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, Q4 2025
Institutional positions in 908 Devices Inc. as of Dec 31, 2025. 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
- 118
- +12 vs. Q3 2025
- Shares held
- 26.2M
- +1.70M (+6.9%) vs. Q3 2025
- Total value
- $137.3M
- −$76.9M (−35.9%) vs. Q3 2025
- New holders
- 22
- 38 more added
- Sold out
- 10
- 41 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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, Q4 2025
Shares, value and share of portfolio for each institution holding 908 Devices Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Citadel Advisors LLC | 264,373 | $1.39M | 0.00% | +264,373 | New |
| GM Advisory Group, Inc. | 278,792 | $1.46M | 0.06% | −399,294−58.9% | Reduced |
| Nikko Asset Management Americas, Inc. | 288,081 | $1.51M | 0.02% | −30,269−9.5% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 288,081 | $1.51M | 0.00% | −30,269−9.5% | Reduced |
| Meros Investment Management, LP | 347,035 | $1.82M | 0.72% | +242,712+232.7% | Added |
| Prescott Group Capital Management, L.L.C. | 361,595 | $1.90M | 0.18% | +171,590+90.3% | Added |
| Morgan Stanley | 440,486 | $2.31M | 0.00% | −131,194−22.9% | Reduced |
| Essex Investment Management Co LLC | 482,614 | $2.53M | 0.39% | −11,335−2.3% | Reduced |
| Tao Capital Management LP | 568,981 | $2.99M | 2.57% | 00.0% | Unchanged |
| State Street Corp | 596,294 | $3.13M | 0.00% | −1,702,354−74.1% | Reduced |
| First Eagle Investment Management, LLC | 623,883 | $3.28M | 0.01% | +19,921+3.3% | Added |
| Geode Capital Management, LLC | 688,566 | $3.62M | 0.00% | +16,477+2.5% | Added |
| Needham Investment Management LLC | 770,000 | $4.04M | 0.26% | +548,000+246.8% | Added |
| Vanguard Group Inc | 1,470,864 | $7.72M | 0.00% | +49,132+3.5% | Added |
| BlackRock, Inc. | 1,801,772 | $9.46M | 0.00% | +45,567+2.6% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 1,985,986 | $10.4M | 0.07% | +32,214+1.6% | Added |
| First Light Asset Management, LLC | 4,836,186 | $25.4M | 1.94% | +2,325,690+92.6% | Added |
| AWM Investment Company, Inc. | 5,199,924 | $27.3M | 2.64% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −103,025−100.0% | Sold out |
| Parkman Healthcare Partners LLC | 0 | $0 | 0.00% | −100,368−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −86,595−100.0% | Sold out |
| FourThought Financial Partners, LLC | 0 | $0 | 0.00% | −37,334−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −25,603−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −21,337−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −17,651−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −11,600−100.0% | Sold out |
| Farther Finance Advisors, LLC | 0 | $0 | 0.00% | −3,233−100.0% | Sold out |
| Rise Advisors, LLC | 0 | $0 | 0.00% | −207−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |