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908 Devices Inc.

MASS
Exchange
Nasdaq
Industry
Laboratory Analytical Instruments
SEC CIK
0001555279

In the last 90 days, 908 Devices Inc. insiders filed 0 open-market purchases and 13 sales; 111 institutions reported holding it in 13F filings for Q2 2026, worth $244.1M in total; ARK Invest is the only superinvestor holding it.

Q4 2021 vs. Q3 2021

How the institutions holding 908 Devices Inc. changed between Q3 2021 and Q4 2021.

All holders in Q4 2021All holders in Q3 2021

13F holders of MASS: Q3 2021 compared with Q4 2021
MeasureQ3 2021Of which not filed for Q4 2021Q4 2021Change
Holders86187+2
Shares16.0M16.0K19.0M+3.04M (+19.1%)
Value$519.5M$520.0K$490.2M−$28.7M (−5.5%)

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (12)

Institutions that held 908 Devices Inc. at the end of Q4 2021 but not at the end of Q3 2021.

Institutions new to MASS in Q4 2021
InstitutionSharesValue% of portfolio
Nomura Holdings Inc23,096$595.0K0.00%
Citadel Advisors LLC22,868$592.0K0.00%
Susquehanna International Group, LLP17,610$456.0K0.00%
Dynamic Technology Lab Private Ltd13,590$352.0K0.04%
Rock Creek Group, LP18,392$291.0K0.04%
Cubist Systematic Strategies, LLC10,854$281.0K0.00%
Hudson Bay Capital Management LP10,362$268.0K0.00%
Balyasny Asset Management LLC10,198$264.0K0.00%
Paloma Partners Management Co8,484$219.0K0.01%
Invesco Ltd.8,057$209.0K0.00%
Quantbot Technologies LP600$15.0K0.00%
Spire Wealth Management225$6.00K0.00%

Sold out (10)

Institutions that held 908 Devices Inc. at the end of Q3 2021 and filed for Q4 2021 without it.

Institutions that sold out of MASS in Q4 2021
InstitutionShares, Q3 2021Value, Q3 2021
M&G Investment Management Ltd149,914$4.95M
Jane Street Group, LLC58,526$1.90M
Jefferies Group LLC17,500$569.1K
Squarepoint Ops LLC7,066$230.0K
SG Americas Securities, LLC5,989$195.0K
Charter Oak Capital Management, LLC5,000$163.0K
Steward Partners Investment Advisory, LLC175$6.00K
Captrust Financial Advisors139$5.00K
Signaturefd, LLC60$2.00K
Glassman Wealth Services5$0

Not filed for Q4 2021 yet (1)

Institutions that held 908 Devices Inc. at the end of Q3 2021 and haven't filed a 13F for Q4 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MASS in Q3 2021 that haven't filed for Q4 2021
InstitutionShares, Q3 2021Value, Q3 2021
Marshall Wace North America L.P.15,990$520.0K