Now live: Pro — the full 13F research suite for serious investorsSee pricing →
← Tracker

Institutional

Lansing Management LP

CIK 0001691908
$150.6M
Reported AUM
14
Positions
Q1 2026
Period
2026-05-15
Filed

The Brief · Lansing Management LP · Q1 2026

AI · grounded in 13F

Lansing Management LP established a new position in SUNB valued at $12.7M. The fund also significantly increased its holdings in WCN by 165.5% and CLH by 118.5%. Conversely, the fund closed its entire position in ROP, resulting in a decrease of $6.7M.

Portfolio · Q1 2026

IBKR$19.5MAPG$17.4MHEICO$16.9MTRU$14.4MRACE$14.2MSUNB$12.7MMCO$12.1MHLT$11.9MBGSI$10.1MCLHWCNCOMPOtherLL

Top holdings

#StockIssuerPriceDay %1Y Gr.5Y Gr.Value% of bookΔ shares (QoQ)Status
1IBKRINTERACTIVE BROKERS GROUP IN$86.26-5.11%36.23%447.67%$19.5M12.93%HELD
2APGAPI GROUP CORP$38.45-2.24%8.65%146.47%$17.4M11.57%HELD
3HEI/AHEICO CORP NEW$16.9M11.22%HELD
4TRUTRANSUNION$83.73-0.08%-7.18%-28.29%$14.4M9.56%HELD
5RACEFERRARI N V$385.69-1.14%-10.57%84.59%$14.2M9.43%HELD
6SUNBSUNBELT RENTALS HOLDINGS INC$73.41-2.78%0.33%-2.42%$12.7M8.46%HELD
7MCOMOODYS CORP$483.24-0.20%-2.79%32.16%$12.1M8.02%HELD
8HLTHILTON WORLDWIDE HLDGS INC$321.72-0.22%23.59%161.14%$11.9M7.89%HELD
9BGSIBOYD GROUP SERVICES INC$110.24-2.38%-26.18%-30.17%$10.1M6.73%HELD
10CLHCLEAN HARBORS INC$326.347.47%38.64%216.37%$6.7M4.48%HELD
11WCNWASTE CONNECTIONS INC$172.812.12%-6.82%38.17%$6.5M4.33%HELD
12COMPCOMPASS INC$11.61-2.27%51.92%-25.33%$5.1M3.37%HELD
13JBHTHUNT J B TRANS SVCS INC$276.14-0.53%100.85%63.59%$1.5M1.01%HELD
14ODFLOLD DOMINION FREIGHT LINE IN$222.79-1.54%56.13%56.15%$1.5M1.01%HELD

Source: SEC EDGAR · accession 0001420506-26-001132. 13F discloses long positions only — shorts, foreign equities, and options are excluded.