Gibraltar Industries Inc. (ROCK)

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Institutional Investors' Holdings

Filing Period: Filing is Ongoing

No.	Name	Shares	Value	% Port
1.	Blackrock, Inc.	5,234,148	$307,035,121	0.01%
2.	Vanguard Group Inc	2,995,655	$175,725,122	0%
3.	Victory Capital Management Inc	1,092,341	$64,076,722	0.07%
4.	Allspring Global Investments Holdings, Llc	491,221	$28,510,467	0.05%
5.	Schwab Charles Investment Management Inc	454,723	$26,674,051	0%