908 DEVICES INC

Ticker: MASS CUSIP: 65443P102 Class: Common Stock

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 246,614 Value ($000) $1,295 Avg Close $6.99 Range $5.16 - $9.34
Q3 2025
Shares 324,788 Value ($000) $2,843 Avg Close $6.64 Range $5.32 - $8.79
Q2 2025
Shares 363,007 Value ($000) $2,587 Avg Close $5.56 Range $3.55 - $8.06
Q1 2025
Shares 384,332 Value ($000) $1,721 Avg Close $2.96 Range $1.92 - $4.80
Q4 2024
Shares 384,332 Value ($000) $845 Avg Close $2.86 Range $1.81 - $4.05
Q3 2024
Shares 397,039 Value ($000) $1,378 Avg Close $4.44 Range $3.42 - $6.30
Q2 2024
Shares 245,176 Value ($000) $1,263 Avg Close $6.04 Range $4.94 - $7.56
Q1 2024
Shares 130,189 Value ($000) $983 Avg Close $7.41 Range $6.42 - $11.16
Q4 2023
Shares 110,955 Value ($000) $1,245 Avg Close $6.83 Range $4.85 - $12.51
Q3 2023
Shares 21,397 Value ($000) $143 Avg Close $6.93 Range $5.84 - $8.54
Q2 2023
Shares 13,107 Value ($000) $90 Avg Close $8.04 Range $5.69 - $10.37
Q1 2023
Shares 42,517 Value ($000) $366 Avg Close $8.92 Range $6.38 - $10.97
Q4 2022
Shares 44,686 Value ($000) $0 Avg Close $12.10 Range $6.87 - $18.02
Q3 2022
Shares 44,678 Value ($000) $735 Avg Close $19.42 Range $14.86 - $26.00
Q2 2022
Shares 37,297 Value ($000) $768 Avg Close $16.80 Range $12.67 - $21.38