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 Q1 2021?

141 institutional investors reported GLDD - Great Lakes Dredge & Dock CORP - Common Stock for Q1 2021. Use the holders table for investor-level position and value details.

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

CUSIP: 390607109

Q1 2021 13F Holders as of 31 Mar 2021

Type / Class: Equity / Common Stock
Shares outstanding: 67,018,110
Total 13F shares: 55,578,762
Share change: +284,064
Total reported value: $810,681,893
Put/Call ratio: 156%
Price per share: $14.58
Number of holders: 141
Value change: +$10,042,797
Number of buys: 63
Number of sells: 83

Quarterly Holders Quick Answers

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

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

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.
Back to full security ownership history.

Explore More Reporting Periods

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

Newer quarter: Q2 2021
Previous quarter: Q4 2020

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	7.6%	5,063,558	$66,687,000	—	31 Dec 2020	13F
BlackRock Finance, Inc.	13F	Company	7.5%	4,997,232	$65,814,000	—	31 Dec 2020	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	7.3%	4,877,453	$64,236,000	—	31 Dec 2020	13F
VANGUARD GROUP INC	13F	Company	5.2%	3,470,667	$45,709,000	—	31 Dec 2020	13F
ASHFORD CAPITAL MANAGEMENT INC	13F	Company	4.9%	3,302,605	$43,495,000	—	31 Dec 2020	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	3.5%	2,324,401	$30,612,000	—	31 Dec 2020	13F
NEUMEIER POMA INVESTMENT COUNSEL LLC	13F	Company	3.2%	2,176,230	$28,661,000	—	31 Dec 2020	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	2.3%	1,568,483	$20,657,000	—	31 Dec 2020	13F
D. E. Shaw & Co., Inc.	13F	Company	2.1%	1,433,836	$18,883,000	—	31 Dec 2020	13F
ROYCE & ASSOCIATES LP	13F	Company	2%	1,320,203	$17,387,000	—	31 Dec 2020	13F
STATE STREET CORP	13F	Company	1.9%	1,283,214	$16,900,000	—	31 Dec 2020	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.6%	1,088,420	$14,334,000	—	31 Dec 2020	13F
Minerva Advisors LLC	13F	Company	1.6%	1,058,093	$13,945,000	—	31 Dec 2020	13F
TCW GROUP INC	13F	Company	1.5%	981,627	$12,928,000	—	31 Dec 2020	13F
Encompass Capital Advisors LLC	13F	Company	1.4%	917,067	$12,078,000	—	31 Dec 2020	13F
Nuveen Asset Management, LLC	13F	Company	1.4%	913,069	$12,026,000	—	31 Dec 2020	13F
FORT WASHINGTON INVESTMENT ADVISORS INC /OH/	13F	Company	1.4%	911,836	$12,009,000	—	31 Dec 2020	13F
NORTHERN TRUST CORP	13F	Company	1.1%	718,816	$9,467,000	—	31 Dec 2020	13F
Walthausen & Co., LLC	13F	Company	1%	682,337	$8,986,000	—	31 Dec 2020	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.94%	627,673	$8,267,000	—	31 Dec 2020	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	0.86%	578,295	$7,616,000	—	31 Dec 2020	13F
PRIVATE MANAGEMENT GROUP INC	13F	Company	0.83%	558,956	$7,361,000	—	31 Dec 2020	13F
JPMORGAN CHASE & CO	13F	Company	0.82%	552,897	$7,281,000	—	31 Dec 2020	13F
Russell Investments Group, Ltd.	13F	Company	0.79%	526,900	$6,938,000	—	31 Dec 2020	13F
Rock Point Advisors, LLC	13F	Company	0.78%	521,835	$6,873,000	—	31 Dec 2020	13F
Harvey Partners, LLC	13F	Company	0.76%	512,500	$6,749,000	—	31 Dec 2020	13F
KENNEDY CAPITAL MANAGEMENT LLC	13F	Company	0.73%	490,695	$6,462,000	—	31 Dec 2020	13F
DALTON GREINER HARTMAN MAHER & CO	13F	Company	0.68%	454,780	$5,989,000	—	31 Dec 2020	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.67%	448,470	$5,906,000	—	31 Dec 2020	13F
Bank of New York Mellon Corp	13F	Company	0.66%	444,794	$5,858,000	—	31 Dec 2020	13F
Impax Asset Management Group plc	13F	Company	0.65%	434,453	$5,722,000	—	31 Dec 2020	13F
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	13F	Company	0.65%	432,900	$5,701,000	—	31 Dec 2020	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.64%	428,772	$5,647,000	—	31 Dec 2020	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.64%	427,151	$5,626,000	—	31 Dec 2020	13F
LONDON CO OF VIRGINIA	13F	Company	0.61%	406,105	$5,348,000	—	31 Dec 2020	13F
Foundry Partners, LLC	13F	Company	0.56%	376,110	$4,953,000	—	31 Dec 2020	13F
KESTREL INVESTMENT MANAGEMENT CORP	13F	Company	0.55%	371,100	$4,887,000	—	31 Dec 2020	13F
Hillsdale Investment Management Inc.	13F	Company	0.51%	338,500	$4,459,000	—	31 Dec 2020	13F
Brandywine Global Investment Management, LLC	13F	Company	0.49%	327,405	$4,312,000	—	31 Dec 2020	13F
WYNNEFIELD CAPITAL INC	13F	Company	0.48%	320,730	$4,224,000	—	31 Dec 2020	13F
Invesco Ltd.	13F	Company	0.45%	300,547	$3,959,000	—	31 Dec 2020	13F
LOS ANGELES CAPITAL MANAGEMENT LLC	13F	Company	0.42%	280,857	$3,699,000	—	31 Dec 2020	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.35%	234,886	$3,093,000	—	31 Dec 2020	13F
GLOBEFLEX CAPITAL L P	13F	Company	0.31%	205,671	$2,709,000	—	31 Dec 2020	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	0.3%	201,996	$2,660,000	—	31 Dec 2020	13F
State of New Jersey Common Pension Fund D	13F	Company	0.29%	194,256	$2,558,000	—	31 Dec 2020	13F
IMA Advisory Services, Inc.	13F	Company	0.28%	185,717	$2,446,000	—	31 Dec 2020	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	0.27%	178,340	$2,350,000	—	31 Dec 2020	13F
Euclidean Technologies Management, LLC	13F	Company	0.26%	174,145	$2,293,000	—	31 Dec 2020	13F
SEI INVESTMENTS CO	13F	Company	0.25%	169,122	$2,227,000	—	31 Dec 2020	13F

Institutional Holders of Great Lakes Dredge & Dock CORP - Common Stock (GLDD) as of Q1 2021

As of 31 Mar 2021, Great Lakes Dredge & Dock CORP - Common Stock (GLDD) was held by 141 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 55,578,762 shares. The largest 10 holders included BlackRock Inc., JENNISON ASSOCIATES LLC, DIMENSIONAL FUND ADVISORS LP, VANGUARD GROUP INC, ASHFORD CAPITAL MANAGEMENT INC, FRANKLIN RESOURCES INC, Neumeier Poma Investment Counsel LLC, RENAISSANCE TECHNOLOGIES LLC, INVESTMENT COUNSELORS OF MARYLAND LLC, and D. E. Shaw & Co., Inc.. This page lists 141 institutional shareholders reporting positions in this security for the Q1 2021 filing period.

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

Compare Q1 2021 vs Q4 2020 Across Filers

Q4 2020 holders

140

Q1 2021 holders

141

Holder diff

Investor	Q4 2020 Shares	Q1 2021 Shares	Share Diff	Share Chg %	Q4 2020 Value $	Q1 2021 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.