908 DEVICES INC MASS
$8.69
-2.1% 52w: $5.09 – $9.15
Latest 13F among current holders filed 32 days ago (Jun 3, 2026)
Price — last 12 months
research preview data5.097.129.15
Jun 20, 2025 Jul 2, 2026
Institutional holders
112
-6 QoQ
13F value
$171.0M
+24.5% QoQ
Smart-money holders
8
signal tier ≥ 2
New smart buyers
0
Q1 2026
Options barometer
puts only
— calls / $62K puts
Institutional value by quarter
Number of holders
Who owns MASS?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| First Light Asset Management, LLC ★3 | Fundamental concentrated | 6.1M | $37.2M | 3.3% | +25.6% |
| AWM Investment Company, Inc. ★2 | Fundamental diversified | 5.2M | $31.8M | 3.5% | Held |
| ARK Investment Management LLC ★2 | Long only active | 1.9M | $11.9M | 0.1% | -2.0% |
| BlackRock, Inc. | Index provider | 1.8M | $10.8M | 0.0% | -1.9% |
| NEEDHAM INVESTMENT MANAGEMENT LLC | Other | 1.2M | $7.6M | 0.4% | +61.0% |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 1.1M | $6.8M | 0.0% | — |
| First Eagle Investment Management, LLC | Other | 803.6K | $4.9M | 0.0% | +28.8% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 695.5K | $4.3M | 0.0% | +1.0% |
| Granahan Investment Management, LLC | Other | 695.1K | $4.3M | 0.2% | +662.6% |
| STATE STREET CORP | Index provider | 625.9K | $3.8M | 0.0% | +5.0% |
| Tao Capital Management LP ★3 | Fundamental concentrated | 569.0K | $3.5M | 2.9% | Held |
| ESSEX INVESTMENT MANAGEMENT CO LLC | Other | 491.2K | $3.0M | 0.5% | +1.8% |
| MORGAN STANLEY | Bank broker | 373.3K | $2.3M | 0.0% | -15.3% |
| Meros Investment Management, LP ★2 | Fundamental diversified | 361.7K | $2.2M | 1.0% | +4.2% |
| Prescott Group Capital Management, L.L.C. | Other | 361.6K | $2.2M | 0.2% | Held |
| HighMark Wealth Management LLC | Wealth advisor | 319.4K | $2.0M | 0.8% | +32.5% |
| Amova Asset Management Americas, Inc. ★2 | Fundamental diversified | 269.9K | $1.7M | 0.0% | -6.3% |
| Sumitomo Mitsui Trust Group, Inc. | Diversified mechanical | 269.9K | $1.7M | 0.0% | -6.3% |
| GSA CAPITAL PARTNERS LLP | Diversified mechanical | 251.0K | $1.5M | 0.1% | +105.5% |
| NORTHERN TRUST CORP | Index provider | 241.3K | $1.5M | 0.0% | +4.8% |
| GM Advisory Group, LLC | Wealth advisor | 238.2K | $1.5M | 0.1% | -14.6% |
| RENAISSANCE TECHNOLOGIES LLC | Quant stat arb | 230.2K | $1.4M | 0.0% | +3.6% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 229.5K | $1.4M | 0.0% | -4.7% |
| Squarepoint Ops LLC | Quant stat arb | 213.2K | $1.3M | 0.0% | -2.5% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 180.3K | $1.1M | 0.0% | — |
| RAYMOND JAMES FINANCIAL INC | Bank broker | 176.5K | $1.1M | 0.0% | -1.0% |
| SEI INVESTMENTS CO | Diversified mechanical | 164.9K | $1.0M | 0.0% | +101.2% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 163.7K | $1.0M | 0.0% | — |
| Legato Capital Management LLC | Other | 153.4K | $939K | 0.1% | -1.4% |
| Russell Investments Group, Ltd. | Diversified mechanical | 145.3K | $889K | 0.0% | +6307.8% |
| CITADEL ADVISORS LLC | Multistrat pod | 144.5K | $885K | 0.0% | -45.3% |
| MILLENNIUM MANAGEMENT LLC | Multistrat pod | 142.4K | $872K | 0.0% | -9.9% |
| Mitsubishi UFJ Asset Management Co., Ltd. | Diversified mechanical | 132.5K | $811K | 0.0% | -5.7% |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P | Other | 120.0K | $734K | 0.7% | Held |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 118.8K | $726K | 0.0% | -51.8% |
| GOLDMAN SACHS GROUP INC | Bank broker | 111.2K | $681K | 0.0% | -44.2% |
| AQR CAPITAL MANAGEMENT LLC | Quant stat arb | 104.4K | $639K | 0.0% | -0.4% |
| Nuveen, LLC | Diversified mechanical | 101.1K | $619K | 0.0% | +1.1% |
| UBS Group AG | Bank broker | 93.4K | $572K | 0.0% | -17.1% |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | Other | 89.8K | $549K | 0.0% | +15.1% |
| BANK OF MONTREAL /CAN/ | Bank broker | 87.4K | $535K | 0.0% | -3.8% |
| Trexquant Investment LP | Diversified mechanical | 73.2K | $448K | 0.0% | New |
| Cassaday & Co Wealth Management LLC | Wealth advisor | 71.6K | $438K | 0.0% | Held |
| Bruce & Co., Inc. ★3 | Fundamental concentrated | 68.3K | $418K | 0.1% | Held |
| LPL Financial LLC | Bank broker | 67.8K | $415K | 0.0% | -1.1% |
| Bank of New York Mellon Corp | Diversified mechanical | 59.0K | $361K | 0.0% | -3.2% |
| AMERICAN CENTURY COMPANIES INC | Diversified mechanical | 55.9K | $342K | 0.0% | Held |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | Diversified mechanical | 50.5K | $309K | 0.0% | Held |
| Brooklyn Investment Group | Diversified mechanical | 46.3K | $283K | 0.0% | New |
| TWO SIGMA INVESTMENTS, LP | Quant stat arb | 44.1K | $270K | 0.0% | -39.0% |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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