Stem
STEM
156 hedge funds and large institutions have $16.2M invested in Stem in 2025 Q1 according to their latest regulatory filings, with 30 funds opening new positions, 39 increasing their positions, 43 reducing their positions, and 15 closing their positions.
133% more call options, than puts
Call options by funds: $413K | Put options by funds: $177K
100% more first-time investments, than exits
New positions opened: 30 | Existing positions closed: 15
10% more funds holding
Funds holding: 142 → 156 (+14)
9% less repeat investments, than reductions
Existing positions increased: 39 | Existing positions reduced: 43
3.38% less ownership
Funds ownership: 31.49% → 28.11% (-3.4%)
62% less capital inflows, than outflows
Capital inflows: $1.86M | Capital outflows: $4.87M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AQR Capital Management
Greenwich,
Connecticut
|
+$717K |
| 2 |
Geode Capital Management
Boston,
Massachusetts
|
+$179K |
| 3 |
Vanguard Group
Malvern,
Pennsylvania
|
+$125K |
| 4 |
IEQ Capital
Foster City,
California
|
+$77.1K |
| 5 |
Jane Street
New York
|
+$71K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
-$1.73M |
| 2 |
PGCM
Prescott Group Capital Management
Tulsa,
Oklahoma
|
-$469K |
| 3 |
Morgan Stanley
New York
|
-$293K |
| 4 |
Collar Capital Management
Appleton,
Wisconsin
|
-$223K |
| 5 |
Wells Fargo
San Francisco,
California
|
-$215K |
STEM Hedge Fund Activity: Q1 2025 in Review
156 of the 7,484 institutional investors tracked by Wall St. Rank reported a position in Stem (STEM) for Q1 2025, worth a combined $16.2M — down 48% from $30.9M a quarter earlier.
Buyers outnumbered sellers: 30 funds opened new STEM positions and 15 closed out — a net gain of 15 holders — while 39 added to existing stakes and 43 trimmed.
The largest buyer was AQR Capital Management, adding an estimated $717K. The largest seller was UBS Group, cutting an estimated $1.73M.
- 156 institutional investors held Stem (STEM) as of Q1 2025, up from 142 in Q4 2024.
- Funds reported $16.2M of Stem stock for Q1 2025, down 48% quarter-over-quarter.
- 30 funds opened new Stem positions in Q1 2025 and 15 closed out, a net change of +15 holders.
- The largest Stem buyer in Q1 2025 was AQR Capital Management, an estimated $717K added.
- The largest Stem seller in Q1 2025 was UBS Group, an estimated $1.73M sold.
Based on aggregated 13F filings for Q1 2025.