REGENXBIO INC

Ticker: RGNX CUSIP: 75901B107 Class: Common Stock

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

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

Q3 2015

Shares 51,736 Value ($000) $1,140 Avg Close $25.52 Range $17.51 - $32.00

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2015	51,736	$1,140	$25.52	$17.51 - $32.00