Jane Street’s Maris-Tech MTEK Stock Holding History

Jane Street’s Portfolio MTEK Stock Details MTEK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-10,388	Closed	-$12.1K	–	12484
2025 Q4	$12.1K	Buy	+10,388	New	+$15.8K	﹤0.01%	10811
2025 Q3	–	Sell	-20,619	Closed	-$66K	–	11417
2025 Q2	$66K	Buy	+20,619	New	+$48K	﹤0.01%	9104

Other funds holding MTEK

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

XTX Topco George Town, Cayman Islands $7.72B AUM 32.88% 1-Year Est. Return

LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return

IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return

SSG

Summit Securities Group New York $1.05B AUM 36.17% 1-Year Est. Return

Russell Investments Group London, United Kingdom $114B AUM 41.71% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

BWL

Bogart Wealth LLC Mclean, Virginia $2.92B AUM 23.85% 1-Year Est. Return

Jane Street's MTEK Position: Q1 2026 in Review

Jane Street sold out of Maris-Tech (MTEK) in Q1 2026, closing a stake of 10,388 shares — an estimated $12.1K sold.

Jane Street first reported a position in MTEK in Q2 2025 and held it in 2 quarters. The position peaked at $66K in Q2 2025. 8 funds tracked by Wall St. Rank hold MTEK as of Q1 2026.

Jane Street reported no remaining Maris-Tech position as of Q1 2026 after selling out during the quarter.
Jane Street sold 10,388 Maris-Tech shares in Q1 2026, an estimated $12.1K.
Jane Street first reported a position in Maris-Tech in Q2 2025 and held it in 2 quarters.
Jane Street's Maris-Tech position peaked at $66K in Q2 2025.
8 funds tracked by Wall St. Rank held Maris-Tech as of Q1 2026.

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