Jim Simons
AMRN

Jim Simons’s Amarin Corp AMRN Stock Holding History

Jim Simons’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 		$278K Buy
+19,256
New +$288K ﹤0.01% 2814
2023
Q3 		– Sell
-2,695
Closed -$64K – 3625
2023
Q2 		$64K Sell
2,695
-1,140
-30% -$29.3K ﹤0.01% 3564
2023
Q1 		$115K Buy
+3,835
New +$134K ﹤0.01% 3445
2021
Q3 		– Sell
-70,650
Closed -$6.19M – 3444
2021
Q2 		$6.19M Sell
70,650
-25,980
-27% -$2.55M 0.01% 1496
2021
Q1 		$12M Sell
96,630
-49,096
-34% -$6.6M 0.01% 1073
2020
Q4 		$14.3M Buy
145,726
+17,677
+14% +$1.7M 0.02% 938
2020
Q3 		$10.8M Sell
128,049
-62,614
-33% -$7.5M 0.01% 1077
2020
Q2 		$26.4M Buy
190,663
+72,463
+61% +$9.97M 0.02% 671
2020
Q1 		$9.46M Buy
+118,200
New +$39.3M 0.01% 1197
2018
Q3 		– Sell
-88,461
Closed -$5.47M – 3334
2018
Q2 		$5.47M Sell
88,461
-41,646
-32% -$2.58M 0.01% 1731
2018
Q1 		$7.83M Buy
130,107
+17,987
+16% +$1.34M 0.01% 1527
2017
Q4 		$8.99M Sell
112,120
-55,331
-33% -$3.81M 0.01% 1450
2017
Q3 		$11.7M Buy
167,451
+52,917
+46% +$3.75M 0.01% 1231
2017
Q2 		$9.23M Buy
114,534
+28,024
+32% +$1.74M 0.01% 1327
2017
Q1 		$5.54M Buy
86,510
+67,210
+348% +$4.27M 0.01% 1617
2016
Q4 		$1.19M Buy
19,300
+16,770
+663% +$1.07M ﹤0.01% 2473
2016
Q3 		$161K Buy
+2,530
New +$142K ﹤0.01% 3107
2016
Q1 		– Sell
-13,245
Closed -$501K – 3357
2015
Q4 		$501K Buy
+13,245
New +$520K ﹤0.01% 2737
2015
Q3 		– Sell
-24,200
Closed -$1.19M – 3146
2015
Q2 		$1.19M Sell
24,200
-12,425
-34% -$559K ﹤0.01% 2358
2015
Q1 		$1.71M Buy
+36,625
New +$1.12M ﹤0.01% 2013
2014
Q3 		– Sell
-9,210
Closed -$324K – 2768
2014
Q2 		$324K Buy
+9,210
New +$289K ﹤0.01% 2455

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 $645M AUM 27.59% 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

Jim Simons's AMRN Position: Q1 2026 in Review

Jim Simons opened a new position in Amarin Corp (AMRN) in Q1 2026: 19,256 shares worth $278K. The stake represents ﹤0.01% of the portfolio and ranks #2814 among its holdings. This is a return to the name: Jim Simons previously reported a position in AMRN as recently as Q2 2023.

Jim Simons first reported a position in AMRN in Q2 2014 and has held it in 21 quarters since. The position peaked at $26.4M in Q2 2020. 69 funds tracked by Wall St. Rank hold AMRN as of Q1 2026.

  • Jim Simons held 19,256 shares of Amarin Corp worth $278K as of Q1 2026.
  • Amarin Corp was a new Jim Simons position in Q1 2026.
  • Amarin Corp made up ﹤0.01% of Jim Simons's portfolio in Q1 2026, its #2814 holding.
  • Jim Simons first reported a position in Amarin Corp in Q2 2014 and has held it in 21 quarters since.
  • Jim Simons's Amarin Corp position peaked at $26.4M in Q2 2020.
  • 69 funds tracked by Wall St. Rank held Amarin Corp as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.