Brown Advisory’s Costco COST Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$317M Sell
317,765
-72,307
-19% -$70.5M 0.52% 48
2025
Q4
$336M Sell
390,072
-105,795
-21% -$95.9M 0.47% 53
2025
Q3
$459M Sell
495,867
-23,668
-5% -$22.7M 0.6% 45
2025
Q2
$514M Sell
519,535
-25,725
-5% -$25.6M 0.68% 41
2025
Q1
$516M Sell
545,260
-58,639
-10% -$57.2M 0.74% 39
2024
Q4
$553M Sell
603,899
-50,846
-8% -$47.2M 0.7% 35
2024
Q3
$580M Sell
654,745
-79,630
-11% -$69.1M 0.73% 33
2024
Q2
$624M Sell
734,375
-71,015
-9% -$55.4M 0.82% 33
2024
Q1
$590M Sell
805,390
-176,755
-18% -$126M 0.79% 31
2023
Q4
$648M Buy
982,145
+29,615
+3% +$17.6M 0.91% 23
2023
Q3
$538M Sell
952,530
-93,479
-9% -$51.6M 0.88% 23
2023
Q2
$563M Sell
1,046,009
-19,875
-2% -$10.1M 0.88% 25
2023
Q1
$530M Buy
1,065,884
+59,989
+6% +$29.4M 0.9% 25
2022
Q4
$459M Sell
1,005,895
-76,473
-7% -$37.4M 0.85% 24
2022
Q3
$511M Sell
1,082,368
-62,136
-5% -$32.3M 0.99% 21
2022
Q2
$549M Sell
1,144,504
-7,502
-0.7% -$3.81M 1.03% 20
2022
Q1
$663M Sell
1,152,006
-164,147
-12% -$86.1M 0.99% 22
2021
Q4
$747M Buy
1,316,153
+33,778
+3% +$17.3M 0.93% 29
2021
Q3
$576M Sell
1,282,375
-18,644
-1% -$8.2M 0.85% 32
2021
Q2
$515M Sell
1,301,019
-36,252
-3% -$13.7M 0.78% 36
2021
Q1
$471M Sell
1,337,271
-9,687
-0.7% -$3.37M 0.81% 35
2020
Q4
$508M Sell
1,346,958
-88,012
-6% -$32.9M 0.9% 32
2020
Q3
$509M Sell
1,434,970
-18,403
-1% -$6.18M 1.05% 29
2020
Q2
$441M Buy
1,453,373
+11,941
+0.8% +$3.63M 1.03% 29
2020
Q1
$411M Buy
1,441,432
+162,388
+13% +$49.3M 1.26% 25
2019
Q4
$376M Buy
1,279,044
+30,983
+2% +$9.21M 0.95% 32
2019
Q3
$360M Buy
1,248,061
+3,096
+0.2% +$871K 1.01% 31
2019
Q2
$329M Sell
1,244,965
-170,300
-12% -$42.4M 0.94% 31
2019
Q1
$343M Sell
1,415,265
-360,459
-20% -$78.8M 0.97% 29
2018
Q4
$362M Sell
1,775,724
-134,952
-7% -$30.1M 1.22% 21
2018
Q3
$449M Sell
1,910,676
-20,615
-1% -$4.64M 1.28% 22
2018
Q2
$404M Sell
1,931,291
-54,524
-3% -$10.8M 1.24% 23
2018
Q1
$374M Sell
1,985,815
-79,521
-4% -$15M 1.21% 25
2017
Q4
$384M Buy
2,065,336
+57,407
+3% +$9.91M 1.22% 25
2017
Q3
$330M Sell
2,007,929
-623,064
-24% -$97.9M 1.09% 27
2017
Q2
$421M Sell
2,630,993
-271,082
-9% -$46.7M 1.29% 21
2017
Q1
$487M Sell
2,902,075
-356,197
-11% -$59.7M 1.66% 9
2016
Q4
$522M Sell
3,258,272
-234,385
-7% -$35.8M 1.86% 7
2016
Q3
$533M Sell
3,492,657
-232,387
-6% -$37.6M 1.83% 8
2016
Q2
$585M Buy
3,725,044
+193,085
+5% +$29.2M 2.06% 8
2016
Q1
$557M Sell
3,531,959
-45,000
-1% -$6.82M 1.92% 12
2015
Q4
$578M Sell
3,576,959
-78,878
-2% -$12.5M 1.96% 12
2015
Q3
$529M Sell
3,655,837
-329,019
-8% -$46.9M 1.89% 13
2015
Q2
$538M Buy
3,984,856
+746,394
+23% +$107M 1.75% 18
2015
Q1
$491M Sell
3,238,462
-149,297
-4% -$21.9M 1.56% 21
2014
Q4
$480M Sell
3,387,759
-157,956
-4% -$21.5M 1.51% 22
2014
Q3
$444M Sell
3,545,715
-283,434
-7% -$34.3M 1.43% 23
2014
Q2
$441M Sell
3,829,149
-606,368
-14% -$69.6M 1.39% 26
2014
Q1
$495M Buy
4,435,517
+54,679
+1% +$6.25M 1.58% 25
2013
Q4
$521M Buy
4,380,838
+355,329
+9% +$42.5M 1.69% 23
2013
Q3
$464M Buy
4,025,509
+197,428
+5% +$22.8M 1.66% 24
2013
Q2
$423M Buy
+3,828,081
New +$419M 1.7% 22

Other funds holding COST

Brown Advisory's COST Position: Q1 2026 in Review

Brown Advisory reduced its Costco (COST) stake by 19% in Q1 2026, selling an estimated $70.5M and leaving 317,765 shares worth $317M. The position accounts for 0.52% of the portfolio, ranked #48.

Brown Advisory first reported a position in COST in Q2 2013 and has held it in 52 quarters since. The position peaked at $747M in Q4 2021. 4,237 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Brown Advisory held 317,765 shares of Costco worth $317M as of Q1 2026.
  • Brown Advisory sold 72,307 Costco shares in Q1 2026, an estimated $70.5M.
  • Costco made up 0.52% of Brown Advisory's portfolio in Q1 2026, its #48 holding.
  • Brown Advisory first reported a position in Costco in Q2 2013 and has held it in 52 quarters since.
  • Brown Advisory's Costco position peaked at $747M in Q4 2021.
  • 4,237 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Brown Advisory's 13F filing for Q1 2026, filed 15 May 2026.