MASS
908 DEVICES INCData as of 2026 Q2 (06-30) · 13F snapshot
Summary
908 DEVICES INC (MASS) is held as common stock by 3 tracked hedge-fund managers, with a combined reported value of ~$19.86M; the largest are Cathie Wood, Renaissance Technologies, Ken Griffin. This quarter: 1 added, 2 trimmed, 1 closed. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.
Attention · LowThis quarter · Cooling
Common-stock holders3
Congress trades0
Price$11.66vs quarter-end+34.02%
Sectors0
This quarter's moves
Top holderNew0
Added1
Trimmed / sold3
Cathie WoodCommon-stock positions
PUT and CALL disclosures are excluded from these holder counts and values.
| Investor | Value | % of portfolio | Action |
|---|
ARK ETF holdings
Cathie Wood · dailyARK total shares held · drag to inspect
2026-09-29holds 1,926,581
- ARKGweight in fund1.03%$22.46M
ARK publishes full ETF holdings daily (SEC Rule 6c-11). Line shows ARK's total shares held over time (not price); markers are buy/sell days. Derived from public CSVs — research only, not investment advice.
Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.