SEI Investments’s Karyopharm Therapeutics KPTI Stock Holding History

SEI Investments’s Portfolio KPTI Stock Details KPTI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$147K	Buy	+15,083	New	+$131K	﹤0.01%	3118
2024 Q3	–	Sell	-2,667	Closed	-$34.7K	–	2729
2024 Q2	$34.7K	Hold	2,667	–	–	﹤0.01%	2611
2024 Q1	$60.4K	Buy	+2,667	New	+$46.8K	﹤0.01%	2551
2021 Q3	–	Sell	-2,054	Closed	-$314K	–	2599
2021 Q2	$314K	Sell	2,054 -166	-7%	-$24.1K	﹤0.01%	2293
2021 Q1	$350K	Sell	2,220 -94	-4%	-$19.8K	﹤0.01%	2189
2020 Q4	$532K	Sell	2,314 -45	-2%	-$10.4K	﹤0.01%	1948
2020 Q3	$515K	Sell	2,359 -76	-3%	-$18.6K	﹤0.01%	1880
2020 Q2	$691K	Sell	2,435 -1,335	-35%	-$395K	﹤0.01%	1717
2020 Q1	$1.08M	Buy	3,770 +572	+18%	+$158K	﹤0.01%	1430
2019 Q4	$919K	Buy	3,198 +2,033	+175%	+$441K	﹤0.01%	1673
2019 Q3	$168K	Buy	+1,165	New	+$158K	﹤0.01%	2267

Other funds holding KPTI

RCM

RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return

Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return

ACA

Acorn Capital Advisors New York $366M AUM 474.6% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

CCM

Catalio Capital Management New York $532M AUM 171.17% 1-Year Est. Return

APM

Avidity Partners Management Dallas, Texas $624M AUM 250.2% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

SEI Investments's KPTI Position: Q2 2026 in Review

SEI Investments opened a new position in Karyopharm Therapeutics (KPTI) in Q2 2026: 15,083 shares worth $147K. The stake represents ﹤0.01% of the portfolio and ranks #3118 among its holdings. This is a return to the name: SEI Investments previously reported a position in KPTI as recently as Q2 2024.

SEI Investments first reported a position in KPTI in Q3 2019 and has held it in 11 quarters since. The position peaked at $1.08M in Q1 2020. 97 funds tracked by Wall St. Rank hold KPTI as of Q2 2026.

SEI Investments held 15,083 shares of Karyopharm Therapeutics worth $147K as of Q2 2026.
Karyopharm Therapeutics was a new SEI Investments position in Q2 2026.
Karyopharm Therapeutics made up ﹤0.01% of SEI Investments's portfolio in Q2 2026, its #3118 holding.
SEI Investments first reported a position in Karyopharm Therapeutics in Q3 2019 and has held it in 11 quarters since.
SEI Investments's Karyopharm Therapeutics position peaked at $1.08M in Q1 2020.
97 funds tracked by Wall St. Rank held Karyopharm Therapeutics as of Q2 2026.

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