908 Devices Inc.

MASS

Exchange: Nasdaq
Industry: Laboratory Analytical Instruments
SEC CIK: 0001555279

SEC filings (opens in a new tab)

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 2022 vs. Q3 2022

How the institutions holding 908 Devices Inc. changed between Q3 2022 and Q4 2022.

All holders in Q4 2022 All holders in Q3 2022

13F holders of MASS: Q3 2022 compared with Q4 2022
Measure	Q3 2022	Of which not filed for Q4 2022	Q4 2022	Change
Holders	81	1	93	+13
Shares	22.0M	10.0K	21.7M	−259.7K (−1.2%)
Value	$359.9M	$165.0K	$165.4M	−$194.3M (−54.0%)

1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so the changes leave them out.

New holders (24)

Institutions that held 908 Devices Inc. at the end of Q4 2022 but not at the end of Q3 2022.

Institutions new to MASS in Q4 2022
Institution	Shares	Value	% of portfolio
Squarepoint Ops LLC	71,494	$544.8K	0.00%
Bruce & Co., Inc.	68,286	$520.3K	0.13%
Emerald Mutual Fund Advisers Trust	65,065	$495.8K	0.03%
Two Sigma Investments, LP	45,038	$343.2K	0.00%
Two Sigma Advisers, LP	28,900	$220.2K	0.00%
State of Wisconsin Investment Board	26,199	$199.6K	0.00%
Man Group plc	25,800	$196.6K	0.00%
Balyasny Asset Management LLC	23,653	$180.2K	0.00%
Jump Financial, LLC	23,400	$178.3K	0.01%
Graham Capital Management, L.P.	13,148	$100.2K	0.00%
Landscape Capital Management, L.L.C.	12,735	$97.0K	0.01%
Alpine Global Management, LLC	11,899	$91.0K	0.03%
Mirae Asset Global Investments Co., Ltd.	11,175	$85.2K	0.00%
Belvedere Trading LLC	10,336	$78.8K	0.04%
Quantbot Technologies LP	10,181	$77.6K	0.01%
Rockefeller Capital Management L.P.	6,400	$48.0K	0.00%
Aquatic Capital Management LLC	2,900	$22.0K	0.00%
Private Trust Co NA	216	$2.00K	0.00%
Dark Forest Capital Management LP	104	$792	0.00%
Pension & Wealth Management Advisors, Inc.	100	$762	0.00%
Quadrant Capital Group LLC	75	$572	0.00%
Group One Trading, L.P.	58	$442	0.00%
Nisa Investment Advisors, LLC	32	$0	0.00%
CWM, LLC	32	$0	0.00%

Sold out (11)

Institutions that held 908 Devices Inc. at the end of Q3 2022 and filed for Q4 2022 without it.

Institutions that sold out of MASS in Q4 2022
Institution	Shares, Q3 2022	Value, Q3 2022
Lord, Abbett & Co. LLC	246,855	$4.06M
Bank of Montreal	174,000	$3.00M
Eversept Partners, LP	130,768	$2.15M
Pura Vida Investments, LLC	55,556	$914.0K
Marshall Wace, LLP	53,284	$876.0K
Sit Investment Associates Inc	38,450	$633.0K
BNP Paribas Arbitrage, SA	14,017	$230.6K
SG Americas Securities, LLC	9,237	$152.0K
GPS Wealth Strategies Group, LLC	475	$8.00K
Signaturefd, LLC	87	$1.00K
Allworth Financial LP	21	$0

Not filed for Q4 2022 yet (1)

Institutions that held 908 Devices Inc. at the end of Q3 2022 and haven't filed a 13F for Q4 2022. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MASS in Q3 2022 that haven't filed for Q4 2022
Institution	Shares, Q3 2022	Value, Q3 2022
Parian Global Management LP	10,000	$165.0K