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Byrna Technologies
BYRN

133 hedge funds and large institutions have $451M invested in Byrna Technologies in 2025 Q2 according to their latest regulatory filings, with 38 funds opening new positions, 46 increasing their positions, 33 reducing their positions, and 33 closing their positions.

New
Increased
Maintained
Reduced
Closed

392% more call options, than puts

Call options by funds: $17.7M | Put options by funds: $3.6M

101% more capital invested

Capital invested by funds: $224M → $451M (+$227M)

39% more repeat investments, than reductions

Existing positions increased: 46 | Existing positions reduced: 33

15% more first-time investments, than exits

New positions opened: 38 | Existing positions closed: 33

5.72% more ownership

Funds ownership: 58.74% → 64.46% (+5.7%)

3% more funds holding

Funds holding: 129 → 133 (+4)

Holders
133
Holders Change
+4
Holders Change %
+3.1%
% of All Funds
1.75%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
38
Increased
46
Reduced
33
Closed
33
Calls
$17.7M
Puts
$3.6M
Net Calls
+$14.1M
Net Calls Change
+$9.7M

Top Buyers

Rank Fund Capital Flow
1
Fidelity Investments
Fidelity Investments
Massachusetts
+$26M
2
Invesco
Invesco
Georgia
+$10.3M
3
DCM
Driehaus Capital Management
Illinois
+$4.11M
4
MC
Maverick Capital
Texas
+$2.73M
5
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$2.29M

Top Sellers

Rank Fund Capital Flow
1
WANY
Wealthspire Advisors (New York)
New York
-$3.91M
2
Millennium Management
Millennium Management
New York
-$2.97M
3
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
-$2.47M
4
Renaissance Technologies
Renaissance Technologies
New York
-$1.89M
5
ACM
Archon Capital Management
Washington
-$1.71M
Name Holding Trade Value Shares
Change 		Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$105M +$26M +1,065,372 +46%
Capital Research Global Investors
2
Capital Research Global Investors
California
$58.9M +$558K +22,846 +1%
BlackRock
3
BlackRock
New York
$40.9M -$1.06M -43,288 -3%
Vanguard Group
4
Vanguard Group
Pennsylvania
$31.1M +$46.8K +1,915 +0.2%
State Street
5
State Street
Massachusetts
$30.5M -$640K -26,198 -3%
DCM
6
Driehaus Capital Management
Illinois
$19.1M +$4.11M +168,104 +37%
Arrowstreet Capital
7
Arrowstreet Capital
Massachusetts
$13.5M +$2.29M +93,626 +27%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$13.3M +$725K +29,666 +7%
Invesco
9
Invesco
Georgia
$13.1M +$10.3M +423,538 New
WANY
10
Wealthspire Advisors (New York)
New York
$9.06M -$3.91M -160,156 -35%
ACH
11
ArrowMark Colorado Holdings
Colorado
$7.12M +$873K +35,727 +18%
N
12
Nuveen
North Carolina
$6.91M -$175K -7,171 -3%
Millennium Management
13
Millennium Management
New York
$6.34M -$2.97M -121,464 -37%
Dimensional Fund Advisors
14
Dimensional Fund Advisors
Texas
$5.67M +$704K +28,819 +19%
DSCM
15
Divisadero Street Capital Management
Florida
$5.45M – – –
Bank of New York Mellon
16
Bank of New York Mellon
New York
$4.49M +$186K +7,597 +6%
Northern Trust
17
Northern Trust
Illinois
$4.3M -$182K -7,461 -5%
Raymond James Financial
18
Raymond James Financial
Florida
$4.09M +$942K +38,570 +41%
UBS Group
19
UBS Group
Switzerland
$3.56M -$590K -24,144 -17%
D.E. Shaw & Co
20
D.E. Shaw & Co
New York
$3.48M +$119K +4,879 +5%
MC
21
Maverick Capital
Texas
$3.45M +$2.73M +111,794 New
Osaic Holdings
22
Osaic Holdings
Arizona
$3.19M +$1.65M +67,406 +188%
SVWAG
23
Sound View Wealth Advisors Group
Georgia
$3.15M +$1.22K +50 +0%
MCG
24
McCollum Christoferson Group
New York
$3.02M +$42.5K +1,740 +2%
Qube Research & Technologies (QRT)
25
Qube Research & Technologies (QRT)
United Kingdom
$3.01M -$2.47M -101,144 -51%
1
2 3 4 5

BYRN Hedge Fund Activity: Q2 2025 in Review

133 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Byrna Technologies (BYRN) for Q2 2025, worth a combined $451M — up 101% from $224M a quarter earlier.

Buyers outnumbered sellers: 38 funds opened new BYRN positions and 33 closed out — a net gain of 5 holders — while 46 added to existing stakes and 33 trimmed.

The largest buyer was Fidelity Investments, adding an estimated $26M. The largest seller was Wealthspire Advisors (New York), cutting an estimated $3.91M.

  • 133 institutional investors held Byrna Technologies (BYRN) as of Q2 2025, up from 129 in Q1 2025.
  • Funds reported $451M of Byrna Technologies stock for Q2 2025, up 101% quarter-over-quarter.
  • 38 funds opened new Byrna Technologies positions in Q2 2025 and 33 closed out, a net change of +5 holders.
  • The largest Byrna Technologies buyer in Q2 2025 was Fidelity Investments, an estimated $26M added.
  • The largest Byrna Technologies seller in Q2 2025 was Wealthspire Advisors (New York), an estimated $3.91M sold.

Based on aggregated 13F filings for Q2 2025.