Vault-13

Pertento Partners LLP

LONDON, X0 · CIK 1894571 · 13F filing filed 2026-08-13

Exempt reporting adviser since 2021 · limited liability partnership

$1.4bn reported value +47.6% vs Q1 2026
14positions
83.7%in top 10
1 new 11 added 2 reduced 2 sold out vs Q1 2026

Options: 0 call positions (— notional), 3 put positions ($463.9m notional) – listed below, not included above.

This report includes the holdings of 1 other manager that shares the investment decisions:

Shares in two reports are counted once in each security's totals.

Holdings, Q2 2026

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#SecurityTickerShares Value% of portfolioChangeShares change
1 US FOODS HLDG CORP COM USFD USFD 2,152,248 $220.1m15.82% 15.82% AddedShares held: Q3 2025 1.4m, Q4 2025 1.7m, Q1 2026 1.9m, Q2 2026 2.2m +298.7k +298,740 16.1%
2 PRIMO BRANDS CORPORATION CLASS A COM SHS PRMB PRMB 6,316,237 $154.4m11.09% 11.09% AddedShares held: Q3 2025 2.8m, Q4 2025 4.5m, Q1 2026 5.3m, Q2 2026 6.3m +1.0m +1,016,219 19.2%
3 IES HOLDINGS INC COM IESC IESC 168,457 $123.8m8.89% 8.89% ReducedShares held: Q3 2025 178.8k, Q4 2025 209.4k, Q1 2026 231.2k, Q2 2026 168.5k -62.8k -62,782 -27.1%
4 PRICESMART INC COM PSMT PSMT 613,137 $119.8m8.61% 8.61% AddedShares held: Q3 2025 416.5k, Q4 2025 488.4k, Q1 2026 524.7k, Q2 2026 613.1k +88.5k +88,481 16.9%
5 CELLEBRITE DI LTD ORDINARY SHARES CLBT CLBT 8,004,867 $116.9m8.40% 8.40% AddedShares held: Q3 2025 4.6m, Q4 2025 6.0m, Q1 2026 6.7m, Q2 2026 8.0m +1.3m +1,342,213 20.1%
6 SONIDA SENIOR LIVING INC COM SNDA SNDA 2,375,656 $96.9m6.97% 6.97% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 2.4m
7 KYIVSTAR GROUP LTD ORD SHS KYIV KYIV 5,919,877 $95.7m6.88% 6.88% AddedShares held: Q3 2025 0, Q4 2025 1.8m, Q1 2026 5.1m, Q2 2026 5.9m +821.7k +821,653 16.1%
8 ASTRONICS CORP COM ATRO ATRO 993,637 $80.7m5.80% 5.80% AddedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 815.3k, Q2 2026 993.6k +178.3k +178,304 21.9%
9 ON HLDG AG NAMEN AKT A ONON ONON 2,228,412 $78.9m5.67% 5.67% AddedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 312.0k, Q2 2026 2.2m +1.9m +1,916,366 614.1%
10 NUTEX HEALTH INC COM NUTX NUTX 451,310 $77.1m5.54% 5.54% AddedShares held: Q3 2025 270.4k, Q4 2025 324.4k, Q1 2026 374.0k, Q2 2026 451.3k +77.3k +77,340 20.7%
11 COMPASS INC CL A COMP COMP 6,147,966 $75.8m5.45% 5.45% AddedShares held: Q3 2025 0, Q4 2025 4.2m, Q1 2026 4.9m, Q2 2026 6.1m +1.3m +1,253,106 25.6%
12 MASTERBRAND INC COMMON STOCK MBC MBC 5,968,072 $61.4m4.41% 4.41% AddedShares held: Q3 2025 0, Q4 2025 3.9m, Q1 2026 5.0m, Q2 2026 6.0m +1.0m +1,003,251 20.2%
13 PATRIA INVESTMENTS LIMITED COM CL A PAX PAX 5,344,176 $58.7m4.22% 4.22% AddedShares held: Q3 2025 4.0m, Q4 2025 4.5m, Q1 2026 5.2m, Q2 2026 5.3m +137.9k +137,929 2.6%
14 NB BANCORP INC COM NBBK NBBK 1,475,770 $31.2m2.24% 2.24% ReducedShares held: Q3 2025 2.1m, Q4 2025 2.3m, Q1 2026 2.2m, Q2 2026 1.5m -730.9k -730,896 -33.1%

Sold out since Q1 2026

SecurityTickerShares held beforeValue then
SILICON MOTION TECHNOLOGY CO SIMO SIMO 412,536 $46.3m412.5k shares
ISHARES TR INDA INDA 67,405 $3.1m67.4k shares

Options (notional value)

UnderlyingTickerTypeShares controlled NotionalChange
BERKSHIRE HATHAWAY INC DEL BRK.B · Put BRK.BPut 699,700 $350.1m699.7k shares Added
AIRBNB INC ABNB · Put ABNBPut 506,500 $72.5m506.5k shares Added
INVESCO EXCH TRADED FD TR II BKLN · Put BKLNPut 2,025,700 $41.3m2.0m shares Added

Stakes above 5%

Companies where this manager has reported owning more than 5% of a class of shares, on Schedule 13D (may seek influence) or 13G (passive): its latest filing for each, from 19 Dec 2024 on.

CompanyTickerStakeChange ScheduleLast filed
PATRIA INVESTMENTS LIMITED PAX · 13G · filed 2026-05-15 PAX 8.0%≈ $58.4m +1.4 pts 13G 2026-05-15
GROCERY OUTLET HLDG CORP GO · 13G · filed 2026-10-16 GO 6.2%≈ $61.3m +0.6 pts 13G 2026-10-16
SONIDA SENIOR LIVING INC SNDA · 13G · filed 2026-09-10 SNDA 6.0%≈ $117.3m +1.0 pts 13G 2026-09-10
NUTEX HEALTH INC NUTX · 13G · filed 2026-05-07 NUTX 5.9%≈ $69.2m +0.7 pts 13G 2026-05-07
CELLEBRITE DI LTD CLBT · 13G · filed 2026-10-09 CLBT 5.2%≈ $192.2m new 13G 2026-10-09