Jane Street
AMRN

Jane Street’s Amarin Corp AMRN Stock Holding History

Jane Street’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
2025
Q4 		– Sell
-29,600
Closed -$485K – 11022
2025
Q3 		$485K Sell
29,600
-2,400
-8% -$37.3K ﹤0.01% 7936
2025
Q2 		$519K Buy
+32,000
New +$360K ﹤0.01% 6852
2023
Q1 		– Sell
-4,480
Closed -$108K – 8944
2022
Q4 		$108K Sell
4,480
-6,190
-58% -$149K ﹤0.01% 8046
2022
Q3 		$233K Sell
10,670
-38,755
-78% -$1.04M ﹤0.01% 7946
2022
Q2 		$1.47M Sell
49,425
-6,175
-11% -$266K ﹤0.01% 4741
2022
Q1 		$3.66M Sell
55,600
-14,740
-21% -$973K ﹤0.01% 3577
2021
Q4 		$4.74M Buy
70,340
+26,635
+61% +$2.21M ﹤0.01% 2939
2021
Q3 		$4.46M Buy
43,705
+5,020
+13% +$493K ﹤0.01% 2927
2021
Q2 		$3.39M Buy
38,685
+23,620
+157% +$2.32M ﹤0.01% 3353
2021
Q1 		$1.87M Sell
15,065
-7,015
-32% -$943K ﹤0.01% 4145
2020
Q4 		$2.16M Sell
22,080
-7,810
-26% -$753K ﹤0.01% 3353
2020
Q3 		$2.52M Sell
29,890
-60,625
-67% -$7.27M ﹤0.01% 2688
2020
Q2 		$12.5M Buy
90,515
+70,990
+364% +$9.77M 0.01% 1033
2020
Q1 		$1.56M Buy
19,525
+10,160
+108% +$3.38M ﹤0.01% 2270
2019
Q4 		$4.02M Buy
9,365
+4,820
+106% +$1.83M 0.01% 1260
2019
Q3 		$1.38M Buy
4,545
+1,295
+40% +$452K ﹤0.01% 2218
2019
Q2 		$1.26M Sell
3,250
-4,165
-56% -$1.53M ﹤0.01% 2400
2019
Q1 		$3.08M Sell
7,415
-1,395
-16% -$503K 0.01% 1556
2018
Q4 		$2.4M Buy
8,810
+6,150
+231% +$2.24M 0.01% 1546
2018
Q3 		$866K Buy
+2,660
New +$201K ﹤0.01% 2938

Other funds holding AMRN

SCM
Sarissa Capital Management Greenwich, Connecticut $178M AUM 118.43% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
KCM
Kynam Capital Management Princeton, New Jersey $1.81B AUM 192.15% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
WW
Waterfront Wealth Overland Park, Kansas $645M AUM 27.59% 1-Year Est. Return
BFM
Brooklands Fund Management London, United Kingdom $128M AUM
EP
Eversept Partners New York $1.93B AUM 160.8% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return

Jane Street's AMRN Position: Q2 2026 in Review

Jane Street opened a new position in Amarin Corp (AMRN) in Q2 2026: 37,628 shares worth $600K. The stake represents ﹤0.01% of the portfolio and ranks #7604 among its holdings. This is a return to the name: Jane Street previously reported a position in AMRN as recently as Q4 2025.

Jane Street first reported a position in AMRN in Q3 2013 and has held it in 37 quarters since. The position peaked at $15.4M in Q3 2018. 81 funds tracked by Wall St. Rank hold AMRN as of Q2 2026.

  • Jane Street held 37,628 shares of Amarin Corp worth $600K as of Q2 2026.
  • Amarin Corp was a new Jane Street position in Q2 2026.
  • Amarin Corp made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #7604 holding.
  • Jane Street first reported a position in Amarin Corp in Q3 2013 and has held it in 37 quarters since.
  • Jane Street's Amarin Corp position peaked at $15.4M in Q3 2018.
  • 81 funds tracked by Wall St. Rank held Amarin Corp as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.