B
BioSig Technologies, Inc.
STEX • NASDAQ
BioSig Technologies, Inc. is a medical - devices company in the healthcare sector on NASDAQ, with a market cap of $175.9M. As of Q3 2025, 30% of shares are held by 40 institutional investors, with Legacy Wealth Managment, LLC/ID as the largest holder at 21.31%.
Market Cap$175.9M
Medical - Devices
Healthcare
Employees5.0
Websitestreamex.com
Country
United States of America
Overview
Overview of institutional ownership in STEX as of Q3 2025 with a market cap of $203.2M
All Institutions
- Institutions
- 40
- Value Held
- $61.7M
- Shares Held
- 10.7M
- Avg Position
- $1.5M
- Median Position
- $72.4K
Hedge Funds
- Hedge Funds
- 2
- Value Held
- $267.8K
- Shares Held
- 46.5K
- Avg Position
- $133.9K
- Median Position
- $133.9K
Ownership Breakdown
Based on market cap of $203.2M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in STEX as of Q3 2025
| Institution | Position Value |
|---|---|
 Legacy Wealth Managment, LLC/ID RIA/Wealth | $43.3M 20.26% of portfolio |
 VANGUARD GROUP INC Institution | $7.7M 0.00% of portfolio |
$1.7M 0.01% of portfolio | |
 GEODE CAPITAL MANAGEMENT LLC ETF Provider | $1.7M 0.00% of portfolio |
R Rossby Financial, LCC RIA/Wealth | $1.7M 0.56% of portfolio |
P PFG Investments, LLC Institution | $771.8K 0.04% of portfolio |
 SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $740.0K 0.00% of portfolio |
 STATE STREET CORP Institution | $616.6K 0.00% of portfolio |
Q Qube Research & Technologies Ltd Institution | $532.6K 0.00% of portfolio |
G GREENLEAF TRUST Institution | $395.3K 0.00% of portfolio |
Net Capital Flow
Institutional buying and selling activity for STEX in Q3 2025
- Traded
- +$59.9M
- Buyers
- 38
- Sellers
- 1
- Total Bought
- +$60.0M
- Total Sold
- −$148.4K
- Avg Position
- $1.5M
Biggest Buyers
| Institution | Net Bought |
|---|---|
Legacy Wealth Managment, LLC/ID RIA/Wealth | +$43.3M +7.5M shares |
VANGUARD GROUP INC Institution | +$7.7M +1.3M shares |
+$1.7M +301.4K shares | |
GEODE CAPITAL MANAGEMENT LLC ETF Provider | +$1.7M +294.9K shares |
P PFG Investments, LLC Institution | +$771.8K +134.0K shares |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | +$740.0K +128.5K shares |
STATE STREET CORP Institution | +$616.6K +107.0K shares |
Q Qube Research & Technologies Ltd Institution | +$532.6K +92.5K shares |
G GREENLEAF TRUST Institution | +$395.3K +68.6K shares |
J JANE STREET GROUP, LLC Institution | +$377.8K +65.6K shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
R Rossby Financial, LCC RIA/Wealth | −$148.4K −26.5K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited STEX in Q3 2025
- New Positions
- 12
- New Value
- $44.6M
- Exited Positions
- 0
- Exited Value
- -
New Positions
| Institution | Position Value |
|---|---|
Legacy Wealth Managment, LLC/ID RIA/Wealth | $43.3M 7.5M shares |
Q Qube Research & Technologies Ltd Institution | $532.6K 92.5K shares |
G GREENLEAF TRUST Institution | $395.3K 68.6K shares |
Y Y-Intercept Ltd Institution | $252.5K 43.8K shares |
L LPL Financial LLC Institution | $72.7K 12.6K shares |
 BAXTER BROS INC RIA/Wealth | $72.0K 12.5K shares |
 Hanson McClain, Inc. RIA/Wealth | $1.2K 200.0 shares |
S SBI Securities Co., Ltd. Institution | $588.0 102.0 shares |
R Riverview Trust Co Institution | $331.0 60.0 shares |
 PNC FINANCIAL SERVICES GROUP, INC. Institution | $248.0 43.0 shares |
Exited Positions
| Institution | Previous Position |
|---|---|
| No exited positions found | |
Options Activity
Institutions with the largest Call and Put options positions in STEX as of Q3 2025
- Call Positions
- 5
- Call Value
- $2.2M
- Put Positions
- 4
- Put Value
- $647.2K
Call Positions
| Institution | Position Value |
|---|---|
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $1.5M 2.7K contracts |
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $353.1K 613.0 contracts |
W WOLVERINE TRADING, LLC Institution | $142.2K 260.0 contracts |
Legacy Wealth Managment, LLC/ID RIA/Wealth | $118.7K - contracts |
R Rossby Financial, LCC RIA/Wealth | $22.4K 40.0 contracts |
Put Positions
| Institution | Position Value |
|---|---|
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $216.0K 375.0 contracts |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $167.0K 290.0 contracts |
W WOLVERINE TRADING, LLC Institution | $134.6K 246.0 contracts |
J JANE STREET GROUP, LLC Institution | $129.6K 225.0 contracts |
Most Committed Institutions
Institutions with STEX as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
Legacy Wealth Managment, LLC/ID RIA/Wealth | 20.26% $43.3M |
R Rossby Financial, LCC RIA/Wealth | 0.56% $1.7M |
P PFG Investments, LLC Institution | 0.04% $771.8K |
X XTX Topco Ltd Institution | 0.01% $221.5K |
BAXTER BROS INC RIA/Wealth | 0.01% $72.0K |
 Steel Peak Wealth Management LLC RIA/Wealth | 0.01% $201.0K |
Y Y-Intercept Ltd Institution | 0.01% $252.5K |
0.01% $1.7M | |
S SIMPLEX TRADING, LLC Institution | 0.00% $186.8K |
G GREENLEAF TRUST Institution | 0.00% $395.3K |
Hedge Fund Spotlight
Discover hedge funds investing in STEX
S
Squarepoint Ops LLC
Hedge Fund • Quant
Portfolio ManagerMichael Gottlieb
- Portfolio Value
- $46.9B
- Positions
- 2,529
- Last Reported
- Q3 2025
Sector Allocation
B
Position in BioSig Technologies, Inc.
- Market Value
- $70.3K
- Shares Held
- 12.2K
- Portfolio Weight
- 0.00%
- Owned Since
- 2025-Q3
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
ETF ETF | $5.5B | 11.75% | |
Specialty Retail Consumer Cyclical | $983.1M | 2.10% | |
Semiconductors Technology | $935.8M | 2.00% |
