KALEIDO BIOSCIENCES INC

Ticker: KLDO CUSIP: 483347100 Class: COM

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q1 2021
Shares 12,356 Value ($000) $100 Avg Close $10.89 Range $7.00 - $20.50