GIBRALTAR INDS INC

Ticker: ROCK CUSIP: 374689107 Class: EQTY

Magnetar Financial LLC's Holding History (CIK: 0001352851)

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

Q4 2019

Shares 8,556 Value ($000) $432 Avg Close $50.22 Range $43.51 - $55.16

Q3 2019

Shares 17,760 Value ($000) $816 Avg Close $41.86 Range $38.79 - $47.23

Q2 2019

Shares 18,470 Value ($000) $745 Avg Close $38.87 Range $35.29 - $41.82

Q1 2019

Shares 14,783 Value ($000) $600 Avg Close $38.15 Range $33.42 - $43.48

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	8,556	$432	$50.22	$43.51 - $55.16
Q3 2019	17,760	$816	$41.86	$38.79 - $47.23
Q2 2019	18,470	$745	$38.87	$35.29 - $41.82
Q1 2019	14,783	$600	$38.15	$33.42 - $43.48