Assenagon Asset Management
COST icon

Assenagon Asset Management’s Costco COST Stock Holding History

Assenagon Asset 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 		$627M Buy
670,304
+160,619
+32% +$160M 0.78% 18
2026
Q1 		$508M Sell
509,685
-627,751
-55% -$612M 0.77% 21
2025
Q4 		$981M Buy
1,137,436
+1,070,005
+1,587% +$970M 1.35% 9
2025
Q3 		$62.4M Sell
67,431
-758,869
-92% -$727M 0.09% 186
2025
Q2 		$818M Sell
826,300
-377,557
-31% -$375M 1.21% 15
2025
Q1 		$1.14B Buy
1,203,857
+135,085
+13% +$132M 1.9% 8
2024
Q4 		$979M Buy
1,068,772
+382,367
+56% +$355M 1.58% 11
2024
Q3 		$609M Sell
686,405
-149,842
-18% -$130M 1.12% 17
2024
Q2 		$711M Buy
836,247
+620,341
+287% +$484M 1.58% 12
2024
Q1 		$158M Buy
215,906
+200,304
+1,284% +$143M 0.37% 48
2023
Q4 		$10.3M Sell
15,602
-258,314
-94% -$153M 0.03% 450
2023
Q3 		$155M Buy
273,916
+153,948
+128% +$85M 0.48% 33
2023
Q2 		$64.6M Buy
119,968
+99,526
+487% +$50.4M 0.22% 87
2023
Q1 		$10.2M Sell
20,442
-168,677
-89% -$82.7M 0.04% 381
2022
Q4 		$86.3M Buy
189,119
+42,320
+29% +$20.7M 0.31% 71
2022
Q3 		$69.3M Buy
146,799
+134,469
+1,091% +$69.9M 0.27% 83
2022
Q2 		$5.91M Sell
12,330
-149,562
-92% -$75.9M 0.02% 494
2022
Q1 		$93.2M Sell
161,892
-81,080
-33% -$42.6M 0.26% 79
2021
Q4 		$138M Buy
242,972
+204,941
+539% +$105M 0.4% 46
2021
Q3 		$17.1M Sell
38,031
-156,575
-80% -$68.8M 0.05% 226
2021
Q2 		$77M Buy
194,606
+109,085
+128% +$41.2M 0.26% 69
2021
Q1 		$30.1M Buy
85,521
+14,668
+21% +$5.11M 0.12% 148
2020
Q4 		$26.7M Buy
70,853
+22,761
+47% +$8.5M 0.12% 139
2020
Q3 		$17.1M Buy
48,092
+43,477
+942% +$14.6M 0.1% 142
2020
Q2 		$1.4M Sell
4,615
-63,204
-93% -$19.2M 0.01% 701
2020
Q1 		$19.3M Sell
67,819
-46,212
-41% -$14M 0.15% 105
2019
Q4 		$33.5M Buy
114,031
+106,591
+1,433% +$31.7M 0.21% 80
2019
Q3 		$2.14M Hold
7,440
– – 0.01% 393
2019
Q2 		$1.97M Sell
7,440
-130,643
-95% -$32.6M 0.01% 530
2019
Q1 		$33.4M Sell
138,083
-311,747
-69% -$68.2M 0.31% 67
2018
Q4 		$91.6M Buy
449,830
+332,155
+282% +$74.2M 1.04% 15
2018
Q3 		$27.6M Buy
117,675
+56,470
+92% +$12.7M 0.27% 79
2018
Q2 		$12.8M Sell
61,205
-19,407
-24% -$3.83M 0.15% 150
2018
Q1 		$15.2M Buy
80,612
+50,008
+163% +$9.43M 0.2% 125
2017
Q4 		$5.7M Sell
30,604
-24,142
-44% -$4.17M 0.06% 242
2017
Q3 		$8.99M Buy
54,746
+27,325
+100% +$4.29M 0.08% 184
2017
Q2 		$4.38M Sell
27,421
-2,041
-7% -$352K 0.1% 91
2017
Q1 		$4.94M Buy
29,462
+4,199
+17% +$704K 0.11% 97
2016
Q4 		$4.04M Buy
+25,263
New +$3.86M 0.08% 135

Other funds holding COST

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
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return
Ninety One (UK)
Ninety One (UK) London, United Kingdom $44.7B AUM 17.24% 1-Year Est. Return
SP
Sarasin & Partners London, United Kingdom $8.54B AUM 9.6% 1-Year Est. Return
CAM
Congress Asset Management Boston, Massachusetts $16.3B AUM 42.69% 1-Year Est. Return
CRM
Cardano Risk Management Rotterdam, Netherlands $13B AUM 49.44% 1-Year Est. Return
SC
Steginsky Capital Port Washington, New York $666M AUM 34.57% 1-Year Est. Return
OIAM
OFI Invest Asset Management Paris, France $10B AUM 48.47% 1-Year Est. Return
CNB
Czech National Bank Prague, Czech Republic $18.3B AUM 43.04% 1-Year Est. Return

Assenagon Asset Management's COST Position: Q2 2026 in Review

Assenagon Asset Management increased its Costco (COST) stake by 32% in Q2 2026, buying an estimated $160M and bringing the position to 670,304 shares worth $627M. The position accounts for 0.78% of the portfolio, ranked #18.

Assenagon Asset Management first reported a position in COST in Q4 2016 and has held it in 39 quarters since. The position peaked at $1.14B in Q1 2025. 1,016 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Assenagon Asset Management held 670,304 shares of Costco worth $627M as of Q2 2026.
  • Assenagon Asset Management bought 160,619 Costco shares in Q2 2026, an estimated $160M.
  • Costco made up 0.78% of Assenagon Asset Management's portfolio in Q2 2026, its #18 holding.
  • Assenagon Asset Management first reported a position in Costco in Q4 2016 and has held it in 39 quarters since.
  • Assenagon Asset Management's Costco position peaked at $1.14B in Q1 2025.
  • 1,016 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Assenagon Asset Management's 13F filing for Q2 2026, filed 8 Jul 2026.