Howard Hughes Medical Institute’s Costco COST Stock Holding History

Howard Hughes Medical Institute’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	–	Sell	-95	Closed	-$81.9K	–	132
2025 Q4	$81.9K	Hold	95	–	–	0.05%	22
2025 Q3	$87.9K	Hold	95	–	–	0.05%	23
2025 Q2	$94K	Buy	+95	New	+$94.4K	0.04%	18
2020 Q1	–	Sell	-20,000	Closed	-$5.88M	–	23
2019 Q4	$5.88M	Hold	20,000	–	–	2.11%	16
2019 Q3	$5.76M	Buy	20,000 +10,000	+100%	+$2.81M	1.61%	17
2019 Q2	$2.64M	Hold	10,000	–	–	1.26%	22
2019 Q1	$2.42M	Hold	10,000	–	–	0.56%	25
2018 Q4	$2.04M	Hold	10,000	–	–	0.65%	27
2018 Q3	$2.35M	Hold	10,000	–	–	0.69%	25
2018 Q2	$2.09M	Hold	10,000	–	–	0.53%	26
2018 Q1	$1.88M	Hold	10,000	–	–	0.49%	26
2017 Q4	$1.86M	Sell	10,000 -15,000	-60%	-$2.59M	0.48%	27
2017 Q3	$4.11M	Buy	+25,000	New	+$3.93M	1.02%	23

Other funds holding COST

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 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

Howard Hughes Medical Institute's COST Position: Q1 2026 in Review

Howard Hughes Medical Institute sold out of Costco (COST) in Q1 2026, closing a stake of 95 shares — an estimated $81.9K sold.

Howard Hughes Medical Institute first reported a position in COST in Q3 2017 and held it in 13 quarters. The position peaked at $5.88M in Q4 2019. 4,242 funds tracked by Wall St. Rank hold COST as of Q1 2026.

Howard Hughes Medical Institute reported no remaining Costco position as of Q1 2026 after selling out during the quarter.
Howard Hughes Medical Institute sold 95 Costco shares in Q1 2026, an estimated $81.9K.
Howard Hughes Medical Institute first reported a position in Costco in Q3 2017 and held it in 13 quarters.
Howard Hughes Medical Institute's Costco position peaked at $5.88M in Q4 2019.
4,242 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Howard Hughes Medical Institute's 13F filing for Q1 2026, filed 15 May 2026.