Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
145 institutional managers reported holding USAS for the quarter ended Mar 31, 2026. Together they hold about 40% of shares outstanding; the top 10 hold 28%. 52 opened new positions; 18 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Merk Investments LLC (focused) | 19.39M | 7.25% | $101.0M | trimmed -17.2% | 2019 Q4 |
| Mirae Asset Global Etfs Holdings LTD. | 9.56M | 3.58% | $49.8M | trimmed -3.6% | 2025 Q2 |
| Vanguard Group | 8.90M | 3.33% | $46.4M | added +4305.6% | 2025 Q4 |
| VAN ECK Associates CORP | 7.84M | 2.93% | $40.9M | added +2902.3% | 2025 Q4 |
| Alps Advisors INC | 6.88M | 2.58% | $35.9M | added +17.2% | 2024 Q4 |
| Connor, Clark & Lunn Investment Management LTD. | 5.44M | 2.04% | $28.3M | added +47.4% | 2024 Q3 |
| Two Sigma | 4.58M | 1.71% | $23.9M | added +191.4% | 2025 Q2 |
| Arrowstreet Capital | 4.50M | 1.68% | $23.5M | added +554.4% | 2025 Q3 |
| NewGen Asset Management LTD (focused) | 4.45M | 1.67% | $23.2M | trimmed -28.2% | 2024 Q4 |
| Polar Asset Management Partners INC. | 2.63M | 0.98% | $13.7M | unchanged | 2025 Q4 |
| GAMCO (Gabelli) | 2.12M | 0.79% | $11.0M | added +14000% | 2025 Q2 |
| Bank OF America CORP /DE/ | 1.92M | 0.72% | $10.0M | trimmed -1.4% | 2017 Q1 |
| U S Global Investors INC | 1.80M | 0.67% | $9.4M | unchanged | 2024 Q4 |
| Manufacturers Life Insurance Company, THE | 1.74M | 0.65% | $9.0M | added +16.7% | 2024 Q3 |
| Morgan Stanley | 1.61M | 0.60% | $8.4M | added +271.5% | 2017 Q1 |
| Bank OF Montreal /CAN/ | 1.52M | 0.57% | $7.9M | added +676.3% | 2025 Q1 |
| Susquehanna International Group | 1.19M | 0.45% | $6.2M | added +128.9% | 2025 Q3 |
| UBS | 1.16M | 0.43% | $6.1M | trimmed -25.4% | 2023 Q4 |
| Sprott INC. | 1.09M | 0.41% | $5.7M | trimmed -33.6% | 2024 Q4 |
| Renaissance Technologies | 1.05M | 0.39% | $5.5M | opened | 2022 Q4 |
| Intact Investment Management INC. | 994.8k | 0.37% | $5.2M | trimmed -3.8% | 2025 Q1 |
| Toronto Dominion Bank | 992.1k | 0.37% | $5.2M | added +1642.9% | 2025 Q2 |
| Hollencrest Capital Management | 811.0k | 0.30% | $4.2M | added +11.2% | 2021 Q1 |
| Gamco Investors, INC. et al | 788.1k | 0.29% | $4.1M | unchanged | 2025 Q1 |
| TD Asset Management INC | 777.5k | 0.29% | $4.1M | added +174.2% | 2025 Q3 |
| Walleye Capital LLC | 706.6k | 0.26% | $3.7M | added +110.3% | 2025 Q4 |
| Citadel Advisors | 672.0k | 0.25% | $3.5M | added +143.9% | 2023 Q1 |
| Goldman Sachs | 664.4k | 0.25% | $3.5M | added +68% | 2021 Q3 |
| Deutsche Bank AG\ | 614.5k | 0.23% | $3.2M | added +3.9% | 2025 Q1 |
| Jane Street | 613.6k | 0.23% | $3.2M | trimmed -36.3% | 2019 Q3 |
| BNP Paribas Financial Markets | 587.5k | 0.22% | $3.1M | added +3127.9% | 2025 Q4 |
| Montrusco Bolton Investments INC. | 550.0k | 0.21% | $2.9M | opened | 2025 Q3 |
| Marshall Wace | 516.9k | 0.19% | $2.7M | opened | 2026 Q1 |
| PCJ Investment Counsel LTD. | 458.3k | 0.17% | $2.4M | trimmed -46.8% | 2025 Q3 |
| Swiss National Bank | 443.6k | 0.17% | $2.3M | added +2.5% | 2025 Q4 |
| Charles Schwab Investment Management | 439.4k | 0.16% | $2.3M | opened | 2026 Q1 |
| Millennium Management | 419.9k | 0.16% | $2.2M | trimmed -78% | 2021 Q3 |
| Aquatic Capital Management LLC | 355.4k | 0.13% | $1.9M | added +5031.1% | 2025 Q4 |
| Harvest Investment Services, LLC | 337.1k | 0.13% | $1.8M | opened | 2026 Q1 |
| HGC Investment Management INC. | 300.0k | 0.11% | $1.6M | unchanged | 2025 Q4 |
| American Century Companies INC | 299.1k | 0.11% | $1.6M | added +1910.9% | 2024 Q4 |
| Mackenzie Financial CORP | 292.4k | 0.11% | $1.5M | added +44.2% | 2025 Q1 |
| Citigroup INC | 278.8k | 0.10% | $1.5M | trimmed -50.9% | 2025 Q1 |
| WealthTrust Axiom LLC | 247.0k | 0.09% | $1.3M | trimmed -45.3% | 2017 Q1 |
| Waratah Capital Advisors LTD. | 227.9k | 0.09% | $1.2M | trimmed -74.4% | 2025 Q3 |
| Cibc Asset Management INC | 197.3k | 0.07% | $1.0M | added +599.7% | 2025 Q4 |
| Cetera Investment Advisers | 182.2k | 0.07% | $949k | trimmed -7.6% | 2022 Q4 |
| LGT Group Foundation | 175.0k | 0.07% | $912k | added +75% | 2025 Q4 |
| British Columbia Investment Management CORP | 174.6k | 0.07% | $909k | opened | 2026 Q1 |
| Dynamic Technology Lab Private LTD | 169.3k | 0.06% | $882k | opened | 2026 Q1 |
Largest 50 of 145 shown; the full ranked, searchable register is at boothcheck.com/holders/USAS. 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.