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 		$292K Buy
20,200
+19,400
+2,425% +$290K ﹤0.01% 3816
2025
Q4 		$11.2K Sell
800
-66,800
-99% -$1.1M ﹤0.01% 6749
2025
Q3 		$1.11M Buy
67,600
+35,100
+108% +$545K ﹤0.01% 2919
2025
Q2 		$527K Buy
32,500
+32,455
+72,122% +$365K ﹤0.01% 3363
2025
Q1 		$403 Sell
45
-2,830
-98% -$30K ﹤0.01% 7308
2024
Q4 		$27.9K Buy
2,875
+35
+1% +$375 ﹤0.01% 5488
2024
Q3 		$35.6K Buy
2,840
+1,110
+64% +$14.7K ﹤0.01% 4878
2024
Q2 		$23.8K Sell
1,730
-3,255
-65% -$56K ﹤0.01% 5097
2024
Q1 		$88.8K Buy
4,985
+4,620
+1,266% +$98.6K ﹤0.01% 4247
2023
Q4 		$6.35K Sell
365
-515
-59% -$8.08K ﹤0.01% 6419
2023
Q3 		$16.2K Sell
880
-625
-42% -$13.5K ﹤0.01% 6036
2023
Q2 		$35.8K Sell
1,505
-11,215
-88% -$288K ﹤0.01% 5530
2023
Q1 		$382K Sell
12,720
-5,890
-32% -$207K ﹤0.01% 3021
2022
Q4 		$450K Sell
18,610
-10,615
-36% -$255K ﹤0.01% 3142
2022
Q3 		$637K Buy
29,225
+5,225
+22% +$140K ﹤0.01% 2991
2022
Q2 		$715K Sell
24,000
-20,455
-46% -$882K ﹤0.01% 3085
2022
Q1 		$2.92M Sell
44,455
-24,890
-36% -$1.64M ﹤0.01% 2018
2021
Q4 		$4.67M Buy
69,345
+34,315
+98% +$2.84M ﹤0.01% 1766
2021
Q3 		$3.57M Buy
35,030
+4,015
+13% +$395K ﹤0.01% 2049
2021
Q2 		$2.72M Buy
31,015
+7,460
+32% +$733K ﹤0.01% 2322
2021
Q1 		$2.93M Sell
23,555
-12,435
-35% -$1.67M ﹤0.01% 2062
2020
Q4 		$3.52M Sell
35,990
-21,610
-38% -$2.08M 0.01% 1569
2020
Q3 		$4.85M Buy
57,600
+16,250
+39% +$1.95M 0.02% 935
2020
Q2 		$5.72M Buy
41,350
+17,980
+77% +$2.47M 0.03% 723
2020
Q1 		$1.87M Sell
23,370
-5,710
-20% -$1.9M 0.02% 1086
2019
Q4 		$12.5M Sell
29,080
-70
-0.2% -$26.6K 0.08% 271
2019
Q3 		$8.84M Buy
29,150
+10,885
+60% +$3.8M 0.07% 325
2019
Q2 		$7.08M Sell
18,265
-1,885
-9% -$690K 0.06% 362
2019
Q1 		$8.37M Sell
20,150
-141,550
-88% -$51.1M 0.09% 238
2018
Q4 		$44M Buy
161,700
+90,665
+128% +$33.1M 0.38% 32
2018
Q3 		$23.1M Buy
71,035
+49,240
+226% +$3.72M 0.18% 100
2018
Q2 		$1.35M Buy
21,795
+2,370
+12% +$147K 0.01% 1428
2018
Q1 		$1.17M Buy
19,425
+4,750
+32% +$353K 0.01% 1393
2017
Q4 		$1.18M Sell
14,675
-6,425
-30% -$443K 0.01% 1576
2017
Q3 		$1.48M Buy
21,100
+10,560
+100% +$748K 0.01% 1274
2017
Q2 		$850K Sell
10,540
-3,335
-24% -$207K 0.01% 1580
2017
Q1 		$888K Buy
13,875
+6,625
+91% +$421K 0.01% 1418
2016
Q4 		$447K Buy
+7,250
New +$461K ﹤0.01% 1849
2013
Q3 		– Sell
-34,745
Closed -$4.03M – 5153
2013
Q2 		$4.03M Buy
+34,745
New +$4.79M 0.1% 191

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.