MBB PUBLIC MARKETS I LLC — 13F Holdings & Portfolio

CIK 1892378 · latest 13F-HR filed 2026-05-15

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Loading holdings…
AUM

$839.4M

Long-equity book

Holdings

25

Distinct positions

Period

2026-03-31

Filed 2026-05-15

Q/Q Activity

+3 / −6 / ↑7 / ↓7

vs 2025-12-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • FERGUSON ENTERPRISES INC$19.0M +18.2%
  • VANGUARD MUN BD FDS$7.8M +27.7%
  • MEDLINE INC$6.1M +6.0%
  • BUNGE GLOBAL SA$861.3K +9.6%
  • VIEMED HEALTHCARE INC$41.6K +24.0%
Show all 7

Top Trims

  • ALPHABET INC-$23.6M -47.7%
  • PROGRESSIVE CORP-$20.6M -10.4%
  • BROADCOM INC-$19.3M -86.2%
  • TECK RESOURCES LTD-$10.2M -38.0%
  • EQT CORP-$2.8M -8.5%
Show all 7

New Positions

  • ELEMENT SOLUTIONS INC$254.1K
  • UNIFIRST CORP MASS$214.9K
  • RUSH ENTERPRISES INC$211.5K
Show all 3

Exited Positions

  • VANGUARD TAX-MANAGED FDS$41.4M
  • AMGEN INC$19.9M
  • FREEPORT-MCMORAN INC$5.1M
  • WESTERN DIGITAL CORP$254.1K
  • ALPHABET INC$245.1K
Show all 6
All Holdings

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 PROGRESSIVE CORP PGR 743315103 $176.5M 21.03% 890,558 SH
2 AERCAP HOLDINGS NV AER N00985106 $155.5M 18.52% 1,133,357 SH
3 AMAZON COM INC AMZN 023135106 $141.9M 16.90% 681,280 SH
4 FERGUSON ENTERPRISES INC FERG 31488V107 $123.1M 14.67% 527,772 SH
5 MEDLINE INC MDLN 58507V107 $108.6M 12.94% 2,441,379 SH
6 VANGUARD MUN BD FDS VTEB 922907746 $35.8M 4.27% 718,533 SH
7 EQT CORP EQT 26884L109 $30.2M 3.60% 475,000 SH
8 ALPHABET INC GOOGL 02079K305 $25.9M 3.08% 90,000 SH
9 TECK RESOURCES LTD TECK 878742204 $16.7M 1.99% 323,228 SH
10 BUNGE GLOBAL SA BG H11356104 $9.8M 1.17% 77,400 SH
11 KYVERNA THERAPEUTICS INC KYTX 501976104 $5.3M 0.63% 614,477 SH
12 AMAZON COM INC Call AMZN 023135106 $4.2M 0.50% 20,000 SH
13 BROADCOM INC AVGO 11135F101 $3.1M 0.37% 10,000 SH
14 GARRETT MOTION INC GTX 366505105 $286.5K 0.03% 15,768 SH
15 INSTALLED BLDG PRODS INC IBP 45780R101 $265.1K 0.03% 1,000 SH
16 ELEMENT SOLUTIONS INC ESI 28618M106 $254.1K 0.03% 7,444 SH
17 AFFILIATED MANAGERS GROUP AMG 008252108 $247.4K 0.03% 894 SH
18 INTERNATIONAL MONEY EXPRESS IMXI 46005L101 $224.0K 0.03% 14,179 SH
19 SAIA INC SAIA 78709Y105 $217.1K 0.03% 618 SH
20 ADAPTHEALTH CORP AHCO 00653Q102 $215.8K 0.03% 18,132 SH
21 VIEMED HEALTHCARE INC VMD 92663R105 $215.4K 0.03% 23,384 SH
22 UNIFIRST CORP MASS UNF 904708104 $214.9K 0.03% 854 SH
23 RUSH ENTERPRISES INC RUSHA 781846209 $211.5K 0.03% 3,199 SH
24 HILLMAN SOLUTIONS CORP HLMN 431636109 $180.1K 0.02% 21,650 SH
25 JANUS INTERNATIONAL GROUP IN JBI 47103N106 $102.0K 0.01% 19,808 SH
Filing History
Period Filed AUM Holdings Accession
2026-03-31 2026-05-15 $839.4M 25 0001214659-26-006462
2025-12-31 2026-02-17 $957.2M 27 0001214659-26-001973
2025-09-30 2025-11-14 $752.4M 38 0001214659-25-016628