Skip to content
Disclosery

Lansing Management LP

Follow

13F filer, CIK 1691908, NEW YORK, NY

Lansing Management LP reported $119,147,230 across 8 holdings for the quarter ended 2025-03-31, in a 13F-HR filed 2025-05-15.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001420506-25-001220

Period
2025-03-31
Reported value
$119M
Holdings
8
Top 10 weight
100%
New
1
Sold out
0

Largest buys vs the previous quarter

SecurityShares changeApprox. value
MCOnew+10,600$4.94M
ZTSadded+6,200$1.02M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
IBKRreduced-6,625-$1.1M
APGreduced-9,230-$330K
TRUreduced-3,350-$278K

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2025

Share positions as resolved from 13F-HR 0001420506-25-001220, largest first. % of portfolio is the value over $119,147,230, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
RACEFERRARI N VQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 65,538 shares; 2024Q4: 62,048 shares; 2025Q1: 62,048 shares 62,048$26.5M22.28%0Timeline
HEI-AHEICO CORP NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 70,700 shares; 2024Q4: 84,305 shares; 2025Q1: 84,305 shares 84,305$17.8M14.93%0Timeline
ROPROPER TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 37,192 shares; 2024Q4: 29,913 shares; 2025Q1: 29,913 shares 29,913$17.6M14.8%0Timeline
IBKRINTERACTIVE BROKERS GROUP INQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 153,398 shares; 2024Q4: 106,559 shares; 2025Q1: 99,934 shares 99,934$16.5M13.89%-6,625Timeline
APGAPI GROUP CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 532,839 shares; 2024Q4: 470,629 shares; 2025Q1: 461,399 shares 461,399$16.5M13.85%-9,230Timeline
TRUTRANSUNIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 191,089 shares; 2024Q4: 182,369 shares; 2025Q1: 179,019 shares 179,019$14.9M12.47%-3,350Timeline
MCOMOODYS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 10,600 shares 10,600$4.94M4.14%newTimeline
ZTSZOETIS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 75,908 shares; 2024Q4: 20,131 shares; 2025Q1: 26,331 shares 26,331$4.34M3.64%+6,200Timeline

How Q1 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001420506-25-001220 base2025-05-15acceptance time not in the bulk data set