Pulse Biosciences
PLSE
86 hedge funds and large institutions have $90.3M invested in Pulse Biosciences in 2025 Q2 according to their latest regulatory filings, with 11 funds opening new positions, 30 increasing their positions, 28 reducing their positions, and 9 closing their positions.
22% more first-time investments, than exits
New positions opened: 11 | Existing positions closed: 9
19% more call options, than puts
Call options by funds: $653K | Put options by funds: $550K
2% more funds holding
Funds holding: 84 → 86 (+2)
7% more repeat investments, than reductions
Existing positions increased: 30 | Existing positions reduced: 28
0.37% less ownership
Funds ownership: 9.26% → 8.9% (-0.37%)
2% less capital invested
Capital invested by funds: $91.7M → $90.3M (-$1.38M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Group
Malvern,
Pennsylvania
|
+$6.32M |
| 2 |
Morgan Stanley
New York
|
+$751K |
| 3 |
Geode Capital Management
Boston,
Massachusetts
|
+$560K |
| 4 |
XT
XTX Topco
George Town,
Cayman Islands
|
+$512K |
| 5 |
QC
Quadrature Capital
London,
United Kingdom
|
+$425K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
-$1.39M |
| 2 |
Renaissance Technologies
New York
|
-$1.09M |
| 3 |
Squarepoint
New York
|
-$827K |
| 4 |
Goldman Sachs
New York
|
-$456K |
| 5 |
PC
Panoramic Capital
Larkspur,
California
|
-$437K |
PLSE Hedge Fund Activity: Q2 2025 in Review
86 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Pulse Biosciences (PLSE) for Q2 2025, worth a combined $90.3M — down 1.5% from $91.7M a quarter earlier.
Buyers outnumbered sellers: 11 funds opened new PLSE positions and 9 closed out — a net gain of 2 holders — while 30 added to existing stakes and 28 trimmed.
The largest buyer was Vanguard Group, adding an estimated $6.32M. The largest seller was Millennium Management, exiting entirely with an estimated $1.39M sold.
- 86 institutional investors held Pulse Biosciences (PLSE) as of Q2 2025, up from 84 in Q1 2025.
- Funds reported $90.3M of Pulse Biosciences stock for Q2 2025, down 1.5% quarter-over-quarter.
- 11 funds opened new Pulse Biosciences positions in Q2 2025 and 9 closed out, a net change of +2 holders.
- The largest Pulse Biosciences buyer in Q2 2025 was Vanguard Group, an estimated $6.32M added.
- The largest Pulse Biosciences seller in Q2 2025 was Millennium Management, an estimated $1.39M sold.
Based on aggregated 13F filings for Q2 2025.