John Overdeck’s CASI Pharmaceuticals CASI Stock Holding History

John Overdeck’s Portfolio CASI Stock Details CASI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-23,787	Closed	-$20.2K	–	4619
2025 Q4	$20.2K	Sell	23,787 -9,480	-28%	-$12.3K	﹤0.01%	3997
2025 Q3	$55.2K	Buy	+33,267	New	+$59.4K	﹤0.01%	3538
2022 Q1	–	Sell	-6,340	Closed	-$51K	–	2867
2021 Q4	$51K	Buy	+6,340	New	+$63.1K	﹤0.01%	4136
2021 Q2	–	Sell	-30,921	Closed	-$742K	–	4078
2021 Q1	$742K	Buy	30,921 +25,541	+475%	+$717K	﹤0.01%	2579
2020 Q4	$159K	Buy	5,380 +4,249	+376%	+$92.3K	﹤0.01%	3154
2020 Q3	$17K	Sell	1,131 -2,389	-68%	-$45K	﹤0.01%	3004
2020 Q2	$88K	Buy	3,520 +2,350	+201%	+$51.1K	﹤0.01%	2797
2020 Q1	$24K	Buy	+1,170	New	+$27.9K	﹤0.01%	2967

Other funds holding CASI

Simplex Trading Chicago, Illinois $171B AUM 85% 1-Year Est. Return

John Overdeck's CASI Position: Q1 2026 in Review

John Overdeck sold out of CASI Pharmaceuticals (CASI) in Q1 2026, closing a stake of 23,787 shares — an estimated $20.2K sold.

John Overdeck first reported a position in CASI in Q1 2020 and held it in 8 quarters. The position peaked at $742K in Q1 2021. 1 fund tracked by Wall St. Rank holds CASI as of Q1 2026.

John Overdeck reported no remaining CASI Pharmaceuticals position as of Q1 2026 after selling out during the quarter.
John Overdeck sold 23,787 CASI Pharmaceuticals shares in Q1 2026, an estimated $20.2K.
John Overdeck first reported a position in CASI Pharmaceuticals in Q1 2020 and held it in 8 quarters.
John Overdeck's CASI Pharmaceuticals position peaked at $742K in Q1 2021.
1 fund tracked by Wall St. Rank held CASI Pharmaceuticals as of Q1 2026.

Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.