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.
13F holders, Q2 2026
Institutional positions in 908 Devices Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 111
- +3 vs. Q1 2026
- Shares held
- 28.1M
- +414.0K (+1.5%) vs. Q1 2026
- Total value
- $244.1M
- +$74.9M (+44.2%) vs. Q1 2026
- New holders
- 14
- 43 more added
- Sold out
- 11
- 36 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MASS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 111 | $244.1M |
| Q1 2026 | 112 | $171.0M |
| Q4 2025 | 118 | $137.3M |
| Q3 2025 | 107 | $214.7M |
| Q2 2025 | 102 | $173.6M |
| Q1 2025 | 87 | $92.3M |
| Q4 2024 | 81 | $36.9M |
| Q3 2024 | 86 | $64.8M |
| Q2 2024 | 90 | $100.4M |
| Q1 2024 | 75 | $156.5M |
| Q4 2023 | 79 | $247.1M |
| Q3 2023 | 83 | $140.8M |
| Q2 2023 | 86 | $145.8M |
| Q1 2023 | 84 | $188.0M |
| Q4 2022 | 93 | $165.4M |
| Q3 2022 | 81 | $359.9M |
| Q2 2022 | 77 | $396.7M |
| Q1 2022 | 84 | $383.7M |
| Q4 2021 | 87 | $490.2M |
| Q3 2021 | 86 | $519.5M |
| Q2 2021 | 74 | $451.9M |
| Q1 2021 | 72 | $413.8M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding 908 Devices Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Essential Partners LLC | 218 | $1.90K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 203 | $1.78K | 0.00% | −190−48.3% | Reduced |
| The PNC Financial Services Group, Inc. | 151 | $1.31K | 0.00% | −5−3.2% | Reduced |
| Cornerstone Financial Management LLC | 129 | $1.12K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 109 | $948 | 0.00% | −21−16.2% | Reduced |
| SJS Investment Consulting Inc. | 26 | $227 | 0.00% | +26 | New |
| True Wealth Design, LLC | 18 | $157 | 0.00% | −11−37.9% | Reduced |
| Caitong International Asset Management Co., Ltd | 3 | $26 | 0.00% | −1−25.0% | Reduced |
| SBI Securities Co., Ltd. | 3 | $26 | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 2 | $17 | 0.00% | −280−99.3% | Reduced |
| FNY Investment Advisers, LLC | 10 | $0 | 0.00% | −40−80.0% | Reduced |
| Tao Capital Management LP | 0 | $0 | 0.00% | −568,981−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −142,422−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −73,194−100.0% | Sold out |
| Cassaday & Co Wealth Management LLC | 0 | $0 | 0.00% | −71,629−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −44,127−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −41,365−100.0% | Sold out |
| 49 Wealth Management, LLC | 0 | $0 | 0.00% | −17,101−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −13,898−100.0% | Sold out |
| Intelligence Driven Advisers, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −202−100.0% | Sold out |
| Jones Financial Companies LLLP | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| GM Advisory Group, Inc. | – | – | – | – | Not filed |
| Skopos Labs, Inc. | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |