AMF Tjänstepension’s Costco COST Stock Holding History

AMF Tjänstepension’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	$104M	Buy	104,753 +9,832	+10%	+$9.58M	0.69%	36
2025 Q4	$81.9M	Sell	94,921 -53	-0.1%	-$48K	0.51%	43
2025 Q3	$87.9M	Hold	94,974	–	–	0.56%	37
2025 Q2	$94M	Buy	94,974 +61,337	+182%	+$61M	0.63%	38
2025 Q1	$31.8M	Buy	33,637 +1,335	+4%	+$1.3M	0.23%	63
2024 Q4	$29.6M	Sell	32,302 -16,075	-33%	-$14.9M	0.21%	63
2024 Q3	$42.9M	Buy	+48,377	New	+$42M	0.31%	47
2024 Q1	–	Sell	-20,440	Closed	-$13.5M	–	211
2023 Q4	$13.5M	Buy	20,440 +3,300	+19%	+$1.96M	0.12%	135
2023 Q3	$9.68M	Buy	17,140 +190	+1%	+$105K	0.09%	143
2023 Q2	$9.13M	Buy	+16,950	New	+$8.58M	0.08%	150
2016 Q1	–	Sell	-26,060	Closed	-$4.21M	–	178
2015 Q4	$4.21M	Sell	26,060 -31,000	-54%	-$4.9M	0.06%	159
2015 Q3	$8.25M	Buy	57,060 +5,800	+11%	+$828K	0.12%	145
2015 Q2	$6.92M	Buy	51,260 +3,300	+7%	+$474K	0.1%	156
2015 Q1	$7.27M	Buy	47,960 +2,400	+5%	+$352K	0.09%	156
2014 Q4	$6.46M	Buy	+45,560	New	+$6.19M	0.08%	157

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 $137B AUM 18.02% 1-Year Est. Return

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

AMF Tjänstepension's COST Position: Q1 2026 in Review

AMF Tjänstepension increased its Costco (COST) stake by 10% in Q1 2026, buying an estimated $9.58M and bringing the position to 104,753 shares worth $104M. The position accounts for 0.69% of the portfolio, ranked #36.

AMF Tjänstepension first reported a position in COST in Q4 2014 and has held it in 15 quarters since. 4,238 funds tracked by Wall St. Rank hold COST as of Q1 2026.

AMF Tjänstepension held 104,753 shares of Costco worth $104M as of Q1 2026.
AMF Tjänstepension bought 9,832 Costco shares in Q1 2026, an estimated $9.58M.
Costco made up 0.69% of AMF Tjänstepension's portfolio in Q1 2026, its #36 holding.
AMF Tjänstepension first reported a position in Costco in Q4 2014 and has held it in 15 quarters since.
4,238 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on AMF Tjänstepension's 13F filing for Q1 2026, filed 4 May 2026.