Twin Tree Management
AMGN icon

Twin Tree Management’s Amgen AMGN Stock Holding History

Twin Tree 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 		$6.05M Sell
17,200
-288,500
-94% -$103M 0.13% 181
2025
Q4 		$100M Sell
305,700
-149,800
-33% -$47.5M 0.87% 6
2025
Q3 		$129M Buy
455,500
+376,400
+476% +$109M 0.53% 17
2025
Q2 		$22.1M Sell
79,100
-626,300
-89% -$177M 0.04% 453
2025
Q1 		$220M Buy
705,400
+399,200
+130% +$118M 0.41% 24
2024
Q4 		$79.8M Buy
306,200
+177,300
+138% +$52.6M 0.14% 122
2024
Q3 		$41.5M Sell
128,900
-331,300
-72% -$108M 0.08% 203
2024
Q2 		$144M Buy
460,200
+261,000
+131% +$76.7M 0.32% 50
2024
Q1 		$56.6M Buy
199,200
+167,700
+532% +$49.1M 0.13% 154
2023
Q4 		$9.07M Sell
31,500
-205,600
-87% -$56M 0.02% 716
2023
Q3 		$63.7M Buy
237,100
+65,600
+38% +$16.4M 0.14% 135
2023
Q2 		$38.1M Buy
171,500
+121,800
+245% +$28.3M 0.06% 259
2023
Q1 		$12M Buy
+49,700
New +$12.2M 0.02% 529
2022
Q4 		– Sell
-66,600
Closed -$15M – 1265
2022
Q3 		$15M Sell
66,600
-125,300
-65% -$30.4M 0.03% 443
2022
Q2 		$46.7M Sell
191,900
-80,800
-30% -$19.8M 0.07% 199
2022
Q1 		$65.9M Buy
272,700
+236,400
+651% +$54.3M 0.11% 139
2021
Q4 		$8.17M Buy
36,300
+7,600
+26% +$1.6M 0.02% 682
2021
Q3 		$6.1M Buy
+28,700
New +$6.61M 0.01% 712
2021
Q2 		– Sell
-160,000
Closed -$39.8M – 1308
2021
Q1 		$39.8M Sell
160,000
-125,700
-44% -$30M 0.15% 150
2020
Q4 		$65.7M Buy
285,700
+131,300
+85% +$30.3M 0.26% 86
2020
Q3 		$39.2M Buy
154,400
+105,800
+218% +$26.2M 0.16% 136
2020
Q2 		$11.5M Sell
48,600
-40,900
-46% -$9.33M 0.05% 422
2020
Q1 		$18.1M Sell
89,500
-68,000
-43% -$14.9M 0.09% 205
2019
Q4 		$38M Sell
157,500
-88,900
-36% -$19.6M 0.13% 130
2019
Q3 		$47.7M Buy
+246,400
New +$47.3M 0.19% 82
2018
Q3 		– Sell
-41,800
Closed -$7.72M – 1037
2018
Q2 		$7.72M Buy
+41,800
New +$7.39M 0.05% 321
2017
Q4 		– Sell
-14,300
Closed -$2.67M – 989
2017
Q3 		$2.67M Sell
14,300
-37,900
-73% -$6.72M 0.02% 515
2017
Q2 		$8.99M Sell
52,200
-24,100
-32% -$3.92M 0.07% 257
2017
Q1 		$12.5M Buy
76,300
+11,800
+18% +$1.96M 0.11% 183
2016
Q4 		$9.43M Buy
64,500
+34,200
+113% +$5.15M 0.09% 260
2016
Q3 		$5.05M Sell
30,300
-82,000
-73% -$13.9M 0.06% 279
2016
Q2 		$17.1M Buy
112,300
+52,800
+89% +$8.21M 0.27% 73
2016
Q1 		$8.92M Buy
59,500
+32,200
+118% +$4.78M 0.17% 126
2015
Q4 		$4.43M Sell
27,300
-45,400
-62% -$7.14M 0.09% 221
2015
Q3 		$10.1M Buy
72,700
+53,100
+271% +$8.37M 0.26% 54
2015
Q2 		$3.01M Sell
19,600
-16,400
-46% -$2.63M 0.07% 278
2015
Q1 		$5.75M Buy
36,000
+19,800
+122% +$3.12M 0.15% 152
2014
Q4 		$2.58M Sell
16,200
-14,200
-47% -$2.21M 0.07% 300
2014
Q3 		$4.27M Buy
30,400
+2,700
+10% +$353K 0.11% 203
2014
Q2 		$3.28M Sell
27,700
-8,100
-23% -$938K 0.07% 285
2014
Q1 		$4.42M Sell
35,800
-30,200
-46% -$3.66M 0.09% 260
2013
Q4 		$7.53M Buy
66,000
+52,800
+400% +$6.01M 0.18% 94
2013
Q3 		$1.48M Sell
13,200
-7,500
-36% -$813K 0.05% 389
2013
Q2 		$2.04M Buy
+20,700
New +$2.15M 0.08% 296

Other funds holding AMGN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Geode Capital Management
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
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

Twin Tree Management's AMGN Position: Q4 2025 in Review

Twin Tree Management sold out of Amgen (AMGN) in Q4 2025, closing a stake of 5,150 shares — an estimated $1.63M sold.

Twin Tree Management first reported a position in AMGN in Q2 2013 and held it in 25 quarters. The position peaked at $79.1M in Q4 2023. 3,084 funds tracked by Wall St. Rank hold AMGN as of Q4 2025.

  • Twin Tree Management reported no remaining Amgen position as of Q4 2025 after selling out during the quarter.
  • Twin Tree Management sold 5,150 Amgen shares in Q4 2025, an estimated $1.63M.
  • Twin Tree Management first reported a position in Amgen in Q2 2013 and held it in 25 quarters.
  • Twin Tree Management's Amgen position peaked at $79.1M in Q4 2023.
  • 3,084 funds tracked by Wall St. Rank held Amgen as of Q4 2025.

Based on Twin Tree Management's 13F filing for Q4 2025, filed 11 Feb 2026.