Lamar Advertising Company
US ˙ NasdaqGS ˙ US5128161099

SecurityLAMR / Lamar Advertising Company
InstitutionBoston Trust Walden Corp
Latest Disclosed Ownership312,311 shares
Latest Disclosed Value $ 39,557,321
Boston Trust Walden Corp reports 2.36% decrease in ownership of LAMR / Lamar Advertising Company

On April 24, 2026 - Boston Trust Walden Corp filed a 13F-HR form disclosing ownership of 312,311 shares of Lamar Advertising Company (US:LAMR) valued at $39,557,311 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 28, 2026 disclosing 319,858 shares of Lamar Advertising Company. This represents a change in shares of -2.36% during the quarter. The current value of the position is $46,718,602 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.

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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)
2026-04-24 2026-03-31 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 312,311 -7,547 -2.36 39,557 -2.30 0.1945
2026-01-28 2025-12-31 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 319,858 -2,738 -0.85 40,488 2.52 0.3056
2025-10-17 2025-09-30 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 322,596 -49,192 -13.23 39,492 -12.47 0.2897
2025-07-28 2025-06-30 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 371,788 -60,068 -13.91 45,120 -8.17 0.3218
2025-04-21 2025-03-31 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 431,856 11,216 2.67 49,137 -4.05 0.3590
2025-01-24 2024-12-31 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 420,640 12,827 3.15 51,209 -6.01 0.3593
2024-10-24 2024-09-30 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 407,813 8,135 2.04 54,484 14.05 0.3790
2024-07-19 2024-06-30 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 399,678 8,857 2.27 47,774 2.37 0.3543
2024-04-22 2024-03-31 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 390,821 -1,553 -0.40 46,668 11.91 0.3329
2024-01-24 2023-12-31 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 392,374 3,259 0.84 41,702 28.39 0.3146
2023-10-18 2023-09-30 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 389,115 2,059 0.53 32,479 -15.45 0.2722
2023-07-24 2023-06-30 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 387,056 22,797 6.26 38,415 5.58 0.3151
2023-04-19 2023-03-31 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 364,259 -1,436 -0.39 36,386 5.40 0.3141
2023-01-20 2022-12-31 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 365,695 22,301 6.49 34,522 21.87 0.3035
2022-10-19 2022-09-30 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 343,394 3,257 0.96 28,326 -5.33 0.2806
2022-07-22 2022-06-30 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 340,137 10,001 3.03 29,922 -21.99 0.2827
2022-04-20 2022-03-31 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 330,136 35,850 12.18 38,356 7.45 0.3168
2022-01-21 2021-12-31 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 294,286 14,941 5.35 35,697 12.64 0.2866
2021-10-25 2021-09-30 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 279,345 -2,762 -0.98 31,691 7.58 0.2806
2021-07-22 2021-06-30 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 282,107 50,364 21.73 29,457 35.34 0.2619
2021-04-21 2021-03-31 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 231,743 83,367 56.19 21,765 76.26 0.2108
2021-01-15 2020-12-31 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 148,376 83 0.06 12,348 25.85 0.1317
2020-10-14 2020-09-30 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 148,293 2,466 1.69 9,812 0.79 0.1222
2020-07-23 2020-06-30 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 145,827 -51,212 -25.99 9,735 -3.65 0.1314
2020-04-24 2020-03-31 13F/A-1 LAMAR ADVERTISING CO-A COMMON STOCK 512816109 197,039 -1,038 -0.52 10,104 -42.85 0.1610
2020-04-21 2020-03-31 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 214,027 15,950 10,975 97,318.6517
2020-01-10 2019-12-31 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 198,077 6,248 3.26 17,680 12.50 0.2058
2019-10-21 2019-09-30 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 191,829 17,017 9.73 15,716 11.38 0.1976
2019-07-25 2019-06-30 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 174,812 4,925 2.90 14,110 4.79 0.1836
2019-04-16 2019-03-31 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 169,887 6,504 3.98 13,465 19.13 0.1833
2019-01-17 2018-12-31 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 163,383 4,558 2.87 11,303 -8.52 0.1798
2018-10-23 2018-09-30 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 158,825 3,604 2.32 12,356 16.53 0.1702
2018-07-25 2018-06-30 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 155,221 8,177 5.56 10,603 13.27 0.1556
2018-04-13 2018-03-31 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 147,044 -1,740 -1.17 9,361 -15.25 0.1420
2018-01-29 2017-12-31 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 148,784 -1,408 -0.94 11,046 7.33 0.1619
2017-10-13 2017-09-30 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 150,192 33,939 29.19 10,292 20.33 0.1603
2017-07-19 2017-06-30 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 116,253 11,431 10.91 8,553 9.16 0.1374
2017-04-24 2017-03-31 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 104,822 15,204 16.97 7,835 30.02 0.1221
2017-02-07 2016-12-31 13F/A-1 LAMAR ADVERTISING CO-A COMMON STOCK 512816109 89,618 12,154 15.69 6,026 19.09 0.0950
2017-02-01 2016-12-31 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 89,618 6,026
2016-10-17 2016-09-30 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 77,464 896 1.17 5,060 -0.33 0.0834
2016-08-09 2016-06-30 13F LAMAR ADVERTISING CO-A COMMON STOCK 512816109 76,568 76,568 5,077 0.0867
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.