CIK: 0002109835
Total reported value
$130.8M
Reporting period: 2026-03-31 · Number of holdings: 35
Castlefield Investment Partners LLP disclosed 35 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $130.8M and a quarterly turnover rate of 14.1%.
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Castlefield Investment Partners LLP's disclosed holdings carry a Herfindahl concentration index of 0.044 — mathematically equivalent to about 23 equally-sized positions, close to its 35 actual disclosed holdings. Value is spread relatively evenly across the portfolio rather than concentrated in a handful of names.
Position sizes are fairly uniform across the portfolio (a coefficient of variation of 0.75), suggesting a disciplined, rules-based approach to how much capital goes into each idea.
Recent activity leans toward adding more aggressively to already-large existing positions than to newly initiated ones (a 3.1 percentage-point tilt) — a pattern consistent with a momentum-following approach.
Add SNA
+6815.0% $3.3M
Trim KLAC
-37.4% -$1.7M
Trim HDB
+5.0% -$1.3M
Trim BSX
+13.1% -$1.2M
Add NFLX
+27.5% $1.2M
Add DE
+3.5% $1.1M
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | NVDA | Nvidia CORP | Stock-Tech | 8.11% | -0.26% | +4.47% | |
| 2 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 7.26% | -0.45% | +3.43% | |
| 3 | AAPL | Apple INC | Stock-Tech | 6.86% | -0.14% | +5.95% | |
| 4 | MSFT | Microsoft CORP | Stock-Tech | 5.73% | -0.54% | +20.55% | |
| 5 | V | Visa Inc-class A Shares | Stock-Financials | 4.29% | -0.20% | +11.72% | |
| 6 | DE | Deere & Co | Stock-Industrials | 4.15% | +0.80% | +3.50% | |
| 7 | KLAC | Kla CORP | Stock-Tech | 4.10% | -1.35% | -37.40% | |
| 8 | CB | Chubb Limited | Stock-Financials | 4.06% | +0.35% | +5.74% | |
| 9 | MRK | Merck & Co. INC. | Stock-Healthcare | 4.02% | +0.60% | +3.77% | |
| 10 | MCO | Moody's CORP | Stock-Financials | 3.95% | -0.27% | +10.65% | |
| 11 | TMUS | T-mobile US INC | Stock-Comm Services | 3.84% | +0.28% | +5.35% | |
| 12 | NFLX | Netflix INC | Stock-Comm Services | 3.80% | +0.87% | +27.49% | |
| 13 | NDAQ | Nasdaq INC | Stock-Financials | 3.67% | -0.33% | +6.09% | |
| 14 | HASI | Ha Sustainable Infrastructur | Stock-Financials | 3.48% | +0.68% | +7.04% | |
| 15 | SCI | Service CORP International | Stock-Consumer Disc | 3.39% | +0.31% | +4.86% | |
| 16 | SHOP | Shopify INC - Class A | Stock-Tech | 3.24% | -0.80% | +10.07% | |
| 17 | AWK | American Water Works Co INC | Stock-Utilities | 3.09% | +0.21% | +3.95% | |
| 18 | LOW | Lowe's Cos INC | Stock-Consumer Disc | 3.04% | +0.01% | +3.41% | |
| 19 | PG | Procter & Gamble Co/the | Stock-Consumer Staples | 2.91% | +0.24% | +9.22% | |
| 20 | MELI | Mercadolibre INC | Stock-Consumer Disc | 2.86% | -0.19% | +9.97% | |
| 21 | TMO | Thermo Fisher Scientific INC | Stock-Healthcare | 2.78% | -0.39% | +4.25% | |
| 22 | BSX | Boston Scientific CORP | Stock-Healthcare | 2.58% | -0.92% | +13.09% | |
| 23 | SNA | Snap-on INC | Stock-Industrials | 2.55% | +2.51% | +6815.04% | |
| 24 | HDB | Hdfc Bank Ltd-adr | Stock-Financials | 2.52% | -1.03% | +5.04% | |
| 25 | LEN | Lennar Corp-a | Stock-Consumer Disc | 2.21% | -0.28% | +5.90% | |
| 26 | INTC | Intel CORP | Stock-Tech | 0.35% | +0.06% | — | |
| 27 | CRM | Salesforce INC | Stock-Tech | 0.22% | +0.01% | +46.04% | |
| 28 | INTU | Intuit INC | Stock-Tech | 0.19% | -0.01% | +47.41% | |
| 29 | IQV | Iqvia Holdings INC | Stock-Healthcare | 0.18% | +0.05% | +88.56% | |
| 30 | RSG | Republic Services INC | Stock-Industrials | 0.18% | +0.08% | +68.93% | |
| 31 | WAT | Waters CORP | Stock-Healthcare | 0.17% | +0.04% | +73.55% | |
| 32 | URI | United Rentals INC | Stock-Industrials | 0.13% | +0.05% | +87.20% | |
| 33 | CRH | CRH plc | Stock-Materials | 0.07% | -0.01% | — | |
| 34 | STE | STERIS plc | Stock-Healthcare | 0.02% | — | — | |
| 35 | ✓ | Liberty Latin America LTD Com Cl A | Stock-Other | — | — | — |
Performance for Q3 2026
+1.1%
Performance Last 4 Quarters
+2.6%
Based on 5 months of available history
Based on 80% of reported portfolio value with available pricing
Castlefield Investment Partners LLP's most significant position changes for 2026-03-31: Sold out: The Magnum Ice Cream Company N. (MICC); Add: Snap-on INC (SNA) — shares +6815.04%; Trim: Kla CORP (KLAC) — shares -37.40%; Add: Hdfc Bank Ltd-adr (HDB) — shares +5.04%; Add: Boston Scientific CORP (BSX) — shares +13.09%.
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | SNA | Snap-on INC | +2.5% | +6815.04% | Add |
| 2 | NFLX | Netflix INC | +0.9% | +27.49% | Add |
| 3 | DE | Deere & Co | +0.8% | +3.50% | Add |
| 4 | HASI | Ha Sustainable Infrastructur | +0.7% | +7.04% | Add |
| 5 | MRK | Merck & Co. INC. | +0.6% | +3.77% | Add |
| 6 | CB | Chubb Limited | +0.4% | +5.74% | Add |
| 7 | SCI | Service CORP International | +0.3% | +4.86% | Add |
| 8 | TMUS | T-mobile US INC | +0.3% | +5.35% | Add |
| 9 | PG | Procter & Gamble Co/the | +0.2% | +9.22% | Add |
| 10 | AWK | American Water Works Co INC | +0.2% | +3.95% | Add |
| 11 | RSG | Republic Services INC | +0.1% | +68.93% | Add |
| 12 | INTC | Intel CORP | +0.1% | — | Unchanged |
| 13 | IQV | Iqvia Holdings INC | +0.1% | +88.56% | Add |
| 14 | URI | United Rentals INC | +0.1% | +87.20% | Add |
| 15 | WAT | Waters CORP | 0% | +73.55% | Add |
| 16 | LOW | Lowe's Cos INC | 0% | +3.41% | Add |
| 17 | CRM | Salesforce INC | 0% | +46.04% | Add |
| 18 | STE | STERIS plc | — | — | Unchanged |
| 19 | ✓ | Liberty Latin America LTD Com Cl A | — | — | Unchanged |
| 20 | CRH | CRH plc | 0% | — | Unchanged |
| 21 | INTU | Intuit INC | 0% | +47.41% | Add |
| 22 | AAPL | Apple INC | -0.1% | +5.95% | Add |
| 23 | MELI | Mercadolibre INC | -0.2% | +9.97% | Add |
| 24 | V | Visa Inc-class A Shares | -0.2% | +11.72% | Add |
| 25 | NVDA | Nvidia CORP | -0.3% | +4.47% | Add |
| 26 | MCO | Moody's CORP | -0.3% | +10.65% | Add |
| 27 | LEN | Lennar Corp-a | -0.3% | +5.90% | Add |
| 28 | NDAQ | Nasdaq INC | -0.3% | +6.09% | Add |
| 29 | TMO | Thermo Fisher Scientific INC | -0.4% | +4.25% | Add |
| 30 | GOOGL | Alphabet Inc-cl A | -0.5% | +3.43% | Add |
| 31 | MSFT | Microsoft CORP | -0.5% | +20.55% | Add |
| 32 | SHOP | Shopify INC - Class A | -0.8% | +10.07% | Add |
| 33 | BSX | Boston Scientific CORP | -0.9% | +13.09% | Add |
| 34 | HDB | Hdfc Bank Ltd-adr | -1% | +5.04% | Add |
| 35 | KLAC | Kla CORP | -1.4% | -37.40% | Trim |
| 36 | MICC | The Magnum Ice Cream Company N. | — | EXIT | Sold out |
| Period | Filed | Type | EDGAR |
|---|---|---|---|
| 2026-03-31 | 2026-05-15 | 13F-HR | View on EDGAR |
| 2025-12-31 | 2026-04-08 | Amendment | View on EDGAR |
| 2025-12-31 | 2026-02-13 | 13F-HR | View on EDGAR |
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