UNDER ARMOUR INC-CLASS A (UAA) Institutional Buying Activity
Institutional investors tracked by InsiderSet increased exposure to UNDER ARMOUR INC-CLASS A (UAA) during the quarter ended March 31, 2026 through a combination of new purchases and expanded existing positions disclosed in SEC Form 13F filings.
The largest institutional buyer of UAA during the latest reporting period was Fairfax Financial Holdings, which increased its reported UAA position by approximately $177.17M based on quarter-end filing values. Several additional hedge funds and long-term asset managers also reported meaningful increases in UAA exposure during the quarter.
Institutional buying activity can provide insight into investor conviction, sector allocation trends, and smart money positioning toward UNDER ARMOUR INC-CLASS A (UAA). InsiderSet tracks quarterly accumulation trends, new institutional positions, ownership increases, and estimated performance of newly disclosed holdings using SEC filing data and recent market prices.
The investors highlighted on this page collectively added approximately $282.92M in reported UAA exposure during the latest filing period, reflecting continued institutional interest in UNDER ARMOUR INC-CLASS A's growth initiatives and strategic positioning.
| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q1 2026 | Fairfax Financial Holdings | Buy | 1,041,949 | 43,000,872 | $253,705,145 |
| Q4 2025 | Fairfax Financial Holdings | Buy | 35,647,123 | 41,958,923 | $208,535,847 |
| Q1 2025 | Disciplined Growth Investors | Buy | 163,021 | 6,136,209 | $38,351,306 |
| Q4 2024 | Renaissance Technologies LLC | Buy | 581,800 | 4,837,800 | $40,056,984 |
| Q4 2024 | Disciplined Growth Investors | Buy | 232,566 | 5,973,188 | $49,457,997 |
| Q3 2024 | Renaissance Technologies LLC | Buy | 3,612,448 | 4,256,000 | $37,920,960 |
| Q3 2024 | Fairfax Financial Holdings | Buy | 2,088,100 | 6,311,800 | $56,238,138 |
| Q3 2024 | Disciplined Growth Investors | Buy | 327,979 | 5,740,622 | $51,148,942 |
| Q2 2024 | Fairfax Financial Holdings | Buy | 4,223,700 | 4,223,700 | $28,172,079 |
| Q2 2024 | Disciplined Growth Investors | Buy | 70,731 | 5,412,643 | $36,102,329 |
| Q1 2024 | Disciplined Growth Investors | Buy | 1,084,988 | 5,341,912 | $39,423,311 |
| Q4 2023 | Sequoia Financial Advisors | Buy | 489 | 17,603 | $154,731 |
| Q2 2023 | Sequoia Financial Advisors | Buy | 17,114 | 17,114 | $123,564 |
| Q4 2022 | Disciplined Growth Investors | Buy | 30,823 | 5,952,318 | $60,475,551 |
| Q2 2022 | Renaissance Technologies LLC | Buy | 3,209,500 | 6,587,905 | $54,877 |
| Q2 2022 | Disciplined Growth Investors | Buy | 1,974,546 | 5,956,408 | $49,617 |
| Q2 2022 | Meritage Group | Buy | 10,963 | 14,635 | $122 |
| Q1 2022 | Disciplined Growth Investors | Buy | 104,578 | 3,981,862 | $67,771 |
| Q4 2021 | Renaissance Technologies LLC | Buy | 2,979,005 | 6,531,305 | $138,398 |
| Q3 2021 | Renaissance Technologies LLC | Buy | 180,680 | 3,552,300 | $71,685 |
| Q3 2021 | Meritage Group | Buy | 8,852 | 8,852 | $179 |
| Q2 2021 | Renaissance Technologies LLC | Buy | 293,891 | 3,371,620 | $71,310 |
| Q2 2021 | Disciplined Growth Investors | Buy | 51,622 | 3,985,308 | $84,289 |
| Q1 2021 | Renaissance Technologies LLC | Buy | 2,482,700 | 3,077,729 | $68,202 |
| Q4 2020 | Disciplined Growth Investors | Buy | 1,471,887 | 4,480,449 | $76,929 |
| Q4 2020 | Renaissance Technologies LLC | Buy | 570,229 | 595,029 | $10,217 |
| Q3 2020 | AKO Capital | Buy | 10,112,291 | 10,112,291 | $113,561 |
| Q1 2020 | Lone Pine Capital | Buy | 8,452,056 | 17,431,613 | $160,545 |
| Q1 2020 | Renaissance Technologies LLC | Buy | 384,081 | 478,881 | $4,410 |
| Q4 2019 | Lone Pine Capital | Buy | 7,419,443 | 8,979,557 | $193,958 |
Frequently asked questions about UAA activity
Which institutional owners are buying UAA?
Institutional owners buying UAA include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in UAA activity?
"Buy" means an investor increased their reported position in UAA compared to the prior reporting period. This reflects growing exposure to UNDER ARMOUR INC-CLASS A (UAA) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in UAA increasing?
Institutional interest in UAA can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.