Comparable stake leader
WELLINGTON MANAGEMENT GROUP LLP
SEC ownership of Hamilton Insurance Group, Ltd.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001593275.
Disclosed value leader
Magnitude Capital, LLC
Comparable rows
1/50
Latest evidence
10 Sep 2026
- Public ticker
- HG on NYSE
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
WELLINGTON MANAGEMENT GROUP LLP
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
1 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
WELLINGTON MANAGEMENT GROUP LLP
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
10 Sep 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001593275
- Issuer location
- Pembroke, Bermuda
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Hamilton Insurance Group, Ltd. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
WELLINGTON MANAGEMENT GRO...
Disclosed value leader
Magnitude Capital, LLC
Comparable rows
1/50
Latest evidence
10 Sep 2026
13F
13D/G
3/4/5
Lead comparable stake: 8.7%
49 rows are not safely comparable across share classes.
13D/G row: WELLINGTON MANAGEMENT GROUP LLP
Showing 1-8 of 50 holder rows.
Quick read
WELLINGTON MANAGEMENT GROUP LLP leads the comparable SEC ownership view at 8.7%.
1 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens WELLINGTON MANAGEMENT GROUP LLP's linked filing trail.
Comparable ownership
Top 1
WELLINGTON MANAGEMENT GROUP LLP
8.7%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| WELLINGTON MANAGEMENT GROUP LLP |
13F
13D/G
Company
|
8.7%
Reported 13D/G
· 30 Jun 2026
|
$196,093,577
5,777,654 shares
|
— | 30 Jun 2026 |
| Magnitude Capital, LLC |
13F
3/4/5
Company · 10%+ Owner
|
—
denominator unverified
|
$512,390,144
15,096,940 shares
|
— | 30 Jun 2026 |
| Hamilton Investments, LP |
3/4/5
10%+ Owner
|
—
mixed-class rows
|
$70,001,184
14,190,860 shares
mixed-class rows
|
— | 14 Nov 2023 |
| BlackRock, Inc. |
13F
Company
|
—
denominator unverified
|
$105,886,656
3,119,819 shares
|
— | 30 Jun 2026 |
| Nuveen, LLC |
13F
Company
|
—
denominator unverified
|
$80,452,496
2,370,433 shares
|
— | 30 Jun 2026 |
| MORGAN STANLEY |
13F
Company
|
—
denominator unverified
|
$70,411,396
2,074,583 shares
|
— | 30 Jun 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
—
denominator unverified
|
$60,093,102
1,770,536 shares
|
— | 30 Jun 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
Company
|
—
denominator unverified
|
$50,868,424
1,498,775 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$6,476,847.
Buys
$3,070
Insiders: 1
Sells
$6,479,917
Insiders: 5
Net
-$6,476,847
Shares: -195,356
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 99
Shares: 195,455
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 107,000 | $0 | $3,778,979 | -$3,778,979 |
| 3-6 | 0 | 70,105 | $0 | $2,220,300 | -$2,220,300 |
| 6-9 | 99 | 0 | $3,070 | $0 | +$3,070 |
| 9-12 | 0 | 18,350 | $0 | $480,638 | -$480,638 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 37 reporting-owner rows connected to Hamilton Insurance Group, Ltd.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
37
Largest Forms 3/4/5 holder
Hamilton Investments, LP
Net 12M change
-$6,476,847
Latest report
10 Sep 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Hamilton Investments, LP | 10%+ Owner | $70,001,184 | Mixed | 14 Nov 2023 | ||
| Giuseppina Albo | Chief Executive Officer, Director | $42,751,299 | Mixed | 13 Aug 2026 | ||
| David A. Brown | Director | $18,193,573 | -$3,409,985 | -16% | Mixed | 03 Sep 2026 |
| Craig Howie | Chief Financial Officer | $8,219,848 | Mixed | 02 Mar 2026 | ||
| Timothy James Duffin | Chief Underwriting Officer | $6,762,562 | -$1,972,764 | -23% | Filing P/S | 10 Sep 2026 |
| Adrian Joseph Daws | CEO, Hamilton Re | $6,234,003 | Mixed | 02 Mar 2026 | ||
| Gemma Elizabeth Carreiro | Group General Counsel | $5,548,802 | Mixed | 02 Mar 2026 | ||
| William C. Freda | Director | $4,983,607 | Mixed | 13 Jun 2024 | ||
| Megan Jane Graves | CEO, Hamilton Re | $3,216,796 | Mixed | 13 Aug 2025 | ||
| Alexander James Baker | CEO, Hamilton Global Specialty | $3,210,571 | -$480,638 | -13% | Mixed | 02 Mar 2026 |
| Daniel Mark Fisher | Group Head of HR & Comm. | $3,093,374 | Mixed | 02 Mar 2026 | ||
| Russell P. Fradin | Director | $2,671,131 | Mixed | 01 Mar 2024 | ||
| Anita Breslin Kuchma | CEO, Hamilton Select | $2,598,882 | Mixed | 02 Mar 2026 | ||
| Chad Allan Cundliffe | Group Treasurer | $2,405,576 | Mixed | 01 Mar 2024 | ||
| Brian John Deegan | Group Chief Accounting Officer | $2,189,989 | -$337,644 | -13% | Filing P/S | 05 May 2026 |
| Marvin Pestcoe | Director | $2,044,786 | Mixed | 05 May 2026 | ||
| Venkatanarayanan Krishnamoorthy | Group CTO and Group CDO | $2,022,254 | Mixed | 15 Aug 2025 | ||
| Doreen Pauline Elizabeth Richards | Director | $1,690,157 | Mixed | 01 Mar 2024 | ||
| Alan Neil Patterson | Director | $1,611,113 | Mixed | 05 May 2026 | ||
| Keith Donald Bernhard | Group Chief Audit Officer | $1,466,521 | Mixed | 05 Sep 2025 |
Recent insider transactions for Hamilton Insurance Group, Ltd.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Timothy James Duffin | HG | Class B Common Shares | Sale | -12.8% | $988,582 | $34.69 | -28,500 | 194,959 | 11 Sep 2026 | Direct |
| Timothy James Duffin | HG | Class B Common Shares | Sale | -11.3% | $984,182 | $34.53 | -28,500 | 223,459 | 10 Sep 2026 | Direct |
| David A. Brown | HG | Class B Common Shares | Sale | -11.1% | $1,806,215 | $36.12 | -50,000 | 400,000 | 03 Sep 2026 | By Leyton Ltd. |
| Giuseppina Albo | HG | Class B Common Shares | Gift | -100% | -100,430 | 0 | 13 Aug 2026 | By Spouse | ||
| Giuseppina Albo | HG | Class B Common Shares | Gift | 100,430 | 100,430 | 13 Aug 2026 | By Spouse | |||
| Giuseppina Albo | HG | Class B Common Shares | Gift | -16.9% | -200,860 | 985,815 | 13 Aug 2026 | Direct | ||
| David A. Brown | HG | Class B Common Shares | Sale | -7.65% | $1,199,654 | $32.16 | -37,300 | 450,000 | 18 May 2026 | By Leyton Ltd. |
| David A. Brown | HG | Class B Common Shares | Sale | -2.54% | $404,117 | $31.82 | -12,700 | 487,300 | 15 May 2026 | By Leyton Ltd. |
| Jonathan B. Levenson | HG | Class B Common Shares | Sale | -13.3% | $185,956 | $30.61 | -6,075 | 39,629 | 13 May 2026 | Direct |
| Jonathan B. Levenson | HG | Class B Common Shares | Sale | -6.22% | $92,930 | $30.67 | -3,030 | 45,704 | 08 May 2026 | Direct |
| Therese M. Vaughan | HG | Class B Common Shares | Award | 23.6% | 4,929 | 25,821 | 05 May 2026 | Direct | ||
| Alan Neil Patterson | HG | Class B Common Shares | Award | 30.5% | 4,929 | 21,071 | 05 May 2026 | Direct | ||
| Brian John Deegan | HG | Class B Common Shares | Sale | -13.4% | $337,644 | $30.69 | -11,000 | 71,347 | 05 May 2026 | Direct |
| Marvin Pestcoe | HG | Class B Common Shares | Award | 7.75% | 4,929 | 68,548 | 05 May 2026 | Direct | ||
| Everard Barclay Simmons | HG | Class B Common Shares | Award | 27.4% | 4,929 | 22,952 | 05 May 2026 | Direct | ||
| David A. Brown | HG | Class B Common Shares | Award | 4.68% | 4,929 | 110,308 | 05 May 2026 | Direct | ||
| Peter W. Wilson | HG | Class B Common Shares | Award | 4,929 | 4,929 | 05 May 2026 | Direct | |||
| Anu Karna | HG | Class B Common Shares | Award | 28.8% | 4,929 | 22,012 | 05 May 2026 | Direct | ||
| John J. Gauthier | HG | Class B Common Shares | Award | 18.2% | 4,929 | 32,012 | 05 May 2026 | Direct | ||
| David Priebe | HG | Class B Common Shares | Award | 68.6% | 4,929 | 12,116 | 05 May 2026 | Direct | ||
| Karen Ann Green | HG | Class B Common Shares | Tax liability | -27.9% | -3,378 | 8,738 | 05 May 2026 | Direct | ||
| Karen Ann Green | HG | Class B Common Shares | Award | 68.6% | 4,929 | 12,116 | 05 May 2026 | Direct | ||
| Bradley E. Cooper | HG | Class B Common Shares | Purchase | $3,070 | $31.01 | 99 | 99 | 08 Apr 2026 | Direct | |
| Adrian Joseph Daws | HG | Class B Common Shares | Award | 10.4% | 20,000 | 212,547 | 02 Mar 2026 | Direct | ||
| Adrian Joseph Daws | HG | Class B Common Shares | Tax liability | -2.38% | -4,699 | 192,547 | 02 Mar 2026 | Direct | ||
| Russell John Buckley | HG | Class B Common Shares | Award | 6,874 | 6,874 | 02 Mar 2026 | Direct | |||
| Timothy James Duffin | HG | Class B Common Shares | Award | 5.37% | 12,832 | 251,959 | 02 Mar 2026 | Direct | ||
| Brian John Deegan | HG | Class B Common Shares | Award | 15.8% | 11,260 | 82,347 | 02 Mar 2026 | Direct | ||
| Craig Howie | HG | Class B Common Shares | Award | 13% | 32,472 | 282,372 | 02 Mar 2026 | Direct | ||
| Craig Howie | HG | Class B Common Shares | Tax liability | -4.48% | -11,729 | 249,900 | 02 Mar 2026 | Direct | ||
| Anita Breslin Kuchma | HG | Class B Common Shares | Award | 11.5% | 9,198 | 89,278 | 02 Mar 2026 | Direct | ||
| Anita Breslin Kuchma | HG | Class B Common Shares | Tax liability | -2.67% | -2,198 | 80,080 | 02 Mar 2026 | Direct | ||
| Alexander James Baker | HG | Class B Common Shares | Award | 14.8% | 14,245 | 110,291 | 02 Mar 2026 | Direct | ||
| Raymond Karrenbauer | HG | Class B Common Shares | Award | 8,428 | 8,428 | 02 Mar 2026 | Direct | |||
| Jonathan B. Levenson | HG | Class B Common Shares | Award | 17% | 7,070 | 48,734 | 02 Mar 2026 | Direct | ||
| Jonathan B. Levenson | HG | Class B Common Shares | Tax liability | -5.69% | -2,512 | 41,664 | 02 Mar 2026 | Direct | ||
| Daniel Mark Fisher | HG | Class B Common Shares | Award | 11.4% | 10,882 | 106,265 | 02 Mar 2026 | Direct | ||
| Daniel Mark Fisher | HG | Class B Common Shares | Tax liability | -3.02% | -2,970 | 95,383 | 02 Mar 2026 | Direct | ||
| Gemma Elizabeth Carreiro | HG | Class B Common Shares | Award | 9.64% | 16,760 | 190,615 | 02 Mar 2026 | Direct | ||
| Giuseppina Albo | HG | Class B Common Shares | Award | 7.33% | 81,015 | 1,186,675 | 02 Mar 2026 | Direct | ||
| Giuseppina Albo | HG | Class B Common Shares | Tax liability | -3.31% | -37,818 | 1,105,660 | 02 Mar 2026 | Direct | ||
| Anita Breslin Kuchma | HG | Class B Common Shares | Tax liability | -8.13% | -7,286 | 82,278 | 24 Feb 2026 | Direct | ||
| Anita Breslin Kuchma | HG | Class B Common Shares | Award | 29.5% | 20,408 | 89,564 | 24 Feb 2026 | Direct | ||
| Craig Howie | HG | Class B Common Shares | Tax liability | -11.6% | -34,374 | 261,629 | 24 Feb 2026 | Direct | ||
| Craig Howie | HG | Class B Common Shares | Award | 41.9% | 87,464 | 296,003 | 24 Feb 2026 | Direct | ||
| Gemma Elizabeth Carreiro | HG | Class B Common Shares | Award | 14.8% | 22,448 | 173,855 | 24 Feb 2026 | Direct | ||
| Daniel Mark Fisher | HG | Class B Common Shares | Tax liability | -8.04% | -8,594 | 98,353 | 24 Feb 2026 | Direct | ||
| Daniel Mark Fisher | HG | Class B Common Shares | Award | 20.6% | 18,284 | 106,947 | 24 Feb 2026 | Direct | ||
| Alexander James Baker | HG | Class B Common Shares | Tax liability | -11.4% | -12,394 | 96,046 | 24 Feb 2026 | Direct | ||
| Alexander James Baker | HG | Class B Common Shares | Award | 32.1% | 26,370 | 108,440 | 24 Feb 2026 | Direct |
* marks a reported price that did not pass the local price check.