Bluejay Diagnostics
Bluejay Diagnostics is a medical - devices company in the healthcare sector on NASDAQ, with a market cap of $1.7M. As of Q3 2025, 6% of shares are held by 4 institutional investors, with DRW Securities, LLC as the largest holder at 4.0%.
Overview
Overview of institutional ownership in BJDX as of Q3 2025 with a market cap of $2.3M
All Institutions
- Institutions
- 4
- Value Held
- $142.7K
- Shares Held
- 93.9K
- Avg Position
- $35.7K
- Median Position
- $25.9K
Hedge Funds
- Hedge Funds
- 0
- Value Held
- -
- Shares Held
- -
- Avg Position
- -
- Median Position
- -
Ownership Breakdown
Based on market cap of $2.3M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in BJDX as of Q3 2025
| Institution | Position Value |
|---|---|
D DRW Securities, LLC Institution | $90.8K 0.00% of portfolio |
S SABBY MANAGEMENT, LLC Institution | $45.0K 0.24% of portfolio |
T Tower Research Capital LLC Institution | $6.8K 0.00% of portfolio |
 BANK OF AMERICA CORP /DE/ Institution | $18.0 0.00% of portfolio |
 UBS Group AG Institution | - 0.00% of portfolio |
 CITIGROUP INC Institution | - 0.00% of portfolio |
Net Capital Flow
Institutional buying and selling activity for BJDX in Q3 2025
- Traded
- −$8.0K
- Buyers
- 3
- Sellers
- 3
- Total Bought
- +$94.2K
- Total Sold
- −$102.1K
- Avg Position
- $23.8K
Biggest Buyers
| Institution | Net Bought |
|---|---|
D DRW Securities, LLC Institution | +$90.8K +59.8K shares |
T Tower Research Capital LLC Institution | +$3.3K +2.2K shares |
BANK OF AMERICA CORP /DE/ Institution | +$10.5 +7.0 shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
S SABBY MANAGEMENT, LLC Institution | −$100.9K −66.4K shares |
UBS Group AG Institution | −$764.0 −444.0 shares |
CITIGROUP INC Institution | −$415.0 −241.0 shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited BJDX in Q3 2025
- New Positions
- 1
- New Value
- $90.8K
- Exited Positions
- 2
- Exited Value
- $1.2K
New Positions
| Institution | Position Value |
|---|---|
D DRW Securities, LLC Institution | $90.8K 59.8K shares |
Exited Positions
| Institution | Previous Position |
|---|---|
UBS Group AG Institution | $764.0 444.0 shares |
CITIGROUP INC Institution | $415.0 241.0 shares |
Options Activity
Institutions with the largest Call and Put options positions in BJDX as of Q3 2025
- Call Positions
- 0
- Call Value
- -
- Put Positions
- 0
- Put Value
- -
Call Positions
| Institution | Position Value |
|---|---|
| No call positions found | |
Put Positions
| Institution | Position Value |
|---|---|
| No put positions found | |
Most Committed Institutions
Institutions with BJDX as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
S SABBY MANAGEMENT, LLC Institution | 0.24% $45.0K |
D DRW Securities, LLC Institution | 0.00% $90.8K |
T Tower Research Capital LLC Institution | 0.00% $6.8K |
BANK OF AMERICA CORP /DE/ Institution | 0.00% $18.0 |
UBS Group AG Institution | 0.00% - |
CITIGROUP INC Institution | 0.00% - |