Institutional Manager · CIK 0001583092
Main Management LLC
SAN FRANCISCO, CA · File #028-15578
Latest AUM
$1.4M
Positions
104
Top-10 Concentration
73.2%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| REDUCE | SEMICONDUCTORS | 92189F676 | -147,948 | -$53,285 | +$5,589 |
| ADD | TECHNOLOGY | 81369Y803 | +347,205 | +$49,987 | -$44,976 |
| ADD | FINANCIALS | 81369Y605 | +628,992 | +$34,450 | +$1,277 |
| ADD | CONSUMER DISCRETIONARY | 81369Y407 | +218,238 | +$26,060 | -$34,612 |
| REDUCE | SOFTWARE | 464287515 | -232,505 | -$24,572 | -$2,985 |
| ADD | HEALTH CARE | 81369Y209 | +154,585 | +$23,930 | +$8,842 |
| NEW | MATERIALS | 81369Y100 | +384,829 | +$17,452 | $0 |
| NEW | ENERGY | 81369Y506 | +345,000 | +$15,425 | $0 |
| EXITED | UTILITIES | 81369Y886 | -172,700 | -$15,061 | $0 |
| ADD | MAIN BUYWRITE | NTRSO | +403,560 | +$5,779 | +$840 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025104 pos · $1.4M
- 13F HOLDINGS REPORTQ/E Sep 2025105 pos · $1.4M
- 13F HOLDINGS REPORTQ/E Jun 2025104 pos · $1.3M
- 13F HOLDINGS REPORTQ/E Mar 2025114 pos · $1.1M
- 13F HOLDINGS REPORTQ/E Dec 2024134 pos · $1.2M
- 13F HOLDINGS REPORTQ/E Sep 2024140 pos · $1.2M
- 13F HOLDINGS REPORTQ/E Jun 2024143 pos · $1.2M
- 13F HOLDINGS REPORTQ/E Mar 2024154 pos · $1.17B
- 13F HOLDINGS REPORTQ/E Dec 2023134 pos · $986,459
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | LARGE CAP CORE | SPY | 236,536 | $161,298 | 11.64% |
| 2 | MAIN BUYWRITE | NTRSO | 8,036,358 | $115,081 | 8.31% |
| 3 | FINANCIALS | 81369Y605 | 2,047,301 | $112,131 | 8.10% |
| 4 | HEALTH CARE | 81369Y209 | 720,318 | $111,505 | 8.05% |
| 5 | COMMUNICATIONS SERVICES | 81369Y852 | 904,512 | $106,479 | 7.69% |
| 6 | INTERNATIONAL COUNTRY ROTATION | NTRSO | 3,735,118 | $104,247 | 7.53% |
| 7 | TECHNOLOGY | 81369Y803 | 673,373 | $96,945 | 7.00% |
| 8 | THEMATIC INNOVATION | NTRSO | 2,925,306 | $73,162 | 5.28% |
| 9 | NASDAQ | IVZ | 117,654 | $72,276 | 5.22% |
| 10 | CONSUMER DISCRETIONARY | 81369Y407 | 506,118 | $60,436 | 4.36% |
| 11 | NASDAQ 100 | IVZ | 192,645 | $48,724 | 3.52% |
| 12 | S&P 500 EQUAL WEIGHT | IVZ | 187,430 | $35,904 | 2.59% |
| 13 | US SECTOR ROTATION | NTRSO | 406,208 | $26,213 | 1.89% |
| 14 | AGGREGATE BONDS | 921937835 | 317,481 | $23,516 | 1.70% |
| 15 | HEALTH CARE | 92204A504 | 66,650 | $19,185 | 1.39% |
| 16 | 0-3 MONTH TREASURY | 46436E718 | 188,907 | $18,962 | 1.37% |
| 17 | ALL WORLD EX-US | 922042775 | 248,909 | $18,310 | 1.32% |
| 18 | DEVELOPED MARKETS | 46432F842 | 201,920 | $18,064 | 1.30% |
| 19 | INFORMATION TECHNOLOGY | 92204A702 | 23,472 | $17,693 | 1.28% |
| 20 | MATERIALS | 81369Y100 | 384,829 | $17,452 | 1.26% |