MERCURY SYS INC

Ticker: MRCY CUSIP: 589378108 Class: Common Stock

HARBOR INVESTMENT ADVISORY, LLC's Holding History (CIK: 0001468792)

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

Q2 2020

Shares 17 Value ($000) $1 Avg Close $81.87 Range $65.87 - $96.29

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2020	17	$1	$81.87	$65.87 - $96.29