Jane Street’s ProPhase Labs PRPH Stock Holding History

Jane Street’s Portfolio PRPH Stock Details PRPH Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-21,952	Closed	-$9.82K	–	12689
2025 Q4	$9.82K	Buy	+21,952	New	+$61.8K	﹤0.01%	10841
2025 Q2	–	Sell	-4,839	Closed	-$19.6K	–	10602
2025 Q1	$19.6K	Buy	+4,839	New	+$22.2K	﹤0.01%	9154
2023 Q3	–	Sell	-1,023	Closed	-$74.3K	–	9212
2023 Q2	$74.3K	Sell	1,023 -229	-18%	-$18.6K	﹤0.01%	8109
2023 Q1	$95.4K	Buy	1,252 +25	+2%	+$2.02K	﹤0.01%	8249
2022 Q4	$118K	Buy	+1,227	New	+$133K	﹤0.01%	8001
2019 Q3	–	Sell	-1,022	Closed	-$22K	–	5599
2019 Q2	$22K	Buy	+1,022	New	+$30.1K	﹤0.01%	5015

Other funds holding PRPH

CoreCap Advisors Southfield, Michigan $3.39B AUM 31.21% 1-Year Est. Return

FFA

Farther Finance Advisors San Francisco, California $12.8B AUM 26.53% 1-Year Est. Return

Jane Street's PRPH Position: Q1 2026 in Review

Jane Street sold out of ProPhase Labs (PRPH) in Q1 2026, closing a stake of 21,952 shares — an estimated $9.82K sold.

Jane Street first reported a position in PRPH in Q2 2019 and held it in 6 quarters. The position peaked at $118K in Q4 2022. 2 funds tracked by Wall St. Rank hold PRPH as of Q1 2026.

Jane Street reported no remaining ProPhase Labs position as of Q1 2026 after selling out during the quarter.
Jane Street sold 21,952 ProPhase Labs shares in Q1 2026, an estimated $9.82K.
Jane Street first reported a position in ProPhase Labs in Q2 2019 and held it in 6 quarters.
Jane Street's ProPhase Labs position peaked at $118K in Q4 2022.
2 funds tracked by Wall St. Rank held ProPhase Labs as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.