Under Armour
366 hedge funds and large institutions have $830M invested in Under Armour in 2025 Q3 according to their latest regulatory filings, with 55 funds opening new positions, 116 increasing their positions, 113 reducing their positions, and 56 closing their positions.
3% more repeat investments, than reductions
Existing positions increased: 116 | Existing positions reduced: 113
2% less first-time investments, than exits
New positions opened: 55 | Existing positions closed: 56
2% less funds holding
Funds holding: 372 → 366 (-6)
14.19% less ownership
Funds ownership: 102.3% → 88.11% (-14%)
37% less capital invested
Capital invested by funds: $1.32B → $830M (-$489M)
73% less call options, than puts
Call options by funds: $37.4M | Put options by funds: $140M
100% less funds holding in top 10
Funds holding in top 10: 3 → 0 (-3)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Marshall Wace
London,
United Kingdom
|
+$19.5M |
| 2 |
WA
Whitebox Advisors
Minneapolis,
Minnesota
|
+$13.1M |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$12.9M |
| 4 |
D.E. Shaw & Co
New York
|
+$11.6M |
| 5 |
FBCM
Fort Baker Capital Management
Larkspur,
California
|
+$10.1M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
-$138M |
| 2 |
DGI
Disciplined Growth Investors
Minneapolis,
Minnesota
|
-$36M |
| 3 |
Citadel Advisors
Miami,
Florida
|
-$18.3M |
| 4 |
Millennium Management
New York
|
-$17.5M |
| 5 |
Voloridge Investment Management
Jupiter,
Florida
|
-$16M |
UAA Hedge Fund Activity: Q3 2025 in Review
366 of the 7,640 institutional investors tracked by Wall St. Rank reported a position in Under Armour (UAA) for Q3 2025, worth a combined $830M — down 37% from $1.32B a quarter earlier.
Sellers outnumbered buyers: 56 funds closed out of UAA and 55 opened new positions — a net loss of 1 holder — while 113 trimmed existing stakes and 116 added.
The largest buyer was Marshall Wace, adding an estimated $19.5M. The largest seller was Fidelity Investments, cutting an estimated $138M.
- 366 institutional investors held Under Armour (UAA) as of Q3 2025, down from 372 in Q2 2025.
- Funds reported $830M of Under Armour stock for Q3 2025, down 37% quarter-over-quarter.
- 55 funds opened new Under Armour positions in Q3 2025 and 56 closed out, a net change of -1 holder.
- The largest Under Armour buyer in Q3 2025 was Marshall Wace, an estimated $19.5M added.
- The largest Under Armour seller in Q3 2025 was Fidelity Investments, an estimated $138M sold.
Based on aggregated 13F filings for Q3 2025.