Jane Street’s Cumberland Pharmaceuticals CPIX Stock Holding History

Jane Street’s Portfolio CPIX Stock Details CPIX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$368K	Buy	56,741 +42,134	+288%	+$202K	﹤0.01%	8741
2026 Q1	$47.5K	Buy	+14,607	New	+$56.3K	﹤0.01%	10988
2013 Q3	–	Sell	-16,706	Closed	-$85K	–	2753
2013 Q2	$85K	Buy	+16,706	New	+$83.1K	﹤0.01%	2471

Other funds holding CPIX

Ikarian Capital Dallas, Texas $928M AUM 596.14% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

BFM

Boothbay Fund Management New York $7.6B AUM 109.3% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

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

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

Jane Street's CPIX Position: Q2 2026 in Review

Jane Street increased its Cumberland Pharmaceuticals (CPIX) stake by 288% in Q2 2026, buying an estimated $202K and bringing the position to 56,741 shares worth $368K. The position accounts for ﹤0.01% of the portfolio, ranked #8741.

Jane Street first reported a position in CPIX in Q2 2013 and has held it in 3 quarters since. 32 funds tracked by Wall St. Rank hold CPIX as of Q2 2026.

Jane Street held 56,741 shares of Cumberland Pharmaceuticals worth $368K as of Q2 2026.
Jane Street bought 42,134 Cumberland Pharmaceuticals shares in Q2 2026, an estimated $202K.
Cumberland Pharmaceuticals made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #8741 holding.
Jane Street first reported a position in Cumberland Pharmaceuticals in Q2 2013 and has held it in 3 quarters since.
32 funds tracked by Wall St. Rank held Cumberland Pharmaceuticals as of Q2 2026.

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