What does CUSIP 374689107 represent in this 13F holders report?

CUSIP 374689107 is the security identifier for ROCK - GIBRALTAR INDUSTRIES, INC. - Common Stock used to aggregate holder disclosures.

How many institutions held ROCK - GIBRALTAR INDUSTRIES, INC. - Common Stock in Q1 2017?

178 institutional investors reported ROCK - GIBRALTAR INDUSTRIES, INC. - Common Stock for Q1 2017. Use the holders table for investor-level position and value details.

GIBRALTAR INDUSTRIES, INC. - Common Stock (ROCK)

CUSIP: 374689107

Q1 2017 13F Holders as of 31 Mar 2017

Type / Class: Equity / Common Stock
Shares outstanding: 29,557,276
Total 13F shares: 32,188,396
Share change: +4,193,973
Total reported value: $1,326,080,328
Put/Call ratio: 98%
Price per share: $41.20
Number of holders: 178
Value change: +$172,490,459
Number of buys: 80
Number of sells: 102

Quarterly Holders Quick Answers

What is CUSIP 374689107?
CUSIP 374689107 identifies ROCK - GIBRALTAR INDUSTRIES, INC. - Common Stock in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2017
Previous quarter: Q4 2016

Recent filing periods for CUSIP 374689107:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of ROCK - GIBRALTAR INDUSTRIES, INC. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
DIMENSIONAL FUND ADVISORS LP	13F	Company	8.5%	2,499,960	$104,125,000	—	31 Dec 2016	13F
BlackRock Fund Advisors	13F	Company	8.2%	2,414,415	$100,560,000	—	31 Dec 2016	13F
VANGUARD GROUP INC	13F	Company	6.6%	1,955,856	$81,460,000	—	31 Dec 2016	13F
BARROW HANLEY MEWHINNEY & STRAUSS LLC	13F	Company	5.4%	1,598,861	$66,592,000	—	31 Dec 2016	13F
FRANKLIN RESOURCES INC	13F	Company	4.9%	1,448,770	$60,341,000	—	31 Dec 2016	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	4.3%	1,264,600	$52,671,000	—	31 Dec 2016	13F
NORTHERN TRUST CORP	13F	Company	4.1%	1,208,681	$50,342,000	—	31 Dec 2016	13F
GOLDMAN SACHS GROUP INC	13F	Company	3.9%	1,153,583	$48,047,000	—	31 Dec 2016	13F
LORD, ABBETT & CO. LLC	13F	Company	3.2%	947,435	$39,461,000	—	31 Dec 2016	13F
ABERDEEN ASSET MANAGEMENT PLC/UK	13F	Company	3.1%	920,697	$38,348,000	—	31 Dec 2016	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	2.8%	841,111	$35,032,000	—	31 Dec 2016	13F
FMR LLC	13F	Company	2.6%	778,191	$32,412,000	—	31 Dec 2016	13F
STATE STREET CORP	13F	Company	2.5%	748,396	$31,171,000	—	31 Dec 2016	13F
AMERIPRISE FINANCIAL INC	13F	Company	1.8%	546,267	$22,751,000	—	31 Dec 2016	13F
Cortina Asset Management, LLC	13F	Company	1.7%	491,567	$20,474,000	—	31 Dec 2016	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	1.6%	469,392	$19,550,000	—	31 Dec 2016	13F
Bank of New York Mellon Corp	13F	Company	1.6%	458,907	$19,113,000	—	31 Dec 2016	13F
NORGES BANK	13F	Company	1.4%	412,121	$17,165,000	—	31 Dec 2016	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	1.4%	399,248	$16,629,000	—	31 Dec 2016	13F
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO	13F	Company	1.2%	352,866	$14,697,000	—	31 Dec 2016	13F
Phocas Financial Corp.	13F	Company	1.1%	338,721	$14,108,000	—	31 Dec 2016	13F
Invesco Ltd.	13F	Company	1.1%	330,628	$13,771,000	—	31 Dec 2016	13F
Allianz Asset Management GmbH	13F	Company	1.1%	324,231	$13,504,000	—	31 Dec 2016	13F
TEACHERS ADVISORS, LLC	13F	Company	1.1%	313,707	$13,066,000	—	31 Dec 2016	13F
DRIEHAUS CAPITAL MANAGEMENT LLC	13F	Company	1%	305,913	$12,741,000	—	31 Dec 2016	13F
ROYCE & ASSOCIATES LP	13F	Company	1%	302,920	$12,617,000	—	31 Dec 2016	13F
DEUTSCHE BANK AG\	13F	Company	0.99%	291,158	$12,124,000	—	31 Dec 2016	13F
Epoch Investment Partners, Inc.	13F	Company	0.97%	285,234	$11,880,000	—	31 Dec 2016	13F
JPMORGAN CHASE & CO	13F	Company	0.93%	274,709	$11,441,000	—	31 Dec 2016	13F
PRUDENTIAL FINANCIAL INC	13F	Company	0.92%	270,802	$11,279,000	—	31 Dec 2016	13F
HCSF Management, LLC	13F	Company	0.87%	257,904	$10,742,000	—	31 Dec 2016	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.86%	253,856	$10,573,000	—	31 Dec 2016	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.84%	249,500	$10,391,000	—	31 Dec 2016	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.84%	247,674	$10,315,000	—	31 Dec 2016	13F
Gotham Asset Management, LLC	13F	Company	0.79%	234,912	$9,784,000	—	31 Dec 2016	13F
JAMES INVESTMENT RESEARCH, INC.	13F	Company	0.79%	232,426	$9,681,000	—	31 Dec 2016	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.7%	205,434	$8,556,000	—	31 Dec 2016	13F
MORGAN STANLEY	13F	Company	0.64%	190,380	$7,929,000	—	31 Dec 2016	13F
THRIVENT FINANCIAL FOR LUTHERANS	13F	Company	0.64%	189,448	$7,891,000	—	31 Dec 2016	13F
LOOMIS SAYLES & CO L P	13F	Company	0.63%	187,497	$7,809,000	—	31 Dec 2016	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.56%	166,663	$6,942,000	—	31 Dec 2016	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.56%	165,175	$6,880,000	—	31 Dec 2016	13F
BlackRock Investment Management, LLC	13F	Company	0.55%	164,022	$6,832,000	—	31 Dec 2016	13F
AGF INVESTMENTS INC.	13F	Company	0.5%	149,043	$6,201,000	—	31 Dec 2016	13F
Teton Advisors, Inc.	13F	Company	0.48%	141,000	$5,873,000	—	31 Dec 2016	13F
RBF Capital, LLC	13F	Company	0.47%	140,000	$5,831,000	—	31 Dec 2016	13F
Nicholas Investment Partners, LP	13F	Company	0.47%	139,431	$5,809,000	—	31 Dec 2016	13F
PANAGORA ASSET MANAGEMENT INC	13F	Company	0.44%	131,268	$5,467,000	—	31 Dec 2016	13F
UNITED SERVICES AUTOMOBILE ASSOCIATION	13F	Company	0.43%	127,125	$5,295,000	—	31 Dec 2016	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.43%	126,714	$5,278,000	—	31 Dec 2016	13F

Institutional Holders of GIBRALTAR INDUSTRIES, INC. - Common Stock (ROCK) as of Q1 2017

As of 31 Mar 2017, GIBRALTAR INDUSTRIES, INC. - Common Stock (ROCK) was held by 178 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 32,188,396 shares. The largest 10 holders included BlackRock Inc., DIMENSIONAL FUND ADVISORS LP, VANGUARD GROUP INC, FRANKLIN RESOURCES INC, BARROW HANLEY MEWHINNEY & STRAUSS LLC, PRICE T ROWE ASSOCIATES INC /MD/, GOLDMAN SACHS GROUP INC, NORTHERN TRUST CORP, RENAISSANCE TECHNOLOGIES LLC, and ABERDEEN ASSET MANAGEMENT PLC/UK. This page lists 178 institutional shareholders reporting positions in this security for the Q1 2017 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2017 vs Q4 2016 Across Filers

Q4 2016 holders

199

Q1 2017 holders

178

Holder diff

-21

Investor	Q4 2016 Shares	Q1 2017 Shares	Share Diff	Share Chg %	Q4 2016 Value $	Q1 2017 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.