Jane Street’s Byrna Technologies BYRN Stock Holding History

Jane Street’s Portfolio BYRN Stock Details BYRN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-29,600	Closed	-$656K	–	11200
2025 Q3	$656K	Buy	+29,600	New	+$657K	﹤0.01%	7261

Other funds holding BYRN

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

WANY

Wealthspire Advisors (New York) New York $12.7B AUM 17.31% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Emerald Advisers Leola, Pennsylvania $3.16B AUM 109.58% 1-Year Est. Return

Pinnacle Associates New York $7.78B AUM 45.07% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Jane Street's BYRN Position: Q1 2026 in Review

Jane Street sold out of Byrna Technologies (BYRN) in Q1 2026, closing a stake of 101,994 shares — an estimated $1.34M sold.

Jane Street first reported a position in BYRN in Q4 2022 and held it in 10 quarters. The position peaked at $2.47M in Q2 2025. 121 funds tracked by Wall St. Rank hold BYRN as of Q1 2026.

Jane Street reported no remaining Byrna Technologies position as of Q1 2026 after selling out during the quarter.
Jane Street sold 101,994 Byrna Technologies shares in Q1 2026, an estimated $1.34M.
Jane Street first reported a position in Byrna Technologies in Q4 2022 and held it in 10 quarters.
Jane Street's Byrna Technologies position peaked at $2.47M in Q2 2025.
121 funds tracked by Wall St. Rank held Byrna Technologies as of Q1 2026.

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