MBB Public Markets I LLC

In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 14, 2026), MBB Public Markets I LLC reported 25 stock positions worth $925.7 million. Its top holding was Progressive (PGR) at 22.2% of the portfolio, followed by Aercap (AER, 19.3%) and Amazon.com (AMZN, 18.9%). Compared with Q1 2026, it opened 3 new positions, sold out of 2, added to 5 and reduced 2. The biggest buy was Vanguard Tax-Exempt Bond ETF (VTEB, shares +125%) and the biggest sale Alphabet Class A (GOOGL, shares −56%).

Most Recent 13F
Q2 2026
Location
CHICAGO, IL
CIK
0001892378
Portfolio Value
$925.7M (Q2 2026)
SEC Filing
0001214659-26-010375 ↗ filed Aug 14, 2026

Holdings Value

0$1.0B$2.0B$3.0B$4.0B$5.0B Q1 2024: $1.6B Q1 2024 Q2 2024: $4.8B Q2 2024 Q3 2024: $1.2B Q3 2024 Q4 2024: $843.9M Q4 2024 Q1 2025: $867.8M Q1 2025 Q2 2025: $868.8M Q2 2025 Q3 2025: $750.7M Q3 2025 Q4 2025: $957.2M Q4 2025 Q1 2026: $835.2M Q1 2026 Q2 2026: $925.7M $925.7M Q2 2026

Holdings 25 stocks · $925.7M
PGR Progressive Corp. 22.22% 941,511 $205.7M Add +5.7%
AER Aercap Holdings NV 19.28% 1,224,242 $178.5M Add +8.0%
AMZN Amazon.com Inc. 18.94% 735,480 $175.3M Add +8.0%
FERG Ferguson Enterprises Inc. 14.30% 557,772 $132.4M Add +5.7%
MDLN Medline Inc. Class A 10.40% 2,441,379 $96.3M No change
VTEB Vanguard Tax-Exempt Bond ETF 8.82% 1,614,405 $81.7M Add +124.7%
EQT Eqt Corp. 2.73% 475,000 $25.3M No change
GOOGL Alphabet Inc. Class A 1.54% 40,000 $14.3M Reduce -55.6%
TECK Teck Resources Ltd.-CLS B 0.77% 120,228 $7.1M Reduce -62.8%
KYTX Kyverna Therapeutics Inc. 0.59% 614,477 $5.5M No change
GTX Garrett Motion Inc. 0.06% 15,768 $571K No change
ESI Element Solutions Inc. 0.04% 7,444 $355K No change
AMG Affiliated Managers Group 0.03% 894 $303K No change
VMD Viemed Healthcare Inc. 0.03% 23,384 $267K No change
SAIA Saia Inc. 0.03% 618 $260K No change
LSTR Landstar System Inc. 0.03% 1,136 $235K New
RUSHA Rush Enterprises Inc. Class A 0.03% 3,199 $233K No change
IBP Installed Building Products 0.02% 1,000 $230K No change
UNF Unifirst Corp. 0.02% 854 $226K No change
LNTH Lantheus Holdings Inc. 0.02% 2,017 $224K New
FTDR Frontdoor Inc. 0.02% 2,811 $218K New
IMXI International Money Express 0.02% 14,179 $205K No change
AHCO Adapthealth Corp. 0.02% 18,132 $189K No change
HLMN Hillman Solutions Corp. 0.02% 21,650 $183K No change
JBI Janus International Group Inc. 0.01% 19,808 $110K No change

Options reported separately and not counted above: AMZN calls ($298K).

Portfolio Sells Q1 2026 → Q2 2026
GOOGL Alphabet Inc. Class A Reduce -55.6% 1.54% −1.55
TECK Teck Resources Ltd.-CLS B Reduce -62.8% 0.77% −1.23
BG Bunge Global SA Sold out 0.00% −1.18
AVGO Broadcom Inc. Sold out 0.00% −0.37

Portfolio Buys Q1 2026 → Q2 2026
VTEB Vanguard Tax-Exempt Bond ETF Add +124.7% 8.82% +4.53
AMZN Amazon.com Inc. Add +8.0% 18.94% +1.95
PGR Progressive Corp. Add +5.7% 22.22% +1.08
AER Aercap Holdings NV Add +8.0% 19.28% +0.66
LSTR Landstar System Inc. New 0.03% +0.03
LNTH Lantheus Holdings Inc. New 0.02% +0.02
FTDR Frontdoor Inc. New 0.02% +0.02
FERG Ferguson Enterprises Inc. Add +5.7% 14.30% −0.44

Options Activity Q1 2026 → Q2 2026
AMZN Amazon.com Inc. call Reduce -93.8% 1,250 $298K

Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 25$925.7MPGR, AER, AMZN, FERG, MDLN
Q1 2026 24$835.2MPGR, AER, AMZN, FERG, MDLN
Q4 2025 27$957.2MPGR, AER, AMZN, FERG, MDLN
Q3 2025 36$750.7MPGR, AER, AMZN, FERG, VEA
Q2 2025 497$868.8MPGR, AER, FERG, AMZN, VEA
Q1 2025Amended 523$867.8MPGR, AER, SPMD, UNH, AMZN
Q4 2024 58$843.9MTECK, PGR, CTRA, DFAT, BG
Q3 2024 534$1.2BTECK, SPSM, CCJ, CTRA, BG
Q2 2024 671$4.8BMSFT, AAPL, NVDA, RSP, AMZN
Q1 2024 268$1.6BRSP, TECK, XLV, BG, EWZ