Stem
STEM
81 hedge funds and large institutions have $10.1M invested in Stem in 2025 Q2 according to their latest regulatory filings, with 16 funds opening new positions, 14 increasing their positions, 42 reducing their positions, and 88 closing their positions.
100% more call options, than puts
Call options by funds: $6.11M | Put options by funds: $3.06M
0.76% less ownership
Funds ownership: 1.41% → 0.65% (-0.76%)
38% less capital invested
Capital invested by funds: $16.2M → $10.1M (-$6.12M)
47% less funds holding
Funds holding: 154 → 81 (-73)
67% less repeat investments, than reductions
Existing positions increased: 14 | Existing positions reduced: 42
82% less first-time investments, than exits
New positions opened: 16 | Existing positions closed: 88
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Bank of America
Charlotte,
North Carolina
|
+$905K |
| 2 |
Millennium Management
New York
|
+$701K |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$513K |
| 4 |
Marshall Wace
London,
United Kingdom
|
+$270K |
| 5 |
Jane Street
New York
|
+$258K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$3.38M |
| 2 |
State Street
Boston,
Massachusetts
|
-$1.07M |
| 3 |
Geode Capital Management
Boston,
Massachusetts
|
-$901K |
| 4 |
Vanguard Group
Malvern,
Pennsylvania
|
-$395K |
| 5 |
Northern Trust
Chicago,
Illinois
|
-$380K |
STEM Hedge Fund Activity: Q2 2025 in Review
81 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Stem (STEM) for Q2 2025, worth a combined $10.1M — down 38% from $16.2M a quarter earlier.
Sellers outnumbered buyers: 88 funds closed out of STEM and 16 opened new positions — a net loss of 72 holders — while 42 trimmed existing stakes and 14 added.
The largest buyer was Bank of America, adding an estimated $905K. The largest seller was BlackRock, cutting an estimated $3.38M.
- 81 institutional investors held Stem (STEM) as of Q2 2025, down from 154 in Q1 2025.
- Funds reported $10.1M of Stem stock for Q2 2025, down 38% quarter-over-quarter.
- 16 funds opened new Stem positions in Q2 2025 and 88 closed out, a net change of -72 holders.
- The largest Stem buyer in Q2 2025 was Bank of America, an estimated $905K added.
- The largest Stem seller in Q2 2025 was BlackRock, an estimated $3.38M sold.
Based on aggregated 13F filings for Q2 2025.