Neuronetics
STIM
95 hedge funds and large institutions have $58.3M invested in Neuronetics in 2025 Q4 according to their latest regulatory filings, with 15 funds opening new positions, 33 increasing their positions, 26 reducing their positions, and 17 closing their positions.
640% more call options, than puts
Call options by funds: $1.66M | Put options by funds: $224K
29.65% more ownership
Funds ownership: 32.04% → 61.69% (+30%)
27% more repeat investments, than reductions
Existing positions increased: 33 | Existing positions reduced: 26
1% more capital invested
Capital invested by funds: $57.8M → $58.3M (+$469K)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
4% less funds holding
Funds holding: 99 → 95 (-4)
12% less first-time investments, than exits
New positions opened: 15 | Existing positions closed: 17
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
LG
Lane Generational
Dover,
Massachusetts
|
+$3.57M |
| 2 |
Jane Street
New York
|
+$1.64M |
| 3 |
Balyasny Asset Management
Chicago,
Illinois
|
+$1.53M |
| 4 |
Renaissance Technologies
New York
|
+$994K |
| 5 |
UBS Group
Zurich,
Switzerland
|
+$925K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Marshall Wace
London,
United Kingdom
|
-$1.34M |
| 2 |
WC
Wexford Capital
West Palm Beach,
Florida
|
-$1.11M |
| 3 |
Millennium Management
New York
|
-$780K |
| 4 |
Morgan Stanley
New York
|
-$752K |
| 5 |
EFI
EHP Funds Inc
Toronto,
Canada
|
-$572K |
STIM Hedge Fund Activity: Q4 2025 in Review
95 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in Neuronetics (STIM) for Q4 2025, worth a combined $58.3M — up 0.81% from $57.8M a quarter earlier.
Sellers outnumbered buyers: 17 funds closed out of STIM and 15 opened new positions — a net loss of 2 holders — while 26 trimmed existing stakes and 33 added.
The largest buyer was Lane Generational, opening a new position worth an estimated $3.57M. The largest seller was Marshall Wace, cutting an estimated $1.34M.
- 95 institutional investors held Neuronetics (STIM) as of Q4 2025, down from 99 in Q3 2025.
- Funds reported $58.3M of Neuronetics stock for Q4 2025, up 0.81% quarter-over-quarter.
- 15 funds opened new Neuronetics positions in Q4 2025 and 17 closed out, a net change of -2 holders.
- The largest Neuronetics buyer in Q4 2025 was Lane Generational, an estimated $3.57M added.
- The largest Neuronetics seller in Q4 2025 was Marshall Wace, an estimated $1.34M sold.
Based on aggregated 13F filings for Q4 2025.