David Shaw’s Byrna Technologies BYRN Stock Holding History

David Shaw’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
2026 Q2	$1.52M	Buy	+226,678	New	+$1.39M	﹤0.01%	3427
2025 Q3	–	Sell	-112,686	Closed	-$2.5M	–	4583
2025 Q2	$3.48M	Buy	112,686 +4,879	+5%	+$119K	﹤0.01%	2307
2025 Q1	$1.82M	Sell	107,807 -5,542	-5%	-$143K	﹤0.01%	2679
2024 Q4	$3.27M	Sell	113,349 -132,592	-54%	-$2.6M	﹤0.01%	2326
2024 Q3	$4.17M	Buy	+245,941	New	+$2.91M	﹤0.01%	2091
2021 Q4	–	Sell	-31,787	Closed	-$695K	–	5420
2021 Q3	$695K	Buy	31,787 +22,095	+228%	+$547K	﹤0.01%	3871
2021 Q2	$220K	Buy	+9,692	New	+$239K	﹤0.01%	4412

Other funds holding BYRN

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

WANY

Wealthspire Advisors (New York) New York $18.2B AUM 21.48% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return

QOP

Quinn Opportunity Partners Charlottesville, Virginia $2.16B AUM 28.56% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Pinnacle Associates New York $9.16B AUM 63.5% 1-Year Est. Return

MGIA

Moneta Group Investment Advisors St Louis, Missouri $13.5B AUM 24.62% 1-Year Est. Return

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

David Shaw's BYRN Position: Q2 2026 in Review

David Shaw opened a new position in Byrna Technologies (BYRN) in Q2 2026: 226,678 shares worth $1.52M. The stake represents ﹤0.01% of the portfolio and ranks #3427 among its holdings. This is a return to the name: David Shaw previously reported a position in BYRN as recently as Q2 2025.

David Shaw first reported a position in BYRN in Q2 2021 and has held it in 7 quarters since. The position peaked at $4.17M in Q3 2024. 108 funds tracked by Wall St. Rank hold BYRN as of Q2 2026.

David Shaw held 226,678 shares of Byrna Technologies worth $1.52M as of Q2 2026.
Byrna Technologies was a new David Shaw position in Q2 2026.
Byrna Technologies made up ﹤0.01% of David Shaw's portfolio in Q2 2026, its #3427 holding.
David Shaw first reported a position in Byrna Technologies in Q2 2021 and has held it in 7 quarters since.
David Shaw's Byrna Technologies position peaked at $4.17M in Q3 2024.
108 funds tracked by Wall St. Rank held Byrna Technologies as of Q2 2026.

Based on D.E. Shaw & Co's 13F filing for Q2 2026, filed 14 Aug 2026.