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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
2025
Q4 		– Sell
-60,000
Closed -$1.33M – 4614
2025
Q3 		$1.33M Buy
60,000
+30,000
+100% +$666K ﹤0.01% 3267
2025
Q2 		$926K Buy
30,000
+1,500
+5% +$36.6K ﹤0.01% 3289
2025
Q1 		$480K Buy
+28,500
New +$736K ﹤0.01% 3532

Other funds holding BYRN

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Capital Management
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
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
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
PA
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
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.