One River Asset Management’s Amgen AMGN Stock Holding History

One River Asset Management’s Portfolio AMGN Stock Details AMGN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$633K	Buy	1,800 +1,300	+260%	+$463K	0.23%	106
2025 Q4	$164K	Buy	+500	New	+$159K	0.02%	196
2025 Q1	–	Sell	-1,100	Closed	-$287K	–	94
2024 Q4	$287K	Sell	1,100 -100	-8%	-$29.7K	0.02%	155
2024 Q3	$387K	Sell	1,200 -300	-20%	-$98.1K	0.05%	155
2024 Q2	$469K	Sell	1,500 -24,400	-94%	-$7.17M	0.03%	143
2024 Q1	$7.36M	Sell	25,900 -36,700	-59%	-$10.7M	0.18%	83
2023 Q4	$18M	Buy	62,600 +12,100	+24%	+$3.3M	0.41%	61
2023 Q3	$13.6M	Buy	+50,500	New	+$12.6M	0.42%	64

Other funds holding AMGN

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

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

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

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

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

One River Asset Management's AMGN Position: Q1 2026 in Review

One River Asset Management increased its Amgen (AMGN) stake by 689% in Q1 2026, buying an estimated $66.3K and bringing the position to 213 shares worth $74.9K. The position accounts for 0.03% of the portfolio, ranked #232.

One River Asset Management first reported a position in AMGN in Q2 2024 and has held it in 7 quarters since. The position peaked at $2.81M in Q2 2025. 3,127 funds tracked by Wall St. Rank hold AMGN as of Q1 2026.

One River Asset Management held 213 shares of Amgen worth $74.9K as of Q1 2026.
One River Asset Management bought 186 Amgen shares in Q1 2026, an estimated $66.3K.
Amgen made up 0.03% of One River Asset Management's portfolio in Q1 2026, its #232 holding.
One River Asset Management first reported a position in Amgen in Q2 2024 and has held it in 7 quarters since.
One River Asset Management's Amgen position peaked at $2.81M in Q2 2025.
3,127 funds tracked by Wall St. Rank held Amgen as of Q1 2026.

Based on One River Asset Management's 13F filing for Q1 2026, filed 27 Apr 2026.