BALTIMORE, MD
UNDER ARMOUR, INC.UAA— Latest position per institution from SEC 13F filings
15
Institutional holders
267.63M
Total shares held
1.55B
Estimated value
13.38M
Avg. position size
BDT CAPITAL PARTNERS, LLC
CIK 1510974
Shares
65.05M
Value
376.64M
Filed
Mar 31, 2026
FAIRFAX FINANCIAL HOLDINGS LTD/ CAN
CIK 915191
Shares
43M
Value
253.71M
Filed
Mar 31, 2026
BLACKROCK, INC.
CIK 2012383
Shares
20.86M
Value
123.26M
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
16.89M
Value
110.26M
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
15.73M
Value
75.50M
Filed
Dec 31, 2025
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
15.06M
Value
89.03M
Filed
Mar 31, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
11.52M
Value
66.69M
Filed
Mar 31, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
10.84M
Value
64.09M
Filed
Mar 31, 2026
ALYESKA INVESTMENT GROUP, L.P.
CIK 1453072
Shares
9.79M
Value
81.06M
Filed
Dec 31, 2024
UBS GROUP AG
CIK 1610520
Shares
8.18M
Value
48.32M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
7.78M
Value
45.03M
Filed
Mar 31, 2026
ARROWMARK COLORADO HOLDINGS LLC
CIK 1483859
Shares
7.61M
Value
63.56M
Filed
Dec 31, 2023
DISCIPLINED GROWTH INVESTORS INC /MN
CIK 1050442
Shares
5.28M
Value
36.03M
Filed
Jun 30, 2025
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 1165408
Shares
4.84M
Value
28.85K
Filed
Sep 30, 2022
STATE STREET CORP
CIK 93751
Shares
4.62M
Value
26.73M
Filed
Mar 31, 2026
WALLEYE TRADING LLC
CIK 1388391
Shares
4.34M
Value
25.67M
Filed
Mar 31, 2026
LOOMIS SAYLES & CO L P
CIK 312348
Shares
4.24M
Value
21.15M
Filed
Sep 30, 2025
HRT FINANCIAL LP
CIK 1475597
Shares
4.06M
Value
24.01K
Filed
Mar 31, 2026
NEUBERGER BERMAN GROUP LLC
CIK 1465109
Shares
4M
Value
23.14M
Filed
Mar 31, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
3.94M
Value
23.31M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BDT CAPITAL PARTNERS, LLC | 1510974 | 65.05M | 376.64M | Mar 31, 2026 |
| 2 | FAIRFAX FINANCIAL HOLDINGS LTD/ CAN | 915191 | 43M | 253.71M | Mar 31, 2026 |
| 3 | BLACKROCK, INC. | 2012383 | 20.86M | 123.26M | Mar 31, 2026 |
| 4 | BLACKROCK FINANCE, INC. | 1364742 | 16.89M | 110.26M | Jun 30, 2024 |
| 5 | VANGUARD GROUP INC | 102909 | 15.73M | 75.50M | Dec 31, 2025 |
| 6 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 15.06M | 89.03M | Mar 31, 2026 |
| 7 | DIMENSIONAL FUND ADVISORS LP | 354204 | 11.52M | 66.69M | Mar 31, 2026 |
| 8 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 10.84M | 64.09M | Mar 31, 2026 |
| 9 | ALYESKA INVESTMENT GROUP, L.P. | 1453072 | 9.79M | 81.06M | Dec 31, 2024 |
| 10 | UBS GROUP AG | 1610520 | 8.18M | 48.32M | Mar 31, 2026 |
| 11 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 7.78M | 45.03M | Mar 31, 2026 |
| 12 | ARROWMARK COLORADO HOLDINGS LLC | 1483859 | 7.61M | 63.56M | Dec 31, 2023 |
| 13 | DISCIPLINED GROWTH INVESTORS INC /MN | 1050442 | 5.28M | 36.03M | Jun 30, 2025 |
| 14 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 1165408 | 4.84M | 28.85K | Sep 30, 2022 |
| 15 | STATE STREET CORP | 93751 | 4.62M | 26.73M | Mar 31, 2026 |
| 16 | WALLEYE TRADING LLC | 1388391 | 4.34M | 25.67M | Mar 31, 2026 |
| 17 | LOOMIS SAYLES & CO L P | 312348 | 4.24M | 21.15M | Sep 30, 2025 |
| 18 | HRT FINANCIAL LP | 1475597 | 4.06M | 24.01K | Mar 31, 2026 |
| 19 | NEUBERGER BERMAN GROUP LLC | 1465109 | 4M | 23.14M | Mar 31, 2026 |
| 20 | CITADEL ADVISORS LLC | 1423053 | 3.94M | 23.31M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.