908 DevicesMASS
13F holders, Q2 2025 (June 30)101holders +14
26new positions
12sold out
5famous investors
$7.13avg. 13F price*
At the end of Q2 2025, 101 institutions reported holding 908 Devices Inc. (MASS) in their 13F filings, up 14 from Q1 2025. 26 opened new positions and 12 sold out. The largest holders were AWM Investment Company, Inc. ($37.1M), ARK Investment Management ($18.9M) and State Street Corp. ($16.3M). 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 David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- 908 Devices Inc.
- CUSIP
- 65443P102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 26 | $18.8M |
| Exits | 12 | $1.0M |
All 13F filers, Q1 2025 → Q2 2025: 5,814,187 shares bought and 2,092,677 shares sold, net +3,721,510 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 101 holders
| AWM Investment Company, Inc. | 4.16% | No change | 5,199,924 | $37.1M |
| ARK Investment Management | 0.14% | Reduce -8.7% | 2,648,278 | $18.9M |
| State Street Corp. | 0.00% | Add +388.9% | 2,287,135 | $16.3M |
| BlackRock, Inc. | 0.00% | Add +2.5% | 1,790,845 | $12.8M |
| Vanguard Group Inc. | 0.00% | Add +5.1% | 1,431,115 | $10.2M |
| GM Advisory Group, LLC | 0.41% | New | 1,165,291 | $8.3M |
| First Light Asset Management, LLC | 0.99% | Reduce -37.2% | 1,067,613 | $7.6M |
| Geode Capital Management, LLC | 0.00% | Add +11.7% | 658,603 | $4.7M |
| Marshall Wace, LLP | 0.01% | Add +359.4% | 648,796 | $4.6M |
| Tao Capital Management LP | 2.97% | No change | 568,981 | $4.1M |
| Morgan Stanley | 0.00% | Add +4.3% | 554,245 | $4.0M |
| Essex Investment Management Co. LLC | 0.62% | Reduce -0.7% | 477,342 | $3.4M |
| Sumitomo Mitsui Trust Group, Inc. | 0.00% | Reduce -3.5% | 398,256 | $2.8M |
| Amova Asset Management Americas, Inc. | 0.03% | Reduce -4.4% | 394,375 | $2.8M |
| Bank of America Corp. | 0.00% | Add +221.7% | 363,217 | $2.6M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -5.5% | 363,007 | $2.6M |
| First Eagle Investment Management, LLC | 0.00% | New | 267,378 | $1.9M |
| Schonfeld Strategic Advisors LLC | 0.01% | New | 236,438 | $1.7M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +9.4% | 232,273 | $1.7M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | New | 212,514 | $1.5M |
| Northern Trust Corp. | 0.00% | Add +5.5% | 211,045 | $1.5M |
| Royal Bank of Canada | 0.00% | Add +5599.3% | 191,325 | $1.4M |
| Prescott Group Capital Management, L.L.C. | 0.16% | No change | 190,005 | $1.4M |
| D. E. Shaw & Co. | 0.00% | Reduce -45.2% | 186,215 | $1.3M |
| Renaissance Technologies | 0.00% | Add +20.4% | 174,100 | $1.2M |
| Needham Investment Management LLC | 0.09% | Reduce -25.0% | 150,000 | $1.1M |
| Legato Capital Management LLC | 0.12% | Reduce -0.3% | 142,055 | $1.0M |
| Campbell & CO Investment Adviser LLC | 0.05% | New | 108,689 | $775K |
| Parkman Healthcare Partners LLC | 0.08% | New | 100,000 | $713K |
| Nuveen, LLC | 0.00% | Reduce -6.5% | 99,988 | $713K |
| AQR Capital Management | 0.00% | Add +16.5% | 94,992 | $677K |
| Invesco Ltd. | 0.00% | Reduce -85.7% | 92,896 | $662K |
| Bank of Montreal | 0.00% | Add +0.8% | 90,959 | $649K |
| Millennium Management | 0.00% | New | 82,699 | $590K |
| LPL Financial LLC | 0.00% | Reduce -3.0% | 80,503 | $574K |
| Manatuck Hill Partners, LLC | 0.21% | New | 80,000 | $570K |
| Old Port Advisors | 0.14% | New | 73,629 | $525K |
| Informed Momentum Co LLC | 0.08% | New | 72,416 | $516K |
| Two Sigma Investments, LP | 0.00% | Add +1.5% | 70,994 | $506K |
| Meros Investment Management, LP | 0.24% | New | 69,470 | $495K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -7.2% | 69,279 | $494K |
| Bruce & Co., Inc. | 0.16% | No change | 68,286 | $487K |
| UBS Group AG | 0.00% | Add +66.3% | 61,726 | $440K |
| Bank of New York Mellon Corp | 0.00% | Add +10.7% | 57,444 | $410K |
| American Century Companies Inc. | 0.00% | Add +22.9% | 56,296 | $401K |
| Alliancebernstein L.P. | 0.00% | Add +35.5% | 55,790 | $398K |
| Barclays PLC | 0.00% | Add +107.0% | 49,756 | $355K |
| Jane Street Group, LLC | 0.00% | New | 47,850 | $341K |
| Susquehanna International Group, LLP | 0.00% | Reduce -35.4% | 42,461 | $303K |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 0.02% | Add +67.0% | 38,186 | $272K |
| Rhumbline Advisers | 0.00% | Add +5.5% | 36,416 | $260K |
| Bridgeway Capital Management, LLC | 0.01% | No change | 30,500 | $217K |
| Zacks Investment Management | 0.00% | Add +107.6% | 25,720 | $183K |
| SG Americas Securities, LLC | 0.00% | Add +17.7% | 23,864 | $170K |
| Concurrent Investment Advisors, LLC | 0.00% | No change | 23,470 | $167K |
| BNP Paribas Financial Markets | 0.00% | Reduce -12.1% | 21,290 | $152K |
| Deutsche Bank AG | 0.00% | Add +2.6% | 21,204 | $151K |
| 49 Wealth Management, LLC | 0.01% | Reduce -58.0% | 19,188 | $137K |
| Dynamic Technology Lab Private Ltd | 0.02% | New | 18,537 | $132K |
| MetLife Investment Management, LLC | 0.00% | New | 17,821 | $127K |
| Intech Investment Management LLC | 0.00% | New | 17,187 | $123K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +7.3% | 14,977 | $107K |
| Wells Fargo & Company | 0.00% | Add +6.7% | 14,951 | $107K |
| Quantinno Capital Management LP | 0.00% | New | 14,698 | $105K |
| JPMorgan Chase & Co. | 0.00% | Add +5.7% | 13,248 | $94K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 12,410 | $89K |
| Cresset Asset Management, LLC | 0.00% | Reduce -3.6% | 11,745 | $84K |
| Walleye Capital LLC | 0.00% | New | 11,504 | $82K |
| Catalyst Funds Management Pty Ltd | 0.02% | New | 11,400 | $81K |
| Citigroup Inc. | 0.00% | Reduce -37.6% | 10,904 | $78K |
| Manufacturers Life Insurance Company, The | 0.00% | New | 10,869 | $77K |
| FMR LLC | 0.00% | Add +71.8% | 10,777 | $77K |
| Daiwa Securities Group Inc. | 0.00% | New | 8,490 | $61K |
| New York State Common Retirement Fund | 0.00% | No change | 8,487 | $61K |
| Cwm, LLC | 0.00% | Add +13.1% | 7,875 | $56K |
| Raymond James Financial Inc. | 0.00% | New | 6,666 | $48K |
| ANTIPODES PARTNERS Ltd | 0.00% | Add +49.7% | 6,558 | $47K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 5,622 | $40K |
| Allworth Financial LP | 0.00% | Add +3.4% | 5,449 | $39K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -46.6% | 4,548 | $32K |
| Nisa Investment Advisors, LLC | 0.00% | Add +453.2% | 3,784 | $27K |
| Larson Financial Group LLC | 0.00% | Reduce -4.7% | 3,467 | $25K |
| Legal & General Group Plc | 0.00% | Add +60.2% | 2,918 | $21K |
| Ameritas Investment Partners, Inc. | 0.00% | Add +93.8% | 2,795 | $20K |
| Summit Securities Group LLC | 0.01% | New | 2,277 | $16K |
| California State Teachers Retirement System | 0.00% | No change | 1,720 | $12K |
| Signaturefd, LLC | 0.00% | No change | 1,447 | $10K |
| Versant Capital Management, Inc | 0.00% | Reduce -46.2% | 1,070 | $8K |
| Kozak & Associates, Inc. | 0.00% | New | 750 | $5K |
| Amalgamated Bank | 0.00% | No change | 766 | $5K |
| GAMMA Investing LLC | 0.00% | New | 584 | $4K |
| Arax Advisory Partners | 0.00% | New | 245 | $2K |
| PNC Financial Services Group, Inc. | 0.00% | Add +88.1% | 237 | $2K |
| Sterling Capital Management LLC | 0.00% | Reduce -40.1% | 224 | $2K |
| Essential Partners LLC | 0.00% | — | 218 | $2K |
| Rise Advisors, LLC | 0.00% | No change | 207 | $1K |
| SouthState Bank Corp | 0.00% | No change | 200 | $1K |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -63.6% | 176 | $1K |
| Osaic Holdings, Inc. | 0.00% | Reduce -50.0% | 125 | $891 |
| True Wealth Design, LLC | 0.00% | Add +37.5% | 44 | $314 |
| FNY Investment Advisers, LLC | 0.00% | Reduce -99.9% | 90 | $0 |
"% of holder's portfolio" is MASS's weight in each manager's 13F, not the share of 908 Devices Inc. the manager owns.