Loomis, Sayles & Company
COST icon

Loomis, Sayles & Company’s Costco COST Stock Holding History

Loomis, Sayles & 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
Q1 		$192M Sell
192,642
-18,511
-9% -$18M 0.26% 46
2025
Q4 		$182M Sell
211,153
-9,973
-5% -$9.04M 0.22% 56
2025
Q3 		$205M Sell
221,126
-492
-0.2% -$472K 0.24% 52
2025
Q2 		$219M Sell
221,618
-15,191
-6% -$15.1M 0.27% 46
2025
Q1 		$224M Sell
236,809
-104,504
-31% -$102M 0.32% 46
2024
Q4 		$313M Sell
341,313
-12,141
-3% -$11.3M 0.39% 42
2024
Q3 		$313M Buy
353,454
+5,253
+2% +$4.56M 0.41% 46
2024
Q2 		$296M Sell
348,201
-9,826
-3% -$7.67M 0.41% 40
2024
Q1 		$262M Sell
358,027
-27,939
-7% -$19.9M 0.37% 43
2023
Q4 		$255M Sell
385,966
-24,635
-6% -$14.6M 0.39% 43
2023
Q3 		$232M Sell
410,601
-1,703
-0.4% -$940K 0.4% 45
2023
Q2 		$222M Sell
412,304
-16,007
-4% -$8.1M 0.36% 44
2023
Q1 		$213M Sell
428,311
-3,787
-0.9% -$1.86M 0.37% 45
2022
Q4 		$197M Sell
432,098
-50,626
-10% -$24.7M 0.39% 46
2022
Q3 		$228M Sell
482,724
-4,497
-0.9% -$2.34M 0.46% 45
2022
Q2 		$234M Sell
487,221
-23,198
-5% -$11.8M 0.43% 46
2022
Q1 		$294M Sell
510,419
-105,040
-17% -$55.1M 0.39% 46
2021
Q4 		$349M Sell
615,459
-37,364
-6% -$19.1M 0.42% 44
2021
Q3 		$293M Buy
652,823
+4,604
+0.7% +$2.02M 0.36% 45
2021
Q2 		$256M Sell
648,219
-12,683
-2% -$4.8M 0.31% 49
2021
Q1 		$233M Buy
660,902
+169,252
+34% +$58.9M 0.3% 47
2020
Q4 		$185M Buy
491,650
+71,303
+17% +$26.6M 0.24% 51
2020
Q3 		$149M Buy
420,347
+20,394
+5% +$6.85M 0.22% 53
2020
Q2 		$121M Buy
399,953
+396,761
+12,430% +$121M 0.19% 54
2020
Q1 		$910K Buy
3,192
+2,664
+505% +$808K ﹤0.01% 463
2019
Q4 		$155K Sell
528
-124
-19% -$36.9K ﹤0.01% 547
2019
Q3 		$188K Buy
+652
New +$183K ﹤0.01% 516
2019
Q1 		– Sell
-7,959
Closed -$1.62M – 790
2018
Q4 		$1.62M Sell
7,959
-14,162
-64% -$3.16M ﹤0.01% 522
2018
Q3 		$5.2M Sell
22,121
-38,749
-64% -$8.73M 0.01% 473
2018
Q2 		$12.7M Sell
60,870
-25,016
-29% -$4.94M 0.03% 359
2018
Q1 		$16.2M Buy
85,886
+2,412
+3% +$455K 0.03% 303
2017
Q4 		$15.5M Sell
83,474
-3,415
-4% -$590K 0.03% 339
2017
Q3 		$14.3M Buy
86,889
+52
+0.1% +$8.17K 0.03% 352
2017
Q2 		$13.9M Buy
86,837
+4,185
+5% +$721K 0.03% 339
2017
Q1 		$13.9M Buy
+82,652
New +$13.9M 0.03% 350
2015
Q4 		– Sell
-145,004
Closed -$21M – 1059
2015
Q3 		$21M Buy
145,004
+772
+0.5% +$110K 0.06% 270
2015
Q2 		$19.5M Buy
144,232
+1,877
+1% +$270K 0.05% 328
2015
Q1 		$21.6M Sell
142,355
-18,796
-12% -$2.76M 0.06% 309
2014
Q4 		$22.8M Sell
161,151
-13,388
-8% -$1.82M 0.06% 282
2014
Q3 		$21.9M Sell
174,539
-3,719
-2% -$449K 0.06% 277
2014
Q2 		$20.5M Sell
178,258
-3,259
-2% -$374K 0.06% 343
2014
Q1 		$20.3M Buy
181,517
+9,531
+6% +$1.09M 0.06% 342
2013
Q4 		$20.5M Buy
171,986
+16,223
+10% +$1.94M 0.06% 347
2013
Q3 		$17.9M Sell
155,763
-6,128
-4% -$707K 0.06% 369
2013
Q2 		$17.9K Buy
+161,891
New +$17.7M 0.06% 336

Other funds holding COST

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
DAM
Diamant Asset Management Ridgefield, Connecticut $137B AUM 18.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Loomis, Sayles & Company's COST Position: Q1 2026 in Review

Loomis, Sayles & Company reduced its Costco (COST) stake by 8.8% in Q1 2026, selling an estimated $18M and leaving 192,642 shares worth $192M. The position accounts for 0.26% of the portfolio, ranked #46.

Loomis, Sayles & Company first reported a position in COST in Q2 2013 and has held it in 45 quarters since. The position peaked at $349M in Q4 2021. 4,239 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Loomis, Sayles & Company held 192,642 shares of Costco worth $192M as of Q1 2026.
  • Loomis, Sayles & Company sold 18,511 Costco shares in Q1 2026, an estimated $18M.
  • Costco made up 0.26% of Loomis, Sayles & Company's portfolio in Q1 2026, its #46 holding.
  • Loomis, Sayles & Company first reported a position in Costco in Q2 2013 and has held it in 45 quarters since.
  • Loomis, Sayles & Company's Costco position peaked at $349M in Q4 2021.
  • 4,239 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Loomis, Sayles & Company's 13F filing for Q1 2026, filed 14 May 2026.