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Super Investors MBB PUBLIC MARKETS I LLC
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MBB PUBLIC MARKETS I LLC

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$926M
Positions
26
Quarter ended
June 30, 2026
Filed
August 14, 2026

Reported portfolio value by quarter (19 quarters reported)

$5.06B $752M
Q4 21 Q4 22 Q4 23 Q4 24 Q4 25 Q2 26

$5.06B in Q4 2021 → $926M now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Progressive Corp 22.2% Added 5.7% 941,511 $206M
AH Aercap Holdings Nv 19.3% Added 8.0% 1,224,242 $178M
Amazon Com Inc 18.9% Added 8.0% 735,480 $175M
Ferguson Enterprises Inc 14.3% Added 5.7% 557,772 $132M
Medline Inc 10.4% Unchanged 2,441,379 $96.3M
VM Vanguard Mun Bd Fds 8.8% Added 125% 1,614,405 $81.7M
Eqt Corp 2.7% Unchanged 475,000 $25.3M
Alphabet Inc 1.5% Trimmed 56% 40,000 $14.3M
Teck Resources Ltd 0.8% Trimmed 63% 120,228 $7.15M
Kyverna Therapeutics Inc 0.6% Unchanged 614,477 $5.47M
Garrett Motion Inc 0.1% Unchanged 15,768 $571K
Element Solutions Inc 0.0% Unchanged 7,444 $355K
Affiliated Managers Group 0.0% Unchanged 894 $303K
Amazon Com Inc Call 0.0% Trimmed 94% 1,250 $298K
Viemed Healthcare Inc 0.0% Unchanged 23,384 $267K
Saia Inc 0.0% Unchanged 618 $260K
LS Landstar Sys Inc 0.0% New 1,136 $235K
Rush Enterprises Inc 0.0% Unchanged 3,199 $233K
IB Installed Bldg Prods Inc 0.0% Unchanged 1,000 $230K
UM Unifirst Corp Mass 0.0% Unchanged 854 $226K
LH Lantheus Hldgs Inc 0.0% New 2,017 $224K
Frontdoor Inc 0.0% New 2,811 $218K
International Money Express 0.0% Unchanged 14,179 $205K
Adapthealth Corp 0.0% Unchanged 18,132 $189K
Hillman Solutions Corp 0.0% Unchanged 21,650 $183K
JI Janus International Group In 0.0% Unchanged 19,808 $110K

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 14, 2026

Company Action Shares changed Value of change % of portfolio
VM Vanguard Mun Bd Fds Added +895,872 +$45.3M 8.8%
Alphabet Inc Trimmed −50,000 −$17.9M 1.5%
AH Aercap Holdings Nv Added +90,885 +$13.2M 19.3%
Amazon Com Inc Added +54,200 +$12.9M 18.9%
Teck Resources Ltd Trimmed −203,000 −$12.1M 0.8%
Progressive Corp Added +50,953 +$11.1M 22.2%
Bunge Global Sa Exited −77,400 −$9.85M —
Ferguson Enterprises Inc Added +30,000 +$7.12M 14.3%
Amazon Com Inc Trimmed −18,750 −$4.47M —
Broadcom Inc Exited −10,000 −$3.1M —

Showing the 10 largest of 13 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 15, 2026

Company Action Shares changed Value of change % of portfolio
VT Vanguard Tax-managed Fds Exited −662,117 −$41.4M —
Amgen Inc Exited −60,824 −$19.9M —
Alphabet Inc Trimmed −67,986 −$19.6M 3.1%
Broadcom Inc Trimmed −54,841 −$17M 0.4%
Ferguson Enterprises Inc Added +60,000 +$14M 14.7%
Teck Resources Ltd Trimmed −240,000 −$12.4M 2.0%
Amazon Com Inc Added +45,401 +$9.46M 16.9%
Eqt Corp Trimmed −141,513 −$9.01M 3.6%
VM Vanguard Mun Bd Fds Added +160,200 +$7.99M 4.3%
Freeport-mcmoran Inc Exited −100,000 −$5.08M —

Showing the 10 largest of 19 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 17, 2026

Company Action Shares changed Value of change % of portfolio
Medline Inc New +2,441,379 +$103M 10.7%
Amazon Com Inc Added +196,700 +$45.4M 15.3%
Ferguson Enterprises Inc Added +175,000 +$39M 10.9%
VM Vanguard Mun Bd Fds New +558,333 +$28.1M 2.9%
Progressive Corp Added +120,000 +$27.3M 20.6%
Microsoft Corp Exited −50,939 −$26.4M —
Bunge Global Sa Trimmed −280,000 −$24.9M 0.9%
I Ishares Inc Exited −104,482 −$8.38M —
Freeport-mcmoran Inc Trimmed −121,678 −$6.18M 0.5%
Cameco Corp Exited −50,965 −$4.27M —

Showing the 10 largest of 28 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 14, 2025

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Tr Exited −240,000 −$148M —
Amazon Com Inc Added +250,000 +$54.9M 12.8%
Progressive Corp Added +155,652 +$38.4M 24.5%
AH Aercap Holdings Nv Added +292,042 +$35.3M 18.2%
Cameco Corp Trimmed −328,900 −$27.6M 0.6%
I Ishares Inc Trimmed −280,000 −$22.5M 1.1%
Vistra Corp Exited −93,848 −$18.2M —
Amazon Com Inc Exited −80,000 −$17.6M —
S Schlumberger Ltd Exited −446,991 −$15.1M —
IH Iqvia Hldgs Inc Exited −84,986 −$13.4M —

Showing the 10 largest of 491 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 14, 2025

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Tr New +240,000 +$148M 14.0%
Progressive Corp Added +239,830 +$64M 14.9%
Ferguson Enterprises Inc New +267,772 +$58.3M 5.5%
SS SPDR Ser Tr Exited −942,381 −$48.2M —
AH Aercap Holdings Nv Added +324,589 +$38M 9.3%
Unitedhealth Group Inc Exited −71,033 −$37.2M —
Coterra Energy Inc Trimmed −1,033,746 −$26.2M —
SS SPDR Series Trust Trimmed −590,470 −$25.2M 0.3%
Meta Platforms Inc Trimmed −28,102 −$20.7M —
Amazon Com Inc New +80,000 +$17.6M 1.7%

Showing the 10 largest of 531 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 16, 2025

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Tr Exited −155,000 −$90.8M —
AH Aercap Holdings Nv New +516,726 +$52.8M 5.8%
Teck Resources Ltd Trimmed −1,009,086 −$36.8M 3.0%
VT Vanguard Tax-managed Fds New +662,117 +$33.7M 3.7%
DE Dimensional ETF Trust Trimmed −641,733 −$33M 0.8%
Progressive Corp Added +109,370 +$31M 10.9%
Coterra Energy Inc Trimmed −921,057 −$26.6M 3.3%
VP Vici Pptys Inc Trimmed −750,894 −$24.5M —
I Ishares Inc Trimmed −875,071 −$22.6M 0.3%
SS SPDR Ser Tr Added +410,000 +$21M 5.3%

Showing the 10 largest of 547 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 14, 2025

Company Action Shares changed Value of change % of portfolio
Teck Resources Ltd Trimmed −2,780,253 −$113M 0.4%
SS SPDR S&P 500 ETF Tr New +155,000 +$90.8M 8.4%
Progressive Corp Added +239,266 +$57.3M 5.4%
Coterra Energy Inc Trimmed −2,078,770 −$53.1M 0.2%
Cameco Corp Trimmed −1,027,394 −$52.8M 0.4%
Teck Resources Ltd Trimmed −1,145,214 −$46.4M 6.6%
SS Select Sector SPDR Tr Exited −246,933 −$38M —
Eqt Corp Exited −995,640 −$36.5M —
Bunge Global Sa Trimmed −442,395 −$34.4M 0.1%
SS SPDR Ser Tr Added +526,258 +$28.8M 2.7%

Showing the 10 largest of 558 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 14, 2024

Company Action Shares changed Value of change % of portfolio
Apple Inc Trimmed −1,042,571 −$243M —
Microsoft Corp Trimmed −503,582 −$217M —
Nvidia Corporation Trimmed −1,764,860 −$214M —
IE Invesco Exchange Traded Fd T Trimmed −916,117 −$164M 2.1%
Teck Resources Ltd Added +2,780,553 +$145M 8.5%
Amazon Com Inc Trimmed −753,097 −$140M 0.5%
IT Ishares Tr Trimmed −1,709,922 −$100M 0.5%
Meta Platforms Inc Trimmed −161,561 −$92.5M 1.2%
Alphabet Inc Trimmed −446,075 −$74M 0.4%
Alphabet Inc Exited −361,788 −$66.4M —

Showing the 10 largest of 720 changes.

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