Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
633 institutional managers reported holding UHS for the quarter ended Mar 31, 2026. Together they hold about 83% of shares outstanding; the top 10 hold 45%. 65 opened new positions; 106 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 6.46M | 10.47% | $1.15B | trimmed -0.6% | ≤2013 |
| First Eagle Investment Management | 4.42M | 7.17% | $790.7M | added +2.6% | 2018 Q2 |
| BlackRock | 4.35M | 7.05% | $776.6M | added +1.6% | ≤2013 |
| State Street | 2.58M | 4.18% | $461.0M | trimmed -1% | ≤2013 |
| Geode Capital | 1.95M | 3.16% | $348.1M | added +11.2% | ≤2013 |
| Pzena Investment Management | 1.91M | 3.10% | $341.8M | trimmed -9.5% | 2023 Q4 |
| Dimensional Fund Advisors | 1.78M | 2.89% | $318.3M | added +12.1% | ≤2013 |
| Invesco | 1.59M | 2.58% | $284.0M | added +33.8% | ≤2013 |
| Goldman Sachs | 1.33M | 2.16% | $237.9M | added +7.2% | ≤2013 |
| FMR (Fidelity) | 1.31M | 2.13% | $235.0M | trimmed -28.1% | ≤2013 |
| Arrowstreet Capital | 1.23M | 1.99% | $219.2M | added +1.7% | 2018 Q1 |
| MFS Investment Management | 890.4k | 1.44% | $159.1M | unchanged | ≤2013 |
| American Century Companies INC | 833.7k | 1.35% | $149.0M | added +29.6% | 2019 Q2 |
| LSV Asset Management | 770.8k | 1.25% | $137.8M | added +1.8% | 2018 Q1 |
| Millennium Management | 687.8k | 1.11% | $122.9M | added +50.3% | ≤2013 |
| LOS Angeles Capital Management LLC | 664.6k | 1.08% | $118.8M | added +95.9% | 2024 Q1 |
| Morgan Stanley | 617.6k | 1.00% | $110.4M | trimmed -29.1% | ≤2013 |
| AQR Capital | 585.1k | 0.95% | $104.6M | trimmed -6.2% | ≤2013 |
| Charles Schwab Investment Management | 581.9k | 0.94% | $104.0M | added +2.3% | ≤2013 |
| Northern Trust | 528.3k | 0.86% | $94.4M | unchanged | ≤2013 |
| UBS | 510.4k | 0.83% | $91.2M | added +22.3% | ≤2013 |
| BNP Paribas Financial Markets | 376.9k | 0.61% | $67.4M | added +6.2% | 2013 Q4 |
| Lazard Asset Management LLC | 374.2k | 0.61% | $66.9M | added +6% | 2015 Q4 |
| BNY Mellon | 374.0k | 0.61% | $66.8M | trimmed -4.7% | ≤2013 |
| Worldquant Millennium Advisors LLC | 347.3k | 0.56% | $62.1M | added +80.3% | 2024 Q1 |
| Allianz Asset Management GmbH | 332.7k | 0.54% | $59.5M | added +18.4% | ≤2013 |
| Quantinno Capital Management LP | 330.8k | 0.54% | $59.1M | added +1.5% | 2019 Q1 |
| AustralianSuper Pty LTD | 323.3k | 0.52% | $57.8M | added +45.2% | 2024 Q4 |
| Bank OF America CORP /DE/ | 261.0k | 0.42% | $46.6M | trimmed -23.4% | ≤2013 |
| Ranmore Fund Management LTD (focused) | 260.0k | 0.42% | $46.5M | added +28.7% | 2025 Q1 |
| Deutsche Bank AG\ | 245.0k | 0.40% | $43.8M | trimmed -28.7% | 2013 Q3 |
| Hotchkis & Wiley Capital Management LLC | 237.2k | 0.39% | $42.4M | added +660.2% | 2021 Q1 |
| Russell Investments Group, LTD. | 236.8k | 0.38% | $42.3M | added +1.3% | 2016 Q4 |
| Amundi | 234.3k | 0.38% | $41.9M | added +77% | 2017 Q4 |
| NFJ Investment Group, LLC | 225.9k | 0.37% | $40.4M | added +93.7% | 2025 Q2 |
| Legal & General Group PLC | 222.0k | 0.36% | $39.7M | added +2.2% | ≤2013 |
| Franklin Resources | 195.0k | 0.32% | $34.8M | added +82.3% | 2018 Q4 |
| SEI Investments CO | 194.0k | 0.32% | $34.7M | added +29.5% | ≤2013 |
| KBC Group NV | 185.3k | 0.30% | $33.1M | added +9.4% | 2013 Q4 |
| Invenomic Capital Management LP | 185.1k | 0.30% | $33.1M | opened | 2025 Q2 |
| Aware Super Pty LTD as trustee of Aware Super | 181.9k | 0.29% | $32.5M | opened | 2024 Q4 |
| First Trust Advisors LP | 174.7k | 0.28% | $31.2M | trimmed -8.3% | ≤2013 |
| Balyasny Asset Management | 170.5k | 0.28% | $30.5M | added +12923.3% | 2022 Q3 |
| Khrom Capital Management LLC (focused) | 169.1k | 0.27% | $30.2M | trimmed -26.8% | 2025 Q3 |
| Swiss National Bank | 162.1k | 0.26% | $29.0M | added +4.9% | ≤2013 |
| Clark Capital Management Group, INC. | 162.0k | 0.26% | $29.0M | trimmed -51.5% | 2024 Q1 |
| Voloridge Investment Management | 156.2k | 0.25% | $27.9M | trimmed -45.5% | 2025 Q1 |
| Two Sigma | 155.8k | 0.25% | $27.8M | opened | 2026 Q1 |
| Woodline Partners LP | 152.6k | 0.25% | $27.3M | trimmed -53% | 2020 Q2 |
| Tudor Investment | 149.1k | 0.24% | $26.7M | added +321.8% | 2023 Q4 |
Largest 50 of 633 shown; the full ranked, searchable register is at boothcheck.com/holders/UHS. 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.