Jane Street’s Polaryx Therapeutics Inc PLYX Stock Holding History

Jane Street’s Portfolio PLYX Stock Details PLYX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q3	–	Sell	-31,441	Closed	-$83.6K	–	13668
2026 Q2	$83.6K	Buy	+31,441	New	+$123K	﹤0.01%	10693

Other funds holding PLYX

Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Vanguard Fiduciary Trust Malvern, Pennsylvania $463B AUM

State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return

BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return

HRT Financial New York $57.2B AUM 52.85% 1-Year Est. Return

Cerity Partners New York $87.3B AUM 22.01% 1-Year Est. Return

Allworth Financial Folsom, California $28.2B AUM 13.34% 1-Year Est. Return

Vanguard Global Advisers Malvern, Pennsylvania $225B AUM

UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return

Jane Street's PLYX Position: Q3 2026 in Review

Jane Street sold out of Polaryx Therapeutics Inc (PLYX) in Q3 2026, closing a stake of 31,441 shares — an estimated $83.6K sold.

Jane Street first reported a position in PLYX in Q2 2026 and held it in 1 quarter. The position peaked at $83.6K in Q2 2026. 11 funds tracked by Wall St. Rank hold PLYX as of Q3 2026.

Jane Street reported no remaining Polaryx Therapeutics Inc position as of Q3 2026 after selling out during the quarter.
Jane Street sold 31,441 Polaryx Therapeutics Inc shares in Q3 2026, an estimated $83.6K.
Jane Street first reported a position in Polaryx Therapeutics Inc in Q2 2026 and held it in 1 quarter.
Jane Street's Polaryx Therapeutics Inc position peaked at $83.6K in Q2 2026.
11 funds tracked by Wall St. Rank held Polaryx Therapeutics Inc as of Q3 2026.

Based on Jane Street's 13F filing for Q3 2026, filed 12 Nov 2026.