGUARD FIDUCIARY TRUST CO	New	180,250	$1.1M	0.0%	+28.16%	35
RAYMOND JAMES FINANCIAL INC	Decreased	176,520(-1.0%)	$1.1M	0.0%	+0.02%	0
SEI INVESTMENTS CO	Increased	164,894(+101.2%)	$1M	0.0%	+40.42%	40
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	163,694	$1M	0.0%	+28.16%	35
Russell Investments Group, Ltd.	Increased	145,329(+6307.8%)	$889,417	0.0%	+27.59%	40
CITADEL ADVISORS LLC	Decreased	144,547(-45.3%)	$884,627	0.0%	+55.47%	0
MILLENNIUM MANAGEMENT LLC	Decreased	142,422(-9.9%)	$871,623	0.0%	+47.04%	0