Jane Street
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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
2026
Q1 		$123K Sell
13,400
-6,900
-34% -$90.5K ﹤0.01% 10519
2025
Q4 		$341K Sell
20,300
-9,100
-31% -$177K ﹤0.01% 8539
2025
Q3 		$652K Sell
29,400
-40,300
-58% -$894K ﹤0.01% 7277
2025
Q2 		$2.15M Buy
69,700
+43,800
+169% +$1.07M ﹤0.01% 4304
2025
Q1 		$436K Sell
25,900
-39,700
-61% -$1.03M ﹤0.01% 7129
2024
Q4 		$1.89M Sell
65,600
-3,800
-5% -$74.5K ﹤0.01% 4211
2024
Q3 		$1.18M Buy
+69,400
New +$821K ﹤0.01% 5558

Other funds holding BYRN

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Millennium Management
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
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
EA
Emerald Advisers Leola, Pennsylvania $3.16B AUM 109.58% 1-Year Est. Return
PA
Pinnacle Associates New York $7.78B AUM 45.07% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
State Street
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.