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Baldwin Investment Management’s Costco COST Stock Holding History

Baldwin Investment Management’s Portfolio COST Stock Details COST Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$13.9M Buy
14,865
+3,284
+28% +$3.27M 1.35% 10
2026
Q1 		$11.5M Buy
11,581
+225
+2% +$219K 1.35% 8
2025
Q4 		$9.79M Buy
11,356
+308
+3% +$279K 1.11% 10
2025
Q3 		$10.2M Buy
11,048
+1,058
+11% +$1.01M 1.17% 8
2025
Q2 		$9.89M Buy
9,990
+61
+0.6% +$60.6K 1.19% 8
2025
Q1 		$9.39M Buy
9,929
+389
+4% +$379K 1.13% 8
2024
Q4 		$8.74M Sell
9,540
-315
-3% -$292K 1.14% 8
2024
Q3 		$8.74M Sell
9,855
-218
-2% -$189K 1.1% 8
2024
Q2 		$8.56M Sell
10,073
-204
-2% -$159K 1.17% 8
2024
Q1 		$7.53M Buy
10,277
+193
+2% +$138K 1.02% 9
2023
Q4 		$6.66M Buy
10,084
+105
+1% +$62.2K 1.04% 8
2023
Q3 		$5.64M Sell
9,979
-265
-3% -$146K 0.94% 9
2023
Q2 		$5.51M Sell
10,244
-320
-3% -$162K 0.91% 9
2023
Q1 		$5.25M Buy
10,564
+35
+0.3% +$17.2K 0.93% 11
2022
Q4 		$4.81M Buy
10,529
+185
+2% +$90.4K 0.87% 12
2022
Q3 		$4.88K Sell
10,344
-293
-3% -$152K 0.99% 6
2022
Q2 		$5.1K Sell
10,637
-27
-0.3% -$13.7K 0.97% 8
2022
Q1 		$6.14K Sell
10,664
-475
-4% -$249K 0.93% 7
2021
Q4 		$6.32K Buy
11,139
+241
+2% +$123K 0.99% 7
2021
Q3 		$4.9M Sell
10,898
-88
-0.8% -$38.7K 0.85% 10
2021
Q2 		$4.35M Sell
10,986
-35
-0.3% -$13.2K 0.74% 19
2021
Q1 		$3.88M Buy
11,021
+623
+6% +$217K 0.71% 20
2020
Q4 		$3.92M Buy
10,398
+287
+3% +$107K 0.77% 19
2020
Q3 		$3.59M Buy
10,111
+970
+11% +$326K 0.84% 13
2020
Q2 		$2.77M Sell
9,141
-205
-2% -$62.4K 0.87% 13
2020
Q1 		$2.67M Sell
9,346
-100
-1% -$30.3K 0.92% 8
2019
Q4 		$2.78M Hold
9,446
– – 0.74% 14
2019
Q3 		$2.72M Buy
9,446
+11
+0.1% +$3.1K 0.79% 11
2019
Q2 		$2.49M Sell
9,435
-150
-2% -$37.4K 0.72% 12
2019
Q1 		$2.32M Sell
9,585
-125
-1% -$27.3K 0.7% 14
2018
Q4 		$1.98M Sell
9,710
-240
-2% -$53.6K 0.63% 15
2018
Q3 		$2.34M Sell
9,950
-125
-1% -$28.2K 0.67% 15
2018
Q2 		$2.1M Buy
10,075
+650
+7% +$128K 0.66% 16
2018
Q1 		$1.78M Sell
9,425
-215
-2% -$40.6K 0.64% 17
2017
Q4 		$1.79M Sell
9,640
-35
-0.4% -$6.04K 0.64% 14
2017
Q3 		$1.59M Hold
9,675
– – 0.6% 17
2017
Q2 		$1.55M Sell
9,675
-375
-4% -$64.6K 0.62% 13
2017
Q1 		$1.69M Hold
10,050
– – 0.65% 14
2016
Q4 		$1.61M Sell
10,050
-300
-3% -$45.8K 0.64% 15
2016
Q3 		$1.58M Sell
10,350
-925
-8% -$149K 0.67% 15
2016
Q2 		$1.77M Sell
11,275
-255
-2% -$38.6K 0.76% 11
2016
Q1 		$1.82M Buy
11,530
+142
+1% +$21.5K 0.78% 11
2015
Q4 		$1.84M Sell
11,388
-67
-0.6% -$10.6K 0.83% 10
2015
Q3 		$1.66M Buy
11,455
+175
+2% +$25K 0.73% 11
2015
Q2 		$1.52M Sell
11,280
-307
-3% -$44.1K 0.63% 17
2015
Q1 		$1.75M Buy
11,587
+150
+1% +$22K 0.69% 10
2014
Q4 		$1.62M Buy
11,437
+60
+0.5% +$8.15K 0.63% 16
2014
Q3 		$1.43M Buy
11,377
+687
+6% +$83K 0.59% 18
2014
Q2 		$1.23M Buy
10,690
+315
+3% +$36.1K 0.53% 24
2014
Q1 		$1.16M Buy
10,375
+125
+1% +$14.3K 0.51% 26
2013
Q4 		$1.22M Sell
10,250
-150
-1% -$17.9K 0.55% 23
2013
Q3 		$1.2M Sell
10,400
-75
-0.7% -$8.66K 0.58% 20
2013
Q2 		$1.16M Buy
+10,475
New +$1.15M 0.57% 18

Other funds holding COST

Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return
Swedbank
Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return
Parnassus Investments
Parnassus Investments San Francisco, California $37.4B AUM 35.42% 1-Year Est. Return
EA
Emerald Advisors Bellevue, Washington $796M AUM 2.51% 1-Year Est. Return
New York State Common Retirement Fund
New York State Common Retirement Fund Albany, New York $79.3B AUM 43.63% 1-Year Est. Return
PTC
Provident Trust Company Waukesha, Wisconsin $4.77B AUM 29.31% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return
Commonwealth Equity Services
Commonwealth Equity Services Waltham, Massachusetts $79.5B AUM 27.1% 1-Year Est. Return
New York State Teachers Retirement System (NYSTRS)
New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 1-Year Est. Return
TWC
TD Waterhouse Canada Toronto, Ontario, Canada $38B AUM 39.14% 1-Year Est. Return

Baldwin Investment Management's COST Position: Q2 2026 in Review

Baldwin Investment Management increased its Costco (COST) stake by 28% in Q2 2026, buying an estimated $3.27M and bringing the position to 14,865 shares worth $13.9M. The position accounts for 1.35% of the portfolio, ranked #10.

Baldwin Investment Management first reported a position in COST in Q2 2013 and has held it in 53 quarters since. 1,853 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Baldwin Investment Management held 14,865 shares of Costco worth $13.9M as of Q2 2026.
  • Baldwin Investment Management bought 3,284 Costco shares in Q2 2026, an estimated $3.27M.
  • Costco made up 1.35% of Baldwin Investment Management's portfolio in Q2 2026, its #10 holding.
  • Baldwin Investment Management first reported a position in Costco in Q2 2013 and has held it in 53 quarters since.
  • 1,853 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Baldwin Investment Management's 13F filing for Q2 2026, filed 28 Jul 2026.