908 DEVICES INC

Ticker: MASS CUSIP: 65443P102 Class: Common Stock

Alyeska Investment Group, L.P.'s Holding History (CIK: 0001453072)

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

Q4 2020

Shares 50,190 Value ($000) $2,858 Avg Close $58.41 Range $43.25 - $74.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	50,190	$2,858	$58.41	$43.25 - $74.00