Two Sigma Investments
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Two Sigma Investments’s Costco COST Stock Holding History

Two Sigma Investments’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 		$7.97M Buy
+8,000
New +$7.8M 0.01% 1584
2025
Q4 		– Sell
-4,000
Closed -$3.7M – 4114
2025
Q3 		$3.7M Buy
+4,000
New +$3.83M 0.01% 1701
2022
Q1 		– Sell
-63,000
Closed -$35.8M – 2976
2021
Q4 		$35.8M Buy
63,000
+6,200
+11% +$3.18M 0.08% 309
2021
Q3 		$25.5M Sell
56,800
-29,300
-34% -$12.9M 0.06% 376
2021
Q2 		$34.1M Buy
86,100
+68,500
+389% +$25.9M 0.08% 301
2021
Q1 		$6.2M Sell
17,600
-31,400
-64% -$10.9M 0.02% 933
2020
Q4 		$18.5M Buy
49,000
+35,900
+274% +$13.4M 0.05% 400
2020
Q3 		$4.65M Sell
13,100
-36,600
-74% -$12.3M 0.02% 827
2020
Q2 		$15.1M Buy
49,700
+29,600
+147% +$9.01M 0.07% 281
2020
Q1 		$5.73M Sell
20,100
-18,500
-48% -$5.61M 0.05% 445
2019
Q4 		$11.3M Buy
38,600
+24,000
+164% +$7.13M 0.03% 567
2019
Q3 		$4.21M Buy
14,600
+5,000
+52% +$1.41M 0.01% 958
2019
Q2 		$2.54M Sell
9,600
-5,400
-36% -$1.35M 0.01% 1283
2019
Q1 		$3.63M Buy
+15,000
New +$3.28M 0.01% 1130
2018
Q3 		– Sell
-16,700
Closed -$3.49M – 3233
2018
Q2 		$3.49M Sell
16,700
-11,300
-40% -$2.23M 0.01% 1234
2018
Q1 		$5.28M Sell
28,000
-51,000
-65% -$9.62M 0.02% 921
2017
Q4 		$14.7M Sell
79,000
-55,800
-41% -$9.63M 0.05% 457
2017
Q3 		$22.1M Buy
+134,800
New +$21.2M 0.08% 305
2017
Q2 		– Sell
-5,000
Closed -$838K – 3008
2017
Q1 		$838K Sell
5,000
-3,000
-38% -$503K ﹤0.01% 2030
2016
Q4 		$1.28M Sell
8,000
-5,000
-38% -$763K ﹤0.01% 1840
2016
Q3 		$1.98M Sell
13,000
-2,000
-13% -$323K 0.01% 1461
2016
Q2 		$2.36M Sell
15,000
-53,000
-78% -$8.03M 0.01% 1156
2016
Q1 		$10.7M Buy
+68,000
New +$10.3M 0.05% 420
2015
Q4 		– Sell
-4,000
Closed -$578K – 2705
2015
Q3 		$578K Buy
+4,000
New +$571K ﹤0.01% 1476

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

Two Sigma Investments's COST Position: Q1 2026 in Review

Two Sigma Investments increased its Costco (COST) stake by 238% in Q1 2026, buying an estimated $600M and bringing the position to 874,793 shares worth $872M. The position accounts for 0.7% of the portfolio, ranked #8.

Two Sigma Investments first reported a position in COST in Q2 2013 and has held it in 37 quarters since. 4,236 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Two Sigma Investments held 874,793 shares of Costco worth $872M as of Q1 2026.
  • Two Sigma Investments bought 615,669 Costco shares in Q1 2026, an estimated $600M.
  • Costco made up 0.7% of Two Sigma Investments's portfolio in Q1 2026, its #8 holding.
  • Two Sigma Investments first reported a position in Costco in Q2 2013 and has held it in 37 quarters since.
  • 4,236 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.