Under Armour, Inc. (UAA) Ownership

NYSE: UAATop holders, insider trades and short interest.

UAA ownership summary

as of October 18, 2026
Institutions
114.4%
of shares outstanding
Insiders
9.07%
of shares outstanding
Shares outstanding
188.8M
Float
286.1M
shares available to trade
Short interest
45.54%
65.1M shares short
Days to cover
7.01
short interest up 23.2% vs prior month
  • Institutions 114.44%
  • Insiders 9.07%

UAA top institutional holders

20 largest
Under Armour, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1Fairfax Financial Holdings Ltd10.56%45.4M$215.0M+2.4M (+5.5%)June 30, 2026
2BlackRock Inc6.47%27.8M$131.7M+6.9M (+33.3%)June 30, 2026
3Vanguard Portfolio Management, LLC2.78%12.0M$56.6M+1.1M (+10.2%)June 30, 2026
4Dimensional Fund Advisors, Inc.2.11%9.0M$42.9M+514,364 (+6.0%)June 30, 2026
5State Street Corp1.79%7.7M$36.4M+1.7M (+27.8%)June 30, 2026
6D. E. Shaw & Co LP1.77%7.6M$35.9M+1.8M (+31.8%)June 30, 2026
7Charles Schwab Investment Management Inc1.57%6.8M$32.0M+585,252 (+9.5%)June 30, 2026
8Vanguard Capital Management, LLC1.41%6.1M$28.7M+27,043 (+0.4%)June 30, 2026
9UBS Group AG1.40%6.0M$28.4M−2.1M (−25.8%)June 30, 2026
10T. Rowe Price Investment Management,Inc.1.35%5.8M$27.5M+3.0M (+103.9%)June 30, 2026
11Morgan Stanley - Brokerage Accounts1.31%5.6M$26.7M+1.8M (+46.2%)June 30, 2026
12Geode Capital Management, LLC1.24%5.3M$25.1M+2.4M (+81.1%)June 30, 2026
13Jupiter Asset Management Limited0.88%3.8M$17.8M—June 30, 2026
14State Of Wisconsin Investment Board0.76%3.3M$15.5M+368,027 (+12.7%)June 30, 2026
15Quantinno Capital Management LP0.73%3.1M$14.8M+1.9M (+154.3%)June 30, 2026
16Deltroit Asset Management (UK) LLP0.68%2.9M$13.8M+384,207 (+15.2%)June 30, 2026
17AQR Capital Management LLC0.61%2.6M$12.4M+1.6M (+156.2%)June 30, 2026
18Northern Trust Corp0.47%2.0M$9.6M+774,573 (+61.9%)June 30, 2026
19Millennium Management LLC0.46%2.0M$9.4M−1.4M (−41.3%)June 30, 2026
20Citigroup Inc0.43%1.8M$8.7M+142,360 (+8.4%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 17 holders added 27.3M shares and 2 cut 3.5M.

UAA top mutual fund and ETF holders

20 largest
Under Armour, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1iShares Core S&P Small-Cap ETF2.62%11.2M$53.3M+2,904 (+0.0%)September 30, 2026
2iShares Russell 2000 ETF1.23%5.3M$25.0M−60,800 (−1.1%)September 30, 2026
3Vanguard MStar Total Stk Mkt Idx Invest1.07%4.6M$21.8M—August 31, 2026
4Vanguard Small Cap Index0.99%4.3M$20.2M−57,166 (−1.3%)September 30, 2026
5T. Rowe Price Small-Cap Value0.92%4.0M$18.8M—September 30, 2026
6Schwab Fundamental U.S. Small CompanyETF0.78%3.4M$16.0M+4,788 (+0.1%)September 30, 2026
7Vanguard MStar Small Cap Value Index0.65%2.8M$13.1M+11,241 (+0.4%)September 30, 2026
8Fidelity Small Cap Index0.63%2.7M$12.8M−515 (−0.0%)July 31, 2026
9Jupiter Global Value Equity X Acc0.48%2.1M$9.8M—June 30, 2026
10DFA US Small Cap Value I0.46%2.0M$9.4M—August 31, 2026
11Avantis US Small Cap Value ETF0.44%1.9M$8.9M+7,608 (+0.4%)September 30, 2026
12iShares Russell 2000 Value ETF0.44%1.9M$8.9M+2,844 (+0.2%)September 30, 2026
13Vanguard Tax-Managed Small Cap Adm0.43%1.9M$8.8M—September 30, 2026
14State Street SPDR Port S&P 600 Sm CpETF0.40%1.7M$8.2M—September 30, 2026
15Jupiter Global Value L USD Acc0.39%1.7M$8.0M—June 30, 2026
16Schwab US Small-Cap ETF™0.38%1.6M$7.6M+1,089 (+0.1%)September 30, 2026
17iShares S&P Small-Cap 600 Value ETF0.37%1.6M$7.6M—September 30, 2026
18Dimensional US Targeted Value ETF0.27%1.2M$5.5M+184 (+0.0%)September 30, 2026
19Vanguard Russell 2000 ETF0.26%1.1M$5.3M+4,979 (+0.4%)September 30, 2026
20Dimensional US Small Cap Value ETF0.24%1.0M$4.9M+1,310 (+0.1%)September 24, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

UAA insider transactions

latest 18
Under Armour, Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-01-28V Prem Et Al WatsaBuy$6.211,112,119$6.9M
2026-01-27V Prem Et Al WatsaBuy$6.241,528,986$9.5M
2026-01-26V Prem Et Al WatsaBuy$6.21995,896$6.2M
2026-01-23V Prem Et Al WatsaBuy$6.15928,397$5.7M
2026-01-22V Prem Et Al WatsaBuy$6.15411,057$2.5M
2026-01-21V Prem Et Al WatsaBuy$5.895,000,000$29.4M
2026-01-20V Prem Et Al WatsaBuy$5.621,769,581$9.9M
2026-01-16V Prem Et Al WatsaBuy$5.601,837,686$10.3M
2025-12-30V Prem Et Al WatsaBuy$5.1213,182,469$67.5M
2025-12-29V Prem Et Al WatsaBuy$4.662,497,826$11.6M
2025-12-26V Prem Et Al WatsaBuy$4.581,385,850$6.3M
2025-12-24V Prem Et Al WatsaBuy$4.551,313,881$6.0M
2025-12-23V Prem Et Al WatsaBuy$4.512,745,253$12.4M
2025-12-22V Prem Et Al WatsaBuy$4.487,739,154$34.7M
2025-08-21Robert John SweeneyBuy$4.88100,000$488,000
2025-08-13Dawn N FitzpatrickBuy$4.93100,000$493,000
2025-08-13Eric J AumenBuy$4.892,045$10,000
2025-06-03Mehri ShadmanSell$6.1416,287$100,002

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

UAA shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns UAA

Institutional investors own 114.4% of Under Armour's shares and insiders 9.07%. The largest holder is Fairfax Financial Holdings Ltd with 10.56% of the shares (45.4M), as of June 30, 2026. Among the top 20 institutions, 17 added shares and 2 reduced their stake in the latest filings. Short interest is 45.54% of the float, or 7.01 days of average trading volume. The share count fell 3.3% since 2014.

Related: UAA analyst forecast, UAA key metrics. See the UAA stock overview for the latest quote and news.

UAA ownership FAQ

Who owns the most Under Armour stock?

The largest shareholders of Under Armour are Fairfax Financial Holdings Ltd (10.56%), BlackRock Inc (6.47%), Vanguard Portfolio Management, LLC (2.78%), Dimensional Fund Advisors, Inc. (2.11%), State Street Corp (1.79%).

What percentage of Under Armour is owned by institutions?

Institutions hold 114.4% of Under Armour's shares outstanding; insiders hold 9.07%.

Which funds own Under Armour?

The largest fund holders of Under Armour are iShares Core S&P Small-Cap ETF (2.62%), iShares Russell 2000 ETF (1.23%), Vanguard MStar Total Stk Mkt Idx Invest (1.07%), Vanguard Small Cap Index (0.99%), T. Rowe Price Small-Cap Value (0.92%).

What is Under Armour's short interest?

65.1M shares of Under Armour were sold short, 45.54% of the float; at the average daily volume it would take 7.01 days to cover.

Are insiders buying or selling Under Armour?

Of the latest 18 reported insider transactions in Under Armour (since June 3, 2025), 17 were purchases and 1 were sales.

How many shares of Under Armour are outstanding?

Under Armour has 188.8M shares outstanding, of which 286.1M are in the public float.

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