MASS 908 Devices Inc.
Industrials, filed as 908 Devices Inc (COMMON STOCK), Equity As of 2026 Q2 among managers we track Quote on Google Finance, opens in a new tab
In 2026 Q2 First Eagle Investment Management added to 908 Devices.
Who owns this now
Largest portfolio weights among holders, up to 0.1% (Cathie Wood, Ark Investment Management). Not free-float ownership.
Who owns MASS
Sorted by value, long equity only, as of 2026 Q2.
| History | |||||
|---|---|---|---|---|---|
| Cathie Wood, Ark Investment Management | Small add +4.2% | 2,027,920 | $18M | History | |
| First Eagle Investment Management | Add +15.7% | 929,985 | $8.1M | History |
Insider trades
Open-market buys and sales by MASS's executives, directors and 10% owners in the last 12 months, from their Form 4s
- None no insider bought on the open market
- $4.3M sold by 2 insiders outside a trading plan
- $5.2M sold by 5 insiders under 10b5-1 plans
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Christopher D. Brown DirectorPlanned sale$357K 30,000 shares at $11.89 3.9% of stakeTraded Oct 7 Filed Oct 9
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Joseph H. Griffith IV CFOPlanned sale$65K 5,000 shares at $13.03 4.1% of stakeTraded Oct 6 Filed Oct 8
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AWM Investment Company, Inc. 10% ownerSale$207K 18,000 shares at $11.52 0.4% of stakeTraded Sep 29 Filed Oct 1
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AWM Investment Company, Inc. 10% ownerSale$284K 25,000 shares at $11.36 0.5% of stakeTraded Sep 23–24 Filed Sep 25
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John Kenneweg SVP, Sales & Product MarketingPlanned sale$280K 27,656 shares at $10.13 32% of stakeTraded Sep 15–17 Filed Sep 17
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Christopher D. Brown DirectorPlanned sale$317K 30,000 shares at $10.58 3.7% of stakeTraded Sep 2 Filed Sep 4
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Joseph H. Griffith IV CFOPlanned sale$125K 11,459 shares at $10.95 8.6% of stakeTraded Aug 25 Filed Aug 27
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AWM Investment Company, Inc. 10% ownerSale$530K 50,000 shares at $10.60 1% of stakeTraded Aug 20–21 Filed Aug 24
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Kevin J. Knopp CEOPlanned sale$284K 27,622 shares at $10.27 4.7% of stakeTraded Aug 13–17 Filed Aug 17
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Christopher D. Brown DirectorPlanned sale$162K 17,800 shares at $9.12 2.2% of stakeTraded Aug 10–11 Filed Aug 12
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Kevin J. Knopp CEOPlanned sale$1.5M 149,013 shares at $9.90 20% of stakeTraded Aug 10–12 Filed Aug 12
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Christopher D. Brown DirectorPlanned sale$170K 20,000 shares at $8.49 2.4% of stakeTraded Aug 5 Filed Aug 7
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AWM Investment Company, Inc. 10% ownerSale$418K 50,000 shares at $8.36 1% of stakeTraded Aug 4 Filed Aug 6
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Christopher D. Brown DirectorPlanned sale$20K 2,200 shares at $9.02 0.3% of stakeTraded Jul 2 Filed Jul 7
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Kevin J. Knopp CEOPlanned sale$2,014 222 shares at $9.07 <0.1% of stakeTraded Jul 2 Filed Jul 7
Also filed in the last 12 months, not counted as buying or selling: 28 option exercises, 3 sales to cover taxes, and 2 gifts.
SEC filings
Recent issuer filings from EDGAR, 9 shown.
Financials
US-GAAP annual figures by fiscal year, as tagged in Form 10-K. Each value links to its SEC filing.
Income statement
Balance sheet
| Metric | FY2023 | FY2024 | FY2025 |
|---|---|---|---|
| Total current assets | $173.79M | $103.06M | $144.56M |
| Total non-current assets * | $29.19M | $56.42M | $45.51M |
| Total assets | $202.98M | $159.48M | $190.07M |
| Total current liabilities | $22.55M | $25.15M | $34.06M |
| Total non-current liabilities * | $14.94M | $19.74M | $12.31M |
| Total equity | $165.49M | $114.59M | $143.7M |
Ownership over time
13Fs that reported it each quarter. Click a bar for that quarter’s holders.