Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
361 institutional managers reported holding UAA for the quarter ended Mar 31, 2026. Together they hold about 48% of shares outstanding; the top 10 hold 30%. 70 opened new positions; 58 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Fairfax Financial (focused) | 43.00M | 10.12% | $253.9M | added +2.5% | 2024 Q2 |
| BlackRock | 20.86M | 4.91% | $123.2M | added +0.8% | ≤2013 |
| Vanguard Group | 17.85M | 4.20% | $105.4M | added +3.9% | ≤2013 |
| Dimensional Fund Advisors | 8.53M | 2.01% | $50.4M | added +17.7% | ≤2013 |
| UBS | 8.45M | 1.99% | $49.9M | added +2.2% | ≤2013 |
| Charles Schwab Investment Management | 6.17M | 1.45% | $36.4M | added +13% | ≤2013 |
| State Street | 6.01M | 1.42% | $35.5M | trimmed -1.7% | ≤2013 |
| D. E. Shaw | 5.75M | 1.35% | $34.0M | added +27.3% | 2015 Q1 |
| Jane Street | 5.01M | 1.18% | $29.6M | added +0.7% | 2014 Q1 |
| HRT Financial LP | 4.06M | 0.96% | $24.0M | added +11265.7% | 2024 Q1 |
| Morgan Stanley | 3.85M | 0.91% | $22.7M | trimmed -14.8% | ≤2013 |
| Jupiter Asset Management LTD | 3.76M | 0.89% | $22.2M | trimmed -14% | 2024 Q1 |
| Millennium Management | 3.36M | 0.79% | $19.9M | added +127.1% | 2020 Q1 |
| Geode Capital | 2.93M | 0.69% | $17.3M | trimmed -1.3% | ≤2013 |
| State OF Wisconsin Investment Board | 2.91M | 0.68% | $17.2M | added +1710.6% | 2019 Q4 |
| T. Rowe Price Investment Management, INC. | 2.84M | 0.67% | $16.8M | added +163% | 2024 Q4 |
| Susquehanna International Group | 2.55M | 0.60% | $15.1M | trimmed -62.3% | ≤2013 |
| Deltroit Asset Management (UK) LLP (focused) | 2.52M | 0.59% | $14.9M | added +26.6% | 2025 Q4 |
| Citadel Advisors | 2.19M | 0.52% | $12.9M | added +66.5% | ≤2013 |
| Woodline Partners LP | 2.05M | 0.48% | $12.1M | opened | 2024 Q3 |
| Kettle Hill Capital Management, LLC (focused) | 1.78M | 0.42% | $10.5M | opened | 2026 Q1 |
| Goldman Sachs | 1.70M | 0.40% | $10.0M | added +570.5% | ≤2013 |
| Citigroup INC | 1.69M | 0.40% | $10.0M | added +792.4% | ≤2013 |
| Group ONE Trading LLC | 1.57M | 0.37% | $9.3M | trimmed -25.5% | 2023 Q3 |
| Credit Industriel ET Commercial | 1.54M | 0.36% | $9.1M | opened | 2025 Q1 |
| BNP Paribas Financial Markets | 1.48M | 0.35% | $8.7M | trimmed -18.1% | ≤2013 |
| Ovata Capital Management LTD (focused) | 1.40M | 0.33% | $8.3M | unchanged | 2025 Q3 |
| Marshall Wace | 1.27M | 0.30% | $7.5M | trimmed -51.1% | 2022 Q4 |
| Northern Trust | 1.25M | 0.29% | $7.4M | unchanged | ≤2013 |
| Quantinno Capital Management LP | 1.23M | 0.29% | $7.2M | added +100.9% | 2023 Q1 |
| Whitebox Advisors LLC | 1.19M | 0.28% | $7.0M | trimmed -8.8% | 2025 Q3 |
| Maven Securities LTD | 1.18M | 0.28% | $7.0M | added +128.2% | 2023 Q3 |
| Invesco | 1.17M | 0.27% | $6.9M | trimmed -14.5% | ≤2013 |
| Royal Bank OF Canada | 1.04M | 0.24% | $6.1M | trimmed -2.6% | ≤2013 |
| AQR Capital | 1.02M | 0.24% | $6.0M | trimmed -37.6% | ≤2013 |
| Corient Private Wealth LLC | 997.7k | 0.23% | $5.9M | added +1.6% | 2024 Q2 |
| Parallax Volatility Advisers, L.p. | 930.2k | 0.22% | $5.5M | trimmed -32% | 2023 Q1 |
| Bank OF America CORP /DE/ | 925.2k | 0.22% | $5.5M | trimmed -6.6% | ≤2013 |
| BNY Mellon | 924.0k | 0.22% | $5.5M | trimmed -0.7% | ≤2013 |
| Principal Financial Group INC | 915.6k | 0.22% | $5.4M | added +2.1% | ≤2013 |
| Simplex Trading, LLC | 897.0k | 0.21% | $5.3M | trimmed -21.3% | 2023 Q1 |
| Commonwealth Equity Services, LLC | 877.7k | 0.21% | $5.2M | trimmed -3.7% | ≤2013 |
| Walleye Capital LLC | 861.8k | 0.20% | $5.1M | trimmed -29.1% | 2019 Q1 |
| Two Sigma | 778.1k | 0.18% | $4.6M | trimmed -21.4% | 2023 Q4 |
| Capula Management LTD | 749.6k | 0.18% | $4.4M | opened | 2025 Q3 |
| Public Sector Pension Investment Board | 675.5k | 0.16% | $4.0M | added +3.4% | 2025 Q4 |
| Peak6 LLC | 576.2k | 0.14% | $3.4M | trimmed -14.3% | 2025 Q1 |
| Schonfeld Strategic Advisors | 540.1k | 0.13% | $3.2M | trimmed -36% | 2020 Q4 |
| Trexquant Investment LP | 519.9k | 0.12% | $3.1M | added +63.6% | 2025 Q4 |
| Bleakley Financial Group, LLC | 476.5k | 0.11% | $2.8M | added +99.7% | 2022 Q4 |
Largest 50 of 361 shown; the full ranked, searchable register is at boothcheck.com/holders/UAA. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.