Under Armour, Inc. (NYSE: UA), an SEC filer in Apparel & Other Finishd Prods of Fabrics & Similar Matl, closed at $4.94, -0.4%, on 2026-08-28, with a market cap of $2.1B as of 2026-08-27, a return on equity of -30.0%, a net margin of -10.0% and 3-year sales growth of -5.6%. Institutional ownership, earnings history and filed financials are on the tabs below.
| # | Holder | Shares | Value | % of shares out | Δ QoQ |
|---|---|---|---|---|---|
| 1 | BDT CAPITAL PARTNERS, LLCtracked | 65,050,73365.1M | $377M | 15.25% | — |
| 2 | FAIRFAX FINANCIAL HOLDINGS LTD/ CANtracked | 21,999,12822.0M | $127M | 5.16% | ADD 133% |
| 3 | BlackRock, Inc. | 16,725,84416.7M | $97M | 3.92% | — |
| 4 | DIMENSIONAL FUND ADVISORS LP | 11,518,41511.5M | $67M | 2.70% | ADD 7% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 7,777,5237.8M | $45M | 1.82% | NEW |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 6,616,4606.6M | $38M | 1.55% | NEW |
| 7 | STATE STREET CORP | 4,616,3644.6M | $27M | 1.08% | — |
| 8 | NEUBERGER BERMAN GROUP LLC | 4,003,2274.0M | $23M | 0.94% | ADD 6% |
| 9 | D. E. Shaw & Co., Inc. | 2,838,7172.8M | $16M | 0.67% | TRIM -7% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 2,676,4102.7M | $15M | 0.63% | ADD 5% |
Ranked by each filer’s own reported value, not shares.
3 holders — The filer reported no value for this line, so it carries no dollar figure and is left out of the percentage and value columns.
| Biggest buyers | Δ shares | Δ value | |
|---|---|---|---|
| FAIRFAX FINANCIAL HOLDINGS LTD/ CAN | +12,541,773 | $73M | ADD |
| VANGUARD CAPITAL MANAGEMENT LLC | +7,777,523 | $45M | OPEN |
| VANGUARD PORTFOLIO MANAGEMENT LLC | +6,616,460 | $38M | OPEN |
| HRT FINANCIAL LP | +1,598,688 | $9M | OPEN |
| VANGUARD FIDUCIARY TRUST CO | +1,207,479 | $7M | OPEN |
| Biggest sellers | Δ shares | Δ value | |
|---|---|---|---|
| VANGUARD GROUP INC | −15,729,586 | $91M | CLOSE |
| JANE STREET GROUP, LLC | −1,700,346 | $10M | TRIM |
| UBS Group AG | −1,326,048 | $8M | TRIM |
| PICTON MAHONEY ASSET MANAGEMENT | −833,125 | $5M | CLOSE |
| Quinn Opportunity Partners LLC | −828,518 | $5M | TRIM |
Prior quarter split-rebased · 13Fs are long, US-listed only.
| Holder | 2024-Q4 | 2025-Q1 | 2025-Q2 | 2025-Q3 | 2025-Q4 | 2026-Q1 | Latest value |
|---|---|---|---|---|---|---|---|
| BDT CAPITAL PARTNERS, LLCtracked | 52.4M | 59.6M | 62.5M | 65.1M | 65.1M | 65.1M | $377M |
| FAIRFAX FINANCIAL HOLDINGS LTD/ CANtracked | — | — | — | — | 9.5M | 22.0M | $127M |
| BlackRock, Inc. | 14.4M | 14.5M | 14.3M | 14.1M | 16.7M | 16.7M | $97M |
| DIMENSIONAL FUND ADVISORS LP | 11.4M | 11.8M | 11.9M | 11.3M | 10.8M | 11.5M | $67M |
| VANGUARD CAPITAL MANAGEMENT LLC | — | — | — | — | — | 7.8M | $45M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | — | — | — | — | — | 6.6M | $38M |
| STATE STREET CORP | 4.7M | 4.8M | 4.7M | 4.6M | 4.5M | 4.6M | $27M |
| NEUBERGER BERMAN GROUP LLC | 4.0M | 3.9M | 3.9M | 3.7M | 3.8M | 4.0M | $23M |
| D. E. Shaw & Co., Inc. | 1.2M | 1.7M | 1.2M | 2.5M | 3.0M | 2.8M | $16M |
| GEODE CAPITAL MANAGEMENT, LLC | 2.7M | 2.8M | 2.8M | 2.7M | 2.6M | 2.7M | $15M |
Green = added, red = trimmed, grey = held; a dash is a quarter with no 13F on file — a gap, not an exit.
Breaks = no 13F that quarter.
Short interest has its own tab now — open SI →
SEC Form 13F · ~10,250 filers, 10y · long-only, US-listed, filed ≤45d after quarter-end.
SEC Schedule 13D/G XML · group aggregate.
