WT
COST icon

Whittier Trust’s Costco COST Stock Holding History

Whittier Trust’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 		$53.1M Sell
55,870
-11,447
-17% -$11.4M 0.52% 46
2026
Q1 		$68.6M Buy
67,317
+2,701
+4% +$2.63M 0.77% 30
2025
Q4 		$57.5M Buy
64,616
+782
+1% +$709K 0.62% 38
2025
Q3 		$58.4M Buy
63,834
+717
+1% +$687K 0.67% 32
2025
Q2 		$62.5M Buy
63,117
+3,038
+5% +$3.02M 0.75% 24
2025
Q1 		$56.8M Sell
60,079
-331
-0.5% -$323K 0.79% 22
2024
Q4 		$55.4M Buy
60,410
+1,079
+2% +$1M 0.73% 25
2024
Q3 		$52.6M Buy
59,331
+799
+1% +$693K 0.7% 31
2024
Q2 		$49.8M Buy
58,532
+446
+0.8% +$348K 0.71% 29
2024
Q1 		$42.6M Buy
58,086
+706
+1% +$504K 0.62% 38
2023
Q4 		$37.9M Sell
57,380
-71
-0.1% -$42.1K 0.61% 39
2023
Q3 		$32.5M Buy
57,451
+803
+1% +$443K 0.58% 39
2023
Q2 		$30.5M Sell
56,648
-1,642
-3% -$831K 0.53% 41
2023
Q1 		$29M Buy
58,290
+387
+0.7% +$190K 0.53% 44
2022
Q4 		$26.4M Buy
57,903
+300
+0.5% +$147K 0.51% 45
2022
Q3 		$27.2M Sell
57,603
-3,587
-6% -$1.87M 0.57% 40
2022
Q2 		$29.3M Sell
61,190
-338
-0.5% -$171K 0.59% 38
2022
Q1 		$35.4M Buy
61,528
+6,770
+12% +$3.55M 0.6% 36
2021
Q4 		$31.1M Buy
54,758
+2,677
+5% +$1.37M 0.51% 50
2021
Q3 		$23.4M Sell
52,081
-272
-0.5% -$120K 0.43% 59
2021
Q2 		$20.7M Buy
52,353
+959
+2% +$363K 0.37% 66
2021
Q1 		$18.1M Buy
51,394
+2,838
+6% +$988K 0.35% 71
2020
Q4 		$18.3M Buy
48,556
+1,391
+3% +$520K 0.39% 65
2020
Q3 		$16.7M Buy
47,165
+451
+1% +$152K 0.4% 61
2020
Q2 		$14.2M Sell
46,714
-1,226
-3% -$373K 0.39% 65
2020
Q1 		$13.7M Sell
47,940
-1,913
-4% -$580K 0.45% 57
2019
Q4 		$14.7M Buy
49,853
+144
+0.3% +$42.8K 0.38% 68
2019
Q3 		$14.3M Buy
49,709
+119
+0.2% +$33.5K 0.41% 65
2019
Q2 		$13.1M Buy
49,590
+234
+0.5% +$58.3K 0.38% 71
2019
Q1 		$12M Sell
49,356
-162
-0.3% -$35.4K 0.37% 74
2018
Q4 		$10.1M Buy
49,518
+642
+1% +$143K 0.35% 77
2018
Q3 		$11.5M Buy
48,876
+285
+0.6% +$64.2K 0.36% 77
2018
Q2 		$10.2M Buy
48,591
+587
+1% +$116K 0.34% 87
2018
Q1 		$9.04M Buy
48,004
+1,827
+4% +$345K 0.3% 99
2017
Q4 		$8.6M Sell
46,177
-362
-0.8% -$62.5K 0.3% 97
2017
Q3 		$7.65M Buy
46,539
+6,762
+17% +$1.06M 0.28% 102
2017
Q2 		$6.36M Buy
39,777
+17,865
+82% +$3.08M 0.25% 111
2017
Q1 		$3.67M Buy
21,912
+1,310
+6% +$220K 0.15% 152
2016
Q4 		$3.3M Sell
20,602
-1,026
-5% -$157K 0.14% 154
2016
Q3 		$3.3M Sell
21,628
-456
-2% -$73.7K 0.14% 152
2016
Q2 		$3.47M Sell
22,084
-80
-0.4% -$12.1K 0.15% 149
2016
Q1 		$3.49M Sell
22,164
-35
-0.2% -$5.3K 0.15% 150
2015
Q4 		$3.59M Buy
22,199
+3,666
+20% +$579K 0.16% 147
2015
Q3 		$2.68M Sell
18,533
-6,824
-27% -$974K 0.13% 167
2015
Q2 		$3.42M Buy
25,357
+7,324
+41% +$1.05M 0.15% 154
2015
Q1 		$2.73M Sell
18,033
-6
-0% -$880 0.13% 162
2014
Q4 		$2.56M Sell
18,039
-73
-0.4% -$9.92K 0.12% 169
2014
Q3 		$2.27M Buy
18,112
+133
+0.7% +$16.1K 0.11% 171
2014
Q2 		$2.07M Sell
17,979
-900
-5% -$103K 0.1% 173
2014
Q1 		$2.11M Sell
18,879
-158
-0.8% -$18.1K 0.11% 161
2013
Q4 		$2.27M Hold
19,037
– – 0.12% 157
2013
Q3 		$2.19M Hold
19,037
– – 0.12% 159
2013
Q2 		$2.1M Buy
+19,037
New +$2.08M 0.12% 156

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's COST Position: Q2 2026 in Review

Whittier Trust reduced its Costco (COST) stake by 17% in Q2 2026, selling an estimated $11.4M and leaving 55,870 shares worth $53.1M. The position accounts for 0.52% of the portfolio, ranked #46.

Whittier Trust first reported a position in COST in Q2 2013 and has held it in 53 quarters since. The position peaked at $68.6M in Q1 2026. 1,718 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Whittier Trust held 55,870 shares of Costco worth $53.1M as of Q2 2026.
  • Whittier Trust sold 11,447 Costco shares in Q2 2026, an estimated $11.4M.
  • Costco made up 0.52% of Whittier Trust's portfolio in Q2 2026, its #46 holding.
  • Whittier Trust first reported a position in Costco in Q2 2013 and has held it in 53 quarters since.
  • Whittier Trust's Costco position peaked at $68.6M in Q1 2026.
  • 1,718 funds tracked by Wall St. Rank held Costco as of Q2 2026.

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