Commonwealth Financial Services
COST icon

Commonwealth Financial Services’s Costco COST Stock Holding History

Commonwealth Financial Services’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
Q3 		$2.69M Sell
2,949
-2,315
-44% -$2.16M 0.48% 39
2026
Q2 		$3.03M Buy
5,264
+2,210
+72% +$2.2M 0.41% 50
2026
Q1 		$3.04M Buy
3,054
+60
+2% +$58.5K 0.48% 41
2025
Q4 		$2.58M Sell
2,994
-5
-0.2% -$4.53K 0.43% 45
2025
Q3 		$2.78M Sell
2,999
-21
-0.7% -$20.1K 0.48% 41
2025
Q2 		$2.99M Sell
3,020
-11
-0.4% -$10.9K 0.58% 40
2025
Q1 		$2.87M Sell
3,031
-3
-0.1% -$2.92K 0.59% 42
2024
Q4 		$2.78M Buy
3,034
+96
+3% +$89.1K 0.54% 41
2024
Q3 		$2.58M Buy
2,938
+11
+0.4% +$9.5K 0.51% 42
2024
Q2 		$2.58M Buy
2,927
+89
+3% +$69.4K 0.53% 39
2024
Q1 		$1.87M Hold
2,838
– – 0.44% 41
2023
Q4 		$1.87M Buy
2,838
+23
+0.8% +$13.6K 0.44% 41
2023
Q3 		$1.59M Buy
+2,815
New +$1.55M 0.47% 46
2016
Q4 		– Sell
-79
Closed -$12K – 253
2016
Q3 		$12K Sell
79
-109
-58% -$17.6K 0.01% 154
2016
Q2 		$30K Sell
188
-284
-60% -$43K 0.04% 109
2016
Q1 		$74K Buy
472
+393
+497% +$59.6K 0.11% 69
2015
Q4 		$13K Buy
+79
New +$12.5K 0.04% 138

Other funds holding COST

Emerald Advisors
Emerald Advisors Bellevue, Washington $781M AUM 4.78% 1-Year Est. Return
Parnassus Investments
Parnassus Investments San Francisco, California $33.8B AUM 31.08% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $103B AUM 40.17% 1-Year Est. Return
New York State Teachers Retirement System (NYSTRS)
New York State Teachers Retirement System (NYSTRS) Albany, New York $52.9B AUM 36.03% 1-Year Est. Return
TD Waterhouse Canada
TD Waterhouse Canada Toronto, Ontario, Canada $38.4B AUM 30.28% 1-Year Est. Return
Cardano Risk Management
Cardano Risk Management Rotterdam, Netherlands $18.2B AUM 38.97% 1-Year Est. Return
Ninety One (UK)
Ninety One (UK) London, United Kingdom $45.5B AUM 15.2% 1-Year Est. Return
Sarasin & Partners
Sarasin & Partners London, United Kingdom $8.93B AUM 11.81% 1-Year Est. Return
Congress Asset Management
Congress Asset Management Boston, Massachusetts $15.4B AUM 30.39% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $83.2B AUM 35.34% 1-Year Est. Return

Commonwealth Financial Services's COST Position: Q3 2026 in Review

Commonwealth Financial Services reduced its Costco (COST) stake by 44% in Q3 2026, selling an estimated $2.16M and leaving 2,949 shares worth $2.69M. The position accounts for 0.48% of the portfolio, ranked #39.

Commonwealth Financial Services first reported a position in COST in Q4 2015 and has held it in 17 quarters since. The position peaked at $3.04M in Q1 2026. 1,271 funds tracked by Wall St. Rank hold COST as of Q3 2026.

  • Commonwealth Financial Services held 2,949 shares of Costco worth $2.69M as of Q3 2026.
  • Commonwealth Financial Services sold 2,315 Costco shares in Q3 2026, an estimated $2.16M.
  • Costco made up 0.48% of Commonwealth Financial Services's portfolio in Q3 2026, its #39 holding.
  • Commonwealth Financial Services first reported a position in Costco in Q4 2015 and has held it in 17 quarters since.
  • Commonwealth Financial Services's Costco position peaked at $3.04M in Q1 2026.
  • 1,271 funds tracked by Wall St. Rank held Costco as of Q3 2026.

Based on Commonwealth Financial Services's 13F filing for Q3 2026, filed 20 Oct 2026.