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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.

Q2 2025 vs. Q1 2025

How the institutions holding 908 Devices Inc. changed between Q1 2025 and Q2 2025.

All holders in Q2 2025All holders in Q1 2025

13F holders of MASS: Q1 2025 compared with Q2 2025
MeasureQ1 2025Q2 2025Change
Holders87102+15
Shares20.6M24.3M+3.72M (+18.0%)
Value$92.3M$173.6M+$81.2M (+88.0%)

New holders (27)

Institutions that held 908 Devices Inc. at the end of Q2 2025 but not at the end of Q1 2025.

Institutions new to MASS in Q2 2025
InstitutionSharesValue% of portfolio
GM Advisory Group, Inc.1,165,291$8.31M0.41%
First Eagle Investment Management, LLC267,378$1.91M0.00%
Schonfeld Strategic Advisors LLC236,438$1.69M0.01%
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.212,514$1.52M0.00%
Campbell & CO Investment Adviser LLC108,689$775.0K0.05%
Parkman Healthcare Partners LLC100,000$713.0K0.08%
Millennium Management LLC82,699$589.6K0.00%
Manatuck Hill Partners, LLC80,000$570.4K0.21%
Old Port Advisors73,629$525.0K0.14%
EAM Investors, LLC72,416$516.3K0.08%
Meros Investment Management, LP69,470$495.3K0.24%
Jane Street Group, LLC47,850$341.2K0.00%
Dynamic Technology Lab Private Ltd18,537$132.0K0.02%
MetLife Investment Management17,821$127.1K0.00%
Intech Investment Management LLC17,187$122.5K0.00%
Quantinno Capital Management LP14,698$104.8K0.00%
Walleye Capital LLC11,504$82.0K0.00%
Catalyst Funds Management Pty Ltd11,400$81.3K0.02%
Manufacturers Life Insurance Company, The10,869$77.5K0.00%
Daiwa Securities Group Inc.8,490$61.0K0.00%
Raymond James Financial Inc6,666$47.5K0.00%
Clear Street Markets LLC2,277$16.2K0.01%
Kozak & Associates, Inc.750$5.30K0.00%
GAMMA Investing LLC584$4.16K0.00%
SRS Capital Advisors, Inc.245$1.75K0.00%
Essential Partners LLC218$1.55K0.00%
IFP Advisors, Inc0$1.37K0.00%

Sold out (12)

Institutions that held 908 Devices Inc. at the end of Q1 2025 and filed for Q2 2025 without it.

Institutions that sold out of MASS in Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
Gsa Capital Partners LLP51,838$232.0K
PDT Partners, LLC41,600$186.4K
XTX Topco Ltd38,208$171.2K
Thrivent Financial for Lutherans23,470$85.0K
HSBC Holdings PLC20,264$84.5K
Axq Capital, LP18,165$81.4K
Wolverine Trading, LLC14,353$58.0K
Corebridge Financial, Inc.11,626$52.1K
Cambridge Investment Research Advisors, Inc.10,000$45.0K
Simplex Trading, LLC3,516$15.0K
HM Payson & Co1,500$6.72K
Coldstream Capital Management Inc247$1.11K