Wellington reports 6.19% stake in Hamilton Insurance

Hamilton Insurance Group, Ltd. reports that Wellington Management Group LLP and affiliated entities beneficially own 6.19% of the company's common stock as reflected on 03/31/2026.

Accepted by SEC EDGAR 05/15/2026 - 07:24 AM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Hamilton Insurance Group, Ltd. reports that Wellington Management Group LLP and affiliated entities beneficially own 6.19% of the company's common stock as reflected on 03/31/2026. The filing lists shared dispositive power of 4,144,257 shares and shared voting power of 2,688,619 shares across the Wellington entities.

The Schedule 13G/A shows the ownership is held of record by clients of Wellington Investment Advisers and identifies the chain of control among Wellington affiliates. The cover pages name four filers and provide addresses and citizenship information for each filer.

Insights

Institutional Ownership Analyst

Wellington reports a meaningful passive stake of 6.19% held on behalf of advisory clients.

The filing lists a 6.19% beneficial ownership position with 4,144,257 shares of shared dispositive power and 2,688,619 shares of shared voting power as of 03/31/2026. The position is recorded as held by clients of the Wellington Investment Advisers and attributed through a chain of holding entities.

Future filings may disclose changes; cash‑flow treatment and intentions (passive vs. active) are described by the Schedule 13G/A classification rather than an S action. Timing and any trading intentions are not detailed in the provided excerpt.

Regulatory Filings Specialist

The Schedule 13G/A presentation follows passive investor reporting conventions and lists controlling affiliates.

The filing identifies four related filers and explains the ownership chain from Wellington Management Group LLP down to the named investment advisers. The document states that securities are owned of record by clients of those advisers and lists subsidiary classifications (e.g., "IA", "HC").

Any specific client-level holders >5% are denied in the excerpt. Subsequent amendments or Forms 13D/13G would be needed to show changes in intent or control.

Key Figures

Beneficial ownership: 6.19% Shared dispositive power: 4,144,257 shares Shared voting power: 2,688,619 shares +2 more

5 metrics

Beneficial ownership 6.19% Percent of class as reported in Item 4

Shared dispositive power 4,144,257 shares Shared dispositive power listed on cover pages

Shared voting power 2,688,619 shares Shared voting power listed on cover pages

Reporting date 03/31/2026 Date shown near header of the filing

CUSIP G42706104 CUSIP for Hamilton Insurance Group common stock

Key Terms

shared dispositive power, beneficially own, Investment Adviser (IA)

3 terms

shared dispositive power regulatory

"Shared Dispositive Power 4,144,257.00"

beneficially own regulatory

"Amount beneficially owned: See the responses to Item 9"

Beneficially own means having the economic rights and risks of a security—such as the right to receive dividends, sell the shares, or profit from price changes—whether or not your name appears on the official share register. Think of it like renting a car: you use it and reap the benefits even if the title lists someone else. Investors care because beneficial ownership determines who truly controls value, must be disclosed under securities rules, and can signal potential influence or trading activity that affects a stock’s price.

Investment Adviser (IA) regulatory

"Wellington Management Company LLP - IA"

An investment adviser (IA) is a person or firm that provides personalized guidance on buying, selling, or holding investments and often manages client portfolios for a fee. Investors should care because an IA has a legal duty to act in the client's best interest—think of them as a navigator who plans and steers your financial journey—so their advice, fee structure and potential conflicts can directly affect returns and financial risk.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What stake does Wellington Management report in Hamilton Insurance Group (HG)?

Wellington Management reports a 6.19% beneficial ownership stake in Hamilton Insurance Group, recorded on 03/31/2026. The filing attributes holdings to clients of Wellington Investment Advisers and affiliated holding entities.

How many shares does Wellington report with shared dispositive power?

The filing lists 4,144,257 shares as shares with shared dispositive power across Wellington entities. This figure is shown on the cover pages of the Schedule 13G/A.

How many shares does Wellington report with shared voting power?

Wellington reports 2,688,619 shares of shared voting power on the filing's cover pages, reflecting aggregated voting authority among the related filers.

Which Wellington entities filed the Schedule 13G/A for HG?

The filers named are Wellington Management Group LLP, Wellington Group Holdings LLP, Wellington Investment Advisors Holdings LLP, and Wellington Management Company LLP, with a Boston address listed.

Does the filing identify any client that owns >5% of HG?

The Schedule 13G/A states that no client is known to have the right to dividends or sale proceeds with respect to more than 5% of the class, except as expressly noted; the excerpt lists Not Applicable for such clients.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 2)

Hamilton Insurance Group, Ltd.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

G42706104

(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): G42706104

1

Names of Reporting Persons

Wellington Management Group LLP

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

MASSACHUSETTS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 2,688,619.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 4,144,257.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

4,144,257.00

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)

6.2 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

CUSIP Number(s): G42706104

1

Names of Reporting Persons

Wellington Group Holdings LLP

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

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 2,688,619.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 4,144,257.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

4,144,257.00

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)

6.2 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

CUSIP Number(s): G42706104

1

Names of Reporting Persons

Wellington Investment Advisors Holdings LLP

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

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 2,688,619.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 4,144,257.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

4,144,257.00

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)

6.2 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

CUSIP Number(s): G42706104

1

Names of Reporting Persons

Wellington Management Company LLP

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

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 2,650,679.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 3,580,993.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

4,144,257.00

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)

5.3 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Hamilton Insurance Group, Ltd.
(b)	Address of issuer's principal executive offices: Wellesley House North, 1st Floor, 90 Pitts Bay Road, Pembroke D0 HM08
Item 2.
(a)	Name of person filing: Wellington Management Group LLP Wellington Group Holdings LLP Wellington Investment Advisors Holdings LLP Wellington Management Company LLP
(b)	Address or principal business office or, if none, residence: c/o Wellington Management Company LLP, 280 Congress Street, Boston MA 02210
(c)	Citizenship: Wellington Management Group LLP - Massachusetts Wellington Group Holdings LLP - Delaware Wellington Investment Advisors Holdings LLP - Delaware Wellington Management Company LLP - Delaware
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: G42706104
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: See the responses to Item 9 on the attached cover pages.
(b)	Percent of class: 6.19 %
(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: See the responses to Item 6 on the attached cover pages.
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: See the responses to Item 8 on the attached cover pages.
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. The securities as to which this Schedule is filed are owned of record by clients of one or more investment advisers identified in Item 7 directly or indirectly owned by Wellington Management Group LLP. Those clients have the right to receive, or the power to direct the receipt of, dividends from, or the proceeds from the sale of, such securities. No such client is known to have such right or power with respect to more than five percent of this class of securities, except as follows: 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. Pursuant to the instructions in Item 7 of Schedule 13G, the following lists the identity and Item 3 classification of each relevant entity that beneficially owns shares of the security class being reported on this Schedule 13G. Wellington Group Holdings LLP - HC Wellington Investment Advisors LLP - HC Wellington Management Global Holdings, Ltd. - HC One or more of the following investment advisers (the "Wellington Investment Advisers"): Wellington Management Company LLP - IA Wellington Management Canada LLC - IA Wellington Management Singapore Pte Ltd - IA Wellington Management Hong Kong Ltd - IA Wellington Management International Ltd - IA Wellington Management Japan Pte Ltd - IA Wellington Management Australia Pty Ltd - IA The securities as to which this Schedule is filed by Wellington Management Group LLP, as parent holding company of certain holding companies and the Wellington Investment Advisers, are owned of record by clients of the Wellington Investment Advisers. Wellington Investment Advisors Holdings LLP controls directly, or indirectly through Wellington Management Global Holdings, Ltd., the Wellington Investment Advisers. Wellington Investment Advisors Holdings LLP is owned by Wellington Group Holdings LLP. Wellington Group Holdings LLP is owned by Wellington Management Group LLP.
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.

Wellington Management Group LLP

Signature:	Matthew Revell
Name/Title:	Compliance Manager
Date:	05/15/2026

Wellington Group Holdings LLP

Signature:	Matthew Revell
Name/Title:	Compliance Manager
Date:	05/15/2026

Wellington Investment Advisors Holdings LLP

Signature:	Matthew Revell
Name/Title:	Compliance Manager
Date:	05/15/2026

Wellington Management Company LLP

Signature:	Matthew Revell
Name/Title:	Compliance Manager
Date:	05/15/2026