Jane Street’s Kezar Life Sciences KZR Stock Holding History

Jane Street’s Portfolio KZR Stock Details KZR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2023 Q1	–	Sell	-1,440	Closed	-$101K	–	9514
2022 Q4	$101K	Sell	1,440 -9,010	-86%	-$668K	﹤0.01%	8084
2022 Q3	$900K	Buy	10,450 +1,830	+21%	+$178K	﹤0.01%	5595
2022 Q2	$713K	Buy	8,620 +5,860	+212%	+$517K	﹤0.01%	6092
2022 Q1	$459K	Buy	2,760 +1,060	+62%	+$152K	﹤0.01%	7648
2021 Q4	$284K	Buy	+1,700	New	+$192K	﹤0.01%	8265

Jane Street's KZR Position: Q2 2026 in Review

Jane Street sold out of Kezar Life Sciences (KZR) in Q2 2026, closing a stake of 21,367 shares — an estimated $159K sold.

Jane Street first reported a position in KZR in Q2 2020 and held it in 13 quarters. The position peaked at $1.49M in Q1 2022. 0 funds tracked by Wall St. Rank hold KZR as of Q2 2026.

Jane Street reported no remaining Kezar Life Sciences position as of Q2 2026 after selling out during the quarter.
Jane Street sold 21,367 Kezar Life Sciences shares in Q2 2026, an estimated $159K.
Jane Street first reported a position in Kezar Life Sciences in Q2 2020 and held it in 13 quarters.
Jane Street's Kezar Life Sciences position peaked at $1.49M in Q1 2022.
0 funds tracked by Wall St. Rank held Kezar Life Sciences as of Q2 2026.

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