FAIRFAX FINANCIAL HOLDINGS LTD/ CAN - 13 May 2026 SCHEDULE 13D/A Report for Under Armour, Inc. Class A Common Stock ("Class A Shares") (UAA)

Filing manager
FAIRFAX FINANCIAL HOLDINGS LTD/ CAN
Reporting owner
V. PREM WATSA
Security
Under Armour, Inc. Class A Common Stock ("Class A Shares")
Beneficially owned shares
45,300,872 shares
Ownership signal CIK-linked ownership evidence from parsed SEC filings. 2 signals
Large-stake signal

Form

SCHEDULE 13D/A

Active or control-oriented beneficial ownership filing.

Ownership

24%

Beneficial ownership of this reported class.

Shares

45,300,872 shares

Shares beneficially owned as disclosed.

Event date

13 May 2026

Date tied to the ownership event or amendment.

Accepted by SEC

15 May 2026

EDGAR acceptance date.

How to read this large-stake filing
  • Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
  • Compare this filing with the holder history and issuer page before treating the percentage as a current position.
  • Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
Class ownership
24%
Subject security Names, identifiers, and filing context for this profile. 2 source fields
Symbol
UAA
Shares outstanding
188,753,633 shares
Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
SCHEDULE 13D/A
Accepted by SEC
15 May 2026, 20:35:02 UTC
Event date
13 May 2026
Prior SEC filing
05 Jan 2026
Source filing
View source filing

Key filing fact

FAIRFAX FINANCIAL HOLDINGS LTD/ CAN disclosed 24% ownership in Under Armour, Inc. Class A Common Stock ("Class A Shares") (UAA) on 13 May 2026.

Key facts

  • FAIRFAX FINANCIAL HOLDINGS LTD/ CAN filed SCHEDULE 13D/A for Under Armour, Inc. Class A Common Stock ("Class A Shares") (UAA).
  • Disclosed ownership: 24%.
  • Date of event: 13 May 2026.

Change

  • Previous schedule filing date: 05 Jan 2026.
  • Current filing was accepted on 15 May 2026, 20:35.

Research use

  • This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
  • Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.

Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

View source filing

Reporting persons

Disclosed reporting parties (31)

Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name Ownership Shares owned Sole voting power Shared voting power Signature Title CIK
V. PREM WATSA 24% 45,300,872 0 45,300,872 /s/ V. Prem Watsa V. Prem Watsa 0000938869
THE SECOND 810 HOLDCO LTD. 24% 45,300,872 0 45,300,872 /s/ V. Prem Watsa V. Prem Watsa, Director
THE SECOND 1109 HOLDCO LTD. 24% 45,300,872 0 45,300,872 /s/ V. Prem Watsa V. Prem Watsa, President
THE SIXTY TWO INVESTMENT COMPANY LIMITED 24% 45,300,872 0 45,300,872 /s/ V. Prem Watsa V. Prem Watsa, President 0001217251
FAIRFAX FINANCIAL HOLDINGS LIMITED 24% 45,300,872 0 45,300,872 /s/ Peter Clarke Peter Clarke, President and Chief Operating Officer 0000915191
FFHL GROUP LTD. 18% 34,077,356 0 34,077,356 /s/ V. Prem Watsa V. Prem Watsa, President 0001275984
FAIRFAX (BARBADOS) INTERNATIONAL CORP. 0% 60,950 0 60,950 /s/ Peter Clarke Peter Clarke, Attorney-In-Fact 0001450019
WENTWORTH INSURANCE COMPANY LTD. 0% 60,950 0 60,950 /s/ Peter Clarke Peter Clarke, Attorney-In-Fact
FAIRFAX (US) INC. 16% 31,098,326 0 31,098,326 /s/ Peter Clarke Peter Clarke, Attorney-In-Fact 0001275996
ODYSSEY GROUP HOLDINGS, INC. 6% 11,280,564 0 11,280,564 /s/ Peter Clarke Peter Clarke, Attorney-In-Fact
ODYSSEY REINSURANCE COMPANY 6% 11,280,564 0 11,280,564 /s/ Peter Clarke Peter Clarke, Attorney-In-Fact 0001243947
HUDSON INSURANCE COMPANY 0.1% 265,190 0 265,190 /s/ Peter Clarke Peter Clarke, Attorney-In-Fact
HUDSON EXCESS INSURANCE COMPANY 0.1% 167,670 0 167,670 /s/ Peter Clarke Peter Clarke, Attorney-In-Fact
ZENITH NATIONAL INSURANCE CORP. 0% 75,440 0 75,440 /s/ Peter Clarke Peter Clarke, Attorney-In-Fact 0000109261
ZENITH INSURANCE COMPANY 0% 75,440 0 75,440 /s/ Peter Clarke Peter Clarke, Attorney-In-Fact 0001499301
CRUM & FORSTER HOLDINGS CORP. 10% 19,742,322 0 19,742,322 /s/ Peter Clarke Peter Clarke, Attorney-In-Fact 0001168338
UNITED STATES FIRE INSURANCE COMPANY 10% 19,742,322 0 19,742,322 /s/ Peter Clarke Peter Clarke, Attorney-In-Fact 0000101618
THE NORTH RIVER INSURANCE COMPANY 2.6% 4,862,016 0 4,862,016 /s/ Peter Clarke Peter Clarke, Attorney-In-Fact 0001276001
FAIRFAX UK HOLDINGS LIMITED 1.5% 2,918,080 0 2,918,080 /s/ Gavin Wilkinson Gavin Wilkinson, Group Chief Financial Officer
BRIT GROUP HOLDINGS LIMITED 1.5% 2,918,080 0 2,918,080 /s/ Gavin Wilkinson Gavin Wilkinson, Group Chief Financial Officer
BRIT INSURANCE HOLDINGS LIMITED 1.5% 2,918,080 0 2,918,080 /s/ Gavin Wilkinson Gavin Wilkinson, Group Chief Financial Officer
BRIT REINSURANCE (BERMUDA) LIMITED 1.5% 2,918,080 0 2,918,080 /s/ Gavin Wilkinson Gavin Wilkinson, Group Chief Financial Officer
1102952 B.C. UNLIMITED LIABILITY COMPANY 5.9% 11,223,516 0 11,223,516 /s/ Peter Clarke Peter Clarke, Attorney-In-Fact
ALLIED WORLD ASSURANCE COMPANY HOLDINGS, LTD 5.9% 11,223,516 0 11,223,516 /s/ Peter Clarke Peter Clarke, Attorney-In-Fact 0002060257
ALLIED WORLD ASSURANCE COMPANY HOLDINGS I, LTD 5.9% 11,223,516 0 11,223,516 /s/ Peter Clarke Peter Clarke, Attorney-In-Fact
ALLIED WORLD ASSURANCE COMPANY, LTD 5.9% 11,223,516 0 11,223,516 /s/ Peter Clarke Peter Clarke, Attorney-In-Fact
ALLIED WORLD ASSURANCE HOLDINGS (IRELAND) LTD 4.5% 8,408,214 0 8,408,214 /s/ Peter Clarke Peter Clarke, Attorney-In-Fact
ALLIED WORLD ASSURANCE HOLDINGS (U.S.) INC. 4.5% 8,408,214 0 8,408,214 /s/ Peter Clarke Peter Clarke, Attorney-In-Fact
ALLIED WORLD INSURANCE COMPANY 4.5% 8,408,214 0 8,408,214 /s/ Peter Clarke Peter Clarke, Attorney-In-Fact
AW UNDERWRITERS INC. 0.3% 624,950 0 624,950 /s/ Peter Clarke Peter Clarke, Attorney-In-Fact
ALLIED WORLD SPECIALTY INSURANCE COMPANY 0.3% 624,950 0 624,950 /s/ Peter Clarke Peter Clarke, Attorney-In-Fact
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