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 $252.2M 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
- 29.0M
- +1.34M (+4.9%) vs. Q1 2026
- Total value
- $252.2M
- +$83.0M (+49.0%) 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 | $252.2M |
| Q1 2026 | 112 | $171.0M |
| Q4 2025 | 118 | $137.3M |
| Q3 2025 | 107 | $214.8M |
| Q2 2025 | 102 | $174.9M |
| Q1 2025 | 87 | $92.3M |
| Q4 2024 | 81 | $36.9M |
| Q3 2024 | 86 | $64.9M |
| Q2 2024 | 90 | $100.5M |
| Q1 2024 | 75 | $157.1M |
| Q4 2023 | 79 | $248.0M |
| 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 | $490.7M |
| Q3 2021 | 86 | $522.0M |
| 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 |
|---|---|---|---|---|---|
| First Light Asset Management, LLC | 6,282,804 | $54.7M | 3.32% | +210,241+3.5% | Added |
| AWM Investment Company, Inc. | 4,879,773 | $42.5M | 3.68% | −320,151−6.2% | Reduced |
| ARK Investment Management LLCSuperinvestorARK Invest | 2,027,920 | $17.6M | 0.11% | +81,235+4.2% | Added |
| BlackRock, Inc. | 1,944,236 | $16.9M | 0.00% | +176,920+10.0% | Added |
| First Eagle Investment Management, LLC | 1,859,970 | $16.2M | 0.01% | +1,056,364+131.5% | Added |
| Needham Investment Management LLC | 1,820,620 | $15.8M | 0.48% | +580,620+46.8% | Added |
| Vanguard Capital Management LLC | 1,291,570 | $11.2M | 0.00% | +172,334+15.4% | Added |
| Geode Capital Management, LLC | 761,797 | $6.63M | 0.00% | +66,342+9.5% | Added |
| Granahan Investment Management Inc | 692,092 | $6.02M | 0.21% | −2,978−0.4% | Reduced |
| State Street Corp | 606,560 | $5.28M | 0.00% | −19,332−3.1% | Reduced |
| Essex Investment Management Co LLC | 470,244 | $4.09M | 0.54% | −20,977−4.3% | Reduced |
| Morgan Stanley | 404,078 | $3.52M | 0.00% | +30,820+8.3% | Added |
| Prescott Group Capital Management, L.L.C. | 361,595 | $3.15M | 0.27% | 00.0% | Unchanged |
| Meros Investment Management, LP | 361,368 | $3.14M | 1.00% | −370−0.1% | Reduced |
| American Century Companies Inc | 359,848 | $3.13M | 0.00% | +303,954+543.8% | Added |
| HighMark Wealth Management LLC | 339,783 | $2.96M | 0.99% | +20,433+6.4% | Added |
| Northern Trust Corp | 266,417 | $2.32M | 0.00% | +25,085+10.4% | Added |
| Bank of America Corp | 251,027 | $2.18M | 0.00% | +225,949+901.0% | Added |
| Charles Schwab Investment Management Inc | 233,892 | $2.03M | 0.00% | +4,403+1.9% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 228,681 | $1.99M | 0.00% | −41,192−15.3% | Reduced |
| Nikko Asset Management Americas, Inc. | 228,681 | $1.98M | 0.03% | −41,192−15.3% | Reduced |
| Vanguard Portfolio Management LLC | 194,858 | $1.70M | 0.00% | +31,164+19.0% | Added |
| Renaissance Technologies LLC | 191,900 | $1.67M | 0.00% | −38,300−16.6% | Reduced |
| Vanguard Fiduciary Trust Co | 186,056 | $1.62M | 0.00% | +5,806+3.2% | Added |
| Raymond James Financial Inc | 167,348 | $1.46M | 0.00% | −9,172−5.2% | Reduced |
| Legato Capital Management LLC | 158,119 | $1.38M | 0.11% | +4,669+3.0% | Added |
| Russell Investments Group, Ltd. | 149,655 | $1.30M | 0.00% | +4,326+3.0% | Added |
| Nuveen, LLC | 141,727 | $1.23M | 0.00% | +40,653+40.2% | Added |
| Dimensional Fund Advisors LP | 124,498 | $1.08M | 0.00% | +5,747+4.8% | Added |
| Campbell & CO Investment Adviser LLC | 111,190 | $967.4K | 0.05% | +81,534+274.9% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 110,557 | $961.8K | 0.00% | −21,909−16.5% | Reduced |
| Nano Cap New Millennium Growth Fund L P | 107,500 | $935.3K | 0.72% | −12,500−10.4% | Reduced |
| AQR Capital Management LLC | 103,909 | $904.0K | 0.00% | −497−0.5% | Reduced |
| Davy Global Fund Management Ltd | 98,689 | $858.6K | 0.05% | +8,920+9.9% | Added |
| Bank of Montreal | 87,346 | $759.9K | 0.00% | −290.0% | Reduced |
| SEI Investments Co | 77,719 | $676.2K | 0.00% | −87,175−52.9% | Reduced |
| UBS Group AG | 77,416 | $673.5K | 0.00% | −16,029−17.2% | Reduced |
| Goldman Sachs Group Inc | 76,230 | $663.2K | 0.00% | −34,982−31.5% | Reduced |
| D. E. Shaw & Co., Inc. | 75,446 | $656.4K | 0.00% | +75,446 | New |
| Bank of New York Mellon Corp | 72,758 | $633.0K | 0.00% | +13,717+23.2% | Added |
| Acadian Asset Management LLC | 70,374 | $609.0K | 0.00% | +70,374 | New |
| Bruce & Co., Inc. | 68,286 | $594.1K | 0.16% | 00.0% | Unchanged |
| Citadel Advisors LLC | 62,747 | $545.9K | 0.00% | −81,800−56.6% | Reduced |
| LPL Financial LLC | 55,451 | $482.4K | 0.00% | −12,338−18.2% | Reduced |
| Bridgeway Capital Management, LLC | 50,500 | $439.4K | 0.01% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 49,160 | $428.0K | 0.03% | −201,868−80.4% | Reduced |
| Old Port Advisors | 38,629 | $336.1K | 0.07% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 37,739 | $328.3K | 0.00% | −175,454−82.3% | Reduced |
| Rhumbline Advisers | 36,791 | $320.1K | 0.00% | +2,241+6.5% | Added |
| Quantinno Capital Management LP | 31,131 | $270.8K | 0.00% | +7,406+31.2% | Added |
| Deutsche Bank AG | 28,412 | $247.2K | 0.00% | +9,983+54.2% | Added |
| Alliancebernstein L.P. | 39,550 | $242.0K | 0.00% | +6,400+19.3% | Added |
| State of Wisconsin Investment Board | 27,170 | $236.4K | 0.00% | +972+3.7% | Added |
| Wells Fargo & Company | 24,372 | $212.0K | 0.00% | +13,892+132.6% | Added |
| Susquehanna International Group, LLP | 23,374 | $203.4K | 0.00% | −10,467−30.9% | Reduced |
| Brevan Howard Capital Management LP | 20,692 | $180.0K | 0.00% | +20,692 | New |
| Price T Rowe Associates Inc | 20,387 | $178.0K | 0.00% | +1,002+5.2% | Added |
| FMR LLC | 19,399 | $168.8K | 0.00% | +8,856+84.0% | Added |
| MetLife Investment Management | 17,292 | $150.4K | 0.00% | +270+1.6% | Added |
| Cresset Asset Management, LLC | 16,343 | $142.2K | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 14,960 | $130.2K | 0.00% | +832+5.9% | Added |
| Graham Capital Management, L.P. | 14,827 | $129.0K | 0.00% | +1,580+11.9% | Added |
| Pier 88 Investment Partners LLC | 14,200 | $123.5K | 0.03% | +14,200 | New |
| Magnetar Financial LLC | 13,815 | $120.2K | 0.00% | +13,815 | New |
| Citigroup Inc | 13,429 | $116.8K | 0.00% | +12,000+839.7% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 13,401 | $116.6K | 0.00% | +373+2.9% | Added |
| JPMorgan Chase & Co | 12,559 | $110.6K | 0.00% | +1,259+11.1% | Added |
| Advyzon Investment Management, LLC | 12,338 | $107.3K | 0.01% | +12,338 | New |
| Gainline Financial Partners, LLC | 12,338 | $107.3K | 0.10% | +12,338 | New |
| Occudo Quantitative Strategies LP | 12,256 | $106.6K | 0.01% | +12,256 | New |
| Concurrent Investment Advisors, LLC | 11,903 | $103.6K | 0.00% | 00.0% | Unchanged |
| PCM Encore, LLC | 11,830 | $102.9K | 0.02% | 00.0% | Unchanged |
| Jane Street Group, LLC | 11,445 | $99.6K | 0.00% | −2,856−20.0% | Reduced |
| Schonfeld Strategic Advisors LLC | 11,134 | $96.9K | 0.00% | +11,134 | New |
| Axq Capital, LP | 10,704 | $93.1K | 0.01% | +10,704 | New |
| Wealth Enhancement Advisory Services, LLC | 11,325 | $91.7K | 0.00% | +11,325 | New |
| Vanguard Global Advisers, LLC | 10,286 | $89.5K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 8,523 | $74.2K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 8,487 | $73.8K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 5,625 | $48.9K | 0.00% | +525+10.3% | Added |
| Barclays PLC | 5,106 | $44.4K | 0.00% | +128+2.6% | Added |
| BNP Paribas Arbitrage, SA | 4,362 | $37.9K | 0.00% | −1,583−26.6% | Reduced |
| Royal Bank of Canada | 4,175 | $37.0K | 0.00% | +3,757+898.8% | Added |
| Pinnacle Wealth Planning Services, Inc. | 4,180 | $36.4K | 0.00% | 00.0% | Unchanged |
| Antipodes Partners Ltd | 3,994 | $34.7K | 0.00% | −408−9.3% | Reduced |
| Allworth Financial LP | 3,373 | $29.3K | 0.00% | −1,976−36.9% | Reduced |
| Legal & General Group Plc | 3,049 | $26.5K | 0.00% | +557+22.4% | Added |
| Ameritas Investment Partners, Inc. | 2,795 | $24.3K | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 1,536 | $13.4K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 1,447 | $12.6K | 0.00% | −519−26.4% | Reduced |
| Tower Research Capital LLC (TRC) | 1,134 | $9.87K | 0.00% | −3,006−72.6% | Reduced |
| Versant Capital Management, Inc | 1,070 | $9.31K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 684 | $5.95K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 668 | $5.81K | 0.00% | +62+10.2% | Added |
| Parallel Advisors, LLC | 634 | $5.52K | 0.00% | −1,303−67.3% | Reduced |
| Sterling Capital Management LLC | 587 | $5.11K | 0.00% | +239+68.7% | Added |
| Federated Hermes, Inc. | 510 | $4.44K | 0.00% | +150+41.7% | Added |
| SRS Capital Advisors, Inc. | 405 | $3.52K | 0.00% | +405 | New |
| California State Teachers Retirement System | 389 | $3.38K | 0.00% | −1,093−73.8% | Reduced |
| Clear Street Markets LLC | 229 | $1.99K | 0.00% | +229 | New |