Fidelity Merrimack Street Trust (FSEC)
Management Company · ARCX · Series S000071132 · View on SEC EDGAR ↗
- Net assets
- $4.5B
- Holdings
- 1,106
- As of
- May 31, 2026
- Top 10 holdings weight
- 40.34%
- Effective number of positions
- 36.0
- Positions above 1%
- 18
On this page
- Fund flows Money flowing in and out of the fund each month, from N-PORT filings.
- Holdings Every position the fund currently holds, with weights.
- Sector breakdown How the fund's holdings split across market sectors.
- Institutional owners 13F institutions that report holding this ETF.
- Similar funds Other funds with overlapping holdings or comparable size.
Fund flows (SEC-reported)
- Last month (May 2026)
- +$21.9M
- Quarter ending May 2026
- +$87.1M
- Trailing 12 months
- +$589.0M
Jun 2025 – May 2026
Based on the fund's own SEC Form N-PORT monthly flow disclosures (Item C.9 "Flow Information") — sales minus redemptions, reinvested distributions excluded. This is a different, independent metric from the "Net flows" estimate above (which is derived from daily shares-outstanding changes). SEC N-PORT filing lag is up to ~60 days; the most recent month/quarter may not yet be fully reflected.
Full composition 1,106 holdings
| Name | CUSIP | Value | % | Balance | Category | Country |
|---|---|---|---|---|---|---|
| FNMA GTD MTG PASS THRU CTF | 3140QN3S9 | $17K | 0.00 | 17,794 | ABS-MBS | US |
| FNMA GTD MTG PASS THRU CTF | 3140XBKY5 | $16K | 0.00 | 18,529 | ABS-MBS | US |
| FNMA GTD MTG PASS THRU CTF | 3140QMKY9 | $16K | 0.00 | 18,802 | ABS-MBS | US |
| FED HOME LOAN MTG CORP - GOLD | 3132D9FB5 | $16K | 0.00 | 18,363 | ABS-MBS | US |
| FNMA GTD MTG PASS THRU CTF | 3140L3G88 | $16K | 0.00 | 19,468 | ABS-MBS | US |
| FEDERAL HOME LN MTG CORP MULTICLASS MTG PARTN CTF GTD | 3137H5KC0 | $16K | 0.00 | 17,206 | ABS-CBDO | US |
| FED HOME LOAN MTG CORP - GOLD | 3132DNFX6 | $16K | 0.00 | 17,761 | ABS-MBS | US |
| FNMA GTD MTG PASS THRU CTF | 3140QLJB3 | $15K | 0.00 | 16,823 | ABS-MBS | US |
| FNMA GTD MTG PASS THRU CTF | 3140L05E3 | $15K | 0.00 | 18,716 | ABS-MBS | US |
| FEDERAL NAT MTG ASN GTD REM PA | 3136BLES5 | $15K | 0.00 | 17,125 | ABS-CBDO | US |
| FNMA GTD MTG PASS THRU CTF | 3140XF5A5 | $15K | 0.00 | 16,922 | ABS-MBS | US |
| FNMA GTD MTG PASS THRU CTF | 3140XFAC5 | $14K | 0.00 | 15,696 | ABS-MBS | US |
| FNMA GTD MTG PASS THRU CTF | 3140QHPZ2 | $14K | 0.00 | 14,367 | ABS-MBS | US |
| JPMCC COMMERCIAL MORTGAGE SECURITIES TRUST 2017-JP6 | 48128KBA8 | $13K | 0.00 | 13,545 | ABS-MBS | US |
| FNMA GTD MTG PASS THRU CTF | 3140L4CZ0 | $13K | 0.00 | 16,304 | ABS-MBS | US |
| FED HOME LOAN MTG CORP - GOLD | 3133AF6L0 | $13K | 0.00 | 16,242 | ABS-MBS | US |
| FNMA GTD MTG PASS THRU CTF | 3140XFGG0 | $13K | 0.00 | 13,581 | ABS-MBS | US |
| FNMA GTD MTG PASS THRU CTF | 3140QADB3 | $10K | 0.00 | 10,456 | ABS-MBS | US |
| MORGAN STANLEY CAPITAL I | 61767FBA8 | $10K | 0.00 | 10,000 | ABS-MBS | US |
| FNMA GTD MTG PASS THRU CTF | 3140KKTJ3 | $10K | 0.00 | 11,614 | ABS-MBS | US |
| UST NOTES | 91282CKX8 | $5K | 0.00 | 5,000 | DBT | US |
| KUBOTA CREDIT OWNER TRUST 2024-2 | 50117DAB2 | $2K | 0.00 | 2,337 | ABS-CBDO | US |
| CITIZENS AUTO RECEIVABLES TRUST 2024-2 | 17331XAD3 | $980 | 0.00 | 976 | ABS-CBDO | US |
| CITIGROUP GLOBAL MARKETS LIMITED | — | $703 | 0.00 | 5,000 | DCR | GB |
| WORLD OMNI AUTO RECEIVABLES TR 2023-B | 98164QAD0 | $407 | 0.00 | 406 | ABS-CBDO | US |
| MORGAN STANLEY CAPITAL SERVICES LLC | — | -$6K | 0.00 | 2,100,000 | DCR | US |
| LONDON CLEARING HOUSE | — | -$7K | 0.00 | 2,700,000 | DIR | GB |
| CHICAGO BOARD OF TRADE | — | -$20K | 0.00 | -205 | DIR | US |
| MORGAN STANLEY CAPITAL SERVICES LLC | — | -$24K | 0.00 | 2,700,000 | DCR | US |
| GOLDMAN SACHS and CO LLC (GOV REPO) | — | -$33K | 0.00 | 3,700,000 | DCR | US |
| MORGAN STANLEY CAPITAL SERVICES LLC | — | -$47K | 0.00 | 5,200,000 | DCR | US |
| CITIGROUP GLOBAL MARKETS LIMITED | — | -$71K | 0.00 | 18,500,000 | DCR | GB |
| GOLDMAN SACHS and CO LLC (GOV REPO) | — | -$78K | 0.00 | 350,000 | DCR | US |
| MORGAN STANLEY CAPITAL SERVICES LLC | — | -$83K | 0.00 | 30,000,000 | DCR | US |
| GOLDMAN SACHS and CO LLC (GOV REPO) | — | -$144K | 0.00 | 784,000 | DCR | US |
| FNMA/FHLG TBA ISSUER | 01F030660 | -$153K | 0.00 | -175,000 | ABS-MBS | US |
| CITIGROUP GLOBAL MARKETS LIMITED | — | -$155K | 0.00 | 700,000 | DCR | GB |
| BANK OF AMERICA, N.A. | — | -$199K | 0.00 | -3,610,000 | DIR | US |
| MORGAN STANLEY CAPITAL SERVICES LLC | — | -$214K | 0.00 | 900,000 | DCR | US |
| GOLDMAN SACHS and CO LLC (GOV REPO) | — | -$224K | -0.01 | 25,000,000 | DCR | US |
| LONDON CLEARING HOUSE | — | -$271K | -0.01 | 17,383,000 | DIR | GB |
| LONDON CLEARING HOUSE | — | -$310K | -0.01 | 27,590,000 | DIR | GB |
| BANK OF AMERICA, N.A. | — | -$537K | -0.01 | -9,600,000 | DIR | US |
| BANK OF AMERICA, N.A. | — | -$1.7M | -0.04 | -29,000,000 | DIR | US |
| FNMA/FHLG TBA ISSUER | 01F022667 | -$1.8M | -0.04 | -2,100,000 | ABS-MBS | US |
| FNMA/FHLG TBA ISSUER | 01F032666 | -$6.9M | -0.16 | -7,600,000 | ABS-MBS | US |
| FNMA/FHLG TBA ISSUER | 01F050460 | -$22.9M | -0.51 | -22,775,000 | ABS-MBS | US |
| FNMA/FHLG TBA ISSUER | 01F062663 | -$23.1M | -0.52 | -22,200,000 | ABS-MBS | US |
| FNMA/FHLG TBA ISSUER | 01F042665 | -$33.3M | -0.75 | -34,700,000 | ABS-MBS | US |
| GNMA II GTD PASS THRU CTF MULTIPLE ISSUER | 21H050664 | -$67.4M | -1.51 | -68,250,000 | ABS-MBS | US |
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Sector breakdown
Other/Unmapped
100.0%
Institutional owners (13F) 55 filers
Institutions that report holding this ETF in their quarterly SEC Form 13F. Long positions only; a single filer may appear twice for separate option legs. Large offsetting put/call legs typically reflect market-making or hedged inventory, not directional conviction.
| Institution | Value | % of tracked 13F | Shares | Type | As of |
|---|---|---|---|---|---|
| FMR LLC | $5,039,820,752 | 98.50% | 114,959,415 | Shares | June 30, 2026 |
| Cetera Investment Advisers | $20,598,414 | 0.40% | 469,854 | Shares | June 30, 2026 |
| CITADEL ADVISORS LLC | $11,071,091 | 0.22% | 252,534 | Shares | June 30, 2026 |
| Global Wealth Strategies & Associates | $9,340,606 | 0.18% | 213,061 | Shares | June 30, 2026 |
| ENVESTNET ASSET MANAGEMENT INC | $5,971,374 | 0.12% | 136,208 | Shares | June 30, 2026 |
| JPMORGAN CHASE & CO | $4,547,286 | 0.09% | 103,183 | Shares | June 30, 2026 |
| Kestra Advisory Services, LLC | $3,275,986 | 0.06% | 74,726 | Shares | June 30, 2026 |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | $2,993,897 | 0.06% | 68,557 | Shares | June 30, 2026 |
| JANE STREET GROUP, LLC | $2,104,715 | 0.04% | 48,009 | Shares | June 30, 2026 |
| &PARTNERS | $1,732,720 | 0.03% | 37,862 | Shares | June 30, 2026 |
| RCS Financial Planning, LLC | $1,191,645 | 0.02% | 27,097 | Shares | June 30, 2026 |
| KINTRA WEALTH, LLC | $1,184,996 | 0.02% | 27,216 | Shares | June 30, 2026 |
| Creative Planning | $1,149,134 | 0.02% | 26,212 | Shares | June 30, 2026 |
| LPL Financial LLC | $941,815 | 0.02% | 21,483 | Shares | June 30, 2026 |
| MERCER GLOBAL ADVISORS INC /ADV | $858,058 | 0.02% | 19,573 | Shares | June 30, 2026 |
| Focus Partners Wealth | $732,347 | 0.01% | 16,705 | Shares | June 30, 2026 |
| Synergy Asset Management, LLC | $618,188 | 0.01% | 14,101 | Shares | June 30, 2026 |
| High Falls Advisors, Inc | $543,014 | 0.01% | 12,305 | Shares | Dec. 31, 2025 |
| Capital Investment Advisors, LLC | $495,810 | 0.01% | 11,310 | Shares | June 30, 2026 |
| MONECO ADVISORS, LLC | $474,349 | 0.01% | 10,820 | Shares | June 30, 2026 |
| Envestnet Portfolio Solutions, Inc. | $421,828 | 0.01% | 9,622 | Shares | June 30, 2026 |
| Galvin, Gaustad & Stein, LLC | $418,365 | 0.01% | 9,543 | Shares | June 30, 2026 |
| Mariner, LLC | $407,011 | 0.01% | 9,284 | Shares | June 30, 2026 |
| Calamos Wealth Management LLC | $392,938 | 0.01% | 8,963 | Shares | June 30, 2026 |
| RDA Financial Network | $370,799 | 0.01% | 8,458 | Shares | June 30, 2026 |
| Curi Capital, LLC | $358,061 | 0.01% | 8,142 | Shares | June 30, 2026 |
| Savant Capital, LLC | $351,729 | 0.01% | 8,023 | Shares | June 30, 2026 |
| SMITH CHAS P & ASSOCIATES PA CPAS | $342,741 | 0.01% | 7,818 | Shares | March 31, 2026 |
| Advisor OS, LLC | $322,049 | 0.01% | 7,346 | Shares | June 30, 2026 |
| Foundation Wealth Management, LLC\PA | $314,947 | 0.01% | 7,184 | Shares | June 30, 2026 |
| BANK OF AMERICA CORP /DE/ | $287,064 | 0.01% | 6,548 | Shares | June 30, 2026 |
| J.W. COLE ADVISORS, INC. | $286,090 | 0.01% | 6,526 | Shares | June 30, 2026 |
| GRIES FINANCIAL LLC | $275,449 | 0.01% | 6,246 | Shares | Sept. 30, 2025 |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $250,282 | 0.00% | 5,709 | Shares | June 30, 2026 |
| AE Wealth Management LLC | $244,627 | 0.00% | 5,580 | Shares | June 30, 2026 |
| ShoreHaven Wealth Partners, LLC | $231,168 | 0.00% | 5,273 | Shares | June 30, 2026 |
| Dentgroup LLC | $230,027 | 0.00% | 5,212 | Shares | Dec. 31, 2025 |
| MAI Capital Management | $223,015 | 0.00% | 5,087 | Shares | June 30, 2026 |
| HOWE & RUSLING INC | $218,104 | 0.00% | 4,975 | Shares | June 30, 2026 |
| Meridian Wealth Management, LLC | $218,041 | 0.00% | 4,974 | Shares | June 30, 2026 |
| NWAM LLC | $201,197 | 0.00% | 4,589 | Shares | June 30, 2026 |
| RAYMOND JAMES FINANCIAL INC | $168,214 | 0.00% | 3,837 | Shares | June 30, 2026 |
| JONES FINANCIAL COMPANIES LLLP | $134,155 | 0.00% | 3,040 | Shares | June 30, 2026 |
| Allworth Financial LP | $115,256 | 0.00% | 2,629 | Shares | June 30, 2026 |
| Steward Partners Investment Advisory, LLC | $108,899 | 0.00% | 2,484 | Shares | June 30, 2026 |
| Cornerstone Planning Group LLC | $79,993 | 0.00% | 1,845 | Shares | June 30, 2026 |
| Farther Finance Advisors, LLC | $78,756 | 0.00% | 1,796 | Shares | June 30, 2026 |
| IFP Advisors, Inc | $75,931 | 0.00% | 1,732 | Shares | June 30, 2026 |
| Integrated Wealth Concepts LLC | $14,497 | 0.00% | 331 | Shares | June 30, 2026 |
| Thrivent Financial for Lutherans | $5,729 | 0.00% | 130,680 | Shares | June 30, 2026 |
| FIDUCIARY FINANCIAL ADVISORS | $5,524 | 0.00% | 126 | Shares | June 30, 2026 |
| Tower Research Capital LLC (TRC) | $3,989 | 0.00% | 91 | Shares | June 30, 2026 |
| HRT FINANCIAL LP | $640 | 0.00% | 14,619 | Shares | June 30, 2026 |
| Sunbelt Securities, Inc. | $526 | 0.00% | 12 | Shares | March 31, 2026 |
| MORGAN STANLEY | $466 | 0.00% | 10 | Shares | June 30, 2026 |
Peer funds
More from this issuer
| Fund | AUM |
|---|---|
| FBND Fidelity Merrimack Street Trust | $26.1B |
| FTEC FIDELITY COVINGTON TRUST | $17.9B |
| ONEQ Fidelity Commonwealth Trust | $10.9B |
| FDVV FIDELITY COVINGTON TRUST | $9.2B |
| FBCG FIDELITY COVINGTON TRUST | $6.2B |
| FHLC FIDELITY COVINGTON TRUST | $2.9B |
| FUTY FIDELITY COVINGTON TRUST | $2.5B |
| FSMD FIDELITY COVINGTON TRUST | $2.4B |
| FNCL FIDELITY COVINGTON TRUST | $2.2B |
| FIDU FIDELITY COVINGTON TRUST | $2.1B |
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