Byrna Technologies
BYRN
128 hedge funds and large institutions have $251M invested in Byrna Technologies in 2025 Q4 according to their latest regulatory filings, with 25 funds opening new positions, 50 increasing their positions, 31 reducing their positions, and 26 closing their positions.
63% more call options, than puts
Call options by funds: $1.51M | Put options by funds: $928K
61% more repeat investments, than reductions
Existing positions increased: 50 | Existing positions reduced: 31
1.07% more ownership
Funds ownership: 64.79% → 65.86% (+1.1%)
4% less first-time investments, than exits
New positions opened: 25 | Existing positions closed: 26
2% less funds holding
Funds holding: 130 → 128 (-2)
23% less capital invested
Capital invested by funds: $327M → $251M (-$75.9M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
ACM
AIGH Capital Management
Baltimore,
Maryland
|
+$7.69M |
| 2 |
PA
Pinnacle Associates
New York
|
+$6.83M |
| 3 |
Millennium Management
New York
|
+$4.29M |
| 4 |
PCM
Penn Capital Management
Philadelphia,
Pennsylvania
|
+$3.23M |
| 5 |
EA
Emerald Advisers
Leola,
Pennsylvania
|
+$3.17M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DCM
Driehaus Capital Management
Chicago,
Illinois
|
-$10.5M |
| 2 |
Capital Research Global Investors
Los Angeles,
California
|
-$9.76M |
| 3 |
DSCM
Divisadero Street Capital Management
Miami,
Florida
|
-$3.91M |
| 4 |
Arrowstreet Capital
Boston,
Massachusetts
|
-$3.88M |
| 5 |
Citadel Advisors
Miami,
Florida
|
-$3.18M |
BYRN Hedge Fund Activity: Q4 2025 in Review
128 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in Byrna Technologies (BYRN) for Q4 2025, worth a combined $251M — down 23% from $327M a quarter earlier.
Sellers outnumbered buyers: 26 funds closed out of BYRN and 25 opened new positions — a net loss of 1 holder — while 31 trimmed existing stakes and 50 added.
The largest buyer was AIGH Capital Management, opening a new position worth an estimated $7.69M. The largest seller was Driehaus Capital Management, exiting entirely with an estimated $10.5M sold.
- 128 institutional investors held Byrna Technologies (BYRN) as of Q4 2025, down from 130 in Q3 2025.
- Funds reported $251M of Byrna Technologies stock for Q4 2025, down 23% quarter-over-quarter.
- 25 funds opened new Byrna Technologies positions in Q4 2025 and 26 closed out, a net change of -1 holder.
- The largest Byrna Technologies buyer in Q4 2025 was AIGH Capital Management, an estimated $7.69M added.
- The largest Byrna Technologies seller in Q4 2025 was Driehaus Capital Management, an estimated $10.5M sold.
Based on aggregated 13F filings for Q4 2025.