Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
303 institutional managers reported holding HTO for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 64%. 61 opened new positions; 30 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 6.42M | 16.65% | trimmed -3.6% | ≤2013 | |
| Atlas Infrastructure Partners (UK) LTD. (focused) | 4.53M | 11.76% | added +675.9% | 2025 Q4 | |
| Vanguard Group | 3.17M | 8.22% | added +16% | ≤2013 | |
| Antipodes Partners LTD | 2.25M | 5.83% | added +485.8% | 2025 Q4 | |
| Wellington Management | 1.61M | 4.19% | opened | 2026 Q1 | |
| Cohen & Steers | 1.61M | 4.17% | added +195.3% | 2025 Q4 | |
| State Street | 1.43M | 3.71% | added +5.2% | ≤2013 | |
| Cerity Partners LLC | 1.31M | 3.40% | trimmed -9.4% | 2022 Q4 | |
| Soros Fund Management | 1.23M | 3.19% | opened | 2026 Q1 | |
| Amundi | 1.16M | 3.00% | trimmed -32.5% | 2019 Q1 | |
| Zimmer Partners, LP | 1.00M | 2.60% | added +2184.6% | 2024 Q3 | |
| Victory Capital Management INC | 911.9k | 2.37% | added +94.7% | 2015 Q2 | |
| Geode Capital | 897.1k | 2.33% | added +7.8% | ≤2013 | |
| Yaupon Capital Management LP | 895.4k | 2.32% | added +796.5% | 2025 Q4 | |
| Morgan Stanley | 781.2k | 2.03% | trimmed -42.9% | ≤2013 | |
| Dimensional Fund Advisors | 705.3k | 1.83% | added +7% | ≤2013 | |
| Invesco | 700.6k | 1.82% | added +8.4% | ≤2013 | |
| KBC Group NV | 593.2k | 1.54% | added +41.9% | ≤2013 | |
| Schroder Investment Management Group | 586.9k | 1.52% | added +253.1% | ≤2013 | |
| Legal & General Group PLC | 543.5k | 1.41% | trimmed -4.5% | ≤2013 | |
| First Trust Advisors LP | 532.0k | 1.38% | added +5.9% | ≤2013 | |
| Resolution Capital LTD (focused) | 482.5k | 1.25% | added +105.8% | 2025 Q4 | |
| Charles Schwab Investment Management | 482.2k | 1.25% | added +11.2% | ≤2013 | |
| Citadel Advisors | 416.1k | 1.08% | added +529.7% | 2021 Q4 | |
| Barrow Hanley Mewhinney & Strauss LLC | 409.6k | 1.06% | opened | 2026 Q1 | |
| Nuance Investments, LLC (focused) | 391.6k | 1.02% | trimmed -56.8% | 2018 Q1 | |
| Northern Trust | 373.3k | 0.97% | added +8.9% | ≤2013 | |
| Point72 | 371.1k | 0.96% | opened | 2026 Q1 | |
| Millennium Management | 343.8k | 0.89% | added +7074.2% | 2015 Q4 | |
| Goldman Sachs | 342.0k | 0.89% | trimmed -29.1% | 2015 Q4 | |
| UBS | 281.6k | 0.73% | added +13% | ≤2013 | |
| Bank OF America CORP /DE/ | 264.9k | 0.69% | added +128.9% | ≤2013 | |
| Two Sigma | 250.3k | 0.65% | added +27.1% | 2022 Q4 | |
| Ausbil Investment Management LTD | 244.3k | 0.63% | added +359.9% | 2025 Q4 | |
| Nuveen | 232.1k | 0.60% | added +27% | 2018 Q4 | |
| BW Gestao de Investimentos Ltda. | 220.9k | 0.57% | added +172.1% | 2025 Q4 | |
| Mirova US LLC | 195.2k | 0.51% | opened | 2026 Q1 | |
| BNY Mellon | 190.2k | 0.49% | added +3.9% | ≤2013 | |
| Hotchkis & Wiley Capital Management LLC | 182.9k | 0.47% | trimmed -28.2% | 2025 Q1 | |
| Principal Financial Group INC | 181.4k | 0.47% | added +14.3% | 2016 Q4 | |
| AQR Capital | 171.7k | 0.45% | added +11% | 2021 Q2 | |
| Vennlight Capital Management, LP (focused) | 162.2k | 0.42% | opened | 2026 Q1 | |
| Renaissance Technologies | 157.9k | 0.41% | added +88% | 2014 Q3 | |
| GAMCO (Gabelli) | 149.6k | 0.39% | added +1.3% | ≤2013 | |
| Rokos Capital Management LLP | 135.1k | 0.35% | opened | 2026 Q1 | |
| Public Sector Pension Investment Board | 133.7k | 0.35% | added +16% | 2022 Q4 | |
| Franklin Resources | 118.9k | 0.31% | added +192.5% | 2022 Q4 | |
| SEI Investments CO | 115.9k | 0.30% | added +57.5% | 2017 Q1 | |
| ProShare Advisors LLC | 115.9k | 0.30% | trimmed -13.9% | 2015 Q3 | |
| HRT Financial LP | 113.2k | 0.29% | added +275.3% | 2024 Q3 |
Largest 50 of 303 shown; the full ranked, searchable register is at boothcheck.com/holders/HTO. 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.