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 Q4 2017?

164 institutional investors reported ROCK - GIBRALTAR INDUSTRIES, INC. - Common Stock for Q4 2017. Use the holders table for investor-level position and value details.

GIBRALTAR INDUSTRIES, INC. - Common Stock (ROCK)

CUSIP: 374689107

Q4 2017 13F Holders as of 31 Dec 2017

Type / Class: Equity / Common Stock
Shares outstanding: 29,557,276
Total 13F shares: 34,923,133
Share change: +1,134,153
Total reported value: $1,152,785,952
Price per share: $33.00
Number of holders: 164
Value change: +$38,253,567
Number of buys: 83
Number of sells: 72

Quarterly Holders Quick Answers

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

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Explore More Reporting Periods

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

Newer quarter: Q1 2018
Previous quarter: Q3 2017

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
BlackRock Finance, Inc.	13F	Company	13%	3,981,215	$124,016,000	—	30 Sep 2017	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	8.2%	2,426,842	$75,596,000	—	30 Sep 2017	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	8%	2,359,000	$73,483,000	—	30 Sep 2017	13F
Aberdeen Group plc	13F	Company	7.5%	2,221,543	$69,201,000	—	30 Sep 2017	13F
PZENA INVESTMENT MANAGEMENT LLC	13F	Company	6.3%	1,852,838	$57,716,000	—	30 Sep 2017	13F
VANGUARD GROUP INC	13F	Company	5.7%	1,691,518	$52,691,000	—	30 Sep 2017	13F
FMR LLC	13F	Company	4.9%	1,447,441	$45,087,000	—	30 Sep 2017	13F
FRANKLIN RESOURCES INC	13F	Company	4.9%	1,440,459	$44,870,000	—	30 Sep 2017	13F
GOLDMAN SACHS GROUP INC	13F	Company	4.6%	1,374,362	$42,812,000	—	30 Sep 2017	13F
BARROW HANLEY MEWHINNEY & STRAUSS LLC	13F	Company	4.5%	1,326,284	$41,313,000	—	30 Sep 2017	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	3.8%	1,112,853	$34,665,000	—	30 Sep 2017	13F
WESTWOOD HOLDINGS GROUP INC	13F	Company	3.7%	1,107,301	$34,492,000	—	30 Sep 2017	13F
STATE STREET CORP	13F	Company	2.6%	760,591	$23,691,000	—	30 Sep 2017	13F
LORD, ABBETT & CO. LLC	13F	Company	1.9%	566,068	$17,633,000	—	30 Sep 2017	13F
NORGES BANK	13F	Company	1.8%	529,458	$16,493,000	—	30 Sep 2017	13F
NORTHERN TRUST CORP	13F	Company	1.7%	497,564	$15,499,000	—	30 Sep 2017	13F
HCSF Management, LLC	13F	Company	1.5%	442,404	$13,781,000	—	30 Sep 2017	13F
Bank of New York Mellon Corp	13F	Company	1.4%	424,220	$13,215,000	—	30 Sep 2017	13F
Epoch Investment Partners, Inc.	13F	Company	1.2%	366,580	$11,419,000	—	30 Sep 2017	13F
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO	13F	Company	1.2%	352,324	$10,975,000	—	30 Sep 2017	13F
Cortina Asset Management, LLC	13F	Company	1.1%	331,023	$10,311,000	—	30 Sep 2017	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	1%	305,102	$9,504,000	—	30 Sep 2017	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.95%	281,976	$8,783,000	—	30 Sep 2017	13F
Curi Capital, LLC	13F	Company	0.91%	270,353	$8,421,000	—	30 Sep 2017	13F
DEUTSCHE BANK AG\	13F	Company	0.89%	264,480	$8,236,000	—	30 Sep 2017	13F
Gotham Asset Management, LLC	13F	Company	0.85%	250,483	$7,803,000	—	30 Sep 2017	13F
JPMORGAN CHASE & CO	13F	Company	0.85%	250,713	$7,759,000	—	30 Sep 2017	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.84%	248,799	$7,750,000	—	30 Sep 2017	13F
ROYCE & ASSOCIATES LP	13F	Company	0.79%	232,889	$7,254,000	—	30 Sep 2017	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.6%	178,759	$5,568,000	—	30 Sep 2017	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.55%	163,250	$5,086,000	—	30 Sep 2017	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.51%	149,363	$4,653,000	—	30 Sep 2017	13F
Marshall Wace North America L.P.	13F	Company	0.5%	146,837	$4,552,000	—	30 Sep 2017	13F
MORGAN STANLEY	13F	Company	0.49%	145,517	$4,533,000	—	30 Sep 2017	13F
SYSTEMATIC FINANCIAL MANAGEMENT LP	13F	Company	0.48%	141,685	$4,413,000	—	30 Sep 2017	13F
Teton Advisors, Inc.	13F	Company	0.48%	141,000	$4,392,000	—	30 Sep 2017	13F
RBF Capital, LLC	13F	Company	0.47%	140,000	$4,361,000	—	30 Sep 2017	13F
D. E. Shaw & Co., Inc.	13F	Company	0.44%	130,320	$4,060,000	—	30 Sep 2017	13F
PRUDENTIAL FINANCIAL INC	13F	Company	0.43%	127,985	$3,986,000	—	30 Sep 2017	13F
UNITED SERVICES AUTOMOBILE ASSOCIATION	13F	Company	0.43%	125,825	$3,919,000	—	30 Sep 2017	13F
Nationwide Fund Advisors	13F	Company	0.41%	121,628	$3,789,000	—	30 Sep 2017	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.39%	116,450	$3,628,000	—	30 Sep 2017	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.36%	105,595	$3,289,000	—	30 Sep 2017	13F
PDT Partners, LLC	13F	Company	0.35%	104,800	$3,265,000	—	30 Sep 2017	13F
Robert E. Robotti	13F	Individual	0.34%	101,848	$3,173,000	—	30 Sep 2017	13F
THRIVENT FINANCIAL FOR LUTHERANS	13F	Company	0.33%	98,838	$3,079,000	—	30 Sep 2017	13F
Piermont Capital Management Inc.	13F	Company	0.32%	96,013	$2,991,000	—	30 Sep 2017	13F
York State Teachers Retirement System New	13F	Individual	0.29%	84,972	$2,647,000	—	30 Sep 2017	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.28%	82,589	$2,573,000	—	30 Sep 2017	13F
RHUMBLINE ADVISERS	13F	Company	0.24%	69,786	$2,174,000	—	30 Sep 2017	13F

Institutional Holders of GIBRALTAR INDUSTRIES, INC. - Common Stock (ROCK) as of Q4 2017

As of 31 Dec 2017, GIBRALTAR INDUSTRIES, INC. - Common Stock (ROCK) was held by 164 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 34,923,133 shares. The largest 10 holders included BlackRock Inc., PRICE T ROWE ASSOCIATES INC /MD/, DIMENSIONAL FUND ADVISORS LP, Standard Life Aberdeen plc, PZENA INVESTMENT MANAGEMENT LLC, Vanguard Group Inc, FRANKLIN RESOURCES INC, FMR LLC, BARROW HANLEY MEWHINNEY & STRAUSS LLC, and WESTWOOD HOLDINGS GROUP INC. This page lists 164 institutional shareholders reporting positions in this security for the Q4 2017 filing period.

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

Compare Q4 2017 vs Q3 2017 Across Filers

Q3 2017 holders

155

Q4 2017 holders

164

Holder diff

Investor	Q3 2017 Shares	Q4 2017 Shares	Share Diff	Share Chg %	Q3 2017 Value $	Q4 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.