Lansing Management LP
Long book
$150.6M
Q1 2026
Positions
14
Top-10 weight
90%
concentration
Last quarter
+14.9%
SPY +14.8%
Turnover
20%
of book per quarter
Strategy in plain words
auto-generated from filingsLansing Management LP is a concentrated fundamental stock-picker, running a $150.6M US long book across 14 positions.
The portfolio is extremely concentrated — the top 10 positions are almost the whole book. Turnover is modest: positions are typically held for years. Current anchor positions: INTERACTIVE BROKERS GRO-CL A, API GROUP CORP, HEICO CORP-CLASS A, TRANSUNION, FERRARI NV.
Over the last 9 quarters its long book ran on average 1.6pp per quarter behind the S&P 500, beating the index in 4 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
-4.4%
Q2 2024
+10.0%
Q3 2024
-2.1%
Q4 2024
+1.3%
Q1 2025
+17.9%
Q2 2025
+0.9%
Q3 2025
-4.2%
Q4 2025
-8.3%
Q1 2026
+14.9%
Sector allocation
Services media 52%
Industrials 23%
Financials 13%
Utilities 9%
Real estate 3%
Long book by quarter
What does Lansing Management own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| IBKR INTERACTIVE BROKERS GRO-CL A | Financials | 290.2K | $19.5M | 12.9% | -3.1% |
| APG API GROUP CORP | Services media | 429.9K | $17.4M | 11.6% | -21.5% |
| HEI/A HEICO CORP-CLASS A | Industrials | 80.0K | $16.9M | 11.2% | -1.0% |
| TRU TRANSUNION | Services media | 208.0K | $14.4M | 9.6% | -5.5% |
| RACE FERRARI NV | Industrials | 41.9K | $14.2M | 9.4% | -5.1% |
| SUNB SUNBELT RENTALS HOLDINGS INC | Services media | 195.7K | $12.7M | 8.5% | New |
| MCO MOODY'S CORP | Services media | 27.7K | $12.1M | 8.0% | +2.6% |
| HLT HILTON WORLDWIDE HOLDINGS IN | Services media | 39.1K | $11.9M | 7.9% | +23.4% |
| BGSI THE BOYD GROUP INC | Services media | 79.5K | $10.1M | 6.7% | -1.6% |
| CLH CLEAN HARBORS INC | Utilities | 23.5K | $6.7M | 4.5% | +118.5% |
| WCN WASTE CONNECTIONS INC | Utilities | 40.2K | $6.5M | 4.3% | +165.5% |
| COMP COMPASS INC - CLASS A | Real estate | 693.6K | $5.1M | 3.4% | +36.8% |
| JBHT HUNT (JB) TRANSPRT SVCS INC | Industrials | 7.2K | $1.5M | 1.0% | New |
| ODFL OLD DOMINION FREIGHT LINE | Industrials | 7.8K | $1.5M | 1.0% | -29.9% |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 15, 2026 | 14 | $150.6M | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 17, 2026 | 13 | $150.5M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 14, 2025 | 9 | $137.8M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 14, 2025 | 8 | $145.9M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 15, 2025 | 8 | $119.1M | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 14, 2025 | 7 | $113.5M | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 14, 2024 | 7 | $139.7M | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 14, 2024 | 5 | $101.0M | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 15, 2024 | 6 | $102.9M | canonical | SEC ↗ |
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