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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
SPIA
76
Steward Partners Investment Advisory
New York
$31 – – –
PS
77
Principal Securities
Iowa
$31 +$45 +5 New
SS
78
Sunbelt Securities
Texas
$21 +$314 +35 New
HI
79
Harbour Investments
Wisconsin
$19 -$134 -15 -83%
MMCM
80
Murphy & Mullick Capital Management
New York
$13 +$9 +1 New
SWIM
81
Smallwood Wealth Investment Management
New Jersey
$12 – – –
Charles Schwab
82
Charles Schwab
California
– -$156K -22,203 Closed
Bank of New York Mellon
83
Bank of New York Mellon
New York
– -$153K -21,879 Closed
AllianceBernstein
84
AllianceBernstein
Tennessee
– -$96.1K -13,718 Closed
XT
85
XTX Topco
Cayman Islands
– -$80.7K -11,522 Closed
Nomura Holdings
86
Nomura Holdings
Japan
– -$80.2K -11,441 Closed
Invesco
87
Invesco
Georgia
– -$77.7K -11,088 Closed
Cetera Investment Advisers
88
Cetera Investment Advisers
Illinois
– -$61.4K -8,763 Closed
ECP
89
Electron Capital Partners
New York
– -$57.2K -8,170 Closed
VPIM
90
Vanguard Personalized Indexing Management
California
– -$56.2K -8,018 Closed
IC
91
IEQ Capital
California
– -$46.6K -6,657 Closed
Skandinaviska Enskilda Banken (SEB)
92
Skandinaviska Enskilda Banken (SEB)
Sweden
– -$43.1K -6,158 Closed
IIM
93
INTECH Investment Management
Florida
– -$32.8K -4,680 Closed
Tudor Investment Corp
94
Tudor Investment Corp
Connecticut
– -$32.1K -4,580 Closed
Mirae Asset Global ETFs Holdings
95
Mirae Asset Global ETFs Holdings
Hong Kong
– -$31.9K -4,550 Closed
Baird Financial Group
96
Baird Financial Group
Wisconsin
– -$31.2K -4,458 Closed
Cerity Partners
97
Cerity Partners
New York
– -$29K -4,133 Closed
GS
98
GWN Securities
Florida
– -$44.9K -4,039 Closed
Balyasny Asset Management
99
Balyasny Asset Management
Illinois
– -$27.1K -3,862 Closed
CF
100
Corebridge Financial
Texas
– -$26.1K -3,719 Closed
2 3
4
5 6

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.