Under Armour, Inc.
Total Trades
1
Buys
1
Sells
0
Largest Trade
$1M+
Insiders
1
Institutional Funds
286
Inst. Value
$1M+
Activist Filings
26
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| WATSA V PREM ET AL | 10% Owner | BUY | $1M+ | 2.3M | $6.17 | Jan 26, 2026 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 286 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| DIMENSIONAL FUND ADVISORS LP | 7.0M | $1M+ | SH |
| STATE STREET CORP | 6.1M | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 5.5M | $1M+ | SH |
| JUPITER ASSET MANAGEMENT LTD | 4.4M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 2.5M | $1M+ | SH |
| GROUP ONE TRADING LLC | 2.1M | $1M+ | SH |
| Deltroit Asset Management (UK) LLP | 2.0M | $1M+ | SH |
| Squarepoint Ops LLC | 1.8M | $1M+ | SH |
| Parallax Volatility Advisers, L.P. | 1.8M | $1M+ | SH (Put) |
| BNP PARIBAS FINANCIAL MARKETS | 1.8M | $1M+ | SH |
| AQR CAPITAL MANAGEMENT LLC | 1.6M | $1M+ | SH |
| Ovata Capital Management Ltd | 1.4M | $1M+ | SH |
| Ovata Capital Management Ltd | 1.4M | $1M+ | SH |
| WHITEBOX ADVISORS LLC | 1.3M | $1M+ | SH |
| FIRST TRUST ADVISORS LP | 1.2M | $1M+ | SH |
| Point72 Asset Management, L.P. | 1.2M | $1M+ | SH |
| Walleye Trading LLC | 1.2M | $1M+ | SH |
| SIMPLEX TRADING, LLC | 1.1M | $1M+ | SH |
| CAXTON ASSOCIATES LLP | 925K | $1M+ | SH |
| MARSHALL WACE, LLP | 918K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Jan 30, 2026
9.1%
17.2M shares
SC 13G/A · Jan 21, 2026
3.8%
7.2M shares
SC 13G/A · Jan 8, 2026
10.6%
20.1M shares
SC 13D · Jan 5, 2026
22.2%
42.0M shares
SC 13G/A · Dec 30, 2025
16.1%
30.5M shares
SC 13G · Dec 19, 2025
9.0%
17.0M shares
SC 13G/A · Sep 8, 2025
0.4%
775K shares
Alyeska Investment Group, L.P.
SC 13G/A · Aug 14, 2025
0.0%
0 shares
SC 13G/A · Aug 6, 2025
12.7%
23.9M shares
Alyeska Investment Group, L.P.
SC 13G · Feb 14, 2025
5.2%
9.8M shares
SC 13G/A · Feb 12, 2025
15.0%
28.3M shares
SC 13G/A · Nov 12, 2024
8.1%
15.3M shares
SC 13G/A · Nov 7, 2024
11.5%
21.7M shares
SC 13G · Nov 7, 2024
5.1%
9.7M shares
SC 13G/A · Nov 4, 2024
8.1%
15.3M shares
Dimensional Fund Advisors LP 30-0447847
SC 13G · Oct 31, 2024
5.4%
10.3M shares
STATE STREET CORPORATION 04-2456637
SC 13G/A · Oct 18, 2024
3.1%
5.8M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
9.6%
18.1M shares
SC 13G/A · Jan 25, 2024
8.8%
16.7M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G/A · Jan 24, 2024
5.3%
0 shares
SC 13D/A · Jun 2, 2023
15.6%
34.7M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G · Feb 10, 2023
5.5%
0 shares
SC 13G/A · Jan 25, 2023
9.1%
17.2M shares
Ameriprise Financial, Inc. IRS No. 13-3180631
SC 13G/A · Sep 12, 2022
4.0%
7.6M shares
Ameriprise Financial, Inc. IRS No. 13-3180631
SC 13G · Apr 11, 2022
10.0%
18.9M shares
SC 13G/A · Feb 14, 2022
0.6%
1.1M shares