JO
AMRN

John Overdeck’s Amarin Corp AMRN Stock Holding History

John Overdeck’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
2019
Q4 		– Sell
-3,920
Closed -$1.19M – 3618
2019
Q3 		$1.19M Sell
3,920
-635
-14% -$222K ﹤0.01% 1837
2019
Q2 		$1.77M Buy
+4,555
New +$1.67M 0.01% 1524

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
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return
BNP Paribas Financial Markets
BNP Paribas Financial Markets Paris, France $289B AUM 60.46% 1-Year Est. Return

John Overdeck's AMRN Position: Q2 2026 in Review

John Overdeck reduced its Amarin Corp (AMRN) stake by 6.5% in Q2 2026, selling an estimated $104K and leaving 100,511 shares worth $1.6M. The position accounts for ﹤0.01% of the portfolio, ranked #3200.

John Overdeck first reported a position in AMRN in Q3 2013 and has held it in 39 quarters since. The position peaked at $16.6M in Q4 2018. 81 funds tracked by Wall St. Rank hold AMRN as of Q2 2026.

  • John Overdeck held 100,511 shares of Amarin Corp worth $1.6M as of Q2 2026.
  • John Overdeck sold 7,031 Amarin Corp shares in Q2 2026, an estimated $104K.
  • Amarin Corp made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #3200 holding.
  • John Overdeck first reported a position in Amarin Corp in Q3 2013 and has held it in 39 quarters since.
  • John Overdeck's Amarin Corp position peaked at $16.6M in Q4 2018.
  • 81 funds tracked by Wall St. Rank held Amarin Corp as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.