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WhitTier Trust Company’s Costco COST Stock Holding History

WhitTier Trust Company’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 		$28.9M Sell
30,479
-5,240
-15% -$5.22M 0.54% 40
2026
Q1 		$36.4M Buy
35,719
+1,784
+5% +$1.74M 0.75% 27
2025
Q4 		$30.2M Buy
33,935
+427
+1% +$387K 0.63% 32
2025
Q3 		$30.7M Buy
33,508
+571
+2% +$547K 0.65% 31
2025
Q2 		$32.6M Buy
32,937
+366
+1% +$364K 0.74% 26
2025
Q1 		$30.8M Buy
32,571
+437
+1% +$426K 0.78% 25
2024
Q4 		$29.4M Buy
32,134
+478
+2% +$444K 0.72% 27
2024
Q3 		$28.1M Buy
31,656
+1,680
+6% +$1.46M 0.72% 26
2024
Q2 		$25.5M Sell
29,976
-363
-1% -$283K 0.71% 30
2024
Q1 		$22.2M Buy
30,339
+803
+3% +$573K 0.64% 35
2023
Q4 		$19.5M Sell
29,536
-38
-0.1% -$22.5K 0.62% 38
2023
Q3 		$16.7M Sell
29,574
-39
-0.1% -$21.5K 0.59% 41
2023
Q2 		$15.9M Buy
29,613
+516
+2% +$261K 0.54% 43
2023
Q1 		$14.5M Buy
29,097
+725
+3% +$356K 0.53% 45
2022
Q4 		$13M Sell
28,372
-393
-1% -$192K 0.51% 48
2022
Q3 		$13.6M Buy
28,765
+4,687
+19% +$2.44M 0.58% 43
2022
Q2 		$11.5M Buy
24,078
+850
+4% +$431K 0.48% 48
2022
Q1 		$13.4M Buy
23,228
+3,298
+17% +$1.73M 0.49% 45
2021
Q4 		$11.3M Buy
19,930
+524
+3% +$268K 0.41% 59
2021
Q3 		$8.72M Buy
19,406
+172
+0.9% +$75.6K 0.36% 70
2021
Q2 		$7.61M Sell
19,234
-264
-1% -$99.8K 0.32% 74
2021
Q1 		$6.87M Buy
19,498
+1,501
+8% +$523K 0.31% 80
2020
Q4 		$6.78M Buy
17,997
+412
+2% +$154K 0.34% 75
2020
Q3 		$6.24M Buy
17,585
+663
+4% +$223K 0.36% 70
2020
Q2 		$5.13M Buy
16,922
+1,302
+8% +$396K 0.32% 80
2020
Q1 		$4.45M Sell
15,620
-669
-4% -$203K 0.34% 81
2019
Q4 		$4.79M Sell
16,289
-555
-3% -$165K 0.31% 88
2019
Q3 		$4.85M Buy
16,844
+963
+6% +$271K 0.34% 81
2019
Q2 		$4.2M Buy
15,881
+124
+0.8% +$30.9K 0.3% 92
2019
Q1 		$3.81M Sell
15,757
-2,198
-12% -$481K 0.28% 91
2018
Q4 		$3.66M Buy
17,955
+375
+2% +$83.7K 0.3% 88
2018
Q3 		$4.13M Buy
17,580
+218
+1% +$49.1K 0.3% 88
2018
Q2 		$3.63M Buy
17,362
+494
+3% +$97.6K 0.28% 91
2018
Q1 		$3.18M Buy
16,868
+1,321
+8% +$249K 0.26% 98
2017
Q4 		$2.89M Buy
15,547
+169
+1% +$29.2K 0.25% 102
2017
Q3 		$2.53M Buy
15,378
+954
+7% +$150K 0.23% 105
2017
Q2 		$2.31M Buy
14,424
+3,284
+29% +$566K 0.22% 110
2017
Q1 		$1.87M Sell
11,140
-4,000
-26% -$670K 0.19% 124
2016
Q4 		$2.42M Buy
15,140
+933
+7% +$142K 0.26% 96
2016
Q3 		$2.17M Hold
14,207
– – 0.25% 102
2016
Q2 		$2.23M Hold
14,207
– – 0.25% 95
2016
Q1 		$2.24M Buy
14,207
+725
+5% +$110K 0.26% 94
2015
Q4 		$2.18M Hold
13,482
– – 0.26% 97
2015
Q3 		$1.95M Buy
13,482
+3,130
+30% +$447K 0.24% 98
2015
Q2 		$1.4M Buy
10,352
+601
+6% +$86.4K 0.16% 140
2015
Q1 		$1.48M Sell
9,751
-250
-2% -$36.7K 0.16% 130
2014
Q4 		$1.42M Hold
10,001
– – 0.16% 132
2014
Q3 		$1.25M Buy
10,001
+200
+2% +$24.2K 0.14% 146
2014
Q2 		$1.13M Hold
9,801
– – 0.13% 166
2014
Q1 		$1.09M Sell
9,801
-200
-2% -$22.9K 0.13% 162
2013
Q4 		$1.19M Buy
10,001
+450
+5% +$53.8K 0.14% 141
2013
Q3 		$1.1M Sell
9,551
-800
-8% -$92.3K 0.15% 142
2013
Q2 		$1.15M Buy
+10,351
New +$1.13M 0.17% 129

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
EA
Emerald Advisors Bellevue, Washington $796M AUM 2.51% 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
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
KeyBank National Association
KeyBank National Association Cleveland, Ohio $30.4B AUM 27.51% 1-Year Est. Return
Ninety One (UK)
Ninety One (UK) London, United Kingdom $44.7B AUM 17.24% 1-Year Est. Return
Mirae Asset Global Investments
Mirae Asset Global Investments Seoul, South Korea $67.7B AUM 51.91% 1-Year Est. Return

WhitTier Trust Company's COST Position: Q2 2026 in Review

WhitTier Trust Company reduced its Costco (COST) stake by 15% in Q2 2026, selling an estimated $5.22M and leaving 30,479 shares worth $28.9M. The position accounts for 0.54% of the portfolio, ranked #40.

WhitTier Trust Company first reported a position in COST in Q2 2013 and has held it in 53 quarters since. The position peaked at $36.4M in Q1 2026. 1,718 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • WhitTier Trust Company held 30,479 shares of Costco worth $28.9M as of Q2 2026.
  • WhitTier Trust Company sold 5,240 Costco shares in Q2 2026, an estimated $5.22M.
  • Costco made up 0.54% of WhitTier Trust Company's portfolio in Q2 2026, its #40 holding.
  • WhitTier Trust Company first reported a position in Costco in Q2 2013 and has held it in 53 quarters since.
  • WhitTier Trust Company's Costco position peaked at $36.4M in Q1 2026.
  • 1,718 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on WhitTier Trust Company's 13F filing for Q2 2026, filed 28 Jul 2026.