Pertento Partners LLP

Fundamental concentrated ★Highest signal CIK 1894571
League rank
#93
in Fundamental concentrated · #131 overall
Long book
$942.4M
Q1 2026
Positions
15
Top-10 weight
87%
concentration
Last quarter
+34.5%
SPY +14.8%
Turnover
32%
of book per quarter

Strategy in plain words

auto-generated from filings

Pertento Partners LLP is a concentrated fundamental stock-picker, running a $942.4M US long book across 15 positions.

The portfolio is extremely concentrated — the top 10 positions are almost the whole book. The portfolio is actively managed, with meaningful quarterly turnover. Current anchor positions: US FOODS HOLDING CORP, IES HOLDINGS INC, PRIMO BRANDS CORP, CELLEBRITE DI LTD, PRICESMART INC.

Over the last 9 quarters its long book ran on average 2.2pp per quarter ahead of the S&P 500, beating the index in 5 of 9 quarters. We rate its filings highest-signal: new buys here are worth attention.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
+0.2%
Q2 2024
+10.7%
Q3 2024
-1.8%
Q4 2024
-3.7%
Q1 2025
+7.2%
Q2 2025
+9.7%
Q3 2025
+1.6%
Q4 2025
+1.4%
Q1 2026
+34.5%

Sector allocation

Consumer discretionary
28%
Industrials
18%
Financials
13%
Consumer staples
11%
Technology
10%
Other
6%
Communications
6%
Real estate
4%

Long book by quarter

$497.1M
Q1 2024
$789.7M
Q2 2024
$821.7M
Q3 2024
$972.3M
Q4 2024
$837.4M
Q1 2025
$885.7M
Q2 2025
$821.0M
Q3 2025
$910.3M
Q4 2025
$942.4M
Q1 2026

What does Pertento Partners own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
USFD US FOODS HOLDING CORPConsumer discretionary1.9M$170.9M18.1%+10.5%
IESC IES HOLDINGS INCIndustrials231.2K$110.2M11.7%+10.5%
PRMB PRIMO BRANDS CORPConsumer staples5.3M$99.8M10.6%+16.9%
CLBT CELLEBRITE DI LTDTechnology6.7M$91.8M9.7%+11.8%
PSMT PRICESMART INCConsumer discretionary524.7K$79.0M8.4%+7.4%
PAX PATRIA INVESTMENTS LTD-AFinancials5.2M$65.6M7.0%+16.1%
ATRO ASTRONICS CORPIndustrials815.3K$54.4M5.8%New
KYIV KYIVSTAR GROUP LTDCommunications5.1M$51.6M5.5%+182.1%
NBBK NB BANCORP INCFinancials2.2M$46.5M4.9%-5.8%
MBC MASTERBRAND INCOther5.0M$41.3M4.4%+28.0%
COMP COMPASS INC - CLASS AReal estate4.9M$35.8M3.8%+17.5%
NUTX NUTEX HEALTH INCServices media374.0K$35.5M3.8%+15.3%
ONON ON HOLDING AG-CLASS AOther312.0K$10.6M1.1%New

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 14, 202619$1.37B canonicalSEC ↗
Q4 202513F-HRFeb 17, 202618$1.06B canonicalSEC ↗
Q3 202513F-HRNov 13, 202516$862.1M canonicalSEC ↗
Q2 202513F-HRAug 13, 202519$1.12B canonicalSEC ↗
Q1 202513F-HRMay 14, 202521$955.3M canonicalSEC ↗
Q4 202413F-HRFeb 12, 202528$1.18B canonicalSEC ↗
Q3 202413F-HRNov 13, 202425$907.8M canonicalSEC ↗
Q2 202413F-HR/ARESTATEMENTNov 15, 202426$989.1M canonicalSEC ↗
Q2 202413F-HRAug 13, 202426$989.1M SEC ↗
Q1 202413F-HR/ARESTATEMENTNov 15, 202423$540.5M canonicalSEC ↗
Q1 202413F-HRMay 14, 202423$540.5M SEC ↗