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Lion Street Advisors’s Costco COST Stock Holding History

Lion Street Advisors’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
2025
Q3 		$5.19M Buy
10,558
+2,316
+28% +$2.22M 1.8% 6
2025
Q2 		$8.16M Sell
8,242
-280
-3% -$278K 2.48% 4
2025
Q1 		$8.06M Buy
8,522
+427
+5% +$416K 2.56% 2
2024
Q4 		$7.42M Buy
8,095
+1,893
+31% +$1.76M 2.36% 3
2024
Q3 		$5.5M Sell
6,202
-144
-2% -$125K 1.91% 5
2024
Q2 		$5.39M Sell
6,346
-376
-6% -$293K 2% 5
2024
Q1 		$4.44M Hold
6,722
– – 1.81% 5
2023
Q4 		$4.44M Sell
6,722
-4,588
-41% -$2.72M 1.82% 5
2023
Q3 		$6.39M Buy
11,310
+733
+7% +$405K 2.09% 3
2023
Q2 		$5.2M Buy
10,577
+93
+0.9% +$47.1K 1.75% 6
2023
Q1 		$5.21M Buy
10,484
+930
+10% +$456K 1.61% 3
2022
Q4 		$4.7M Sell
9,554
-520
-5% -$254K 2.46% 3
2022
Q3 		$4.75M Buy
10,074
+520
+5% +$270K 2.37% 3
2022
Q2 		$4.7M Sell
9,554
-549
-5% -$279K 2.46% 3
2022
Q1 		$5.82M Buy
10,103
+538
+6% +$282K 2.98% 3
2021
Q4 		$5.43M Buy
9,565
+11
+0.1% +$5.63K 2.66% 3
2021
Q3 		$4.29M Buy
+9,554
New +$4.2M 2.32% 3
2020
Q2 		– Sell
-24
Closed -$7K – 107
2020
Q1 		$7K Buy
+24
New +$7.28K 0.04% 196

Other funds holding COST

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
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
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return

Lion Street Advisors's COST Position: Q3 2025 in Review

Lion Street Advisors increased its Costco (COST) stake by 28% in Q3 2025, buying an estimated $2.22M and bringing the position to 10,558 shares worth $5.19M. The position accounts for 1.8% of the portfolio, ranked #6.

Lion Street Advisors first reported a position in COST in Q1 2020 and has held it in 18 quarters since. The position peaked at $8.16M in Q2 2025. 3,932 funds tracked by Wall St. Rank hold COST as of Q3 2025.

  • Lion Street Advisors held 10,558 shares of Costco worth $5.19M as of Q3 2025.
  • Lion Street Advisors bought 2,316 Costco shares in Q3 2025, an estimated $2.22M.
  • Costco made up 1.8% of Lion Street Advisors's portfolio in Q3 2025, its #6 holding.
  • Lion Street Advisors first reported a position in Costco in Q1 2020 and has held it in 18 quarters since.
  • Lion Street Advisors's Costco position peaked at $8.16M in Q2 2025.
  • 3,932 funds tracked by Wall St. Rank held Costco as of Q3 2025.

Based on Lion Street Advisors's 13F filing for Q3 2025, filed 10 Nov 2025.