Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
242 institutional managers reported holding FSM for the quarter ended Mar 31, 2026. Together they hold about 66% of shares outstanding; the top 10 hold 38%. 50 opened new positions; 35 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| VAN ECK Associates CORP | 20.89M | 6.81% | $207.2M | trimmed -13.6% | ≤2013 |
| Mirae Asset Global Etfs Holdings LTD. | 17.33M | 5.65% | $171.9M | trimmed -3.8% | 2018 Q4 |
| Arrowstreet Capital | 14.97M | 4.88% | $148.5M | trimmed -26% | 2023 Q4 |
| Vanguard Group | 12.76M | 4.16% | $126.6M | added +54.3% | 2015 Q1 |
| Acadian Asset Management | 11.98M | 3.90% | $118.9M | added +5.3% | 2024 Q1 |
| Dimensional Fund Advisors | 10.63M | 3.46% | $105.5M | added +5.6% | 2019 Q3 |
| American Century Companies INC | 8.76M | 2.86% | $86.9M | added +6% | 2018 Q1 |
| D. E. Shaw | 7.29M | 2.38% | $72.3M | trimmed -3.1% | 2022 Q4 |
| Tidal Investments LLC | 6.65M | 2.17% | $66.0M | trimmed -31.2% | 2022 Q2 |
| Morgan Stanley | 6.26M | 2.04% | $62.1M | trimmed -26.1% | ≤2013 |
| Two Sigma | 5.47M | 1.78% | $54.2M | added +63.7% | 2023 Q4 |
| Euro Pacific Asset Management, LLC | 4.49M | 1.46% | $44.5M | unchanged | 2019 Q4 |
| Invesco | 3.96M | 1.29% | $39.3M | added +31.9% | 2021 Q1 |
| Barclays PLC | 3.81M | 1.24% | $37.8M | added +1247.9% | 2023 Q2 |
| Amundi | 3.12M | 1.02% | $30.9M | trimmed -16.9% | 2021 Q2 |
| Toronto Dominion Bank | 2.87M | 0.94% | $28.5M | added +7.1% | ≤2013 |
| Bank OF America CORP /DE/ | 2.86M | 0.93% | $28.3M | added +78.4% | ≤2013 |
| Qube Research & Technologies LTD | 2.79M | 0.91% | $27.7M | added +9.5% | 2024 Q3 |
| Goldman Sachs | 2.56M | 0.83% | $25.4M | trimmed -35.6% | ≤2013 |
| Nuveen | 2.43M | 0.79% | $24.1M | trimmed -6.2% | 2023 Q4 |
| Jane Street | 2.34M | 0.76% | $23.2M | trimmed -3.3% | 2014 Q1 |
| Millennium Management | 2.24M | 0.73% | $22.2M | added +47% | 2014 Q3 |
| Bank OF Montreal /CAN/ | 2.19M | 0.71% | $21.7M | trimmed -37.3% | 2021 Q4 |
| TD Asset Management INC | 1.92M | 0.63% | $19.1M | added +17.9% | ≤2013 |
| Point72 | 1.67M | 0.55% | $16.6M | added +139% | 2023 Q4 |
| DZ Bank AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 1.60M | 0.52% | $15.9M | trimmed -10.5% | 2016 Q4 |
| Citadel Advisors | 1.55M | 0.50% | $15.4M | added +647.6% | ≤2013 |
| Trexquant Investment LP | 1.53M | 0.50% | $15.1M | added +57% | 2024 Q2 |
| Legal & General Group PLC | 1.44M | 0.47% | $14.3M | trimmed -1.2% | 2017 Q2 |
| Royal Bank OF Canada | 1.39M | 0.45% | $13.8M | added +33.1% | ≤2013 |
| Hillsdale Investment Management INC. | 1.30M | 0.42% | $12.9M | trimmed -4.2% | 2024 Q2 |
| Deutsche Bank AG\ | 1.28M | 0.42% | $12.7M | added +3% | 2016 Q1 |
| Causeway Capital Management LLC | 1.25M | 0.41% | $12.4M | added +44.9% | 2025 Q3 |
| Voloridge Investment Management | 1.23M | 0.40% | $12.2M | trimmed -44.6% | 2024 Q2 |
| Mackenzie Financial CORP | 1.11M | 0.36% | $11.1M | trimmed -36.7% | 2020 Q3 |
| Groupe la Francaise | 1.02M | 0.33% | $10.2M | added +47.2% | 2024 Q4 |
| Geode Capital | 987.0k | 0.32% | $9.8M | trimmed -32.6% | 2018 Q4 |
| Global Strategic Management INC (focused) | 977.0k | 0.32% | $9.7M | added +3.8% | 2025 Q4 |
| Renaissance Technologies | 905.4k | 0.29% | $9.0M | trimmed -40.3% | 2021 Q3 |
| Charles Schwab Investment Management | 872.4k | 0.28% | $8.7M | added +33.1% | 2024 Q2 |
| Susquehanna International Group | 832.2k | 0.27% | $8.3M | added +84.7% | ≤2013 |
| Public Employees Retirement System OF Ohio | 815.9k | 0.27% | $8.1M | unchanged | 2024 Q3 |
| Capital Fund Management S.a. | 812.6k | 0.27% | $8.1M | added +46.2% | 2025 Q2 |
| Connor, Clark & Lunn Investment Management LTD. | 789.6k | 0.26% | $7.8M | added +37.8% | 2022 Q4 |
| Jupiter Asset Management LTD | 709.0k | 0.23% | $7.0M | added +206.4% | 2025 Q3 |
| Man Group | 698.6k | 0.23% | $6.9M | trimmed -10.8% | 2023 Q4 |
| Sicart Associates LLC | 648.7k | 0.21% | $6.4M | unchanged | 2017 Q4 |
| Russell Investments Group, LTD. | 639.9k | 0.21% | $6.3M | trimmed -35.4% | 2023 Q4 |
| Swiss National Bank | 607.9k | 0.20% | $6.0M | unchanged | ≤2013 |
| Balyasny Asset Management | 566.8k | 0.18% | $5.6M | trimmed -21.5% | 2023 Q1 |
Largest 50 of 242 shown; the full ranked, searchable register is at boothcheck.com/holders/FSM. 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.