Catherine Wood's MASS Position Overview
Catherine Wood (via Ark Investment Management LLC) currently holds 1.99 M shares of 908 Devices Inc. (MASS) worth $10.43 M, representing 0.07% of the portfolio. First purchased in 2020-Q4, this long-term strategic position has been held for 21 quarters.
Based on 13F filings, Catherine Wood has maintained a strategic position in MASS, demonstrating sustained confidence in this investment. Largest addition occurred in Q2 2021, adding 1.38 M shares. Largest reduction occurred in Q3 2024, reducing 718,082 shares.
Analysis based on 13F filings available since 2013 Q2
Catherine Wood's 908 Devices (MASS) Holding Value Over Time
Track share changes against reported price movement
Quarterly 908 Devices (MASS) Trades by Catherine Wood
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +32,214 | Add 1.65% | 1.99 M | $5.25 |
| Q3 2025 | -694,506 | Reduce 26.22% | 1.95 M | $8.76 |
| Q2 2025 | -251,069 | Reduce 8.66% | 2.65 M | $7.13 |
| Q1 2025 | +110,781 | Add 3.97% | 2.9 M | $4.48 |
| Q4 2024 | -430,983 | Reduce 13.39% | 2.79 M | $2.20 |
| Q3 2024 | -718,082 | Reduce 18.24% | 3.22 M | $3.47 |
| Q2 2024 | -111,307 | Reduce 2.75% | 3.94 M | $5.15 |
| Q1 2024 | -297,641 | Reduce 6.85% | 4.05 M | $7.55 |
| Q4 2023 | +333,119 | Add 8.30% | 4.35 M | $11.22 |
| Q3 2023 | +40,555 | Add 1.02% | 4.01 M | $6.66 |
| Q2 2023 | -19,994 | Reduce 0.50% | 3.97 M | $6.86 |
| Q1 2023 | +303,424 | Add 8.22% | 3.99 M | $8.60 |
| Q4 2022 | -85,719 | Reduce 2.27% | 3.69 M | $7.62 |
| Q3 2022 | +146,974 | Add 4.05% | 3.78 M | $16.45 |
| Q2 2022 | +145,294 | Add 4.17% | 3.63 M | $13.92 |
| Q1 2022 | +486,533 | Add 16.24% | 3.48 M | $19.01 |
| Q4 2021 | +245,516 | Add 8.93% | 3 M | $25.87 |
| Q3 2021 | +296,520 | Add 12.08% | 2.75 M | $32.52 |
| Q2 2021 | +1.38 M | Add 128.77% | 2.45 M | $38.75 |
| Q1 2021 | +635,618 | Add 145.37% | 1.07 M | $48.50 |
| Q4 2020 | +437,248 | New Buy | 437,248 | $56.95 |
Catherine Wood's 908 Devices Investment FAQs
Catherine Wood first purchased 908 Devices Inc. (MASS) in Q4 2020, acquiring 437,248 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Catherine Wood has held 908 Devices Inc. (MASS) for 21 quarters since Q4 2020.
Catherine Wood's largest addition to 908 Devices Inc. (MASS) was in Q2 2021, adding 2,454,357 shares worth $95.11 M.
According to the latest 13F filing for Q4 2025, Catherine Wood's firm, Ark Investment Management LLC, owns 1,985,986 shares of 908 Devices Inc. (MASS), valued at approximately $10.43 M.
As of the Q4 2025 filing, 908 Devices Inc. (MASS) represents approximately 0.07% of Catherine Wood's publicly disclosed stock portfolio, making it one of their key holdings.
Catherine Wood's peak holding in 908 Devices Inc. (MASS) was 4,346,579 shares, as reported at the end of Q4 2023.