MBB Public Markets I LLC reported 24 positions worth $844.08M for the quarter ended Jun 30, 2026, up 5.6% on the prior quarter. It opened 3 new positions, added to 4, trimmed 2 and exited 2. Its largest holding is Progressive Corp at 24.4% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| AER AerCap Holdings N.V. | +90.9K | +8.0% | $13.25M | 21.14% |
| AMZN Amazon Com Inc | +54.2K | +8.0% | $12.92M | 20.77% |
| PGR Progressive Corp | +51.0K | +5.7% | $11.13M | 24.37% |
| FERG Ferguson Enterprises Inc. | +30.0K | +5.7% | $7.12M | 15.68% |
| LSTR Landstar System Inc | +1,136 | – | $234.94K | 0.028% |
| LNTH Lantheus Holdings, Inc. | +2,017 | – | $223.77K | 0.027% |
| FTDR Frontdoor, Inc. | +2,811 | – | $218.11K | 0.026% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | PGR Progressive Corp | Financial Services | 941.5K | $205.67M | 24.37% | +51.0K | +5.7% | Added | 0.16% |
| 2 | AER AerCap Holdings N.V. | Industrials | 1.22M | $178.47M | 21.14% | +90.9K | +8.0% | Added | 0.71% |
| 3 | AMZN Amazon Com Inc | Consumer Discretionary | 735.5K | $175.29M | 20.77% | +54.2K | +8.0% | Added | 0.01% |
| 4 | FERG Ferguson Enterprises Inc. | Industrials | 557.8K | $132.38M | 15.68% | +30.0K | +5.7% | Added | 0.29% |
| 5 | MDLN Medline Inc. | Healthcare | 2.44M | $96.29M | 11.41% | 0 | 0.0% | Unchanged | 0.19% |
| 6 | EQT EQT Corp | Energy | 475.0K | $25.26M | 2.99% | 0 | 0.0% | Unchanged | 0.08% |
| 7 | GOOGL Alphabet Inc. | Technology | 40.0K | $14.29M | 1.69% | -50.0K | -55.6% | Reduced | 0% |
| 8 | TECK Teck Resources Ltd | Basic Materials | 120.2K | $7.15M | 0.847% | -203.0K | -62.8% | Reduced | 0.02% |
| 9 | KYTX Kyverna Therapeutics, Inc. | Healthcare | 614.5K | $5.47M | 0.649% | 0 | 0.0% | Unchanged | 1% |
| 10 | GTX Garrett Motion Inc. | Industrials | 15.8K | $571.28K | 0.068% | 0 | 0.0% | Unchanged | 0.01% |
| 11 | ESI Element Solutions Inc | Basic Materials | 7,444 | $355.45K | 0.042% | 0 | 0.0% | Unchanged | 0% |
| 12 | AMG Affiliated Managers Group, Inc. | Financial Services | 894 | $302.53K | 0.036% | 0 | 0.0% | Unchanged | 0% |
| 13 | VMD Viemed Healthcare, Inc. | Healthcare | 23.4K | $266.58K | 0.032% | 0 | 0.0% | Unchanged | 0.06% |
| 14 | SAIA Saia Inc | Industrials | 618 | $260.28K | 0.031% | 0 | 0.0% | Unchanged | 0% |
| 15 | LSTR Landstar System Inc | Industrials | 1,136 | $234.94K | 0.028% | +1,136 | – | New | 0% |
Tip. Select a row to see that position’s full history at Mbb Public Markets I.
As of its Q2 2026 13F filing, MBB Public Markets I LLC’s five largest positions were Progressive Corp (PGR) at 24.4%, AerCap Holdings N.V. (AER) at 21.1%, Amazon Com Inc (AMZN) at 20.8%, Ferguson Enterprises Inc. (FERG) at 15.7%, Medline Inc. (MDLN) at 11.4% of the reported portfolio.
MBB Public Markets I LLC reported a 13F portfolio worth $844.08M across 24 positions for Q2 2026. That is up 5.6% from the previous quarter.
Its largest purchases by value were AerCap Holdings N.V. ($13.25M), Amazon Com Inc ($12.92M), Progressive Corp ($11.13M). It opened 3 new positions.
Its largest sales by value were Alphabet Inc. ($17.87M), Teck Resources Ltd ($12.07M), Bunge Global SA ($9.85M). It exited 2 positions entirely.
From the Form 13F-HR reports MBB Public Markets I LLC files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.