Marshall Wace’s Byrna Technologies BYRN Stock Holding History

Marshall Wace’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 Q1	$1.3M	Buy	141,591 +97,854	+224%	+$1.28M	﹤0.01%	2009
2025 Q4	$734K	Buy	+43,737	New	+$851K	﹤0.01%	2082
2024 Q3	–	Sell	-11,675	Closed	-$117K	–	2534
2024 Q2	$117K	Sell	11,675 -65,089	-85%	-$802K	﹤0.01%	2388
2024 Q1	$1.07M	Buy	+76,764	New	+$744K	﹤0.01%	1628
2022 Q3	–	Sell	-53,200	Closed	-$458K	–	3368
2022 Q2	$458K	Sell	53,200 -167,840	-76%	-$1.28M	﹤0.01%	2828
2022 Q1	$1.8M	Sell	221,040 -198,717	-47%	-$2.02M	﹤0.01%	2120
2021 Q4	$5.6M	Buy	419,757 +323,709	+337%	+$5.27M	0.01%	1274
2021 Q3	$2.1M	Buy	+96,048	New	+$2.38M	0.01%	1504

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

Marshall Wace's BYRN Position: Q1 2026 in Review

Marshall Wace increased its Byrna Technologies (BYRN) stake by 224% in Q1 2026, buying an estimated $1.28M and bringing the position to 141,591 shares worth $1.3M. The position accounts for ﹤0.01% of the portfolio, ranked #2009.

Marshall Wace first reported a position in BYRN in Q3 2021 and has held it in 8 quarters since. The position peaked at $5.6M in Q4 2021. 121 funds tracked by Wall St. Rank hold BYRN as of Q1 2026.

Marshall Wace held 141,591 shares of Byrna Technologies worth $1.3M as of Q1 2026.
Marshall Wace bought 97,854 Byrna Technologies shares in Q1 2026, an estimated $1.28M.
Byrna Technologies made up ﹤0.01% of Marshall Wace's portfolio in Q1 2026, its #2009 holding.
Marshall Wace first reported a position in Byrna Technologies in Q3 2021 and has held it in 8 quarters since.
Marshall Wace's Byrna Technologies position peaked at $5.6M in Q4 2021.
121 funds tracked by Wall St. Rank held Byrna Technologies as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.