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 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 $893B AUM 36.07% 1-Year Est. Return

OMC

Old Mission Capital Chicago, Illinois $6.3B AUM 14.68% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Jane Street's ARKT Position: Q1 2026 in Review

Jane Street reduced its ARK DIET Q4 Buffer ETF (ARKT) stake by 49% in Q1 2026, selling an estimated $205K and leaving 11,691 shares worth $206K. The position accounts for ﹤0.01% of the portfolio, ranked #10089.

Jane Street first reported a position in ARKT in Q4 2025 and has held it in 2 quarters since. The position peaked at $427K in Q4 2025. 4 funds tracked by Wall St. Rank hold ARKT as of Q1 2026.

Jane Street held 11,691 shares of ARK DIET Q4 Buffer ETF worth $206K as of Q1 2026.
Jane Street sold 11,107 ARK DIET Q4 Buffer ETF shares in Q1 2026, an estimated $205K.
ARK DIET Q4 Buffer ETF made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #10089 holding.
Jane Street first reported a position in ARK DIET Q4 Buffer ETF in Q4 2025 and has held it in 2 quarters since.
Jane Street's ARK DIET Q4 Buffer ETF position peaked at $427K in Q4 2025.
4 funds tracked by Wall St. Rank held ARK DIET Q4 Buffer ETF as of Q1 2026.

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