Massachusetts Financial Services’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
$141M Sell
138,102
-3,961
-3% -$3.86M 0.05% 312
2025
Q4
$123M Sell
142,063
-21,293
-13% -$19.3M 0.04% 349
2025
Q3
$151M Buy
163,356
+651
+0.4% +$624K 0.05% 325
2025
Q2
$161M Sell
162,705
-18,001
-10% -$17.9M 0.05% 321
2025
Q1
$171M Sell
180,706
-15,766
-8% -$15.4M 0.06% 301
2024
Q4
$180M Sell
196,472
-9,397
-5% -$8.72M 0.06% 296
2024
Q3
$183M Sell
205,869
-30,371
-13% -$26.4M 0.05% 297
2024
Q2
$201M Sell
236,240
-6,333
-3% -$4.94M 0.06% 264
2024
Q1
$178M Sell
242,573
-25,886
-10% -$18.5M 0.05% 291
2023
Q4
$177M Sell
268,459
-9,411
-3% -$5.58M 0.06% 284
2023
Q3
$157M Sell
277,870
-4,088
-1% -$2.26M 0.06% 276
2023
Q2
$152M Sell
281,958
-6,460
-2% -$3.27M 0.05% 291
2023
Q1
$143M Sell
288,418
-3,752
-1% -$1.84M 0.05% 300
2022
Q4
$133M Sell
292,170
-39,525
-12% -$19.3M 0.05% 308
2022
Q3
$157M Buy
331,695
+3,377
+1% +$1.76M 0.06% 264
2022
Q2
$157M Sell
328,318
-27,200
-8% -$13.8M 0.05% 285
2022
Q1
$205M Sell
355,518
-266,482
-43% -$140M 0.06% 265
2021
Q4
$353M Sell
622,000
-106,182
-15% -$54.4M 0.1% 188
2021
Q3
$327M Sell
728,182
-102,749
-12% -$45.2M 0.1% 190
2021
Q2
$329M Sell
830,931
-57,867
-7% -$21.9M 0.1% 192
2021
Q1
$313M Sell
888,798
-211,735
-19% -$73.7M 0.1% 188
2020
Q4
$415M Sell
1,100,533
-20,618
-2% -$7.7M 0.13% 162
2020
Q3
$398M Buy
1,121,151
+72,840
+7% +$24.5M 0.14% 154
2020
Q2
$318M Sell
1,048,311
-1,002,057
-49% -$305M 0.13% 168
2020
Q1
$585M Sell
2,050,368
-25,162
-1% -$7.64M 0.28% 98
2019
Q4
$610M Sell
2,075,530
-63,805
-3% -$19M 0.23% 110
2019
Q3
$616M Sell
2,139,335
-168,697
-7% -$47.5M 0.25% 105
2019
Q2
$610M Sell
2,308,032
-518,839
-18% -$129M 0.25% 104
2019
Q1
$684M Buy
2,826,871
+70,285
+3% +$15.4M 0.29% 96
2018
Q4
$562M Buy
2,756,586
+117,887
+4% +$26.3M 0.27% 97
2018
Q3
$620M Sell
2,638,699
-5,446
-0.2% -$1.23M 0.26% 102
2018
Q2
$553M Sell
2,644,145
-62,328
-2% -$12.3M 0.24% 109
2018
Q1
$510M Sell
2,706,473
-112,560
-4% -$21.2M 0.22% 115
2017
Q4
$525M Sell
2,819,033
-12,665
-0.4% -$2.19M 0.22% 112
2017
Q3
$465M Buy
2,831,698
+63,078
+2% +$9.91M 0.2% 125
2017
Q2
$443M Sell
2,768,620
-301,210
-10% -$51.9M 0.2% 129
2017
Q1
$515M Sell
3,069,830
-42,236
-1% -$7.08M 0.24% 110
2016
Q4
$498M Buy
3,112,066
+163,508
+6% +$25M 0.24% 112
2016
Q3
$450M Sell
2,948,558
-562,642
-16% -$90.9M 0.22% 121
2016
Q2
$551M Buy
3,511,200
+174,920
+5% +$26.5M 0.28% 103
2016
Q1
$526M Buy
3,336,280
+117,999
+4% +$17.9M 0.27% 101
2015
Q4
$520M Buy
3,218,281
+547,569
+21% +$86.5M 0.28% 95
2015
Q3
$386M Buy
2,670,712
+1,621,224
+154% +$231M 0.22% 116
2015
Q2
$142M Sell
1,049,488
-20,608
-2% -$2.96M 0.07% 216
2015
Q1
$162M Sell
1,070,096
-8,860
-0.8% -$1.3M 0.08% 201
2014
Q4
$153M Buy
1,078,956
+27,142
+3% +$3.69M 0.08% 206
2014
Q3
$132M Buy
1,051,814
+46,933
+5% +$5.67M 0.07% 223
2014
Q2
$116M Sell
1,004,881
-118,734
-11% -$13.6M 0.06% 234
2014
Q1
$125M Buy
1,123,615
+12,815
+1% +$1.47M 0.07% 225
2013
Q4
$132M Buy
1,110,800
+66,785
+6% +$7.98M 0.07% 213
2013
Q3
$120M Sell
1,044,015
-13,964
-1% -$1.61M 0.07% 220
2013
Q2
$117M Buy
+1,057,979
New +$116M 0.08% 212

Other funds holding COST

Massachusetts Financial Services's COST Position: Q1 2026 in Review

Massachusetts Financial Services reduced its Costco (COST) stake by 2.8% in Q1 2026, selling an estimated $3.86M and leaving 138,102 shares worth $141M. The position accounts for 0.05% of the portfolio, ranked #312.

Massachusetts Financial Services first reported a position in COST in Q2 2013 and has held it in 52 quarters since. The position peaked at $684M in Q1 2019. 4,237 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Massachusetts Financial Services held 138,102 shares of Costco worth $141M as of Q1 2026.
  • Massachusetts Financial Services sold 3,961 Costco shares in Q1 2026, an estimated $3.86M.
  • Costco made up 0.05% of Massachusetts Financial Services's portfolio in Q1 2026, its #312 holding.
  • Massachusetts Financial Services first reported a position in Costco in Q2 2013 and has held it in 52 quarters since.
  • Massachusetts Financial Services's Costco position peaked at $684M in Q1 2019.
  • 4,237 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Massachusetts Financial Services's 13F filing for Q1 2026, filed 14 May 2026.