Lamar Advertising Company
US ˙ NasdaqGS ˙ US5128161099

SecurityLAMR / Lamar Advertising Company
InstitutionAtlantic Trust, LLC
Latest Disclosed Ownership28 shares
Latest Disclosed Value $ 3,547
Atlantic Trust, LLC reports 15.15% decrease in ownership of LAMR / Lamar Advertising Company

On May 6, 2026 - Atlantic Trust, LLC filed a 13F-HR form disclosing ownership of 28 shares of Lamar Advertising Company (US:LAMR) valued at $3,546 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 9, 2026 disclosing 33 shares of Lamar Advertising Company. This represents a change in shares of -15.15% during the quarter. The current value of the position is $4,189 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

Upgrade to unlock premium data and export to Excel .

Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-06 2026-03-31 13F LAMAR ADVERTISING CL A 512816109 28 -5 -15.15 4 -25.00 0.0006
2026-02-09 2025-12-31 13F LAMAR ADVERTISING CO CL A 512816109 33 25 312.50 4 0.0007
2025-11-10 2025-09-30 13F LAMAR ADVERTISING CO CL A 512816109 8 4 100.00 1 0.0002
2025-08-08 2025-06-30 13F LAMAR ADVERTISING CO CL A 512816109 4 4 0 0.0001
2024-02-06 2023-12-31 13F Lamar Advertising Com 512816109 0 -106 -100.00 0 -100.00
2023-11-13 2023-09-30 13F Lamar Advertising Com 512816109 106 106 9 0.0029
2019-05-13 2019-03-31 13F Lamar Advertising Com 512816109 0 -250 -100.00 0 -100.00
2019-02-13 2018-12-31 13F/A-1 Lamar Advertising Com 512816109 250 0 0.00 17 -10.53 0.0158
2019-02-13 2018-12-31 13F Lamar Advertising Com 512816109 250 17
2018-11-15 2018-09-30 13F Lamar Advertising COM 512816109 250 -2,550 -91.07 19 -90.05 0.0146
2018-08-20 2018-06-30 13F Lamar Advertising Com 512816109 2,800 -5,480 -66.18 191 -63.76 0.1706
2018-05-15 2018-03-31 13F LAMAR ADVERTISING CO A COM 512816109 8,280 -250 -2.93 527 -16.88 0.4522
2018-02-14 2017-12-31 13F Lamar Advertising Com 512816109 8,530 -120 -1.39 634 6.91 0.4334
2017-11-17 2017-09-30 13F Lamar Advertising Com 512816109 8,650 -280 -3.14 593 -9.74 0.4412
2017-08-21 2017-06-30 13F Lamar Advertising Com 512816109 8,930 -50 -0.56 657 -2.09 0.5185
2017-06-19 2017-03-31 13F Lamar Advertising Co CL A 512816109 8,980 50 0.56 671 11.09 0.5554
2017-06-14 2016-12-31 13F Lamar Advertising Co CL A 512816109 8,930 8,930 604 0.5426
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.