Fidelity Merrimack Street Trust - FSEC
Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 1 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| FMR LLC | History | Added to | 200,299,217 | 8,839,204 | 0.45% | 0.44% | 1 | +6,380,522 | 3.29% | Q4 2025 | Feb 17, 2026 |
| Cetera Investment Advisers | History | Added to | 341,761 | 15,081 | 0.02% | 0.0% | 2 | +325,877 | 2051.61% | Q4 2025 | Feb 17, 2026 |
| KINTRA WEALTH, LLC | History | New | 144,832 | 6,391 | 0.89% | — | 3 | +144,832 | New | Q4 2025 | Feb 18, 2026 |
| CITADEL ADVISORS LLC | History | Added to | 121,727 | 5,371 | 0.0% | 0.0% | 4 | +90,336 | 287.78% | Q4 2025 | Feb 17, 2026 |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | History | Added to | 66,495 | 2,938 | 0.0% | 0.0% | 5 | +13,542 | 25.57% | Q4 2025 | Jan 08, 2026 |
| ENVESTNET ASSET MANAGEMENT INC | History | Added to | 60,889 | 2,687 | 0.0% | 0.0% | 6 | +29,066 | 91.34% | Q4 2025 | Feb 10, 2026 |
| JPMORGAN CHASE & CO | History | Added to | 40,522 | 1,788 | 0.0% | 0.0% | 7 | +3,618 | 9.8% | Q4 2025 | Feb 11, 2026 |
| LPL Financial LLC | History | Added to | 22,085 | 974 | 0.0% | 0.0% | 8 | +10,663 | 93.35% | Q4 2025 | Feb 11, 2026 |
| &PARTNERS | History | New | 20,317 | 897 | 0.0% | — | 9 | +20,317 | New | Q4 2025 | Feb 17, 2026 |
| Granite Harbor Advisors, Inc. | History | New | 15,053 | 664 | 0.28% | — | 10 | +15,053 | New | Q4 2025 | Jan 22, 2026 |
| MERCER GLOBAL ADVISORS INC /ADV | History | New | 13,234 | 583 | 0.0% | — | 11 | +13,234 | New | Q4 2025 | Feb 18, 2026 |
| STIFEL FINANCIAL CORP | History | Added to | 13,102 | 578 | 0.0% | 0.0% | 12 | +6,398 | 95.44% | Q4 2025 | Feb 13, 2026 |
| Csenge Advisory Group | History | New | 12,657 | 558 | 0.03% | — | 13 | +12,657 | New | Q4 2025 | Feb 06, 2026 |
| JANE STREET GROUP, LLC | History | New | 12,401 | 547 | 0.0% | — | 14 | +12,401 | New | Q4 2025 | Feb 12, 2026 |
| High Falls Advisors, Inc | History | Added to | 12,305 | 543 | 0.11% | 0.11% | 15 | +577 | 4.92% | Q4 2025 | Feb 18, 2026 |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | History | Added to | 10,110 | 446 | 0.0% | 0.0% | 16 | +2,834 | 38.95% | Q4 2025 | Feb 10, 2026 |
| Envestnet Portfolio Solutions, Inc. | History | Added to | 9,092 | 401 | 0.0% | 0.0% | 17 | +95 | 1.06% | Q4 2025 | Feb 06, 2026 |
| Calamos Wealth Management LLC | History | No change | 8,963 | 395 | 0.01% | 0.01% | 18 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| TWO SIGMA SECURITIES, LLC | History | Reduced | 8,105 | 357 | 0.05% | 0.08% | 19 | -3,671 | -31.17% | Q4 2025 | Feb 17, 2026 |
| SMITH CHAS P & ASSOCIATES PA CPAS | History | New | 7,818 | 345 | 0.02% | — | 20 | +7,818 | New | Q4 2025 | Feb 09, 2026 |
| CAPTRUST FINANCIAL ADVISORS | History | Reduced | 6,806 | 300 | 0.0% | 0.0% | 21 | -946 | -12.2% | Q4 2025 | Feb 17, 2026 |
| Glenview Trust Co | History | New | 6,530 | 288 | 0.0% | — | 22 | +6,530 | New | Q4 2025 | Feb 09, 2026 |
| NATIONS FINANCIAL GROUP INC, /IA/ /ADV | History | Reduced | 6,412 | 283 | 0.01% | 0.02% | 23 | -2,475 | -27.85% | Q4 2025 | Jan 26, 2026 |
| Indiana Trust & Investment Management Co | History | New | 6,266 | 276 | 0.08% | — | 24 | +6,266 | New | Q4 2025 | Jan 21, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 5,417 | 239 | 0.0% | 0.0% | 25 | +2,660 | 96.48% | Q4 2025 | Feb 17, 2026 |
| J.W. COLE ADVISORS, INC. | History | Added to | 5,350 | 236 | 0.01% | 0.0% | 26 | +246 | 4.82% | Q4 2025 | Feb 11, 2026 |
| Dentgroup LLC | History | Reduced | 5,212 | 230 | 0.16% | 0.15% | 27 | -104 | -1.96% | Q4 2025 | Jan 28, 2026 |
| HighTower Advisors, LLC | History | New | 5,203 | 229 | 0.0% | — | 28 | +5,203 | New | Q4 2025 | Feb 06, 2026 |
| ShoreHaven Wealth Partners, LLC | History | New | 5,151 | 227 | 0.08% | — | 29 | +5,151 | New | Q4 2025 | Feb 10, 2026 |
| OLD MISSION CAPITAL LLC | History | New | 5,067 | 223 | 0.01% | — | 30 | +5,067 | New | Q4 2025 | Feb 17, 2026 |
| Mid-American Wealth Advisory Group, Inc. | History | New | 5,055 | 223 | 0.09% | — | 31 | +5,055 | New | Q4 2025 | Jan 23, 2026 |
| NWAM LLC | History | Reduced | 4,651 | 206 | 0.01% | 0.02% | 32 | -3,384 | -42.12% | Q4 2025 | Feb 04, 2026 |
| Blue Trust, Inc. | History | New | 3,329 | 146 | 0.0% | — | 33 | +3,329 | New | Q4 2025 | Jan 16, 2026 |
| Allworth Financial LP | History | New | 1,850 | 81 | 0.0% | — | 34 | +1,850 | New | Q4 2025 | Feb 05, 2026 |
| Cornerstone Planning Group LLC | History | No change | 1,842 | 81 | 0.01% | 0.01% | 35 | 0 | 0.0% | Q4 2025 | Feb 02, 2026 |
| IFP Advisors, Inc | History | Added to | 1,707 | 75 | 0.0% | 0.0% | 36 | +107 | 6.69% | Q4 2025 | Feb 06, 2026 |
| MAI Capital Management | History | Reduced | 1,443 | 63 | 0.0% | 0.0% | 37 | -2,877 | -66.6% | Q4 2025 | Feb 13, 2026 |
| AE Wealth Management LLC | History | Reduced | 1,320 | 58 | 0.0% | 0.0% | 38 | -884 | -40.11% | Q4 2025 | Jan 26, 2026 |
| Sterling Capital Management LLC | History | Added to | 572 | 25 | 0.0% | 0.0% | 39 | +6 | 1.06% | Q4 2025 | Feb 13, 2026 |
| UBS Group AG | History | Reduced | 149 | 6 | 0.0% | 0.0% | 40 | -3,314 | -95.7% | Q4 2025 | Jan 29, 2026 |
| Sound Income Strategies, LLC | History | No change | 116 | 5 | 0.0% | 0.0% | 41 | 0 | 0.0% | Q4 2025 | Jan 21, 2026 |
| MORGAN STANLEY | History | Added to | 52 | 2 | 0.0% | — | 42 | +50 | 2500.0% | Q4 2025 | Feb 13, 2026 |
| INTEGRITY ALLIANCE, LLC. | History | Closed out | 0 | 0 | — | 0.23% | — | -109,085 | -100.0% | Q3 2025 | Nov 14, 2025 |
| FLOW TRADERS U.S. LLC | History | Closed out | 0 | 0 | — | 0.08% | — | -47,074 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Corient Private Wealth LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -17,315 | -100.0% | Q3 2025 | Nov 14, 2025 |
| OSAIC HOLDINGS, INC. | History | Closed out | 0 | 0 | — | 0.0% | — | -8,997 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Capital Investment Advisors, LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -8,454 | -100.0% | Q3 2025 | Oct 23, 2025 |
| HRT FINANCIAL LP | History | Closed out | 0 | 0 | — | 0.0% | — | -7,478 | -100.0% | Q3 2025 | Nov 14, 2025 |
| COMMONWEALTH EQUITY SERVICES, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -7,389 | -100.0% | Q3 2025 | Oct 22, 2025 |
| Mariner, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -5,826 | -100.0% | Q3 2025 | Nov 14, 2025 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Closed out | 0 | 0 | — | 0.0% | — | -4,950 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Advisory Services Network, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -601 | -100.0% | Q3 2025 | Nov 18, 2025 |
| Sunbelt Securities, Inc. | History | No change | 12 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 20, 2026 |