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Thompson Siegel & Walmsley’s Amgen AMGN Stock Holding History

Thompson Siegel & Walmsley’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 		$12.4M Buy
35,250
+25
+0.1% +$8.91K 0.22% 110
2025
Q4 		$11.5M Buy
35,225
+25
+0.1% +$7.93K 0.19% 117
2025
Q3 		$9.93M Sell
35,200
-12
-0% -$3.48K 0.16% 136
2025
Q2 		$9.83M Buy
35,212
+8
+0% +$2.27K 0.16% 133
2025
Q1 		$11M Sell
35,204
-6,357
-15% -$1.88M 0.18% 122
2024
Q4 		$10.8M Buy
41,561
+13
+0% +$3.86K 0.17% 128
2024
Q3 		$13.4M Buy
41,548
+2,871
+7% +$939K 0.2% 113
2024
Q2 		$12.1M Buy
38,677
+12,784
+49% +$3.76M 0.19% 114
2024
Q1 		$7.36M Hold
25,893
– – 0.11% 170
2023
Q4 		$7.46M Buy
25,893
+14,200
+121% +$3.87M 0.12% 159
2023
Q3 		$3.14M Buy
11,693
+9,670
+478% +$2.41M 0.05% 221
2023
Q2 		$449K Hold
2,023
– – 0.01% 305
2023
Q1 		$489K Sell
2,023
-6
-0.3% -$1.47K 0.01% 299
2022
Q4 		$533K Hold
2,029
– – 0.01% 286
2022
Q3 		$457K Hold
2,029
– – 0.01% 292
2022
Q2 		$494K Hold
2,029
– – 0.01% 293
2022
Q1 		$491K Hold
2,029
– – 0.01% 311
2021
Q4 		$456K Sell
2,029
-80
-4% -$16.9K 0.01% 313
2021
Q3 		$448K Sell
2,109
-70
-3% -$16.1K 0.01% 312
2021
Q2 		$531K Hold
2,179
– – 0.01% 308
2021
Q1 		$542K Buy
2,179
+216
+11% +$51.5K 0.01% 288
2020
Q4 		$451K Hold
1,963
– – 0.01% 285
2020
Q3 		$499K Sell
1,963
-9,800
-83% -$2.43M 0.01% 270
2020
Q2 		$2.77M Sell
11,763
-10,225
-47% -$2.33M 0.06% 186
2020
Q1 		$4.46M Buy
21,988
+1,950
+10% +$426K 0.11% 151
2019
Q4 		$4.83M Buy
20,038
+2,020
+11% +$445K 0.07% 168
2019
Q3 		$3.49M Buy
18,018
+267
+2% +$51.3K 0.06% 175
2019
Q2 		$3.27M Sell
17,751
-75
-0.4% -$13.4K 0.05% 181
2019
Q1 		$3.39M Hold
17,826
– – 0.05% 177
2018
Q4 		$3.47M Buy
17,826
+15,950
+850% +$3.11M 0.05% 176
2018
Q3 		$389K Sell
1,876
-53
-3% -$10.4K 0.01% 365
2018
Q2 		$356K Sell
1,929
-58
-3% -$10.3K ﹤0.01% 371
2018
Q1 		$339K Sell
1,987
-1,633
-45% -$300K ﹤0.01% 373
2017
Q4 		$630K Sell
3,620
-52
-1% -$9.2K 0.01% 328
2017
Q3 		$685K Buy
3,672
+90
+3% +$15.9K 0.01% 322
2017
Q2 		$617K Buy
3,582
+627
+21% +$102K 0.01% 342
2017
Q1 		$485K Buy
2,955
+51
+2% +$8.47K 0.01% 402
2016
Q4 		$425K Sell
2,904
-25
-0.9% -$3.76K 0.01% 370
2016
Q3 		$489K Sell
2,929
-41
-1% -$6.93K 0.01% 343
2016
Q2 		$452K Hold
2,970
– – 0.01% 332
2016
Q1 		$445K Hold
2,970
– – 0.01% 327
2015
Q4 		$482K Hold
2,970
– – 0.01% 326
2015
Q3 		$411K Buy
2,970
+99
+3% +$15.6K 0.01% 340
2015
Q2 		$441K Hold
2,871
– – 0.01% 338
2015
Q1 		$459K Hold
2,871
– – 0.01% 334
2014
Q4 		$457K Sell
2,871
-279
-9% -$43.5K 0.01% 340
2014
Q3 		$442K Hold
3,150
– – 0.01% 327
2014
Q2 		$373K Sell
3,150
-1,000
-24% -$116K 0.01% 346
2014
Q1 		$512K Buy
4,150
+195
+5% +$23.6K 0.01% 322
2013
Q4 		$451K Sell
3,955
-100
-2% -$11.4K 0.01% 335
2013
Q3 		$454K Hold
4,055
– – 0.01% 336
2013
Q2 		$400K Buy
+4,055
New +$421K 0.01% 349

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

Thompson Siegel & Walmsley's AMGN Position: Q1 2026 in Review

Thompson Siegel & Walmsley increased its Amgen (AMGN) stake by 0.07% in Q1 2026, buying an estimated $8.91K and bringing the position to 35,250 shares worth $12.4M. The position accounts for 0.22% of the portfolio, ranked #110.

Thompson Siegel & Walmsley first reported a position in AMGN in Q2 2013 and has held it in 52 quarters since. The position peaked at $13.4M in Q3 2024. 3,129 funds tracked by Wall St. Rank hold AMGN as of Q1 2026.

  • Thompson Siegel & Walmsley held 35,250 shares of Amgen worth $12.4M as of Q1 2026.
  • Thompson Siegel & Walmsley bought 25 Amgen shares in Q1 2026, an estimated $8.91K.
  • Amgen made up 0.22% of Thompson Siegel & Walmsley's portfolio in Q1 2026, its #110 holding.
  • Thompson Siegel & Walmsley first reported a position in Amgen in Q2 2013 and has held it in 52 quarters since.
  • Thompson Siegel & Walmsley's Amgen position peaked at $13.4M in Q3 2024.
  • 3,129 funds tracked by Wall St. Rank held Amgen as of Q1 2026.

Based on Thompson Siegel & Walmsley's 13F filing for Q1 2026, filed 11 May 2026.