Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
278 institutional managers reported holding HHH for the quarter ended Mar 31, 2026. Together they hold about 90% of shares outstanding; the top 10 hold 72%. 41 opened new positions; 88 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Pershing Square (focused) | 27.85M | 47.08% | $1.76B | unchanged | 2023 Q3 |
| Vanguard Group | 4.90M | 8.28% | $310.0M | added +15.7% | 2023 Q3 |
| Dimensional Fund Advisors | 2.82M | 4.77% | $178.6M | added +8% | 2023 Q3 |
| BlackRock | 1.48M | 2.50% | $93.6M | unchanged | 2023 Q3 |
| Wells Fargo & COMPANY/MN | 1.47M | 2.49% | $93.0M | added +49.9% | 2023 Q3 |
| American Century Companies INC | 1.24M | 2.10% | $78.4M | added +30% | 2023 Q3 |
| Donald Smith & CO., INC. | 1.04M | 1.76% | $66.0M | added +2.2% | 2023 Q3 |
| Long Focus Capital Management, LLC | 733.7k | 1.24% | $46.4M | added +98.7% | 2025 Q2 |
| Geode Capital | 600.0k | 1.01% | $38.0M | added +2.2% | 2023 Q3 |
| State Street | 572.8k | 0.97% | $36.2M | added +3.1% | 2023 Q3 |
| Franklin Resources | 556.3k | 0.94% | $35.2M | opened | 2026 Q1 |
| River Road Asset Management, LLC | 510.4k | 0.86% | $32.3M | trimmed -2.1% | 2023 Q3 |
| Northern Right Capital Management, L.p. (focused) | 382.7k | 0.65% | $24.2M | added +13.6% | 2024 Q2 |
| Russell Investments Group, LTD. | 366.4k | 0.62% | $23.2M | trimmed -25.3% | 2023 Q3 |
| Morgan Stanley | 336.0k | 0.57% | $21.3M | trimmed -11.2% | 2023 Q3 |
| UBS | 314.6k | 0.53% | $19.9M | added +16.5% | 2023 Q3 |
| Bank OF America CORP /DE/ | 304.5k | 0.52% | $19.3M | added +14.8% | 2023 Q3 |
| Consulta LTD (focused) | 300.0k | 0.51% | $19.0M | unchanged | 2025 Q2 |
| Gotham Asset Management | 295.0k | 0.50% | $18.7M | trimmed -13.7% | 2024 Q1 |
| First Manhattan CO. LLC. | 239.8k | 0.41% | $15.2M | trimmed -11.8% | 2023 Q3 |
| JCP Investment Management, LLC (focused) | 234.1k | 0.40% | $14.8M | added +29.3% | 2025 Q3 |
| Northern Trust | 222.8k | 0.38% | $14.1M | trimmed -1.1% | 2023 Q3 |
| Flat Footed LLC (focused) | 215.3k | 0.36% | $13.6M | opened | 2026 Q1 |
| Ameriprise Financial INC | 206.4k | 0.35% | $13.1M | added +89.9% | 2023 Q4 |
| Horizon Kinetics Asset Management LLC | 196.4k | 0.33% | $12.4M | trimmed -33% | 2023 Q3 |
| Charles Schwab Investment Management | 192.8k | 0.33% | $12.2M | added +2.8% | 2023 Q3 |
| Royal Bank OF Canada | 191.9k | 0.32% | $12.1M | added +3.2% | 2023 Q3 |
| Incline Global Management LLC (focused) | 184.9k | 0.31% | $11.7M | opened | 2026 Q1 |
| LMR Partners LLP | 158.9k | 0.27% | $10.1M | opened | 2025 Q3 |
| Rivernorth Capital Management, LLC | 149.2k | 0.25% | $9.4M | added +4.3% | 2025 Q3 |
| Susquehanna International Group | 144.4k | 0.24% | $9.1M | added +76.8% | 2024 Q4 |
| State of New Jersey Common Pension Fund D | 143.0k | 0.24% | $9.0M | unchanged | 2023 Q3 |
| H/2 Credit Manager LP (focused) | 140.3k | 0.24% | $8.9M | unchanged | 2025 Q4 |
| Victory Capital Management INC | 138.9k | 0.23% | $8.8M | unchanged | 2023 Q3 |
| Goldman Sachs | 136.1k | 0.23% | $8.6M | added +52.6% | 2023 Q3 |
| Tudor Investment | 133.7k | 0.23% | $8.5M | trimmed -26.3% | 2023 Q3 |
| Northside Capital Management, LLC | 130.5k | 0.22% | $8.3M | added +67.7% | 2025 Q2 |
| Amundi | 111.9k | 0.19% | $7.1M | trimmed -37.5% | 2023 Q3 |
| Zacks Investment Management | 108.0k | 0.18% | $6.8M | added +2.3% | 2024 Q3 |
| BNY Mellon | 103.3k | 0.17% | $6.5M | added +2.5% | 2023 Q3 |
| Sowell Financial Services LLC | 101.5k | 0.17% | $6.4M | added +21.3% | 2025 Q2 |
| Renaissance Technologies | 100.7k | 0.17% | $6.4M | trimmed -32.1% | 2025 Q2 |
| AQR Capital | 97.7k | 0.17% | $6.2M | trimmed -45.6% | 2023 Q3 |
| Bernzott Capital Advisors (focused) | 90.3k | 0.15% | $5.7M | trimmed -3% | 2023 Q3 |
| Ingalls & Snyder LLC | 87.3k | 0.15% | $5.5M | added +0.5% | 2023 Q3 |
| Motley Fool Wealth Management, LLC | 86.1k | 0.15% | $5.4M | trimmed -27.3% | 2023 Q3 |
| Ossiam | 85.0k | 0.14% | $5.4M | opened | 2026 Q1 |
| Tidal Investments LLC | 75.7k | 0.13% | $4.8M | added +14% | 2025 Q2 |
| Jacobs Levy Equity Management, INC | 74.3k | 0.13% | $4.7M | added +17.2% | 2023 Q3 |
| Invesco | 73.5k | 0.12% | $4.7M | trimmed -3.1% | 2023 Q3 |
Largest 50 of 278 shown; the full ranked, searchable register is at boothcheck.com/holders/HHH. 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.