What does CUSIP 390607109 represent in this 13F holders report?

CUSIP 390607109 is the security identifier for GLDD - Great Lakes Dredge & Dock CORP - Common Stock used to aggregate holder disclosures.

How many institutions held GLDD - Great Lakes Dredge & Dock CORP - Common Stock in Q2 2015?

91 institutional investors reported GLDD - Great Lakes Dredge & Dock CORP - Common Stock for Q2 2015. Use the holders table for investor-level position and value details.

Great Lakes Dredge & Dock CORP - Common Stock (GLDD)

CUSIP: 390607109

Q2 2015 13F Holders as of 30 Jun 2015

Type / Class: Equity / Common Stock
Shares outstanding: 67,018,110
Total 13F shares: 51,808,490
Share change: -271,498
Total reported value: $308,782,909
Price per share: $5.96
Number of holders: 91
Value change: -$1,669,109
Number of buys: 47
Number of sells: 46

Quarterly Holders Quick Answers

What is CUSIP 390607109?
CUSIP 390607109 identifies GLDD - Great Lakes Dredge & Dock CORP - Common Stock in SEC institutional holdings data.

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Related Filing Research

Latest 13F filings for newly reported positions.
Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
Latest 10-Q/10-K reports for financial context tied to this issuer.
Recent insider transactions for executive and insider activity.
SEC investors directory and top value investors for manager drilldown.
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Explore More Reporting Periods

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

Newer quarter: Q3 2015
Previous quarter: Q1 2015

Recent filing periods for CUSIP 390607109:

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

Top shareholders of GLDD - Great Lakes Dredge & Dock CORP - 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
JENNISON ASSOCIATES LLC	13F	Company	8.2%	5,478,900	$32,928,000	—	31 Mar 2015	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	7.5%	5,056,769	$30,391,000	—	31 Mar 2015	13F
Boston Partners	13F	Company	7.3%	4,890,002	$29,388,000	—	31 Mar 2015	13F
RUTABAGA CAPITAL MANAGEMENT LLC/MA	13F	Company	6.8%	4,581,092	$27,532,000	—	31 Mar 2015	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	5.4%	3,611,993	$21,707,000	—	31 Mar 2015	13F
SEGALL BRYANT & HAMILL, LLC	13F	Company	3.6%	2,416,536	$14,523,000	—	31 Mar 2015	13F
Bank of New York Mellon Corp	13F	Company	3.5%	2,369,369	$14,239,000	—	31 Mar 2015	13F
VANGUARD GROUP INC	13F	Company	2.8%	1,893,582	$11,380,000	—	31 Mar 2015	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	2.6%	1,732,107	$10,410,000	—	31 Mar 2015	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	2.6%	1,716,393	$10,316,000	—	31 Mar 2015	13F
BlackRock Fund Advisors	13F	Company	2.4%	1,640,541	$9,860,000	—	31 Mar 2015	13F
NORTHERN TRUST CORP	13F	Company	2.3%	1,519,398	$9,132,000	—	31 Mar 2015	13F
VAN DEN BERG MANAGEMENT I, INC	13F	Company	2.2%	1,481,561	$8,904,000	—	31 Mar 2015	13F
AMERIPRISE FINANCIAL INC	13F	Company	2.1%	1,426,632	$8,576,000	—	31 Mar 2015	13F
AJO, LP	13F	Company	1.5%	1,029,710	$6,189,000	—	31 Mar 2015	13F
STATE STREET CORP	13F	Company	1.4%	925,378	$5,564,000	—	31 Mar 2015	13F
KENNEDY CAPITAL MANAGEMENT LLC	13F	Company	1.1%	745,293	$4,479,000	—	31 Mar 2015	13F
PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C.	13F	Company	0.97%	647,390	$3,891,000	—	31 Mar 2015	13F
THB ASSET MANAGEMENT	13F	Company	0.95%	633,462	$3,807,000	—	31 Mar 2015	13F
MORGAN STANLEY	13F	Company	0.8%	538,429	$3,236,000	—	31 Mar 2015	13F
Minerva Advisors LLC	13F	Company	0.71%	478,427	$2,871,000	—	31 Mar 2015	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.67%	451,750	$2,715,000	—	31 Mar 2015	13F
MARATHON CAPITAL MANAGEMENT	13F	Company	0.6%	400,050	$2,404,000	—	31 Mar 2015	13F
AlphaOne Investment Services, LLC	13F	Company	0.55%	369,595	$2,221,000	—	31 Mar 2015	13F
CREDIT SUISSE AG/	13F	Company	0.55%	365,253	$2,196,000	—	31 Mar 2015	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.4%	269,200	$2,097,000	—	31 Mar 2015	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.5%	338,109	$2,032,000	—	31 Mar 2015	13F
RUSSELL FRANK CO/	13F	Company	0.47%	313,400	$1,884,000	—	31 Mar 2015	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.36%	242,489	$1,457,000	—	31 Mar 2015	13F
Asset Management One Co., Ltd.	13F	Company	0.32%	215,100	$1,293,000	—	31 Mar 2015	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.31%	207,900	$1,249,000	—	31 Mar 2015	13F
Foundry Partners, LLC	13F	Company	0.3%	202,815	$1,219,000	—	31 Mar 2015	13F
ALPINE WOODS CAPITAL INVESTORS, LLC	13F	Company	0.3%	200,000	$1,202,000	—	31 Mar 2015	13F
BlackRock Investment Management, LLC	13F	Company	0.29%	197,027	$1,184,000	—	31 Mar 2015	13F
North Star Investment Management Corp.	13F	Company	0.29%	193,300	$1,162,000	—	31 Mar 2015	13F
KEELEY ASSET MANAGEMENT CORP	13F	Company	0.28%	190,720	$1,146,000	—	31 Mar 2015	13F
MANAGED ACCOUNT ADVISORS LLC	13F	Company	0.25%	169,641	$1,020,000	—	31 Mar 2015	13F
GUGGENHEIM CAPITAL LLC	13F	Company	0.25%	168,189	$1,011,000	—	31 Mar 2015	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.25%	164,365	$988,000	—	31 Mar 2015	13F
RAYMOND JAMES & ASSOCIATES	13F	Company	0.23%	157,046	$944,000	—	31 Mar 2015	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	0.22%	147,274	$885,000	—	31 Mar 2015	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.16%	109,228	$656,000	—	31 Mar 2015	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.16%	107,293	$645,000	—	31 Mar 2015	13F
AWM Investment Company, Inc.	13F	Company	0.15%	100,000	$601,000	—	31 Mar 2015	13F
Invesco Ltd.	13F	Company	0.14%	93,520	$562,000	—	31 Mar 2015	13F
GOLDEN GATE PRIVATE EQUITY, INC.	13F	Company	0.21%	143,083	$560,000	—	31 Mar 2015	13F
DEUTSCHE BANK AG\	13F	Company	0.14%	93,500	$560,000	—	31 Mar 2015	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.14%	91,617	$551,000	—	31 Mar 2015	13F
RHUMBLINE ADVISERS	13F	Company	0.13%	87,763	$527,000	—	31 Mar 2015	13F
STONEBRIDGE CAPITAL MANAGEMENT INC	13F	Company	0.13%	85,958	$517,000	—	31 Mar 2015	13F

Institutional Holders of Great Lakes Dredge & Dock CORP - Common Stock (GLDD) as of Q2 2015

As of 30 Jun 2015, Great Lakes Dredge & Dock CORP - Common Stock (GLDD) was held by 91 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 51,808,490 shares. The largest 10 holders included JENNISON ASSOCIATES LLC, Boston Partners, DIMENSIONAL FUND ADVISORS LP, RUTABAGA CAPITAL MANAGEMENT LLC/MA, WELLINGTON MANAGEMENT GROUP LLP, SEGALL BRYANT & HAMILL, LLC, VANGUARD GROUP INC, AMERICAN CENTURY COMPANIES INC, BlackRock Institutional Trust Company, N.A., and BlackRock Fund Advisors. This page lists 91 institutional shareholders reporting positions in this security for the Q2 2015 filing period.

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

Compare Q2 2015 vs Q1 2015 Across Filers

Q1 2015 holders

104

Q2 2015 holders

Holder diff

-13

Investor	Q1 2015 Shares	Q2 2015 Shares	Share Diff	Share Chg %	Q1 2015 Value $	Q2 2015 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.