UNDER ARMOUR INC-CLASS C (UA) Stock Institutional Trading Activity
UNDER ARMOUR INC-CLASS C (UA) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Fairfax Financial Holdings, Renaissance Technologies LLC, Meritage Group, Miller Value Partners, and Lone Pine Capital. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.
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- UNDER ARMOUR INC-CLASS C (UA) stock institutional ownership
- UNDER ARMOUR INC-CLASS C (UA) stock insider trading activity
- Stock rankings
| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q3 2020 | Renaissance Technologies LLC | Buy | 434,900 | 625,000 | $6,150 |
| Q2 2020 | Renaissance Technologies LLC | Sell | -1,455,543 | 190,100 | $1,680 |
| Q1 2020 | Renaissance Technologies LLC | Buy | 1,612,436 | 1,645,643 | $13,264 |
| Q1 2020 | Lone Pine Capital | Buy | 9,890,481 | 9,890,481 | $79,717 |
| Q1 2020 | Bares Capital Management | Sell | -1,279,847 | 9,038,426 | $72,850 |
| Q4 2019 | Miller Value Partners | Buy | 52,000 | 52,000 | $997 |
| Q4 2019 | Bares Capital Management | Sell | -15,026 | 10,318,273 | $197,904 |
| Q3 2019 | Bares Capital Management | Buy | 289,419 | 10,333,299 | $187,343 |
| Q2 2019 | Renaissance Technologies LLC | Sell | -345,393 | 33,207 | $737 |
| Q2 2019 | Bares Capital Management | Sell | -114,483 | 10,043,880 | $222,974 |
| Q1 2019 | Bares Capital Management | Sell | -510,415 | 10,158,363 | $191,688 |
| Q4 2018 | Bares Capital Management | Buy | 509,245 | 10,668,778 | $172,514 |
| Q3 2018 | Bares Capital Management | Buy | 1,623,852 | 10,159,533 | $197,705 |
| Q2 2018 | Bares Capital Management | Buy | 245,365 | 8,535,681 | $179,932 |
| Q1 2018 | Renaissance Technologies LLC | Buy | 378,600 | 378,600 | $5,433 |
| Q1 2018 | Bares Capital Management | Buy | 17,488 | 8,290,316 | $118,966 |
| Q4 2017 | Bares Capital Management | Buy | 181,265 | 8,272,828 | $110,194 |
| Q3 2017 | Bares Capital Management | Buy | 447,650 | 8,091,563 | $121,535 |
| Q2 2017 | Bares Capital Management | Buy | 38,537 | 7,643,913 | $154,101 |
| Q1 2017 | Bares Capital Management | Buy | 3,271,535 | 7,605,376 | $139,178 |
| Q4 2016 | ARK Invest | Buy | 7,562 | 7,562 | $190 |
| Q4 2016 | Bares Capital Management | Buy | 4,333,841 | 4,333,841 | $109,083 |
Frequently asked questions about UA activity
Which institutional owners are buying UA?
Institutional owners buying UA 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 UA activity?
"Buy" means an investor increased their reported position in UA compared to the prior reporting period. This reflects growing exposure to UNDER ARMOUR INC-CLASS C (UA) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in UA increasing?
Institutional interest in UA 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.