Under Armour
UAA · NYSE
Who owns UAA
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 30.8% of UAA’s shares.
- Hamblin Watsa Investment Counsel Ltd.10.6%
- BlackRock Institutional Trust Company, N.A.5.9%
- Vanguard Portfolio Management, LLC2.8%
- Dimensional Fund Advisors, L.P.2.1%
- Next 6 largest institutions9.3%
- All other shareholders69.2%
| Holder | Shares | % of shares |
|---|---|---|
| Hamblin Watsa Investment Counsel Ltd. | 45.36M | 10.64% |
| BlackRock Institutional Trust Company, N.A. | 25.28M | 5.93% |
| Vanguard Portfolio Management, LLC | 11.95M | 2.80% |
| Dimensional Fund Advisors, L.P. | 9.05M | 2.12% |
| State Street Investment Management (US) | 7.68M | 1.80% |
| D. E. Shaw & Co., L.P. | 7.58M | 1.78% |
| Charles Schwab Investment Management, Inc. | 6.75M | 1.58% |
| Vanguard Capital Management, LLC | 6.06M | 1.42% |
| T. Rowe Price Investment Management, Inc. | 5.80M | 1.36% |
| UBS Financial Services, Inc. | 5.72M | 1.34% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Small-Cap ETF | 11.53M | 2.70% |
| iShares Russell 2000 ETF | 5.18M | 1.21% |
| Vanguard Total Stock Market Index Fund | 4.60M | 1.08% |
| Vanguard Small-Cap Index Fund | 4.31M | 1.01% |
| T. Rowe Price Small Cap Value Fund | 3.38M | 0.79% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $5.87M (3 trades) of UAA on the open market, with no sales.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Plank Kevin A | Tax withholding | 61.64K | — |
| Shadman Mehri | Tax withholding | 23.49K | — |
| Liedtke Eric | Tax withholding | 34.23K | — |
| Trent Kara | Tax withholding | 54.91K | — |
| Curran Shawn | Tax withholding | 52.85K | — |
| Peake Adam | Tax withholding | 8.42K | — |
| Aumen Eric J | Tax withholding | 7.47K | — |
| Taleghani Reza | Award | 957.86K | — |
| Trent Kara | Award | 226.81K | — |
| Curran Shawn | Award | 189.01K | — |
Congressional trades
Disclosed by members of Congress over the last 12 months
| Member | Type | Amount | Traded |
|---|---|---|---|
| Tim WalbergHouse | Sale | $1K–$15K | Feb 10, 2026 |
Short interest
Settled Sep 30, 2026
- Shares short
- 65.14M
- Days to cover
- 5.96
- % of shares outstanding
- 15.28%
- Average daily volume
- 10.94M
- Change since last report
- +21.8%
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