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MBB Public Markets I portfolio

Concentrated managerType not verifiedIndividual
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Portfolio as of Jun 30, 2026 (Q2 2026) · filed with the SEC on Aug 14, 2026 · data updated on Nov 5, 2026 · Q2 2026 13F (filing) ↗ · all its 13F filings ↗

A 13F shows the portfolio at quarter-end and is filed up to 45 days later: these are not real-time positions and they may have changed.

MBB Public Markets I reported a $926M portfolio of 25 positions to the SEC as of the end of Q2 2026. Its largest positions are PGR, AER, AMZN. During the quarter it exited Bunge Global.

Stock portfolio
$926M
Positions
25
Top 10: 100%
Turnover
8%
Copying its 13F, 5 years
—
No 5 straight years measured as a concentrated manager

Sections with a free account

What changed this quarter

12 positions with a change (3 new, 5 added to, 2 trimmed, 2 sold). 8 are listed here: those of 0.5 points of the portfolio or more (up to 12).

The figure on the right: for positions added to or trimmed, the change in the number of shares (%); for new and sold ones, the points of the portfolio moved (pp). Below, the portfolio weight before → after. Traded weight: what it bought or sold, excluding price effects.

Top holdings

“Since”: first quarter of the current run, unbroken until today. In the details, prices are the quarter-end prices of the quarters in which it added shares, per the 13F. The manager may have bought at any price within each quarter; the SEC only publishes the value at quarter end.

Portfolio by sector

  • ● Industrials 34%
  • ● Financials 22%
  • ● Consumer Discretionary 19%
  • ● Health Care 11%
  • ● No sector 9%
  • ● Energy 3%
  • ● Communication Services 2%
  • ● Materials 1%

How its portfolio changed (8 quarters)

Positions

Q2 2026: 25

5340
Q3 2024Q2 2026
Top 10 weight

Q2 2026: 100%

100%47%
Q3 2024Q2 2026
Traded turnover

Q2 2026: 7.2%

40.9%0
Q3 2024Q2 2026

Traded turnover: the weight it bought plus the weight it sold in the quarter, divided by two, excluding price moves. The plain “turnover” in the header does include that effect. With a free account: the full history and sectors over time.

13F filings with amendments or confidential positions

Declared options (1)

Besides stocks, MBB Public Markets I declared 1 call (they gain if it rises) with a notional of $298K. The 13F reports the value of the underlying shares, not the premium paid, so these figures look large and are not added to the portfolio. Nor does it say whether the option is bought or written, or its strike or expiry: it may be a hedge.

Stakes above 5% (13D/13G)

Companies where this filer reported holding 5% or more of the shares. It is the figure from its latest filing on each one; history since December 2024.

How we classify it

Type not verified. It meets the portfolio criteria of a concentrated manager, but its type is not verified: we found no official document that is enough to say what kind of entity it is. It may be an investment firm, but also an adviser adding up client accounts, a bank or a family vehicle. It counts in the tallies like the rest; keep that in mind when reading it. How the type is assigned

Managers of a similar size

A 13F portfolio value between a third and three times this one, whatever the type of filer. It is not a comparison of what they hold.

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