XTX Topco’s Costco COST Stock Holding History

XTX Topco’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	$2.72M	Buy	2,910 +2,385	+454%	+$2.38M	0.04%	821
2026 Q1	$523K	Sell	525 -971	-65%	-$946K	0.01%	2008
2025 Q4	$1.29M	Buy	1,496 +676	+82%	+$613K	0.03%	847
2025 Q3	$759K	Buy	+820	New	+$786K	0.04%	760
2025 Q1	–	Sell	-245	Closed	-$224K	–	2510
2024 Q4	$224K	Sell	245 -821	-77%	-$762K	0.02%	1468
2024 Q3	$945K	Buy	+1,066	New	+$925K	0.07%	448
2024 Q1	–	Sell	-818	Closed	-$540K	–	1908
2023 Q4	$540K	Sell	818 -1,640	-67%	-$972K	0.12%	208
2023 Q3	$1.39M	Buy	2,458 +1,791	+269%	+$989K	0.24%	37
2023 Q2	$359K	Buy	+667	New	+$337K	0.06%	587
2023 Q1	–	Sell	-4,017	Closed	-$1.83M	–	1332
2022 Q4	$1.83M	Buy	4,017 +697	+21%	+$341K	0.39%	11
2022 Q3	$1.57M	Buy	+3,320	New	+$1.73M	0.39%	12
2022 Q2	–	Sell	-1,566	Closed	-$902K	–	891
2022 Q1	$902K	Buy	+1,566	New	+$822K	0.4%	40
2021 Q3	–	Sell	-1,199	Closed	-$474K	–	744
2021 Q2	$474K	Sell	1,199 -906	-43%	-$343K	0.16%	189
2021 Q1	$742K	Buy	+2,105	New	+$733K	0.36%	27

Other funds holding COST

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

XTX Topco's COST Position: Q2 2026 in Review

XTX Topco increased its Costco (COST) stake by 454% in Q2 2026, buying an estimated $2.38M and bringing the position to 2,910 shares worth $2.72M. The position accounts for 0.04% of the portfolio, ranked #821.

XTX Topco first reported a position in COST in Q1 2021 and has held it in 14 quarters since. 4,252 funds tracked by Wall St. Rank hold COST as of Q2 2026.

XTX Topco held 2,910 shares of Costco worth $2.72M as of Q2 2026.
XTX Topco bought 2,385 Costco shares in Q2 2026, an estimated $2.38M.
Costco made up 0.04% of XTX Topco's portfolio in Q2 2026, its #821 holding.
XTX Topco first reported a position in Costco in Q1 2021 and has held it in 14 quarters since.
4,252 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.