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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.

Q3 2025 vs. Q2 2025

How the institutions holding 908 Devices Inc. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of MASS: Q2 2025 compared with Q3 2025
MeasureQ2 2025Q3 2025Change
Holders102107+5
Shares24.3M24.5M+166.3K (+0.7%)
Value$173.6M$214.7M+$41.1M (+23.7%)

New holders (17)

Institutions that held 908 Devices Inc. at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to MASS in Q3 2025
InstitutionSharesValue% of portfolio
Squarepoint Ops LLC133,774$1.17M0.00%
Cassaday & Co Wealth Management LLC71,629$627.5K0.01%
Granahan Investment Management Inc64,338$563.6K0.02%
Cubist Systematic Strategies, LLC47,934$419.9K0.01%
XTX Topco Ltd45,036$394.5K0.02%
FourThought Financial Partners, LLC37,334$327.0K0.03%
Trexquant Investment LP21,337$186.9K0.00%
Graham Capital Management, L.P.18,413$161.3K0.01%
Acadian Asset Management LLC16,878$147.0K0.00%
Axq Capital, LP13,045$114.3K0.04%
STRS Ohio12,900$113.0K0.00%
Brevan Howard Capital Management LP11,600$101.6K0.00%
Russell Investments Group, Ltd.10,640$93.2K0.00%
Farther Finance Advisors, LLC3,233$28.3K0.00%
Optiver Holding B.V.466$4.08K0.00%
Jones Financial Companies LLLP99$7930.00%
Sunbelt Securities, Inc.22$1930.00%

Sold out (12)

Institutions that held 908 Devices Inc. at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of MASS in Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Manatuck Hill Partners, LLC80,000$570.4K
Jane Street Group, LLC47,850$341.2K
Zacks Investment Management25,720$183.4K
Dynamic Technology Lab Private Ltd18,537$132.0K
Walleye Capital LLC11,504$82.0K
Catalyst Funds Management Pty Ltd11,400$81.3K
Manufacturers Life Insurance Company, The10,869$77.5K
Larson Financial Group LLC3,467$24.7K
Clear Street Markets LLC2,277$16.2K
Kozak & Associates, Inc.750$5.30K
South State Corp.200$1.43K
IFP Advisors, Inc0$1.37K