78 hedge funds and large institutions have $9.99M invested in Stem in 2025 Q2 according to their latest regulatory filings, with 14 funds opening new positions, 15 increasing their positions, 40 reducing their positions, and 89 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

less ownership

Funds ownership:

less capital invested

Capital invested by funds: $ → $

less funds holding

Funds holding:

63% less repeat investments, than reductions

Existing positions increased: 15 | Existing positions reduced: 40

84% less first-time investments, than exits

New positions opened: 14 | Existing positions closed: 89

Holders
78
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$6.11M
Puts
$3.06M
Net Calls
Net Calls Change

Top Buyers

1 +$629K
2 +$487K
3 +$357K
4
Marshall Wace
Marshall Wace
United Kingdom
+$187K
5
Jane Street
Jane Street
New York
+$179K

Top Sellers

1 -$2.35M
2 -$744K
3 -$626K
4
Vanguard Group
Vanguard Group
Pennsylvania
-$274K
5
Northern Trust
Northern Trust
Illinois
-$264K
Name Holding Trade Value Shares
Change
Change in
Stake
Cambridge Investment Research Advisors
126
Cambridge Investment Research Advisors
Iowa
KFGK
127
Keystone Financial Group (Kentucky)
Kentucky
BBA
128
Baader Bank Aktiengesellschaft
Germany
Corient Private Wealth
129
Corient Private Wealth
Florida
TSS
130
Two Sigma Securities
New York
MFG
131
Merit Financial Group
Georgia
HSA
132
HBK Sorce Advisory
Pennsylvania
FCP
133
Fidelis Capital Partners
Florida
MIM
134
MTM Investment Management
South Carolina
Focus Partners Wealth
135
Focus Partners Wealth
Massachusetts
WANY
136
Wealthspire Advisors (New York)
New York
AIP
137
Ameritas Investment Partners
Nebraska
NFTC
138
North Forty Two & Co
Oregon
PCP
139
Proficio Capital Partners
Massachusetts
LCM
140
Lazari Capital Management
California
DCM
141
Deuterium Capital Management
Florida
William Blair & Company
142
William Blair & Company
Illinois
MWM
143
Maridea Wealth Management
New York
CA
144
Claro Advisors
Massachusetts
Prudential Financial
145
Prudential Financial
New Jersey
IWM
146
IHT Wealth Management
Illinois
Principal Financial Group
147
Principal Financial Group
Iowa
California State Teachers Retirement System (CalSTRS)
148
California State Teachers Retirement System (CalSTRS)
California
Wolverine Trading
149
Wolverine Trading
Illinois
CCP
150
Clarity Capital Partners
California