Essex Investment Management’s Costco COST Stock Holding History

Essex Investment Management’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	$179K	Hold	180	–	–	0.03%	206
2025 Q4	$155K	Hold	180	–	–	0.02%	218
2025 Q3	$167K	Hold	180	–	–	0.03%	209
2025 Q2	$178K	Hold	180	–	–	0.03%	199
2025 Q1	$170K	Hold	180	–	–	0.04%	190
2024 Q4	$165K	Hold	180	–	–	0.03%	202
2024 Q3	$160K	Hold	180	–	–	0.03%	205
2024 Q2	$153K	Hold	180	–	–	0.03%	203
2024 Q1	$132K	Hold	180	–	–	0.03%	217
2023 Q4	$119K	Hold	180	–	–	0.02%	236
2023 Q3	$102K	Hold	180	–	–	0.02%	295
2023 Q2	$96.9K	Hold	180	–	–	0.01%	307
2023 Q1	$89.4K	Hold	180	–	–	0.01%	311
2022 Q4	$82K	Hold	180	–	–	0.01%	306
2022 Q3	$85K	Hold	180	–	–	0.01%	305
2022 Q2	$86K	Hold	180	–	–	0.01%	316
2022 Q1	$104K	Hold	180	–	–	0.01%	312
2021 Q4	$102K	Hold	180	–	–	0.01%	324
2021 Q3	$81K	Hold	180	–	–	0.01%	345
2021 Q2	$71K	Hold	180	–	–	0.01%	347
2021 Q1	$63K	Hold	180	–	–	0.01%	367
2020 Q4	$68K	Hold	180	–	–	0.01%	387
2020 Q3	$64K	Hold	180	–	–	0.01%	382
2020 Q2	$55K	Sell	180 -1,691	-90%	-$514K	0.01%	345
2020 Q1	$533K	Buy	1,871 +1,691	+939%	+$513K	0.11%	213
2019 Q4	$53K	Hold	180	–	–	0.01%	405
2019 Q3	$52K	Hold	180	–	–	0.01%	396
2019 Q2	$48K	Hold	180	–	–	0.01%	404
2019 Q1	$44K	Hold	180	–	–	0.01%	400
2018 Q4	$37K	Buy	+180	New	+$40.2K	0.01%	407

Other funds holding COST

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

DAM

Diamant Asset Management Ridgefield, Connecticut $147M AUM 25.76% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Essex Investment Management's COST Position: Q1 2026 in Review

Essex Investment Management held its Costco (COST) position steady in Q1 2026 at 180 shares worth $179K. The position accounts for 0.03% of the portfolio, ranked #206.

Essex Investment Management first reported a position in COST in Q4 2018 and has held it in 30 quarters since. The position peaked at $533K in Q1 2020. 4,248 funds tracked by Wall St. Rank hold COST as of Q1 2026.

Essex Investment Management held 180 shares of Costco worth $179K as of Q1 2026.
Essex Investment Management left its Costco share count unchanged in Q1 2026.
Costco made up 0.03% of Essex Investment Management's portfolio in Q1 2026, its #206 holding.
Essex Investment Management first reported a position in Costco in Q4 2018 and has held it in 30 quarters since.
Essex Investment Management's Costco position peaked at $533K in Q1 2020.
4,248 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Essex Investment Management's 13F filing for Q1 2026, filed 11 May 2026.