PROMETHEUS BIOSCIENCES INC

CUSIP: 74349U108 Class: Common Stock

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

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

Q1 2023
Shares 66,282 Value ($000) $7,113 Avg Close — Range —
Q4 2022
Shares 138,302 Value ($000) $15,213 Avg Close — Range —