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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.

New
Increased
Maintained
Reduced
Closed

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

Holders
81
Holders Change
-73
Holders Change %
-47.4%
% of All Funds
1.07%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
16
Increased
14
Reduced
42
Closed
88
Calls
$6.11M
Puts
$3.06M
Net Calls
+$3.06M
Net Calls Change
+$2.82M

Top Buyers

Rank Fund Capital Flow
1
Bank of America
Bank of America
North Carolina
+$905K
2
Millennium Management
Millennium Management
New York
+$701K
3
Susquehanna International Group
Susquehanna International Group
Pennsylvania
+$513K
4
Marshall Wace
Marshall Wace
United Kingdom
+$270K
5
Jane Street
Jane Street
New York
+$258K

Top Sellers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
-$3.38M
2
State Street
State Street
Massachusetts
-$1.07M
3
Geode Capital Management
Geode Capital Management
Massachusetts
-$901K
4
Vanguard Group
Vanguard Group
Pennsylvania
-$395K
5
Northern Trust
Northern Trust
Illinois
-$380K
Name Holding Trade Value Shares
Change 		Change in
Stake
Wolverine Trading
151
Wolverine Trading
Illinois
– -$4.74K -529 Closed
CCM
152
Chickasaw Capital Management
Tennessee
– -$4K -500 Closed
CCP
153
Clarity Capital Partners
California
– -$3.5K -500 Closed
JIC
154
Johnson Investment Counsel
Ohio
– -$3.5K -500 Closed
AB
155
Amalgamated Bank
New York
– -$2K -263 Closed
SCM
156
Sterling Capital Management
North Carolina
– -$956 -136 Closed
GIA
157
GHP Investment Advisors
Colorado
– -$488 -70 Closed
CCM
158
Coldstream Capital Management
Washington
– -$486 -69 Closed
RA
159
Rise Advisors
New York
– -$356 -51 Closed
WSFS
160
Wilmington Savings Fund Society
Delaware
– -$245 -35 Closed
PA
161
PSI Advisors
Florida
– -$105 -15 Closed
GEA
162
Glen Eagle Advisors
New Jersey
– -$93 -13 Closed
Bank of Montreal
163
Bank of Montreal
Ontario, Canada
– -$71 -10 Closed
LWMI
164
Legacy Wealth Management (Idaho)
Idaho
– -$71 -10 Closed
MG
165
Mather Group
Illinois
– -$70 -10 Closed
SW
166
SVB Wealth
Massachusetts
– -$70 -10 Closed
NA
167
NewEdge Advisors
Louisiana
– -$55 -8 Closed
SIS
168
Sound Income Strategies
Florida
– -$35 -5 Closed
MTIC
169
Missouri Trust & Investment Company
Missouri
– -$19 -3 Closed
3 4 5 6
7

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.