Pertento Partners LLP

Name: Pertento Partners LLP 13F holdings, Q1 2026
Creator: Pertento Partners LLP
Published: 2026-05-14

Q2 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 14, 2026), Pertento Partners LLP reported 15 stock positions worth $942.4 million. Its top holding was US Foods (USFD) at 18.1% of the portfolio, followed by Ies (IESC, 11.7%) and Primo Brands (PRMB, 10.6%). Compared with Q4 2025, it opened 2 new positions, sold out of 4, added to 11 and reduced 2. The biggest buy was a new position in Astronics (ATRO) and the biggest sale Silicon Motion Technol-ADR (SIMO, shares −64%).

Most Recent 13F: Q2 2026
Location: LONDON, X0
CIK: 0001894571
Portfolio Value: $942.4M (Q1 2026)
SEC Filing: 0001894571-26-000006 ↗ filed May 14, 2026

Holdings Value

Holdings 15 stocks · $942.4M


USFD US Foods Holding Corp.	18.14%	1,853,508	$170.9M	Add +10.5%
IESC Ies Holdings Inc.	11.69%	231,239	$110.2M	Add +10.5%
PRMB Primo Brands Corp.	10.59%	5,300,018	$99.8M	Add +16.9%
CLBT Cellebrite Di Ltd.	9.74%	6,662,654	$91.8M	Add +11.8%
PSMT Pricesmart Inc.	8.38%	524,656	$79.0M	Add +7.4%
PAX Patria Investments Ltd. Class A	6.96%	5,206,247	$65.6M	Add +16.1%
ATRO Astronics Corp.	5.77%	815,333	$54.4M	New
KYIV Kyivstar Group Ltd.	5.47%	5,098,224	$51.6M	Add +182.1%
NBBK NB Bancorp Inc.	4.93%	2,206,666	$46.5M	Reduce -5.8%
SIMO Silicon Motion Technol-ADR	4.92%	412,536	$46.3M	Reduce -64.2%
MBC Masterbrand Inc.	4.38%	4,964,821	$41.3M	Add +28.0%
COMP Compass Inc. Class A	3.80%	4,894,860	$35.8M	Add +17.5%
NUTX Nutex Health Inc.	3.77%	373,970	$35.5M	Add +15.3%
ONON On Holding AG Class A filed as ON HLDG AG	1.13%	312,046	$10.6M	New
INDA iShares MSCI India ETF	0.33%	67,405	$3.1M	Add +15.4%

Options reported separately and not counted above: BRK.B puts ($303.8M), ABNB puts ($55.4M), BKLN puts ($40.9M), SPY puts ($24.6M).

Portfolio Sells Q4 2025 → Q1 2026


SIMO Silicon Motion Technol-ADR	Reduce -64.2%	4.92%	−6.81
NVRI Enviri Corp.	Sold out	0.00%	−3.01
NTGR Netgear Inc.	Sold out	0.00%	−2.61
SOC Sable Offshore Corp.	Sold out	0.00%	−1.10
IDR Idaho Strategic Resources Inc.	Sold out	0.00%	−0.94
NBBK NB Bancorp Inc.	Reduce -5.8%	4.93%	−0.17

Portfolio Buys Q4 2025 → Q1 2026


ATRO Astronics Corp.	New	5.77%	+5.77
USFD US Foods Holding Corp.	Add +10.5%	18.14%	+4.26
KYIV Kyivstar Group Ltd.	Add +182.1%	5.47%	+2.90
IESC Ies Holdings Inc.	Add +10.5%	11.69%	+2.74
PRMB Primo Brands Corp.	Add +16.9%	10.59%	+2.45
PSMT Pricesmart Inc.	Add +7.4%	8.38%	+1.80
ONON On Holding AG Class A	New	1.13%	+1.13
INDA iShares MSCI India ETF	Add +15.4%	0.33%	−0.01
MBC Masterbrand Inc.	Add +28.0%	4.38%	−0.33
PAX Patria Investments Ltd. Class A	Add +16.1%	6.96%	−0.87
COMP Compass Inc. Class A	Add +17.5%	3.80%	−1.04
CLBT Cellebrite Di Ltd.	Add +11.8%	9.74%	−2.06
NUTX Nutex Health Inc.	Add +15.3%	3.77%	−2.10

Options Activity Q4 2025 → Q1 2026


BRK.B Berkshire Hathaway Inc. Class B	put	Add +106.2%	633,900	$303.8M
ABNB Airbnb Inc. Class A	put	New	438,900	$55.4M
BKLN Invesco Senior Loan ETF	put	New	2,005,700	$40.9M
SPY SS SPDR S&P 500 ETF Trust-US	put	New	37,900	$24.6M

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

All Filings

Quarter	Positions	13F Reported Value	Top Holdings
Q2 2026	14	$1.4B	USFD, PRMB, IESC, PSMT, CLBT
Q1 2026	15	$942.4M	USFD, IESC, PRMB, CLBT, PSMT
Q4 2025	17	$910.3M	USFD, CLBT, SIMO, IESC, PRMB
Q3 2025	15	$821.0M	SIMO, USFD, CLBT, IESC, PRMB
Q2 2025	18	$885.7M	USFD, SIMO, PRMB, FLUT, UHAL.B
Q1 2025	19	$837.4M	USFD, PRMB, SIMO, SLM, UHAL.B
Q4 2024	24	$972.3M	USFD, PRMB, CLBT, SIMO, SN
Q3 2024	21	$818.3M	GEN, USFD, CRAI, SIMO, SN
Q2 2024Amended	21	$784.1M	SN, GEN, SIMO, USFD, CRAI
Q1 2024Amended	19	$495.7M	SN, GEN, SIMO, CRAI, USFD