908 Devices Inc. - MASS
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| First Light Asset Management, LLC | History | Added to | 6,072,563 | 37,164 | 3.33% | 1.94% | 1 | +1,236,377 | 25.57% | Q1 2026 | May 15, 2026 |
| AWM Investment Company, Inc. | History | No change | 5,199,924 | 31,823 | 3.52% | 2.64% | 2 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| ARK Investment Management LLC | History | Reduced | 1,946,685 | 11,913 | 0.09% | 0.07% | 3 | -39,301 | -1.98% | Q1 2026 | May 12, 2026 |
| BlackRock, Inc. | History | Reduced | 1,767,316 | 10,815 | 0.0% | 0.0% | 4 | -34,456 | -1.91% | Q1 2026 | May 13, 2026 |
| VANGUARD GROUP INC | History | No change | 1,470,864 | 7,722 | 0.0% | 0.0% | 5 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| NEEDHAM INVESTMENT MANAGEMENT LLC | History | Added to | 1,240,000 | 7,588 | 0.39% | 0.26% | 6 | +470,000 | 61.04% | Q1 2026 | May 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 1,119,236 | 6,849 | 0.0% | — | 7 | +1,119,236 | New | Q1 2026 | May 15, 2026 |
| First Eagle Investment Management, LLC | History | Added to | 803,606 | 4,918 | 0.01% | 0.01% | 8 | +179,723 | 28.81% | Q1 2026 | May 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 695,455 | 4,257 | 0.0% | 0.0% | 9 | +6,889 | 1.0% | Q1 2026 | May 15, 2026 |
| Granahan Investment Management, LLC | History | Added to | 695,070 | 4,253 | 0.21% | 0.02% | 10 | +603,929 | 662.63% | Q1 2026 | May 15, 2026 |
| STATE STREET CORP | History | Added to | 625,892 | 3,830 | 0.0% | 0.0% | 11 | +29,598 | 4.96% | Q1 2026 | May 15, 2026 |
| Tao Capital Management LP | History | No change | 568,981 | 3,482 | 2.93% | 2.57% | 12 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| ESSEX INVESTMENT MANAGEMENT CO LLC | History | Added to | 491,221 | 3,006 | 0.48% | 0.39% | 13 | +8,607 | 1.78% | Q1 2026 | May 11, 2026 |
| MORGAN STANLEY | History | Reduced | 373,258 | 2,284 | 0.0% | 0.0% | 14 | -67,228 | -15.26% | Q1 2026 | May 15, 2026 |
| Meros Investment Management, LP | History | Added to | 361,738 | 2,213 | 0.96% | 0.72% | 15 | +14,703 | 4.24% | Q1 2026 | May 14, 2026 |
| PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | History | No change | 361,595 | 2,212 | 0.22% | 0.18% | 16 | 0 | 0.0% | Q1 2026 | May 07, 2026 |
| HighMark Wealth Management LLC | History | Added to | 319,350 | 1,954 | 0.8% | 0.52% | 17 | +78,350 | 32.51% | Q1 2026 | May 05, 2026 |
| Sumitomo Mitsui Trust Group, Inc. | History | Reduced | 269,873 | 1,651 | 0.0% | 0.0% | 18 | -18,208 | -6.32% | Q1 2026 | Apr 30, 2026 |
| Amova Asset Management Americas, Inc. | History | Reduced | 269,873 | 1,651 | 0.02% | 0.02% | 19 | -18,208 | -6.32% | Q1 2026 | May 07, 2026 |
| GSA CAPITAL PARTNERS LLP | History | Added to | 251,028 | 1,536 | 0.1% | 0.06% | 20 | +128,891 | 105.53% | Q1 2026 | May 08, 2026 |
| NORTHERN TRUST CORP | History | Added to | 241,332 | 1,476 | 0.0% | 0.0% | 21 | +11,038 | 4.79% | Q1 2026 | May 14, 2026 |
| GM Advisory Group, LLC | History | Reduced | 238,218 | 1,457 | 0.06% | 0.06% | 22 | -40,574 | -14.55% | Q1 2026 | Apr 28, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Added to | 230,200 | 1,408 | 0.0% | 0.0% | 23 | +8,100 | 3.65% | Q1 2026 | May 14, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | Reduced | 229,489 | 1,404 | 0.0% | 0.0% | 24 | -11,440 | -4.75% | Q1 2026 | May 15, 2026 |
| Squarepoint Ops LLC | History | Reduced | 213,193 | 1,304 | 0.0% | 0.0% | 25 | -5,483 | -2.51% | Q1 2026 | May 15, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 180,250 | 1,103 | 0.0% | — | 26 | +180,250 | New | Q1 2026 | May 08, 2026 |
| RAYMOND JAMES FINANCIAL INC | History | Reduced | 176,520 | 1,080 | 0.0% | 0.0% | 27 | -1,747 | -0.98% | Q1 2026 | May 14, 2026 |
| SEI INVESTMENTS CO | History | Added to | 164,894 | 1,009 | 0.0% | 0.0% | 28 | +82,934 | 101.19% | Q1 2026 | May 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | History | New | 163,694 | 1,001 | 0.0% | — | 29 | +163,694 | New | Q1 2026 | May 08, 2026 |
| Legato Capital Management LLC | History | Reduced | 153,450 | 939 | 0.09% | 0.07% | 30 | -2,144 | -1.38% | Q1 2026 | May 14, 2026 |
| Russell Investments Group, Ltd. | History | Added to | 145,329 | 889 | 0.0% | 0.0% | 31 | +143,061 | 6307.8% | Q1 2026 | May 08, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 144,547 | 884 | 0.0% | 0.0% | 32 | -142,426 | -49.63% | Q1 2026 | May 15, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Reduced | 142,422 | 871 | 0.0% | 0.0% | 33 | -15,681 | -9.92% | Q1 2026 | May 15, 2026 |
| Mitsubishi UFJ Asset Management Co., Ltd. | History | Reduced | 132,466 | 810 | 0.0% | 0.0% | 34 | -8,037 | -5.72% | Q1 2026 | May 12, 2026 |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P | History | No change | 120,000 | 734 | 0.69% | 0.54% | 35 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Reduced | 118,751 | 725 | 0.0% | 0.0% | 36 | -127,863 | -51.85% | Q1 2026 | May 07, 2026 |
| GOLDMAN SACHS GROUP INC | History | Reduced | 111,212 | 680 | 0.0% | 0.0% | 37 | -88,074 | -44.19% | Q1 2026 | May 15, 2026 |
| AQR CAPITAL MANAGEMENT LLC | History | Reduced | 104,406 | 638 | 0.0% | 0.0% | 38 | -400 | -0.38% | Q1 2026 | May 15, 2026 |
| Nuveen, LLC | History | Added to | 101,074 | 618 | 0.0% | 0.0% | 39 | +1,086 | 1.09% | Q1 2026 | Apr 30, 2026 |
| UBS Group AG | History | Reduced | 93,445 | 571 | 0.0% | 0.0% | 40 | -19,209 | -17.05% | Q1 2026 | May 05, 2026 |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | History | Added to | 89,769 | 549 | 0.04% | 0.03% | 41 | +11,743 | 15.05% | Q1 2026 | May 11, 2026 |
| BANK OF MONTREAL /CAN/ | History | Reduced | 87,375 | 534 | 0.0% | 0.0% | 42 | -3,477 | -3.83% | Q1 2026 | May 13, 2026 |
| Trexquant Investment LP | History | New | 73,194 | 447 | 0.0% | — | 43 | +73,194 | New | Q1 2026 | May 15, 2026 |
| Cassaday & Co Wealth Management LLC | History | No change | 71,629 | 438 | 0.01% | 0.01% | 44 | 0 | 0.0% | Q1 2026 | May 07, 2026 |
| Bruce & Co., Inc. | History | No change | 68,286 | 417 | 0.12% | 0.11% | 45 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| LPL Financial LLC | History | Reduced | 67,789 | 414 | 0.0% | 0.0% | 46 | -772 | -1.13% | Q1 2026 | May 06, 2026 |
| Bank of New York Mellon Corp | History | Reduced | 59,041 | 361 | 0.0% | 0.0% | 47 | -1,981 | -3.25% | Q1 2026 | May 05, 2026 |
| AMERICAN CENTURY COMPANIES INC | History | No change | 55,894 | 342 | 0.0% | 0.0% | 48 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | No change | 50,500 | 309 | 0.01% | 0.01% | 49 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Brooklyn Investment Group | History | New | 46,259 | 283 | 0.01% | — | 50 | +46,259 | New | Q1 2026 | Apr 29, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Reduced | 44,127 | 270 | 0.0% | 0.0% | 51 | -28,200 | -38.99% | Q1 2026 | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 44,041 | 269 | 0.0% | 0.0% | 52 | +7,018 | 18.96% | Q1 2026 | May 15, 2026 |
| XTX Topco Ltd | History | Added to | 41,365 | 253 | 0.0% | 0.0% | 53 | +21,513 | 108.37% | Q1 2026 | May 15, 2026 |
| Old Port Advisors | History | No change | 38,629 | 236 | 0.05% | 0.05% | 54 | 0 | 0.0% | Q1 2026 | Apr 06, 2026 |
| RHUMBLINE ADVISERS | History | Reduced | 34,550 | 211 | 0.0% | 0.0% | 55 | -223 | -0.64% | Q1 2026 | May 12, 2026 |
| Campbell & CO Investment Adviser LLC | History | Reduced | 29,656 | 181 | 0.01% | 0.02% | 56 | -50,897 | -63.18% | Q1 2026 | May 15, 2026 |
| ALLIANCEBERNSTEIN L.P. | History | Reduced | 33,150 | 174 | 0.0% | 0.0% | 57 | -8,400 | -20.22% | Q1 2026 | May 15, 2026 |
| STATE OF WISCONSIN INVESTMENT BOARD | History | Reduced | 26,198 | 160 | 0.0% | 0.0% | 58 | -6,096 | -18.88% | Q1 2026 | May 15, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Reduced | 25,078 | 153 | 0.0% | 0.0% | 59 | -1,263 | -4.79% | Q1 2026 | May 15, 2026 |
| Quantinno Capital Management LP | History | Added to | 23,725 | 145 | 0.0% | 0.0% | 60 | +499 | 2.15% | Q1 2026 | May 15, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | History | Added to | 19,385 | 119 | 0.0% | 0.0% | 61 | +5,558 | 40.2% | Q1 2026 | May 15, 2026 |
| DEUTSCHE BANK AG\ | History | No change | 18,429 | 112 | 0.0% | 0.0% | 62 | 0 | 0.0% | Q1 2026 | May 06, 2026 |
| MetLife Investment Management, LLC | History | Added to | 17,022 | 104 | 0.0% | 0.0% | 63 | +6,074 | 55.48% | Q1 2026 | May 14, 2026 |
| 49 WEALTH MANAGEMENT, LLC | History | Reduced | 17,101 | 104 | 0.01% | 0.01% | 64 | -480 | -2.73% | Q1 2026 | May 13, 2026 |
| Cresset Asset Management, LLC | History | Reduced | 16,343 | 100 | 0.0% | 0.0% | 65 | -10,000 | -37.96% | Q1 2026 | May 15, 2026 |
| JANE STREET GROUP, LLC | History | Reduced | 14,301 | 87 | 0.0% | 0.0% | 66 | -22,494 | -61.13% | Q1 2026 | May 12, 2026 |
| Invesco Ltd. | History | Reduced | 14,128 | 86 | 0.0% | 0.0% | 67 | -300 | -2.08% | Q1 2026 | May 12, 2026 |
| Dynamic Technology Lab Private Ltd | History | New | 13,898 | 85 | 0.01% | — | 68 | +13,898 | New | Q1 2026 | May 15, 2026 |
| Graham Capital Management, L.P. | History | Reduced | 13,247 | 81 | 0.0% | 0.0% | 69 | -7,540 | -36.27% | Q1 2026 | May 15, 2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | History | Added to | 13,028 | 79 | 0.0% | 0.0% | 70 | +306 | 2.41% | Q1 2026 | May 15, 2026 |
| Concurrent Investment Advisors, LLC | History | Added to | 11,903 | 72 | 0.0% | 0.0% | 71 | +158 | 1.35% | Q1 2026 | Apr 20, 2026 |
| PCM Encore, LLC | History | No change | 11,830 | 72 | 0.01% | 0.01% | 72 | 0 | 0.0% | Q1 2026 | May 12, 2026 |
| WELLS FARGO & COMPANY/MN | History | Reduced | 10,480 | 64 | 0.0% | 0.0% | 74 | -20,143 | -65.78% | Q1 2026 | May 11, 2026 |
| JPMORGAN CHASE & CO | History | Added to | 11,300 | 64 | 0.0% | 0.0% | 73 | +307 | 2.79% | Q1 2026 | May 13, 2026 |
| FMR LLC | History | Reduced | 10,543 | 64 | 0.0% | 0.0% | 75 | -8 | -0.08% | Q1 2026 | May 15, 2026 |
| Vanguard Global Advisers, LLC | History | New | 10,286 | 62 | 0.0% | — | 76 | +10,286 | New | Q1 2026 | May 08, 2026 |
| Intelligence Driven Advisers, LLC | History | New | 10,000 | 61 | 0.01% | — | 77 | +10,000 | New | Q1 2026 | May 15, 2026 |
| Police & Firemen's Retirement System of New Jersey | History | No change | 8,523 | 52 | 0.0% | 0.0% | 78 | 0 | 0.0% | Q1 2026 | Apr 29, 2026 |
| NEW YORK STATE COMMON RETIREMENT FUND | History | No change | 8,487 | 51 | 0.0% | 0.0% | 79 | 0 | 0.0% | Q1 2026 | May 06, 2026 |
| CWM, LLC | History | Reduced | 6,594 | 40 | 0.0% | 0.0% | 80 | -200 | -2.94% | Q1 2026 | May 14, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Reduced | 5,945 | 36 | 0.0% | 0.0% | 81 | -1,612 | -21.33% | Q1 2026 | May 12, 2026 |
| Allworth Financial LP | History | No change | 5,349 | 32 | 0.0% | 0.0% | 82 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| OSAIC HOLDINGS, INC. | History | Added to | 5,100 | 31 | 0.0% | — | 83 | +4,975 | 3980.0% | Q1 2026 | May 15, 2026 |
| BARCLAYS PLC | History | Reduced | 4,978 | 30 | 0.0% | 0.0% | 84 | -39,550 | -88.82% | Q1 2026 | May 14, 2026 |
| ANTIPODES PARTNERS Ltd | History | Reduced | 4,402 | 26 | 0.0% | 0.0% | 85 | -692 | -13.58% | Q1 2026 | May 05, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 4,140 | 25 | 0.0% | 0.0% | 86 | +2,225 | 116.19% | Q1 2026 | May 15, 2026 |
| Pinnacle Wealth Planning Services, Inc. | History | Reduced | 4,180 | 25 | 0.0% | 0.0% | 87 | -178 | -4.08% | Q1 2026 | May 11, 2026 |
| Ameritas Investment Partners, Inc. | History | No change | 2,795 | 17 | 0.0% | 0.0% | 88 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| Legal & General Group Plc | History | Reduced | 2,492 | 15 | 0.0% | 0.0% | 89 | -242 | -8.85% | Q1 2026 | May 08, 2026 |
| SIGNATUREFD, LLC | History | No change | 1,966 | 12 | 0.0% | 0.0% | 90 | 0 | 0.0% | Q1 2026 | Apr 07, 2026 |
| Parallel Advisors, LLC | History | New | 1,937 | 11 | 0.0% | — | 91 | +1,937 | New | Q1 2026 | May 07, 2026 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | History | Added to | 1,536 | 9 | 0.0% | — | 92 | +1,379 | 878.34% | Q1 2026 | May 13, 2026 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | History | Reduced | 1,482 | 9 | 0.0% | 0.0% | 93 | -204 | -12.1% | Q1 2026 | May 15, 2026 |
| CITIGROUP INC | History | Added to | 1,429 | 8 | 0.0% | 0.0% | 94 | +809 | 130.48% | Q1 2026 | May 11, 2026 |
| Versant Capital Management, Inc | History | No change | 1,070 | 6 | 0.0% | 0.0% | 95 | 0 | 0.0% | Q1 2026 | Apr 06, 2026 |
| NISA INVESTMENT ADVISORS, LLC | History | No change | 684 | 4 | 0.0% | 0.0% | 96 | 0 | 0.0% | Q1 2026 | Apr 30, 2026 |
| GAMMA Investing LLC | History | Added to | 606 | 3 | 0.0% | 0.0% | 97 | +133 | 28.12% | Q1 2026 | Apr 06, 2026 |
| Farther Finance Advisors, LLC | History | New | 393 | 2 | 0.0% | — | 101 | +393 | New | Q1 2026 | Apr 07, 2026 |
| ROYAL BANK OF CANADA | History | Reduced | 418 | 2 | 0.0% | 0.0% | 98 | -363 | -46.48% | Q1 2026 | May 15, 2026 |
| Sterling Capital Management LLC | History | Reduced | 348 | 2 | 0.0% | 0.0% | 100 | -230 | -39.79% | Q1 2026 | Apr 22, 2026 |
| FEDERATED HERMES, INC. | History | No change | 360 | 2 | 0.0% | 0.0% | 99 | 0 | 0.0% | Q1 2026 | May 11, 2026 |
| Optiver Holding B.V. | History | Reduced | 282 | 1 | 0.0% | 0.0% | 103 | -184 | -39.48% | Q1 2026 | May 15, 2026 |
| GROUP ONE TRADING LLC | History | Added to | 202 | 1 | 0.0% | — | 102 | +70 | 53.03% | Q1 2026 | May 13, 2026 |
| Essential Partners LLC | History | No change | 218 | 1 | 0.0% | 0.0% | 104 | 0 | 0.0% | Q1 2026 | May 21, 2026 |
| MARSHALL WACE, LLP | History | Closed out | 0 | 0 | — | 0.0% | — | -190,635 | -100.0% | Q1 2026 | May 14, 2026 |
| HRT FINANCIAL LP | History | Closed out | 0 | 0 | — | 0.0% | — | -154,830 | -100.0% | Q1 2026 | May 14, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -81,862 | -100.0% | Q1 2026 | May 13, 2026 |
| Point72 Asset Management, L.P. | History | Closed out | 0 | 0 | — | 0.0% | — | -55,945 | -100.0% | Q1 2026 | May 15, 2026 |
| STRS OHIO | History | Closed out | 0 | 0 | — | 0.0% | — | -29,700 | -100.0% | Q1 2026 | Apr 24, 2026 |
| AXQ CAPITAL, LP | History | Closed out | 0 | 0 | — | 0.03% | — | -28,125 | -100.0% | Q1 2026 | May 13, 2026 |
| Engineers Gate Manager LP | History | Closed out | 0 | 0 | — | 0.0% | — | -26,681 | -100.0% | Q1 2026 | May 15, 2026 |
| OPAL CAPITAL LLC | History | Closed out | 0 | 0 | — | 0.03% | — | -17,581 | -100.0% | Q1 2026 | May 15, 2026 |
| INTECH INVESTMENT MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -11,515 | -100.0% | Q1 2026 | May 08, 2026 |
| Daiwa Securities Group Inc. | History | Closed out | 0 | 0 | — | 0.0% | — | -6,750 | -100.0% | Q1 2026 | May 13, 2026 |
| State of Wyoming | History | Closed out | 0 | 0 | — | 0.0% | — | -3,544 | -100.0% | Q1 2026 | May 13, 2026 |
| AMALGAMATED BANK | History | Closed out | 0 | 0 | — | 0.0% | — | -860 | -100.0% | Q1 2026 | May 08, 2026 |
| FLAGSHIP HARBOR ADVISORS, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -500 | -100.0% | Q1 2026 | Apr 28, 2026 |
| Quarry LP | History | Closed out | 0 | 0 | — | 0.0% | — | -197 | -100.0% | Q1 2026 | May 15, 2026 |
| Arax Advisory Partners | History | Closed out | 0 | 0 | — | — | — | -114 | -100.0% | Q1 2026 | May 13, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | Reduced | 100 | 0 | — | — | — | -69 | -40.83% | Q1 2026 | May 15, 2026 |
| Caitong International Asset Management Co., Ltd | History | Reduced | 4 | 0 | — | — | — | -38 | -90.48% | Q1 2026 | May 11, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | Added to | 156 | 0 | — | — | — | +19 | 13.87% | Q1 2026 | May 08, 2026 |
| Advocate Investing Services LLC | History | Closed out | 0 | 0 | — | — | — | -18 | -100.0% | Q1 2026 | Apr 22, 2026 |
| EverSource Wealth Advisors, LLC | History | Added to | 130 | 0 | — | — | — | +10 | 8.33% | Q1 2026 | May 15, 2026 |
| True Wealth Design, LLC | History | Reduced | 29 | 0 | — | — | — | -5 | -14.71% | Q1 2026 | Apr 13, 2026 |
| SBI Securities Co., Ltd. | History | New | 3 | 0 | — | — | — | +3 | New | Q1 2026 | Apr 27, 2026 |
| Sunbelt Securities, Inc. | History | No change | 22 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| FNY Investment Advisers, LLC | History | No change | 50 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | Apr 15, 2026 |
| Cornerstone Financial Management LLC | History | No change | 129 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 08, 2026 |