Stem

STEM • NYSE

Stem is a software - infrastructure company in the technology sector on NYSE, led by Arun Narayanan, with a market cap of $161.3M. As of Q3 2025, 23% of shares are held by 84 institutional investors, with VANGUARD GROUP INC as the largest holder at 4.71%.

Chief Executive OfficerArun Narayanan

Market Cap$161.3M

Software - Infrastructure

Technology

Employees624.0

Websitestem.com

Country

United States of America

Overview

Overview of institutional ownership in STEM as of Q3 2025 with a market cap of $147.0M

All Institutions

Institutions: 84
Value Held: $34.2M
Shares Held: 2.0M
Avg Position: $407.1K
Median Position: $12.3K

Hedge Funds

Hedge Funds: 8
Value Held: $5.7M
Shares Held: 325.3K
Avg Position: $712.5K
Median Position: $629.3K

Ownership Breakdown

Institutional (non-HF)

19.39%

$28.5M

Hedge Funds

3.88%

$5.7M

Retail & Other

76.73%

$112.8M

Based on market cap of $147.0M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in STEM as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
VANGUARD GROUP INC Institution	Salim Ramji CEO	$6.9M 0.00% of portfolio	4.71% 395.2K shares	Q2 2021 Held for 4y 5m	$6.69T
Marshall Wace LLP Institution	Diana Lj Harrison President	$4.3M 0.00% of portfolio	2.91% 243.8K shares	Q2 2025 Held for 5 months	$90.3B
BANK OF AMERICA CORP /DE/ Institution	Brian T. Moynihan CEO	$3.8M 0.00% of portfolio	2.60% 217.9K shares	Q2 2021 Held for 4y 5m	$1.33T
B BlackRock, Inc. Institution	-	$2.4M 0.00% of portfolio	1.66% 139.4K shares	Q2 2021 Held for 4y 5m	$5.67T
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy	Scott David Hoffman CEO	$1.6M 0.00% of portfolio	1.12% 94.0K shares	Q4 2021 Held for 3y 11m	$62.0B
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	-	$1.5M 0.00% of portfolio	1.04% 87.0K shares	Q2 2021 Held for 4y 5m	$67.9B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$1.5M 0.00% of portfolio	1.03% 86.4K shares	Q2 2021 Held for 4y 5m	$1.57T
UBS Group AG Institution	Sergio P. Ermotti CEO	$1.1M 0.00% of portfolio	0.76% 64.0K shares	Q2 2021 Held for 4y 5m	$511.54B
Point72 Asset Management, L.P. Hedge Fund•Multi-Strategy	Steven Alan Cohen CEO	$917.9K 0.00% of portfolio	0.62% 52.4K shares	Q3 2025 Held for 2 months	$43.2B
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	Kenneth Cordele Griffin CEO	$776.8K 0.00% of portfolio	0.53% 44.3K shares	Q2 2021 Held for 4y 5m	$122.08B

Net Capital Flow

Institutional buying and selling activity for STEM in Q3 2025

Traded: +$8.2M
Buyers: 49
Sellers: 33
Total Bought: +$12.2M
Total Sold: −$4.0M
Avg Position: $341.9K

Biggest Buyers

Institution	Net Bought	Current Position
Marshall Wace LLP Institution	+$3.7M +213.7K shares	$4.3M 243.8K shares
BANK OF AMERICA CORP /DE/ Institution	+$1.9M +111.1K shares	$3.8M 217.9K shares
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy	+$1.4M +77.3K shares	$1.6M 94.0K shares
Point72 Asset Management, L.P. Hedge Fund•Multi-Strategy	+$917.9K +52.4K shares	$917.9K 52.4K shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	+$776.8K +44.3K shares	$776.8K 44.3K shares
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	+$526.8K +30.1K shares	$526.8K 30.1K shares
Susquehanna Portfolio Strategies, LLC Private Equity	+$469.2K +26.8K shares	$469.2K 26.8K shares
TWO SIGMA ADVISERS, LLC Hedge Fund•Multi-Strategy	+$450.1K +25.7K shares	$450.1K 25.7K shares
K Keyframe Capital Partners, L.P. Hedge Fund•Distressed	+$441.3K +25.2K shares	$441.3K 25.2K shares
X XTX Topco Ltd Institution	+$398.0K +22.7K shares	$398.0K 22.7K shares

Biggest Sellers

Institution	Net Sold	Current Position
B BlackRock, Inc. Institution	−$673.7K −38.5K shares	$2.4M 139.4K shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$663.0K −37.8K shares	$731.8K 41.8K shares
CITIGROUP INC Institution	−$436.2K −24.9K shares	$639.2K 36.5K shares
G GROUP ONE TRADING, L.P. Institution	−$335.5K −19.1K shares	$93.0K 5.3K shares
AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$301.8K −48.4K shares	Sold Off 0 shares
UBS Group AG Institution	−$277.2K −15.8K shares	$1.1M 64.0K shares
J JANE STREET GROUP, LLC Institution	−$273.1K −43.8K shares	Sold Off 0 shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	−$242.1K −13.8K shares	$1.5M 87.0K shares
B BNP PARIBAS ARBITRAGE, SA Institution	−$186.6K −10.6K shares	$242.0K 13.8K shares
Lido Advisors, LLC RIA/Wealth	−$139.5K −22.4K shares	Sold Off 0 shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited STEM in Q3 2025

New Positions: 5
New Value: $503.5K
Exited Positions: 16
Exited Value: $1.0M

New Positions

Institution	Position Value
K Keyframe Capital Partners, L.P. Hedge Fund•Distressed	$441.3K 25.2K shares
P Point72 Asia Pte. Ltd. Institution	$57.6K 3.3K shares
Hurley Capital, LLC RIA/Wealth	$4.3K 245.0 shares
SRS Capital Advisors, Inc. RIA/Wealth	$140.0 8.0 shares
Painted Porch Advisors LLC RIA/Wealth	$123.0 7.0 shares

Exited Positions

Institution	Previous Position
AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy	$301.8K 48.4K shares
J JANE STREET GROUP, LLC Institution	$273.1K 43.8K shares
Lido Advisors, LLC RIA/Wealth	$139.5K 22.4K shares
Jain Global LLC Hedge Fund•Multi-Strategy	$94.7K 15.2K shares
Rock Point Advisors, LLC RIA/Wealth	$73.8K 11.8K shares
A AXQ CAPITAL, LP Hedge Fund•Market Neutral	$71.9K 11.5K shares
H HRT FINANCIAL LLC Institution	$69.8K 11.2K shares
RAYMOND JAMES FINANCIAL INC RIA/Wealth	$10.3K 1.7K shares
L LEGAL & GENERAL GROUP PLC Institution	$243.0 39.0 shares
Caitong International Asset Management Co., Ltd RIA/Wealth	$206.0 33.0 shares

Options Activity

Institutions with the largest Call and Put options positions in STEM as of Q3 2025

Call Positions: 7
Call Value: $6.9M
Put Positions: 8
Put Value: $7.8M

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$5.4M 3.1K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$684.2K 390.5 contracts
J JANE STREET GROUP, LLC Institution	$521.3K 297.6 contracts
S Skaana Management L.P. Hedge Fund•Convert Bond Arb	$262.8K 150.0 contracts
B Belvedere Trading LLC Institution	$53.0K 565.0 contracts
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	$12.3K 7.0 contracts
W WOLVERINE TRADING, LLC Institution	- - contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$5.0M 2.9K contracts
C CSS LLC/IL Institution	$1.2M 700.3 contracts
WOLVERINE ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	$515.1K 294.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$462.4K 264.0 contracts
J JANE STREET GROUP, LLC Institution	$313.4K 178.9 contracts
B Belvedere Trading LLC Institution	$269.0K 220.0 contracts
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	$21.0K 12.0 contracts
W WOLVERINE TRADING, LLC Institution	- - contracts

Most Committed Institutions

Institutions with STEM as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
K Keyframe Capital Partners, L.P. Hedge Fund•Distressed	John Ross Rapaport CIO	1.08% $441.3K	0.30% 25.2K shares	Q3 2025 Held for 2 months	$40.8M
X XTX Topco Ltd Institution	-	0.02% $398.0K	0.27% 22.7K shares	Q3 2024 Held for 1y 2m	$1.9B
GSA CAPITAL PARTNERS LLP Hedge Fund•Quant	David Khabie-Zeitoune CEO	0.02% $207.4K	0.14% 11.8K shares	Q3 2025 Held for 2 months	$1.1B
V Virtu Financial LLC Institution	-	0.01% $225.2K	0.15% 12.9K shares	Q2 2025 Held for 5 months	$1.6B
P Point72 Asia Pte. Ltd. Institution	-	0.01% $57.6K	0.04% 3.3K shares	Q3 2025 Held for 2 months	$645.8M
Susquehanna Portfolio Strategies, LLC Private Equity	-	0.01% $469.2K	0.32% 26.8K shares	Q3 2025 Held for 2 months	$6.3B
B BRIDGEWAY CAPITAL MANAGEMENT INC Long Only Manager	John Noland Ryan Montgomery CEO	0.01% $273.3K	0.19% 15.6K shares	Q2 2025 Held for 5 months	$4.7B
Marshall Wace LLP Institution	Diana Lj Harrison President	0.00% $4.3M	2.91% 243.8K shares	Q2 2025 Held for 5 months	$90.3B
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	William Dunning England CEO	0.00% $526.8K	0.36% 30.1K shares	Q3 2025 Held for 2 months	$11.2B
G GROUP ONE TRADING, L.P. Institution	-	0.00% $93.0K	0.06% 5.3K shares	Q1 2024 Held for 1y 8m	$3.3B

Hedge Fund Spotlight

Discover hedge funds investing in STEM

CITADEL ADVISORS LLC

Hedge Fund • Multi-Strategy

Portfolio ManagerKenneth Cordele Griffin

Portfolio Value: $122.08B
Positions: 5,531
Last Reported: Q3 2025

Sector Allocation

Position in Stem

Market Value: $776.8K
Shares Held: 44.3K
Portfolio Weight: 0.00%
Owned Since: 2021-Q2

Top Holding	Sector	Market Value	Weight
1 Microsoft MSFT	Software - Infrastructure Technology	$2.1B	1.68%
2 Nvidia NVDA	Semiconductors Technology	$1.8B	1.50%
3 Meta Platforms, Inc. META	Internet Content & Information Communication Services	$1.4B	1.18%