Group One Trading
AMRN

Group One Trading’s Amarin Corp AMRN Stock Holding History

Group One Trading’s Portfolio AMRN Stock Details AMRN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-1,100
Closed -$15.3K – 7554
2025
Q4 		$15.3K Sell
1,100
-39,400
-97% -$650K ﹤0.01% 6550
2025
Q3 		$663K Sell
40,500
-63,000
-61% -$979K ﹤0.01% 3419
2025
Q2 		$1.68M Buy
103,500
+93,435
+928% +$1.05M ﹤0.01% 2301
2025
Q1 		$90.2K Sell
10,065
-5,465
-35% -$57.8K ﹤0.01% 4672
2024
Q4 		$151K Buy
15,530
+1,275
+9% +$13.7K ﹤0.01% 4166
2024
Q3 		$179K Buy
14,255
+9,730
+215% +$129K ﹤0.01% 3727
2024
Q2 		$62.3K Sell
4,525
-11,470
-72% -$197K ﹤0.01% 4351
2024
Q1 		$285K Buy
15,995
+7,680
+92% +$164K ﹤0.01% 3253
2023
Q4 		$145K Buy
8,315
+2,565
+45% +$40.3K ﹤0.01% 4156
2023
Q3 		$106K Sell
5,750
-1,385
-19% -$30K ﹤0.01% 4407
2023
Q2 		$170K Sell
7,135
-3,785
-35% -$97.2K ﹤0.01% 4112
2023
Q1 		$328K Sell
10,920
-7,125
-39% -$250K ﹤0.01% 3177
2022
Q4 		$437K Buy
18,045
+4,965
+38% +$119K ﹤0.01% 3166
2022
Q3 		$285K Sell
13,080
-12,535
-49% -$336K ﹤0.01% 3794
2022
Q2 		$763K Buy
25,615
+735
+3% +$31.7K ﹤0.01% 3005
2022
Q1 		$1.64M Sell
24,880
-26,955
-52% -$1.78M ﹤0.01% 2596
2021
Q4 		$3.49M Sell
51,835
-16,750
-24% -$1.39M ﹤0.01% 2038
2021
Q3 		$7M Buy
68,585
+21,840
+47% +$2.15M 0.01% 1384
2021
Q2 		$4.09M Sell
46,745
-6,825
-13% -$670K ﹤0.01% 1890
2021
Q1 		$6.65M Sell
53,570
-1,670
-3% -$225K 0.01% 1269
2020
Q4 		$5.4M Buy
55,240
+6,475
+13% +$624K 0.01% 1216
2020
Q3 		$4.11M Sell
48,765
-10,305
-17% -$1.23M 0.01% 1047
2020
Q2 		$8.18M Sell
59,070
-5,340
-8% -$735K 0.04% 542
2020
Q1 		$5.15M Buy
64,410
+21,110
+49% +$7.01M 0.04% 512
2019
Q4 		$18.6M Sell
43,300
-15,485
-26% -$5.88M 0.13% 165
2019
Q3 		$17.8M Buy
58,785
+26,740
+83% +$9.33M 0.14% 127
2019
Q2 		$12.4M Buy
32,045
+325
+1% +$119K 0.11% 184
2019
Q1 		$13.2M Sell
31,720
-56,620
-64% -$20.4M 0.15% 125
2018
Q4 		$24M Sell
88,340
-17,490
-17% -$6.38M 0.21% 83
2018
Q3 		$34.4M Buy
105,830
+96,535
+1,039% +$7.29M 0.27% 46
2018
Q2 		$574K Sell
9,295
-16,345
-64% -$1.01M ﹤0.01% 2183
2018
Q1 		$1.54M Buy
25,640
+1,545
+6% +$115K 0.02% 1189
2017
Q4 		$1.93M Buy
24,095
+3,250
+16% +$224K 0.01% 1205
2017
Q3 		$1.46M Sell
20,845
-5,575
-21% -$395K 0.01% 1286
2017
Q2 		$2.13M Buy
26,420
+12,385
+88% +$770K 0.02% 921
2017
Q1 		$898K Sell
14,035
-34,555
-71% -$2.19M 0.01% 1406
2016
Q4 		$2.99M Buy
+48,590
New +$3.09M 0.03% 690
2013
Q3 		– Sell
-34,010
Closed -$3.94M – 5152
2013
Q2 		$3.94M Buy
+34,010
New +$4.69M 0.1% 200

Other funds holding AMRN

SCM
Sarissa Capital Management Greenwich, Connecticut $158M AUM 103.7% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
KCM
Kynam Capital Management Princeton, New Jersey $1.62B AUM 138.67% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $78.1B AUM 55.25% 1-Year Est. Return
WW
Waterfront Wealth Overland Park, Kansas $545M AUM 19.05% 1-Year Est. Return
EP
Eversept Partners New York $1.9B AUM 121.13% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Group One Trading's AMRN Position: Q1 2026 in Review

Group One Trading opened a new position in Amarin Corp (AMRN) in Q1 2026: 29 shares worth $419. The stake represents ﹤0.01% of the portfolio and ranks #7336 among its holdings. This is a return to the name: Group One Trading previously reported a position in AMRN as recently as Q3 2025.

Group One Trading first reported a position in AMRN in Q2 2013 and has held it in 50 quarters since. The position peaked at $12.7M in Q4 2019. 69 funds tracked by Wall St. Rank hold AMRN as of Q1 2026.

  • Group One Trading held 29 shares of Amarin Corp worth $419 as of Q1 2026.
  • Amarin Corp was a new Group One Trading position in Q1 2026.
  • Amarin Corp made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #7336 holding.
  • Group One Trading first reported a position in Amarin Corp in Q2 2013 and has held it in 50 quarters since.
  • Group One Trading's Amarin Corp position peaked at $12.7M in Q4 2019.
  • 69 funds tracked by Wall St. Rank held Amarin Corp as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.