Ampfield Management, L.P.
Long book
$80.8M
Q1 2026
Positions
5
Top-10 weight
100%
concentration
Last quarter
+18.4%
SPY +14.8%
Turnover
50%
of book per quarter
Strategy in plain words
auto-generated from filingsAmpfield Management, L.P. is a diversified fundamental manager, running a $80.8M US long book across 5 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: TRANSDIGM GROUP INC, ESQUIRE FINANCIAL HOLDINGS I, NORTHEAST BANK, SABRE CORP, ROSS STORES INC.
Over the last 9 quarters its long book ran on average 0.2pp per quarter ahead of the S&P 500, beating the index in 6 of 9 quarters. We rate its filings as signal-bearing: position changes reflect genuine views.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
-16.4%
Q2 2024
+13.8%
Q3 2024
+3.3%
Q4 2024
-3.0%
Q1 2025
+26.6%
Q2 2025
+1.6%
Q3 2025
+5.2%
Q4 2025
-7.1%
Q1 2026
+18.4%
Sector allocation
Industrials 35%
Financials 31%
Other 24%
Technology 9%
Consumer discretionary 0%
Long book by quarter
What does Ampfield Management, own?
Q1 2026 13F13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | Apr 22, 2026 | 5 | $80.8M | $K fixed canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 13, 2026 | 4 | $67K | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Oct 28, 2025 | 4 | $90K | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Jul 22, 2025 | 5 | $134K | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 2, 2025 | 4 | $85K | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 3, 2025 | 4 | $96K | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Oct 30, 2024 | 4 | $96K | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Jul 22, 2024 | 5 | $109K | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | Apr 16, 2024 | 5 | $145K | canonical | SEC ↗ |
Similar funds
DIAMANT ASSET MANAGEMENT, INC. LILLY ENDOWMENT INCBROOKFIELD Corp /ON/GQG Partners LLCMITSUBISHI UFJ FINANCIAL GROUP INCNewport Trust Company, LLCVIKING GLOBAL INVESTORS LPPARNASSUS INVESTMENTS, LLC MASTERCARD FOUNDATION ASSET MANAGEMENT CORPPZENA INVESTMENT MANAGEMENT LLCCOATUE MANAGEMENT LLCWinslow Capital Management, LLC