MBB Public Markets I LLC
MBB Public Markets I LLC is a Chicago-based hedge fund managing a diversified multi-asset public equities portfolio. The firm manages over $1 billion, investing across domestic and international equities via a range of ETFs, corporate securities, and sector allocations. The firm is part of COUNCIL RING CAPITAL LLC for 13F reporting purposes and typically maintains several hundred distinct positions with a high turnover rate. Its primary clients are institutional investors and high-net-worth individuals. Further details on founding year, specific staffing, and direct company structure are not publicly disclosed.
Investment Strategy
MBB Public Markets I LLC employs a diversified public markets strategy, focusing on broad equity exposure through U.S. and global ETFs and direct investments in large-cap and medium-cap companies. The fund utilizes active portfolio management to balance sector allocation and adjust holdings based on market conditions, aiming to capture market growth while mitigating risks via frequent portfolio reallocation. Holdings frequently include major ETFs such as SPDR S&P 500 and sector specific funds, as well as individual positions in top-performing equities. The approach emphasizes liquidity, transparency, and risk management in pursuit of long-term capital appreciation for its clients.
Latest 13F Filing Activity
MBB Public Markets I LLC filed their most recent 13F report on Jun 30, 2025 disclosing 493 equity positions and 6 options positions with a total 13F market value of $1B. The fund increased holdings in Progressive Corp., Ferguson Enterprises Inc., Aercap Holdings NV among other positions. MBB Public Markets I LLC reduced exposure to SPDR Ser TR, Unitedhealth Group Inc., Coterra Energy Inc. among others.
Top Holdings
Equity Positions (493)
| Ticker | Security | Weight | Market Value | Shares | Avg Cost | Price | Change (QoQ) |
|---|---|---|---|---|---|---|---|
P PGR | PROGRESSIVE CORP | 14.88% | $157.4M | 589,906 | $258.66 | $266.86 | +$58.3M |
A AER | AERCAP HOLDINGS NV | 9.30% | $98.4M | 841,315 | $107.89 | $117.00 | +$45.6M |
F FERG | FERGUSON ENTERPRISES INC | 5.51% | $58.3M | 267,772 | $217.75 | $217.75 | +$58.3M |
A AMZN | AMAZON COM INC | 3.92% | $41.5M | 189,179 | $199.78 | $219.39 | +$5.5M |
V VEA | VANGUARD TAX-MANAGED FDS | 3.57% | $37.7M | 662,117 | $50.83 | $57.01 | +$4.1M |
Options Positions (6)
| Ticker | Security | Action | Type | Notional Value | Contracts | Underlying Price | Premium Paid | Change (Contracts) | Change (Value) |
|---|---|---|---|---|---|---|---|---|---|
S SPY | SPDR S&P 500 ETF TR | New | Put | $148.3M | 2,400 | $617.85 | $617.85 | +2,400 | +$148.3M |
A AMZN | AMAZON COM INC | Bought | Call | $17.6M | 800 | $219.39 | $219.39 | +800 | +$17.6M |
A AVGO | BROADCOM INC | Sold | Call | $9.6M | 350 | $275.65 | $171.72 | -150 | +$1.3M |
F FSLR | FIRST SOLAR INC | — | Call | $7.4M | 450 | $165.54 | $184.11 | 0 | +$1.8M |
E EWZ | ISHARES INC | Sold | Call | $6.3M | 2,201 | $28.85 | $28.51 | -3,292 | -$7.8M |