908 DevicesMASS
13F holders, Q3 2025 (September 30)107holders +6
17new positions
12sold out
5famous investors
$8.76avg. 13F price*
At the end of Q3 2025, 107 institutions reported holding 908 Devices Inc. (MASS) in their 13F filings, up 6 from Q2 2025. 17 opened new positions and 12 sold out. The largest holders were AWM Investment Company, Inc. ($45.6M), First Light Asset Management, LLC ($22.0M) and State Street Corp. ($20.1M). 5 famous investors held it, including Cathie Wood (0.1% of ARK Investment Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- 908 Devices Inc.
- CUSIP
- 65443P102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 17 | $4.5M |
| Exits | 12 | $1.5M |
All 13F filers, Q2 2025 → Q3 2025: 2,749,698 shares bought and 2,583,348 shares sold, net +166,350 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 107 holders
| AWM Investment Company, Inc. | 4.27% | No change | 5,199,924 | $45.6M |
| First Light Asset Management, LLC | 2.07% | Add +135.2% | 2,510,496 | $22.0M |
| State Street Corp. | 0.00% | Add +0.5% | 2,298,648 | $20.1M |
| ARK Investment Management | 0.10% | Reduce -26.2% | 1,953,772 | $17.1M |
| BlackRock, Inc. | 0.00% | Reduce -1.9% | 1,756,205 | $15.4M |
| Vanguard Group Inc. | 0.00% | Reduce -0.7% | 1,421,732 | $12.5M |
| GM Advisory Group, LLC | 0.25% | Reduce -41.8% | 678,086 | $5.9M |
| Geode Capital Management, LLC | 0.00% | Add +2.0% | 672,089 | $5.9M |
| First Eagle Investment Management, LLC | 0.01% | Add +125.9% | 603,962 | $5.3M |
| Morgan Stanley | 0.00% | Add +3.1% | 571,680 | $5.0M |
| Tao Capital Management LP | 3.77% | No change | 568,981 | $5.0M |
| Essex Investment Management Co. LLC | 0.66% | Add +3.5% | 493,949 | $4.3M |
| Marshall Wace, LLP | 0.00% | Reduce -32.2% | 439,639 | $3.9M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -10.5% | 324,788 | $2.8M |
| Sumitomo Mitsui Trust Group, Inc. | 0.00% | Reduce -20.1% | 318,350 | $2.8M |
| Amova Asset Management Americas, Inc. | 0.03% | Reduce -19.3% | 318,350 | $2.8M |
| Bank of America Corp. | 0.00% | Reduce -25.6% | 270,069 | $2.4M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +3.8% | 241,119 | $2.1M |
| Needham Investment Management LLC | 0.14% | Add +48.0% | 222,000 | $1.9M |
| Renaissance Technologies | 0.00% | Add +20.2% | 209,300 | $1.8M |
| Northern Trust Corp. | 0.00% | Reduce -1.4% | 208,032 | $1.8M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | Reduce -4.9% | 202,175 | $1.8M |
| Prescott Group Capital Management, L.L.C. | 0.18% | No change | 190,005 | $1.7M |
| Royal Bank of Canada | 0.00% | Reduce -3.7% | 184,219 | $1.6M |
| Raymond James Financial Inc. | 0.00% | Add +2649.5% | 183,282 | $1.6M |
| Legato Capital Management LLC | 0.14% | No change | 142,055 | $1.2M |
| Squarepoint Ops LLC | 0.00% | New | 133,774 | $1.2M |
| AQR Capital Management | 0.00% | Add +10.7% | 105,179 | $921K |
| Meros Investment Management, LP | 0.39% | Add +50.2% | 104,323 | $914K |
| Schonfeld Strategic Advisors LLC | 0.01% | Reduce -56.4% | 103,025 | $902K |
| Parkman Healthcare Partners LLC | 0.10% | Add +0.4% | 100,368 | $879K |
| Nuveen, LLC | 0.00% | No change | 99,988 | $876K |
| Bank of Montreal | 0.00% | Reduce -0.1% | 90,852 | $796K |
| Informed Momentum Co LLC | 0.09% | Add +19.6% | 86,595 | $759K |
| Goldman Sachs Group Inc. | 0.00% | Add +15.0% | 79,690 | $698K |
| Two Sigma Investments, LP | 0.00% | Add +1.9% | 72,327 | $634K |
| Cassaday & Co Wealth Management LLC | 0.01% | New | 71,629 | $627K |
| LPL Financial LLC | 0.00% | Reduce -14.1% | 69,173 | $606K |
| Bruce & Co., Inc. | 0.19% | No change | 68,286 | $598K |
| Campbell & CO Investment Adviser LLC | 0.04% | Reduce -38.8% | 66,481 | $582K |
| Bank of New York Mellon Corp | 0.00% | Add +15.3% | 66,223 | $580K |
| Granahan Investment Management, LLC | 0.02% | New | 64,338 | $564K |
| UBS Group AG | 0.00% | Reduce -1.7% | 60,664 | $531K |
| American Century Companies Inc. | 0.00% | Reduce -0.3% | 56,108 | $492K |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 0.03% | Add +38.2% | 52,787 | $462K |
| Cubist Systematic Strategies, LLC | 0.01% | New | 47,934 | $420K |
| Alliancebernstein L.P. | 0.00% | Reduce -17.8% | 45,850 | $402K |
| XTX Topco Ltd | 0.02% | New | 45,036 | $395K |
| Old Port Advisors | 0.09% | Reduce -47.5% | 38,629 | $338K |
| Barclays PLC | 0.00% | Reduce -22.4% | 38,585 | $338K |
| FourThought Financial Partners, LLC | 0.03% | New | 37,334 | $327K |
| Rhumbline Advisers | 0.00% | Reduce -1.1% | 36,028 | $316K |
| Millennium Management | 0.00% | Reduce -62.4% | 31,063 | $272K |
| Bridgeway Capital Management, LLC | 0.01% | No change | 30,500 | $267K |
| D. E. Shaw & Co. | 0.00% | Reduce -86.3% | 25,603 | $224K |
| Susquehanna International Group, LLP | 0.00% | Reduce -44.0% | 23,778 | $208K |
| Concurrent Investment Advisors, LLC | 0.00% | No change | 23,470 | $206K |
| Trexquant Investment LP | 0.00% | New | 21,337 | $187K |
| 49 Wealth Management, LLC | 0.02% | No change | 19,188 | $168K |
| Graham Capital Management, L.P. | 0.01% | New | 18,413 | $161K |
| Quantinno Capital Management LP | 0.00% | Add +23.4% | 18,140 | $159K |
| Wells Fargo & Company | 0.00% | Add +19.0% | 17,795 | $156K |
| SG Americas Securities, LLC | 0.00% | Reduce -26.0% | 17,651 | $155K |
| Acadian Asset Management LLC | 0.00% | New | 16,878 | $147K |
| Cresset Asset Management, LLC | 0.00% | Add +33.4% | 15,666 | $137K |
| Invesco Ltd. | 0.00% | Reduce -84.7% | 14,249 | $125K |
| T. Rowe Price Associates Inc. | 0.00% | Add +11.4% | 13,827 | $122K |
| Intech Investment Management LLC | 0.00% | Reduce -23.0% | 13,236 | $116K |
| Axq Capital, LP | 0.04% | New | 13,045 | $114K |
| STRS Ohio | 0.00% | New | 12,900 | $113K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -15.2% | 12,700 | $111K |
| Brevan Howard Capital Management LP | 0.00% | New | 11,600 | $102K |
| JPMorgan Chase & Co. | 0.00% | Reduce -15.2% | 11,238 | $98K |
| FMR LLC | 0.00% | Add +0.1% | 10,793 | $95K |
| Russell Investments Group, Ltd. | 0.00% | New | 10,640 | $93K |
| MetLife Investment Management, LLC | 0.00% | Reduce -41.8% | 10,366 | $91K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Add +51.6% | 8,523 | $75K |
| New York State Common Retirement Fund | 0.00% | No change | 8,487 | $74K |
| Daiwa Securities Group Inc. | 0.00% | Reduce -8.7% | 7,749 | $68K |
| Cwm, LLC | 0.00% | Reduce -13.1% | 6,846 | $60K |
| Allworth Financial LP | 0.00% | No change | 5,449 | $48K |
| BNP Paribas Financial Markets | 0.00% | Reduce -74.8% | 5,374 | $47K |
| ANTIPODES PARTNERS Ltd | 0.00% | Reduce -20.3% | 5,227 | $46K |
| Nisa Investment Advisors, LLC | 0.00% | No change | 3,784 | $33K |
| Farther Finance Advisors, LLC | 0.00% | New | 3,233 | $28K |
| Legal & General Group Plc | 0.00% | No change | 2,918 | $26K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 2,795 | $24K |
| Citigroup Inc. | 0.00% | Reduce -79.3% | 2,260 | $20K |
| California State Teachers Retirement System | 0.00% | Add +0.1% | 1,722 | $15K |
| Signaturefd, LLC | 0.00% | No change | 1,447 | $13K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -74.8% | 1,147 | $10K |
| Versant Capital Management, Inc | 0.00% | No change | 1,070 | $9K |
| Amalgamated Bank | 0.00% | No change | 766 | $7K |
| GAMMA Investing LLC | 0.00% | Add +16.3% | 679 | $6K |
| Deutsche Bank AG | 0.00% | Reduce -97.5% | 534 | $5K |
| Sterling Capital Management LLC | 0.00% | Add +120.1% | 493 | $4K |
| Optiver Holding B.V. | 0.00% | New | 466 | $4K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +113.1% | 375 | $3K |
| Arax Advisory Partners | 0.00% | Add +13.5% | 278 | $2K |
| Essential Partners LLC | 0.00% | No change | 218 | $2K |
"% of holder's portfolio" is MASS's weight in each manager's 13F, not the share of 908 Devices Inc. the manager owns.