Jane Street’s ARK DIET Q4 Buffer ETF ARKT Stock Holding History

Jane Street’s Portfolio ARKT Stock Details ARKT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-11,691	Closed	-$206K	–	13742
2026 Q1	$206K	Sell	11,691 -11,107	-49%	-$205K	﹤0.01%	10089
2025 Q4	$427K	Buy	+22,798	New	+$451K	﹤0.01%	8059

Other funds holding ARKT

Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Jane Street's ARKT Position: Q2 2026 in Review

Jane Street sold out of ARK DIET Q4 Buffer ETF (ARKT) in Q2 2026, closing a stake of 11,691 shares — an estimated $206K sold.

Jane Street first reported a position in ARKT in Q4 2025 and held it in 2 quarters. The position peaked at $427K in Q4 2025. 2 funds tracked by Wall St. Rank hold ARKT as of Q2 2026.

Jane Street reported no remaining ARK DIET Q4 Buffer ETF position as of Q2 2026 after selling out during the quarter.
Jane Street sold 11,691 ARK DIET Q4 Buffer ETF shares in Q2 2026, an estimated $206K.
Jane Street first reported a position in ARK DIET Q4 Buffer ETF in Q4 2025 and held it in 2 quarters.
Jane Street's ARK DIET Q4 Buffer ETF position peaked at $427K in Q4 2025.
2 funds tracked by Wall St. Rank held ARK DIET Q4 Buffer ETF as of Q2 2026.

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