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 14 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 |
|---|---|---|---|---|---|
| AWM Investment Company, Inc. | 5,199,924 | $27.3M | 2.64% | 00.0% | Unchanged |
| First Light Asset Management, LLC | 4,836,186 | $25.4M | 1.94% | +2,325,690+92.6% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 1,985,986 | $10.4M | 0.07% | +32,214+1.6% | Added |
| BlackRock, Inc. | 1,801,772 | $9.46M | 0.00% | +45,567+2.6% | Added |
| Vanguard Group Inc | 1,470,864 | $7.72M | 0.00% | +49,132+3.5% | Added |
| Needham Investment Management LLC | 770,000 | $4.04M | 0.26% | +548,000+246.8% | Added |
| Geode Capital Management, LLC | 688,566 | $3.62M | 0.00% | +16,477+2.5% | Added |
| First Eagle Investment Management, LLC | 623,883 | $3.28M | 0.01% | +19,921+3.3% | Added |
| State Street Corp | 596,294 | $3.13M | 0.00% | −1,702,354−74.1% | Reduced |
| Tao Capital Management LP | 568,981 | $2.99M | 2.57% | 00.0% | Unchanged |
| Essex Investment Management Co LLC | 482,614 | $2.53M | 0.39% | −11,335−2.3% | Reduced |
| Morgan Stanley | 440,486 | $2.31M | 0.00% | −131,194−22.9% | Reduced |
| Prescott Group Capital Management, L.L.C. | 361,595 | $1.90M | 0.18% | +171,590+90.3% | Added |
| Meros Investment Management, LP | 347,035 | $1.82M | 0.72% | +242,712+232.7% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 288,081 | $1.51M | 0.00% | −30,269−9.5% | Reduced |
| Nikko Asset Management Americas, Inc. | 288,081 | $1.51M | 0.02% | −30,269−9.5% | Reduced |
| GM Advisory Group, Inc. | 278,792 | $1.46M | 0.06% | −399,294−58.9% | Reduced |
| Citadel Advisors LLC | 264,373 | $1.39M | 0.00% | +264,373 | New |
| Dimensional Fund Advisors LP | 246,614 | $1.29M | 0.00% | −78,174−24.1% | Reduced |
| HighMark Wealth Management LLC | 241,000 | $1.27M | 0.52% | +241,000 | New |
| Charles Schwab Investment Management Inc | 240,929 | $1.26M | 0.00% | −190−0.1% | Reduced |
| Northern Trust Corp | 230,294 | $1.21M | 0.00% | +22,262+10.7% | Added |
| Renaissance Technologies LLC | 222,100 | $1.17M | 0.00% | +12,800+6.1% | Added |
| Squarepoint Ops LLC | 218,676 | $1.15M | 0.00% | +84,902+63.5% | Added |
| Goldman Sachs Group Inc | 199,286 | $1.05M | 0.00% | +119,596+150.1% | Added |
| Marshall Wace, LLP | 190,635 | $1.00M | 0.00% | −249,004−56.6% | Reduced |
| Raymond James Financial Inc | 178,267 | $935.9K | 0.00% | −5,015−2.7% | Reduced |
| Millennium Management LLC | 158,103 | $830.0K | 0.00% | +127,040+409.0% | Added |
| Legato Capital Management LLC | 155,594 | $816.9K | 0.07% | +13,539+9.5% | Added |
| HRT Financial LP | 154,830 | $812.0K | 0.00% | +154,830 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 140,503 | $715.2K | 0.00% | −61,672−30.5% | Reduced |
| Gsa Capital Partners LLP | 122,137 | $641.0K | 0.06% | +122,137 | New |
| Nano Cap New Millennium Growth Fund L P | 120,000 | $630.0K | 0.54% | +120,000 | New |
| UBS Group AG | 112,654 | $591.4K | 0.00% | +51,990+85.7% | Added |
| AQR Capital Management LLC | 104,806 | $550.2K | 0.00% | −373−0.4% | Reduced |
| Nuveen, LLC | 99,988 | $524.9K | 0.00% | 00.0% | Unchanged |
| Granahan Investment Management Inc | 91,141 | $478.5K | 0.02% | +26,803+41.7% | Added |
| Bank of Montreal | 90,852 | $477.0K | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 81,960 | $430.3K | 0.00% | +81,960 | New |
| Acadian Asset Management LLC | 81,862 | $428.0K | 0.00% | +64,984+385.0% | Added |
| Campbell & CO Investment Adviser LLC | 80,553 | $422.9K | 0.02% | +14,072+21.2% | Added |
| Davy Global Fund Management Ltd | 78,026 | $409.6K | 0.03% | +25,239+47.8% | Added |
| Two Sigma Investments, LP | 72,327 | $379.7K | 0.00% | 00.0% | Unchanged |
| Cassaday & Co Wealth Management LLC | 71,629 | $376.1K | 0.01% | 00.0% | Unchanged |
| LPL Financial LLC | 68,561 | $359.9K | 0.00% | −612−0.9% | Reduced |
| Bruce & Co., Inc. | 68,286 | $358.5K | 0.11% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 61,022 | $320.4K | 0.00% | −5,201−7.9% | Reduced |
| Point72 Asset Management, L.P. | 55,945 | $293.7K | 0.00% | +55,945 | New |
| American Century Companies Inc | 55,894 | $293.4K | 0.00% | −214−0.4% | Reduced |
| Bridgeway Capital Management, LLC | 50,500 | $265.1K | 0.01% | +20,000+65.6% | Added |
| Barclays PLC | 44,528 | $233.8K | 0.00% | +5,943+15.4% | Added |
| Alliancebernstein L.P. | 41,550 | $218.1K | 0.00% | −4,300−9.4% | Reduced |
| Old Port Advisors | 38,629 | $202.8K | 0.05% | 00.0% | Unchanged |
| Jane Street Group, LLC | 36,795 | $193.2K | 0.00% | +36,795 | New |
| Rhumbline Advisers | 34,773 | $182.6K | 0.00% | −1,255−3.5% | Reduced |
| State of Wisconsin Investment Board | 32,294 | $169.5K | 0.00% | +32,294 | New |
| Wells Fargo & Company | 30,623 | $160.8K | 0.00% | +12,828+72.1% | Added |
| STRS Ohio | 29,700 | $155.9K | 0.00% | +16,800+130.2% | Added |
| Axq Capital, LP | 28,125 | $147.7K | 0.03% | +15,080+115.6% | Added |
| Engineers Gate Manager LP | 26,681 | $140.1K | 0.00% | +26,681 | New |
| Cresset Asset Management, LLC | 26,343 | $138.3K | 0.00% | +10,677+68.2% | Added |
| Bank of America Corp | 26,341 | $138.3K | 0.00% | −243,728−90.2% | Reduced |
| Quantinno Capital Management LP | 23,226 | $121.9K | 0.00% | +5,086+28.0% | Added |
| Opal Capital LLC | 17,581 | $121.1K | 0.03% | +17,581 | New |
| Susquehanna International Group, LLP | 21,723 | $114.0K | 0.00% | −2,055−8.6% | Reduced |
| Graham Capital Management, L.P. | 20,787 | $109.1K | 0.00% | +2,374+12.9% | Added |
| XTX Topco Ltd | 19,852 | $104.2K | 0.00% | −25,184−55.9% | Reduced |
| Deutsche Bank AG | 18,429 | $96.8K | 0.00% | +17,895+3,351.1% | Added |
| 49 Wealth Management, LLC | 17,581 | $92.3K | 0.01% | −1,607−8.4% | Reduced |
| Invesco Ltd. | 14,428 | $75.7K | 0.00% | +179+1.3% | Added |
| Price T Rowe Associates Inc | 13,827 | $73.0K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 12,722 | $66.8K | 0.00% | +22+0.2% | Added |
| PCM Encore, LLC | 11,830 | $62.1K | 0.01% | +11,830 | New |
| Concurrent Investment Advisors, LLC | 11,745 | $61.7K | 0.00% | −11,725−50.0% | Reduced |
| Intech Investment Management LLC | 11,515 | $60.5K | 0.00% | −1,721−13.0% | Reduced |
| JPMorgan Chase & Co | 10,993 | $57.7K | 0.00% | −245−2.2% | Reduced |
| MetLife Investment Management | 10,948 | $57.5K | 0.00% | +582+5.6% | Added |
| FMR LLC | 10,551 | $55.4K | 0.00% | −242−2.2% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 8,523 | $44.7K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 8,487 | $44.6K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 7,557 | $39.7K | 0.00% | +2,183+40.6% | Added |
| CWM, LLC | 6,794 | $36.0K | 0.00% | −52−0.8% | Reduced |
| Daiwa Securities Group Inc. | 6,750 | $35.0K | 0.00% | −999−12.9% | Reduced |
| Allworth Financial LP | 5,349 | $28.1K | 0.00% | −100−1.8% | Reduced |
| Antipodes Partners Ltd | 5,094 | $26.7K | 0.00% | −133−2.5% | Reduced |
| Pinnacle Wealth Planning Services, Inc. | 4,358 | $22.9K | 0.00% | +4,358 | New |
| State of Wyoming | 3,544 | $18.6K | 0.00% | +3,544 | New |
| Ameritas Investment Partners, Inc. | 2,795 | $14.7K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 2,734 | $14.4K | 0.00% | −184−6.3% | Reduced |
| Russell Investments Group, Ltd. | 2,268 | $11.9K | 0.00% | −8,372−78.7% | Reduced |
| Signaturefd, LLC | 1,966 | $10.3K | 0.00% | +519+35.9% | Added |
| Tower Research Capital LLC (TRC) | 1,915 | $10.1K | 0.00% | +768+67.0% | Added |
| California State Teachers Retirement System | 1,686 | $8.85K | 0.00% | −36−2.1% | Reduced |
| Versant Capital Management, Inc | 1,070 | $5.62K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 860 | $5.00K | 0.00% | +94+12.3% | Added |
| Royal Bank of Canada | 781 | $4.00K | 0.00% | −183,438−99.6% | Reduced |
| Nisa Investment Advisors, LLC | 684 | $3.59K | 0.00% | −3,100−81.9% | Reduced |
| Citigroup Inc | 620 | $3.25K | 0.00% | −1,640−72.6% | Reduced |
| Sterling Capital Management LLC | 578 | $3.04K | 0.00% | +85+17.2% | Added |
| Flagship Harbor Advisors, LLC | 500 | $2.63K | 0.00% | +500 | New |