908 DEVICES INC MASS
COM · Common Stock · CUSIP 65443P102
- SectorTechnology
- IndustryLaboratory Analytical Instruments
- HeadquartersBurlington, MA
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($1.8m this quarter). Holder counts are more reliable. Shares outstanding: 34.8m as of 2024-11-07, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $3.48. Options: 3 managers hold calls ($53.9k notional), 4 hold puts ($82.9k).
Trends to Q3 2024
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 81 |
| Q4 2022 | 93 |
| Q1 2023 | 85 |
| Q2 2023 | 87 |
| Q3 2023 | 84 |
| Q4 2023 | 80 |
| Q1 2024 | 76 |
| Q2 2024 | 91 |
| Q3 2024 | 87 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 50 | 38 |
| Q1 2023 | 44 | 44 |
| Q2 2023 | 38 | 44 |
| Q3 2023 | 38 | 35 |
| Q4 2023 | 42 | 29 |
| Q1 2024 | 29 | 40 |
| Q2 2024 | 53 | 38 |
| Q3 2024 | 44 | 40 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q4 2023 | $545.2k | $421.6k | 0.77 |
| Q1 2024 | $348.9k | $308.7k | 0.88 |
| Q2 2024 | $89.4k | $31.9k | 0.36 |
| Q3 2024 | $53.9k | $82.9k | 1.54 |
Biggest buyers
| AWM Investment Company, Inc. | Added | +562.9k |
| DIMENSIONAL FUND ADVISORS LP | Added | +151.9k |
| RENAISSANCE TECHNOLOGIES LLC | Added | +126.9k |
| Nuveen Asset Management, LLC | Added | +97.4k |
| MORGAN STANLEY | Added | +65.3k |
| Connor, Clark & Lunn Investment Management Ltd. | New | +54.8k |
| GOLDMAN SACHS GROUP INC | Added | +51.9k |
| NEEDHAM INVESTMENT MANAGEMENT LLC | Added | +50.0k |
| CITADEL ADVISORS LLC | Added | +47.9k |
| AJOVista, LLC | New | +43.3k |
Biggest sellers
| Iron Triangle Partners LP | Sold out | -728.9k |
| ARK Investment Management LLC | Reduced | -718.1k |
| MILLENNIUM MANAGEMENT LLC | Reduced | -486.8k |
| FRED ALGER MANAGEMENT, LLC | Reduced | -185.8k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Sold out | -70.5k |
| Granahan Investment Management, LLC | Reduced | -58.2k |
| Eisler Capital (US) LLC | Sold out | -56.4k |
| Cubist Systematic Strategies, LLC | Reduced | -49.7k |
| Squarepoint Ops LLC | Sold out | -48.6k |
| MARSHALL WACE, LLP | Sold out | -44.4k |
Biggest calls
| CITADEL ADVISORS LLC | Added | $48.9k14.1k shares |
| SIMPLEX TRADING, LLC | Unchanged | $5.0k1.7k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| CITADEL ADVISORS LLC | Added | $76.3k22.0k shares |
| GROUP ONE TRADING LLC | Unchanged | $4.5k1.3k shares |
| SIMPLEX TRADING, LLC | Added | $2.0k600 shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| First Light Asset Management, LLC 13G · institution +4.2 pts · filed 2026-02-17 | 17.1% |
| ARCH Venture Fund VII, L.P. 13G · exempt (held before listing) -1.2 pts · filed 2026-08-14 | 14.1% |
| AWM Investment Company, Inc. 13G · institution -2.9 pts · filed 2026-08-14 | 11.8% |
| ARK Investment Management LLC 13G · institution +0.4 pts · filed 2026-08-14 | 5.3% |
Fell to 5% or below in the last year: BlackRock, Inc. (4.9%, 2026-10-27), STATE STREET CORP (1.6%, 2026-02-09)
Insider purchases and sales in Q3 2024
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2022 | 1 | $24.9k | 1 | $673.2k | — |
| Q1 2023 | 0 | — | 5 | $885.2k | — |
| Q2 2023 | 0 | — | 2 | $752.2k | $752.2k |
| Q3 2023 | 0 | — | 0 | — | — |
| Q4 2023 | 0 | — | 2 | $305.1k | — |
| Q1 2024 | 0 | — | 4 | $236.5k | — |
| Q2 2024 | 1 | $293.4k | 0 | — | — |
| Q3 2024 | 0 | — | 0 | — | — |
None reported in Q3 2024.
Holders, Q3 2024
| Manager | Shares | Change |
|---|---|---|
| ARK Investment Management LLC 0.10% of their portfolio | 3.2m $11.2m | Reduced -718.1k |
| BlackRock, Inc. 0.00% of their portfolio | 1.9m $6.5m | First filing |
| VANGUARD GROUP INC 0.00% of their portfolio | 1.9m $6.5m | Added +35.0k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 1.8m $6.4m | Reduced -39.7k |
| AWM Investment Company, Inc. 0.66% of their portfolio | 1.6m $5.5m | Added +562.9k |
| Granahan Investment Management, LLC 0.12% of their portfolio | 861.4k $3.0m | Reduced -58.2k |
| FRED ALGER MANAGEMENT, LLC 0.01% of their portfolio | 820.4k $2.8m | Reduced -185.8k |
| Tao Capital Management LP 1.79% of their portfolio | 569.0k $2.0m | Unchanged |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 567.8k $2.0m | Added +6.6k |
| Sumitomo Mitsui Trust Group, Inc. 0.00% of their portfolio | 495.2k $1.7m | Reduced -580 |
| Amova Asset Management Americas, Inc. 0.02% of their portfolio | 495.2k $1.7m | Reduced -580 |
| STATE STREET CORP 0.00% of their portfolio | 479.0k $1.7m | Added +5.7k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 397.0k $1.4m | Added +151.9k |
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 322.4k $1.1m | Added +126.9k |
| PLATINUM INVESTMENT MANAGEMENT LTD 0.04% of their portfolio | 257.4k $893.3k | Reduced -16.6k |
| Sands Capital Alternatives, LLC 0.23% of their portfolio | 237.3k $823.3k | Unchanged |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 220.5k $765.1k | Added +28.0k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 217.1k $753.4k | Added +47.9k |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 204.4k $709.2k | Added +97.4k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 186.7k $647.8k | Added +4.2k |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 152.1k $527.6k | Added +38.5k |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 131.5k $456.4k | Reduced -486.8k |
| ClariVest Asset Management LLC 0.07% of their portfolio | 129.8k $668.4k | Unchanged |
| MORGAN STANLEY 0.00% of their portfolio | 104.0k $360.8k | Added +65.3k |
| NEEDHAM INVESTMENT MANAGEMENT LLC 0.03% of their portfolio | 100.0k $347.0k | Added +50.0k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.00% of their portfolio | 97.8k $339.3k | Reduced -4.3k |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 85.5k $296.7k | Added +10.0k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 83.1k $288.4k | Added +51.9k |
| Bruce & Co., Inc. 0.07% of their portfolio | 68.3k $237.0k | Unchanged |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 57.6k $199.9k | Added +41.9k |
| LPL Financial LLC 0.00% of their portfolio | 56.0k $194.3k | Added +2.4k |
| Connor, Clark & Lunn Investment Management Ltd. 0.00% of their portfolio | 54.8k $190.2k | New |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 52.0k $180.6k | Reduced -34.4k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 49.9k $173.3k | Reduced -19.6k |
| BARCLAYS PLC 0.00% of their portfolio | 46.2k $160.4k | Added +37.9k |
| AJOVista, LLC 0.64% of their portfolio | 43.3k $150.3k | New |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 41.4k $143.8k | Added +7.7k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 41.2k $142.9k | Added +1.7k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 34.7k $120.6k | Reduced -3.0k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 32.6k $113.0k | Added +7.7k |
| 49 WEALTH MANAGEMENT, LLC 0.02% of their portfolio | 31.1k $107.9k | Added +4.3k |
| ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio | 29.7k $103.1k | Added +1.3k |
| Thrivent Financial for Lutherans 0.00% of their portfolio | 23.5k $81.0k | Unchanged |
| SHERBROOKE PARK ADVISERS LLC 0.02% of their portfolio | 23.2k $80.5k | Added +9.8k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 21.9k $75.9k | Added +612 |
| CITIGROUP INC 0.00% of their portfolio | 20.7k $71.7k | Added +15.3k |
| PRIMECAP MANAGEMENT CO/CA/ 0.00% of their portfolio | 20.0k $69.4k | Reduced -4.8k |
| Arete Wealth Advisors, LLC 0.01% of their portfolio | 19.5k $68.0k | Reduced -15.2k |
| Petrus Trust Company, LTA 0.01% of their portfolio | 16.8k $58.3k | Reduced -2.0k |
| HSBC HOLDINGS PLC 0.00% of their portfolio | 15.9k $55.2k | New |
| TOWNSQUARE CAPITAL LLC 0.00% of their portfolio | 14.3k $49.8k | New |
| DRIVE WEALTH MANAGEMENT, LLC 0.01% of their portfolio | 14.3k $49.8k | New |
| ExodusPoint Capital Management, LP 0.00% of their portfolio | 14.0k $49.0k | New |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.00% of their portfolio | 13.5k $46.8k | Unchanged |
| B. Riley Wealth Advisors, Inc. 0.00% of their portfolio | 13.0k $45.1k | New |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 12.8k $44.3k | Added +9.0k |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 12.7k $44.2k | Added +1.3k |
| Corebridge Financial, Inc. 0.00% of their portfolio | 12.7k $44.0k | Reduced -78 |
| Cresset Asset Management, LLC 0.00% of their portfolio | 11.7k $40.8k | Reduced -2.5k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 11.7k $40.7k | Reduced -68 |
| US BANCORP \DE\ 0.00% of their portfolio | 10.8k $37.5k | Added +64 |
| Cubist Systematic Strategies, LLC 0.00% of their portfolio | 10.7k $37.2k | Reduced -49.7k |
| SG Americas Securities, LLC 0.00% of their portfolio | 10.3k $36.0k | New |
| UBS Group AG 0.00% of their portfolio | 8.6k $30.0k | Reduced -1.3k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 8.5k $29.4k | Unchanged |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 7.9k $27.3k | Unchanged |
| Allworth Financial LP 0.00% of their portfolio | 5.3k $18.3k | Unchanged |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.00% of their portfolio | 3.7k $12.8k | Unchanged |
| Daiwa Securities Group Inc. 0.00% of their portfolio | 3.4k $12.0k | Reduced -338 |
| SIGNATUREFD, LLC 0.00% of their portfolio | 2.6k $9.0k | Added +100 |
| HM PAYSON & CO 0.00% of their portfolio | 2.5k $8.7k | Added +500 |
| Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio | 2.3k $8.1k | Reduced -800 |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 2.1k $7.0k | Reduced -104 |
| Legal & General Group Plc 0.00% of their portfolio | 1.8k $6.3k | Unchanged |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 1.7k $6.0k | Unchanged |
| Ameritas Investment Partners, Inc. 0.00% of their portfolio | 1.4k $5.0k | Unchanged |
| FMR LLC 0.00% of their portfolio | 1.4k $5.0k | Added +557 |
| Point72 (DIFC) Ltd 0.00% of their portfolio | 1.2k $4.1k | Added +945 |
| AMALGAMATED BANK 0.00% of their portfolio | 766 $3.0k | Unchanged |
| SIMPLEX TRADING, LLC 0.00% of their portfolio | 369 $1.0k | New |
| GPS Wealth Strategies Group, LLC 0.00% of their portfolio | 200 $694 | Unchanged |
| CWM, LLC 0.00% of their portfolio | 192 $1.0k | Added +158 |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 130 $451 | Reduced -5 |
| Sterling Capital Management LLC 0.00% of their portfolio | 69 $239 | First filing |
| NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio | 28 $97 | Reduced -4 |
| Point72 Asia (Singapore) Pte. Ltd. 0.00% of their portfolio | 1 $3 | New |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0.00% of their portfolio | 0 $0 | Unchanged |