Welch & Forbes’s Costco COST Stock Holding History

Welch & Forbes’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	$152M	Buy	162,277 +911	+0.6%	+$908K	1.84%	12
2026 Q1	$161M	Sell	161,366 -979	-0.6%	-$954K	2.08%	10
2025 Q4	$140M	Buy	162,345 +352	+0.2%	+$319K	1.7%	13
2025 Q3	$150M	Sell	161,993 -1,065	-0.7%	-$1.02M	1.81%	11
2025 Q2	$161M	Sell	163,058 -2,553	-2%	-$2.54M	2.02%	10
2025 Q1	$157M	Sell	165,611 -2,149	-1%	-$2.1M	2.05%	11
2024 Q4	$154M	Sell	167,760 -778	-0.5%	-$722K	1.98%	12
2024 Q3	$149M	Sell	168,538 -1,273	-0.7%	-$1.1M	1.9%	11
2024 Q2	$150M	Sell	169,811 -2,575	-1%	-$2.01M	2%	9
2024 Q1	$126M	Buy	172,386 +1,072	+0.6%	+$765K	1.73%	14
2023 Q4	$113M	Buy	171,314 +1,157	+0.7%	+$686K	1.71%	15
2023 Q3	$96.1M	Sell	170,157 -2,654	-2%	-$1.46M	1.59%	16
2023 Q2	$93M	Buy	172,811 +214	+0.1%	+$108K	1.47%	18
2023 Q1	$85.8M	Buy	172,597 +1,091	+0.6%	+$535K	1.45%	20
2022 Q4	$78.3M	Buy	171,506 +740	+0.4%	+$362K	1.4%	21
2022 Q3	$80.6M	Buy	170,766 +93	+0.1%	+$48.4K	1.58%	15
2022 Q2	$81.8M	Buy	170,673 +2,806	+2%	+$1.42M	1.5%	18
2022 Q1	$96.7M	Buy	167,867 +6,417	+4%	+$3.37M	1.52%	18
2021 Q4	$91.7M	Sell	161,450 -217	-0.1%	-$111K	1.37%	22
2021 Q3	$72.6M	Buy	161,667 +502	+0.3%	+$221K	1.21%	25
2021 Q2	$63.8M	Buy	161,165 +4,081	+3%	+$1.54M	1.08%	28
2021 Q1	$55.4M	Buy	157,084 +39,242	+33%	+$13.7M	1.02%	29
2020 Q4	$44.4M	Buy	117,842 +1,236	+1%	+$462K	0.87%	35
2020 Q3	$41.4M	Sell	116,606 -143	-0.1%	-$48.1K	0.89%	32
2020 Q2	$35.4M	Buy	116,749 +4,821	+4%	+$1.47M	0.83%	35
2020 Q1	$31.9M	Buy	111,928 +191	+0.2%	+$58K	0.89%	35
2019 Q4	$32.8M	Sell	111,737 -627	-0.6%	-$186K	0.73%	45
2019 Q3	$32.4M	Buy	112,364 +297	+0.3%	+$83.6K	0.77%	40
2019 Q2	$29.6M	Sell	112,067 -3,767	-3%	-$939K	0.72%	46
2019 Q1	$28M	Sell	115,834 -3,043	-3%	-$666K	0.7%	46
2018 Q4	$24.2M	Sell	118,877 -419	-0.4%	-$93.6K	0.68%	48
2018 Q3	$28M	Sell	119,296 -356	-0.3%	-$80.2K	0.67%	50
2018 Q2	$25M	Buy	119,652 +936	+0.8%	+$185K	0.65%	53
2018 Q1	$22.4M	Buy	118,716 +2,589	+2%	+$488K	0.58%	58
2017 Q4	$21.6M	Sell	116,127 -1,816	-2%	-$314K	0.58%	60
2017 Q3	$19.4M	Sell	117,943 -1,204	-1%	-$189K	0.51%	70
2017 Q2	$19.1M	Buy	119,147 +468	+0.4%	+$80.6K	0.53%	70
2017 Q1	$19.9M	Sell	118,679 -1,404	-1%	-$235K	0.57%	66
2016 Q4	$19.2M	Buy	120,083 +1,969	+2%	+$301K	0.58%	62
2016 Q3	$18M	Sell	118,114 -1,038	-0.9%	-$168K	0.62%	55
2016 Q2	$18.7M	Buy	119,152 +2,414	+2%	+$366K	0.57%	61
2016 Q1	$18.4M	Buy	116,738 +4,530	+4%	+$687K	0.57%	58
2015 Q4	$18.1M	Buy	112,208 +1,916	+2%	+$303K	0.58%	61
2015 Q3	$15.9M	Buy	110,292 +979	+0.9%	+$140K	0.53%	64
2015 Q2	$14.8M	Sell	109,313 -945	-0.9%	-$136K	0.46%	70
2015 Q1	$16.7M	Sell	110,258 -5,320	-5%	-$781K	0.5%	66
2014 Q4	$16.4M	Buy	115,578 +274	+0.2%	+$37.2K	0.48%	71
2014 Q3	$14.4M	Buy	115,304 +175	+0.2%	+$21.1K	0.44%	74
2014 Q2	$13.3M	Buy	115,129 +1,214	+1%	+$139K	0.42%	73
2014 Q1	$12.7M	Sell	113,915 -1,637	-1%	-$187K	0.4%	76
2013 Q4	$13.8M	Sell	115,552 -9	-0%	-$1.08K	0.44%	75
2013 Q3	$13.3M	Sell	115,561 -85	-0.1%	-$9.81K	0.45%	74
2013 Q2	$12.8M	Buy	+115,646	New	+$12.6M	0.46%	73

Other funds holding COST

Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return

Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return

Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return

Parnassus Investments San Francisco, California $37.4B AUM 35.42% 1-Year Est. Return

Emerald Advisors Bellevue, Washington $796M AUM 2.51% 1-Year Est. Return

New York State Common Retirement Fund Albany, New York $79.3B AUM 43.63% 1-Year Est. Return

PTC

Provident Trust Company Waukesha, Wisconsin $4.77B AUM 29.31% 1-Year Est. Return

Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return

Commonwealth Equity Services Waltham, Massachusetts $79.5B AUM 27.1% 1-Year Est. Return

New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 1-Year Est. Return

Welch & Forbes's COST Position: Q2 2026 in Review

Welch & Forbes increased its Costco (COST) stake by 0.56% in Q2 2026, buying an estimated $908K and bringing the position to 162,277 shares worth $152M. The position accounts for 1.84% of the portfolio, ranked #12.

Welch & Forbes first reported a position in COST in Q2 2013 and has held it in 53 quarters since. The position peaked at $161M in Q2 2025. 1,981 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Welch & Forbes held 162,277 shares of Costco worth $152M as of Q2 2026.
Welch & Forbes bought 911 Costco shares in Q2 2026, an estimated $908K.
Costco made up 1.84% of Welch & Forbes's portfolio in Q2 2026, its #12 holding.
Welch & Forbes first reported a position in Costco in Q2 2013 and has held it in 53 quarters since.
Welch & Forbes's Costco position peaked at $161M in Q2 2025.
1,981 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Welch & Forbes's 13F filing for Q2 2026, filed 30 Jul 2026.