Prudential Financial, Inc. filed an Amendment No. 20 to a Schedule 13G/A reporting beneficial ownership of 1,226,033 shares of Great Lakes Dredge & Dock Co Common stock, representing 1.8% of the class. The filing attributes shared voting power of 1,201,902 shares and lists subsidiary holders and their reported allocations.
Positive
None.
Negative
None.
Insights
Prudential reports a 1.8% passive stake through multiple subsidiaries.
Prudential Financial, Inc. reports beneficial ownership of 1,226,033 shares with 1,201,902 shares of shared voting power. The position is held indirectly through named subsidiaries including Jennison Associates LLC and PGIM Quantitative Solutions LLC.
Filing classifies the holding under Schedule 13G/A, indicating a passive investment intent; subsequent filings would show any change in classification or voting/control actions.
Shared voting/dispositive power and parent/subsidiary mapping are documented.
The filing attributes shared dispositive power of 1,226,033 shares to Prudential as parent holding company and itemizes subsidiary allocations (e.g., Jennison Associates LLC holds 1,029,264 shares). This clarifies which entities exercise influence.
Any material change in voting intent or ownership threshold would require amendment; current disclosure shows passive ownership under the Schedule 13G/A framework.
Key Figures
Beneficially owned:1,226,033 sharesPercent of class:1.8%Shared voting power:1,201,902 shares+3 more
6 metrics
Beneficially owned1,226,033 sharesreported on Schedule 13G/A
Percent of class1.8%percent of common stock
Shared voting power1,201,902 sharesshared power to vote as reported
Jennison Associates LLC holding1,029,264 sharessubsidiary allocation listed in Item 7
Filing signature date05/08/2026signature date on amendment
Key Terms
Schedule 13G/A, Beneficially owned, Shared Dispositive Power, Parent Holding Company
4 terms
Schedule 13G/Aregulatory
"Amendment No. 20 to a Schedule 13G/A reporting beneficial ownership"
A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.
Beneficially ownedregulatory
"Amount beneficially owned: 1,226,033.00"
Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.
Shared Dispositive Powerregulatory
"Shared power to dispose or to direct the disposition of: 1,226,033.00"
Parent Holding Companycorporate
"Prudential Financial, Inc. is a Parent Holding Company and the indirect parent"
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 20)
GREAT LAKES DREDGE & DOCK CO
(Name of Issuer)
Common
(Title of Class of Securities)
390607109
(CUSIP Number)
03/31/2026
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
schemaVersion:
SCHEDULE 13G
CUSIP Number(s):
390607109
1
Names of Reporting Persons
PRUDENTIAL FINANCIAL INC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
NEW JERSEY
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
1,201,902.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
1,226,033.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,226,033.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
1.8 %
12
Type of Reporting Person (See Instructions)
HC
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
GREAT LAKES DREDGE & DOCK CO
(b)
Address of issuer's principal executive offices:
GREAT LAKES DREDGE & DOCK CORP, 2122 YORK RD, OAK BROOK, ILLINOIS, 60521.
Item 2.
(a)
Name of person filing:
Prudential Financial, Inc.
(b)
Address or principal business office or, if none, residence:
751 Broad Street
Newark, New Jersey 07102-3777
(c)
Citizenship:
New Jersey
(d)
Title of class of securities:
Common
(e)
CUSIP No.:
390607109
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
1,226,033.00
(b)
Percent of class:
1.8 %
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
0
(ii) Shared power to vote or to direct the vote:
1,201,902.00
(iii) Sole power to dispose or to direct the disposition of:
0
(iv) Shared power to dispose or to direct the disposition of:
1,226,033.00
Item 5.
Ownership of 5 Percent or Less of a Class.
Ownership of 5 percent or less of a class
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
Not Applicable
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary.
Prudential Financial, Inc. is a Parent Holding Company and the indirect parent of the following subsidiaries, who are the beneficial owners of the number and percentage of securities which are the subject of this filing as set forth next to their names:
Subsidiaries Number of shares Percentage
Jennison Associates LLC IA 1,029,264.00 1.5
The Prudential Insurance Company of America IC 6,658.00 0.0
PGIM Quantitative Solutions LLC IA 190,030.00 0.3
PGIM, Inc. IA 81.00 0.0
Item 8.
Identification and Classification of Members of the Group.
Not Applicable
Item 9.
Notice of Dissolution of Group.
Not Applicable
Item 10.
Certifications:
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
What stake does Prudential Financial (PFH) report in Great Lakes Dredge & Dock?
Prudential reports beneficial ownership of 1,226,033 shares, equal to 1.8% of the common stock. The filing shows shared voting power of 1,201,902 shares and lists subsidiary allocations that comprise the total position.
Does the Schedule 13G/A indicate Prudential has control over PFH voting?
The filing reports shared voting power of 1,201,902 shares, not sole voting control. The Schedule 13G/A classification signals a passive investor posture rather than an intention to control or influence management decisions.
Which Prudential subsidiaries are named as holders in the filing for PFH?
The amendment lists subsidiaries and their shares: Jennison Associates LLC1,029,264; PGIM Quantitative Solutions LLC190,030; and other small allocations including The Prudential Insurance Company of America and PGIM, Inc..
When was the Schedule 13G/A amendment signed and filed for PFH?
The filing is signed on 05/08/2026 by a Prudential officer as indicated. It is labeled Amendment No. 20 and updates the reported beneficial ownership and subsidiary allocation details in the Schedule 13G/A.
