William Blair & Company
LAMR icon

William Blair & Company’s Lamar Advertising Co LAMR Stock Holding History

William Blair & Company’s Portfolio LAMR Stock Details LAMR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$743K Buy
5,866
+671
+13% +$87.9K ﹤0.01% 1031
2025
Q4 		$658K Sell
5,195
-325
-6% -$40.7K ﹤0.01% 1053
2025
Q3 		$676K Buy
5,520
+162
+3% +$20.1K ﹤0.01% 1019
2025
Q2 		$650K Buy
5,358
+81
+2% +$9.4K ﹤0.01% 1012
2025
Q1 		$600K Sell
5,277
-18
-0.3% -$2.19K ﹤0.01% 1034
2024
Q4 		$645K Buy
5,295
+472
+10% +$61.7K ﹤0.01% 1017
2024
Q3 		$644K Sell
4,823
-13
-0.3% -$1.59K ﹤0.01% 1047
2024
Q2 		$578K Sell
4,836
-61
-1% -$7.1K ﹤0.01% 1050
2024
Q1 		$585K Buy
4,897
+190
+4% +$20.8K ﹤0.01% 1044
2023
Q4 		$500K Buy
4,707
+24
+0.5% +$2.26K ﹤0.01% 1069
2023
Q3 		$391K Buy
4,683
+13
+0.3% +$1.19K ﹤0.01% 1129
2023
Q2 		$464K Buy
4,670
+19
+0.4% +$1.84K ﹤0.01% 1080
2023
Q1 		$465K Buy
4,651
+520
+13% +$52.8K ﹤0.01% 1073
2022
Q4 		$390K Buy
4,131
+24
+0.6% +$2.22K ﹤0.01% 1124
2022
Q3 		$339K Buy
4,107
+4
+0.1% +$381 ﹤0.01% 1180
2022
Q2 		$361K Sell
4,103
-5
-0.1% -$507 ﹤0.01% 1192
2022
Q1 		$477K Buy
4,108
+13
+0.3% +$1.45K ﹤0.01% 1172
2021
Q4 		$497K Buy
4,095
+510
+14% +$59.4K ﹤0.01% 1216
2021
Q3 		$407K Buy
3,585
+10
+0.3% +$1.09K ﹤0.01% 1234
2021
Q2 		$373K Buy
3,575
+8
+0.2% +$814 ﹤0.01% 1268
2021
Q1 		$335K Sell
3,567
-89
-2% -$7.84K ﹤0.01% 1290
2020
Q4 		$304K Buy
3,656
+26
+0.7% +$1.94K ﹤0.01% 1261
2020
Q3 		$240K Sell
3,630
-1,347
-27% -$89.5K ﹤0.01% 1220
2020
Q2 		$332K Buy
4,977
+11
+0.2% +$672 ﹤0.01% 1053
2020
Q1 		$255K Buy
4,966
+23
+0.5% +$1.85K ﹤0.01% 1074
2019
Q4 		$441K Sell
4,943
-41
-0.8% -$3.43K ﹤0.01% 1034
2019
Q3 		$408K Sell
4,984
-52
-1% -$4.11K ﹤0.01% 1011
2019
Q2 		$406K Sell
5,036
-7
-0.1% -$566 ﹤0.01% 1045
2019
Q1 		$400K Buy
5,043
+150
+3% +$11.3K ﹤0.01% 1032
2018
Q4 		$338K Buy
+4,893
New +$360K ﹤0.01% 1048

Other funds holding LAMR

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Cohen & Steers
Cohen & Steers New York $57.6B AUM 8.03% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

William Blair & Company's LAMR Position: Q1 2026 in Review

William Blair & Company increased its Lamar Advertising Co (LAMR) stake by 13% in Q1 2026, buying an estimated $87.9K and bringing the position to 5,866 shares worth $743K. The position accounts for ﹤0.01% of the portfolio, ranked #1031.

William Blair & Company first reported a position in LAMR in Q4 2018 and has held it in 30 quarters since. 691 funds tracked by Wall St. Rank hold LAMR as of Q1 2026.

  • William Blair & Company held 5,866 shares of Lamar Advertising Co worth $743K as of Q1 2026.
  • William Blair & Company bought 671 Lamar Advertising Co shares in Q1 2026, an estimated $87.9K.
  • Lamar Advertising Co made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #1031 holding.
  • William Blair & Company first reported a position in Lamar Advertising Co in Q4 2018 and has held it in 30 quarters since.
  • 691 funds tracked by Wall St. Rank held Lamar Advertising Co as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.