Main Management ETF Advisors, LLC — 13F Holdings & Portfolio
CIK 1698607 · latest 13F-HR filed 2026-08-14
Main Management ETF Advisors, LLC manages $3.30B in 13F-reported U.S. long-equity assets across 103 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are XLK (34.76%), XLF (15.44%), XLI (10.68%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 24 new positions and exited 36; 54 existing positions rose in reported value and 18 fell.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
Long-equity book
Distinct positions
Filed 2026-08-14
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q2 26Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.
Sector mix
% of 13F valueSectors from each company's SIC code; funds and ETFs grouped separately.
Biggest buys and sells
Q1 26 → Q2 26Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.
13F assets and positions
4 quartersTotal reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.
Top positions over time
reported valueThe eight largest current positions, valued at each quarter end.
Concentration
top 10 = 89.3%Cumulative share of the portfolio held in the largest N positions.
As of the firm’s regulatory filing dated Mar 31, 2026.
SUITE 300
SAN FRANCISCO, CA 94108-2811
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| ARTHUR, KIM, DAVID Control | PRESIDENT AND CHIEF EXECUTIVE OFFICER since Feb 2017 | Less than 5% | Individual |
| ESMAIL, HAFEEZ, AKBER Control | CHIEF COMPLIANCE OFFICER since Feb 2017 | Less than 5% | Individual |
| LaBarbera, Joseph, Philip Control | SECRETARY AND CHIEF OPERATING OFFICER since Dec 2024 | Less than 5% | Individual |
| MAIN MANAGEMENT, LLC Control | MANAGING MEMBER AND SOLE OWNER since Feb 2017 | 75% or more | Domestic Entity |
| ARTHUR, KIM, DAVID Control Indirect owner via MAIN MANAGEMENT, LLC | MANAGING MEMBER, CEO AND PRESIDENT since Aug 2002 | 25–50% | Individual |
Ownership & leadership changes · 2 filings with changes since Jun 12, 2017
From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.
- No longer listedDOCKER, BLAINE, Anderson · SECRETARY AND CHIEF OPERATING OFFICER · Less than 5% · control person · listed since Feb 2017
- AddedLaBarbera, Joseph, Philip · SECRETARY AND CHIEF OPERATING OFFICER · Less than 5% · control person
- No longer listedCONCIDINE, JAMES, WESLEY · MANAGING MEMBER · 25–50% · indirect via MAIN MANAGEMENT, LLC · control person · listed since Jul 2002
- ListedARTHUR, KIM, DAVID · PRESIDENT AND CHIEF EXECUTIVE OFFICER · Less than 5% · control person
- ListedARTHUR, KIM, DAVID · MANAGING MEMBER, CEO AND PRESIDENT · 25–50% · indirect via MAIN MANAGEMENT, LLC · control person
- ListedCONCIDINE, JAMES, WESLEY · MANAGING MEMBER · 25–50% · indirect via MAIN MANAGEMENT, LLC · control person
- ListedDOCKER, BLAINE, Anderson · SECRETARY AND CHIEF OPERATING OFFICER · Less than 5% · control person
- ListedESMAIL, HAFEEZ, AKBER · CHIEF COMPLIANCE OFFICER · Less than 5% · control person
- ListedMAIN MANAGEMENT, LLC · MANAGING MEMBER AND SOLE OWNER · 75% or more · control person
Quarter-over-quarter changes
Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.
Top Adds (vs prior quarter)
- State Street Technology Select Sector SPDR ETF USD Class$470.5M +69.4%
- State Street Financial Select Sector SPDR ETF USD Class$268.6M +111.3%
- State Street Industrial Select Sector SPDR ETF USD Class$126.2M +55.7%
- State Street Consumer Discretionary Select Sector SPDR ETF$24.6M +10.8%
- iShares Core MSCI Emerging Markets ETF USD Class$12.0M +34.5%
Top Trims
- Zscaler Inc.-$859.0K -44.1%
- Ciena Corporation-$813.0K -20.3%
- Insulet Corporation-$765.0K -25.6%
- Karman Holdings Inc.-$640.0K -36.1%
- Constellation Energy Corporation-$627.0K -24.6%
Main Management ETF Advisors, LLC Holdings (2026-06-30)
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | State Street Technology Select Sector SPDR ETF USD Class | XLK | 81369Y803 | $1.15B | 34.76% | 6,026,894 | SH |
| 2 | State Street Financial Select Sector SPDR ETF USD Class | XLF | 81369Y605 | $509.9M | 15.44% | 9,511,811 | SH |
| 3 | State Street Industrial Select Sector SPDR ETF USD Class | XLI | 81369Y704 | $352.8M | 10.68% | 1,904,735 | SH |
| 4 | State Street Consumer Discretionary Select Sector SPDR ETF | XLY | 81369Y407 | $251.2M | 7.60% | 2,141,512 | SH |
| 5 | Invesco Nasdaq 100 ETF USD Class | QQQM | 46138G649 | $178.9M | 5.42% | 590,648 | SH |
| 6 | State Street Utilities Select Sector SPDR ETF USD Class | XLU | 81369Y886 | $169.5M | 5.13% | 3,739,385 | SH |
| 7 | State Street Materials Select Sector SPDR ETF USD Class | XLB | 81369Y100 | $108.5M | 3.29% | 2,135,161 | SH |
| 8 | State Street Energy Select Sector SPDR ETF USD Class | XLE | 81369Y506 | $98.5M | 2.98% | 1,853,850 | SH |
| 9 | iShares Core MSCI International Developed Markets ETF | IDEV | 46435G326 | $86.5M | 2.62% | 971,458 | SH |
| 10 | iShares Core MSCI Emerging Markets ETF USD Class | IEMG | 46434G103 | $46.7M | 1.41% | 564,085 | SH |
| 11 | State Street SPDR Portfolio Europe ETF | XCNY | 78463X103 | $28.4M | 0.86% | 516,918 | SH |
| 12 | iShares Latin America 40 ETF | ILF | 464287390 | $23.2M | 0.70% | 685,980 | SH |
| 13 | Vanguard FTSE Pacific ETF | VPL | 922042866 | $19.4M | 0.59% | 167,739 | SH |
| 14 | SPDR Portfolio Emerging Markets ETF USD Class | SPEM | 78463X509 | $16.5M | 0.50% | 318,850 | SH |
| 15 | Micron Technology Inc. | MU | 595112103 | $13.4M | 0.40% | 11,574 | SH |
| 16 | Palo Alto Networks Inc. | PANW | 697435105 | $10.3M | 0.31% | 30,247 | SH |
| 17 | Vicor Corporation | VICR | 925815102 | $9.0M | 0.27% | 23,606 | SH |
| 18 | Crowdstrike Holdings Inc. | CRWD | 22788C105 | $6.2M | 0.19% | 8,172 | SH |
| 19 | Franklin FTSE Canada ETF USD Class | FLCA | 35473P827 | $5.8M | 0.18% | 113,169 | SH |
| 20 | Advanced Micro Devices Inc. | AMD | 007903107 | $5.6M | 0.17% | 9,708 | SH |
| 21 | Fortinet Inc. | FTNT | 34959E109 | $5.6M | 0.17% | 36,585 | SH |
| 22 | Lumentum Holdings Inc. | LITE | 55024U109 | $5.6M | 0.17% | 6,494 | SH |
| 23 | Clear Secure Inc. | YOU | 18467V109 | $5.5M | 0.17% | 99,011 | SH |
| 24 | AAON Inc. | AAON | 000360206 | $5.5M | 0.17% | 43,054 | SH |
| 25 | Hinge Health Inc. | HNGE | 433313103 | $5.2M | 0.16% | 63,024 | SH |
| 26 | BlackBerry Ltd. | BB | 09228F103 | $5.1M | 0.16% | 406,287 | SH |
| 27 | iShares MSCI South Africa ETF USD Class | EZA | 464286780 | $5.1M | 0.16% | 81,024 | SH |
| 28 | Keysight Technologies Inc. | KEYS | 49338L103 | $4.8M | 0.15% | 13,742 | SH |
| 29 | Teradyne Inc. | TER | 880770102 | $4.7M | 0.14% | 9,741 | SH |
| 30 | Rubrik Inc. | RBRK | 781154109 | $4.6M | 0.14% | 57,723 | SH |
| 31 | Varonis Systems Inc. | VRNS | 922280102 | $4.2M | 0.13% | 98,981 | SH |
| 32 | Marvell Technology Inc. | MRVL | 573874104 | $4.1M | 0.12% | 13,736 | SH |
| 33 | Vertiv Holdings Company | VRT | 92537N108 | $4.1M | 0.12% | 12,181 | SH |
| 34 | Generac Holdings Inc. | GNRC | 368736104 | $4.1M | 0.12% | 13,838 | SH |
| 35 | Advanced Energy Industries Inc. | AEIS | 007973100 | $3.9M | 0.12% | 10,582 | SH |
| 36 | Seagate Technology Holdings plc | STX | G7997R103 | $3.9M | 0.12% | 4,040 | SH |
| 37 | GE Vernova Inc. | GEV | 36828A101 | $3.8M | 0.12% | 3,246 | SH |
| 38 | Veracyte Inc. | VCYT | 92337F107 | $3.7M | 0.11% | 63,329 | SH |
| 39 | Modine Manufacturing Company | MOD | 607828100 | $3.7M | 0.11% | 13,820 | SH |
| 40 | Onto Innovation Inc. | ONTO | 683344105 | $3.7M | 0.11% | 9,696 | SH |
| 41 | MYR Group Inc. | MYRG | 55405W104 | $3.7M | 0.11% | 7,326 | SH |
| 42 | Western Digital Corporation | WDC | 958102105 | $3.6M | 0.11% | 5,656 | SH |
| 43 | Cloudflare Inc. | NET | 18915M107 | $3.6M | 0.11% | 14,594 | SH |
| 44 | Bentley Systems Inc. | BSY | 08265T208 | $3.6M | 0.11% | 119,166 | SH |
| 45 | Woodward Inc. | WWD | 980745103 | $3.5M | 0.10% | 8,120 | SH |
| 46 | F5 Inc. | FFIV | 315616102 | $3.4M | 0.10% | 8,130 | SH |
| 47 | Ciena Corporation | CIEN | 171779309 | $3.2M | 0.10% | 6,489 | SH |
| 48 | Viavi Solutions Inc. | VIAV | 925550105 | $3.2M | 0.10% | 66,292 | SH |
| 49 | RBC Bearings Inc. | RBC | 75524B104 | $3.1M | 0.10% | 4,884 | SH |
| 50 | Element Solutions Inc. | ESI | 28618M106 | $3.1M | 0.09% | 65,108 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $3.30B | 103 | 0001698607-26-000004 |
| 2026-03-31 | 2026-05-15 | $2.68B | 116 | 0001698607-26-000003 |
| 2025-12-31 | 2026-02-10 | $2.81B | 124 | 0001698607-26-000002 |
| 2025-09-30 | 2025-11-14 | $2.70B | 124 | 0001698607-25-000004 |
SUITE 300
SAN FRANCISCO, CA 94108