Follow The Filings

MASS position history

The shares of 908 Devices (MASS) that ARK Investment Management LLC reported in each quarter’s 13F.

Equity, COMMON STOCK

Shares held by quarter

New Add Reduce Exit

  1. 2021 Q3: 2,750,877 shares, $89M, 0.21% of portfolio
  2. 2021 Q4: 2,996,393 shares, $78M, 0.23% of portfolio, Add +8.9%
  3. 2022 Q1: 3,482,926 shares, $66M, 0.28% of portfolio, Add +16.2%
  4. 2022 Q2: 3,628,220 shares, $51M, 0.30% of portfolio, Add +4.2%
  5. 2022 Q3: 3,775,194 shares, $62M, 0.43% of portfolio, Add +4.1%
  6. 2022 Q4: 3,689,475 shares, $28M, 0.24% of portfolio, Reduce −2.3%
  7. 2023 Q1: 3,992,899 shares, $34M, 0.24% of portfolio, Add +8.2%
  8. 2023 Q2: 3,972,905 shares, $27M, 0.18% of portfolio, Reduce −0.5%
  9. 2023 Q3: 4,013,460 shares, $27M, 0.20% of portfolio, Add +1.0%
  10. 2023 Q4: 4,346,579 shares, $49M, 0.29% of portfolio, Add +8.3%
  11. 2024 Q1: 4,048,938 shares, $31M, 0.21% of portfolio, Reduce −6.8%
  12. 2024 Q2: 3,937,631 shares, $20M, 0.18% of portfolio, Reduce −2.7%
  13. 2024 Q3: 3,219,549 shares, $11M, 0.10% of portfolio, Reduce −18.2%
  14. 2024 Q4: 2,788,566 shares, $6.1M, 0.05% of portfolio, Reduce −13.4%
  15. 2025 Q1: 2,899,347 shares, $13M, 0.13% of portfolio, Add +4.0%
  16. 2025 Q2: 2,648,278 shares, $19M, 0.14% of portfolio, Reduce −8.7%
  17. 2025 Q3: 1,953,772 shares, $17M, 0.10% of portfolio, Reduce −26.2%
  18. 2025 Q4: 1,985,986 shares, $10M, 0.07% of portfolio, Add +1.6%
  19. 2026 Q1: 1,946,685 shares, $12M, 0.09% of portfolio, Reduce −2.0%
  20. 2026 Q2: 2,027,920 shares, $18M, 0.11% of portfolio, Add +4.2%
Holdings date Value % of holdings Shares Filing date All 13F holders