Which ETFs own MASS?
908 Devices Inc. · Healthcare · Medical - Specialties · US — 36 ETFs hold it, worth $66.6M across 6.18M shares.
Holdings as of Oct 10, 2026 · portfolio reporting dates from the data provider; not live positions.
| # | ETF | Weight | Shares | Value | ETF AUM | Category | Today | |
|---|---|---|---|---|---|---|---|---|
| 1 | ARKG ARK Genomic Revolution ETF | 1.10% | 1.96M | $22.6M | $1.56B | Healthcare | +4.08% | |
| 2 | FITE State Street SPDR S&P Kensho Future… | 0.66% | 89.14K | $1.0M | $154.9M | Technology | +2.04% | |
| 3 | MOON Direxion Moonshot Innovators ETF | 0.65% | 22.02K | $127.3K | $19.5M | Developed Markets | 0.00% | |
| 4 | SGRW Harbor Active Small Cap Growth ETF… | 0.63% | 14.67K | $169.4K | $27.9M | Us Small Cap | +1.18% | |
| 5 | BUSM EA Series Trust - EA Bridgeway… | 0.51% | 49.66K | $600.0K | $116.5M | Active | +0.25% | |
| 6 | NIFE Direxion Fallen Knives ETF | 0.36% | 524 | $8.2K | $2.3M | Financials | -2.55% | |
| 7 | IWC iShares Micro-Cap ETF | 0.09% | 99.86K | $1.2M | $1.32B | — | +0.11% | |
| 8 | STSB iShares Factors US Small Blend Style ETF | 0.06% | 93 | $3.7K | $7.3M | — | -23.11% | |
| 9 | AVUV Avantis U.S. Small Cap Value ETF | 0.04% | 975.87K | $11.3M | $30.82B | Us Small Cap | -0.41% | |
| 10 | AVSC Avantis U.S. Small Cap Equity ETF | 0.02% | 61.45K | $709.7K | $3.06B | Us Small Cap | +0.03% | |
| 11 | VTWV Vanguard Russell 2000 Value ETF | 0.02% | 26.97K | $287.8K | $1.40B | Us Small Cap | -0.13% | |
| 12 | RB ProShares Trust - ProShares Russell… | 0.01% | 13 | $156.65 | $1.2M | Buffer | 0.00% | |
| 13 | RSSL Global X - Russell 2000 ETF | 0.01% | 15.04K | $181.2K | $1.41B | Financials | +0.21% | |
| 14 | IWM iShares Russell 2000 ETF | 0.01% | 821.67K | $9.5M | $78.27B | Us Small Cap | +0.49% | |
| 15 | IWMW iShares Russell 2000 BuyWrite ETF | 0.01% | 576 | $6.7K | $55.4M | Covered Call | +0.63% | |
| 16 | ITWO ProShares Russell 2000 High Income ETF | 0.01% | 1.84K | $22.1K | $185.0M | Covered Call | +0.96% | |
| 17 | VTWO Vanguard Russell 2000 ETF | 0.01% | 166.88K | $1.8M | $18.00B | Us Small Cap | +0.50% | |
| 18 | SCHA Schwab U.S. Small-Cap ETF | 0.01% | 174.67K | $2.0M | $21.73B | Us Small Cap | +0.40% | |
| 19 | URTY ProShares - UltraPro Russell2000 | 0.01% | 1.29K | $15.6K | $279.8M | Developed Markets | +1.37% | |
| 20 | UWM ProShares - Ultra Russell2000 | 0.00% | 761 | $9.2K | $225.1M | Developed Markets | +0.96% | |
| 21 | VXF Vanguard Extended Market ETF | 0.00% | 340.05K | $3.6M | $95.40B | — | +0.80% | |
| 22 | IWN iShares Russell 2000 Value ETF | 0.00% | 290.16K | $3.00 | $13.85B | Us Small Cap | -0.04% | |
| 23 | DFMC U.S. Micro Cap Portfolio ETF | 0.00% | 14.69K | $169.7K | $7.56B | — | +0.20% | |
| 24 | DFSU Dimensional - US Sustainability Core 1… | 0.00% | 4.57K | $52.8K | $2.39B | Esg | +0.48% | |
| 25 | HDG ProShares - Hedge Replication ETF | 0.00% | 38 | $457.90 | $22.5M | Financials | 0.00% | |
| 26 | DFAS Dimensional - US Small Cap ETF | 0.00% | 51.48K | $594.5K | $33.87B | Us Small Cap | +0.32% | |
| 27 | AVUS Avantis U.S. Equity ETF | 0.00% | 14.81K | $171.1K | $14.77B | — | +0.35% | |
| 28 | DFAU Dimensional - US Core Equity Market ETF | 0.00% | 12.44K | $143.6K | $13.12B | — | +0.49% | |
| 29 | IWV iShares Russell 3000 ETF | 0.00% | 8.13K | $93.9K | $20.45B | — | +0.63% | |
| 30 | VTI Vanguard Morningstar Total Stock Market… | 0.00% | 919.83K | $9.8M | $2.30T | Total Market | +0.63% | |
| 31 | SCHB Schwab U.S. Broad Market ETF | 0.00% | 15.50K | $180.4K | $45.06B | — | +0.61% | |
| 32 | DFUS Dimensional U.S. Equity ETF | 0.00% | 6.78K | $78.3K | $21.65B | — | +0.62% | |
| 33 | VTHR Vanguard Russell 3000 ETF | 0.00% | 2.15K | $23.0K | $6.40B | — | +0.62% | |
| 34 | DXUV U.S. Vector Equity Portfolio ETF Class… | 0.00% | 1.18K | $13.6K | $6.18B | Financials | +0.25% | |
| 35 | DCOR U.S. Core Equity 1 Portfolio ETF Class… | 0.00% | 4.48K | $51.8K | $45.59B | — | +0.44% | |
| 36 | DFAC Dimensional - US Core Equity 2 ETF | 0.00% | 7.72K | $89.2K | $88.60B | — | +0.49% |
Coverage reflects the ETF portfolios loaded in our database; very small funds may not be swept yet. Market data delayed approximately 15–20 minutes unless otherwise indicated.