Aptose Biosciences
APTO • NASDAQ
Aptose Biosciences is a biotechnology company in the healthcare sector on NASDAQ, led by Dr. William G. Rice, with a market cap of $6.8M.
Chairman, President and Chief Executive OfficerDr. William G. Rice
Overview
Overview of institutional ownership in APTO as of Q1 2025 with a market cap of $6.8M
All Institutions
- Institutions
- 0
- Value Held
- -
- Shares Held
- -
- Avg Position
- -
- Median Position
- -
Hedge Funds
- Hedge Funds
- 0
- Value Held
- -
- Shares Held
- -
- Avg Position
- -
- Median Position
- -
Ownership Breakdown
Based on market cap of $6.8M as of Q1 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in APTO as of Q1 2025
| Institution | Position Value |
|---|---|
N NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO Institution | - 0.00% of portfolio |
P PACIFIC CAPITAL WEALTH ADVISORS, INC RIA/Wealth | - 0.00% of portfolio |
H HRT FINANCIAL LLC Institution | - 0.00% of portfolio |
 UBS Group AG Institution | - 0.00% of portfolio |
 Federation des caisses Desjardins du Quebec Fund of Funds | - 0.00% of portfolio |
D DRW Securities, LLC Institution | - 0.00% of portfolio |
 PROEQUITIES, INC. RIA/Wealth | - 0.00% of portfolio |
 WELLS FARGO & COMPANY/MN Institution | - 0.00% of portfolio |
 MORGAN STANLEY RIA/Wealth | - 0.00% of portfolio |
- 0.00% of portfolio |
Net Capital Flow
Institutional buying and selling activity for APTO in Q1 2025
- Net Flow
- −$1.4M
- Buyers
- 0
- Sellers
- 23
- Total Bought
- +-
- Total Sold
- −$1.4M
- Avg Position
- -
Biggest Buyers
| Institution | Net Bought | |
|---|---|---|
| No buyers found | ||
Biggest Sellers
| Institution | Net Sold |
|---|---|
 Bleichroeder LP Hedge Fund•Value | −$563.3K −2.5M shares |
H HRT FINANCIAL LLC Institution | −$291.4K −43.1K shares |
 Annandale Capital, LLC RIA/Wealth | −$180.2K −26.7K shares |
 Sigma Planning Corp RIA/Wealth | −$158.5K −703.4K shares |
D DRW Securities, LLC Institution | −$133.6K −592.8K shares |
UBS Group AG Institution | −$13.0K −57.8K shares |
 Cetera Investment Advisers RIA/Wealth | −$4.4K −19.2K shares |
 NATIONS FINANCIAL GROUP INC, /IA/ /ADV RIA/Wealth | −$4.4K −19.5K shares |
T TWO SIGMA SECURITIES, LLC Institution | −$2.6K −11.4K shares |
MORGAN STANLEY RIA/Wealth | −$1.2K −5.5K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited APTO in Q1 2025
- New Positions
- 0
- New Value
- -
- Exited Positions
- 28
- Exited Value
- $1.4M
New Positions
| Institution | Position Value |
|---|---|
| No new positions found | |
Exited Positions
| Institution | Previous Position |
|---|---|
Bleichroeder LP Hedge Fund•Value | $563.3K 2.5M shares |
H HRT FINANCIAL LLC Institution | $291.4K 43.1K shares |
Annandale Capital, LLC RIA/Wealth | $180.2K 26.7K shares |
Sigma Planning Corp RIA/Wealth | $158.5K 703.4K shares |
D DRW Securities, LLC Institution | $133.6K 592.8K shares |
UBS Group AG Institution | $13.0K 57.8K shares |
Cetera Investment Advisers RIA/Wealth | $4.4K 19.2K shares |
NATIONS FINANCIAL GROUP INC, /IA/ /ADV RIA/Wealth | $4.4K 19.5K shares |
T TWO SIGMA SECURITIES, LLC Institution | $2.6K 11.4K shares |
MORGAN STANLEY RIA/Wealth | $1.2K 5.5K shares |
Options Activity
Institutions with the largest Call and Put options positions in APTO as of Q1 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 APTO as the highest % of their portfolio as of Q1 2025
| Institution | Portfolio Weight |
|---|---|
N NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO Institution | 0.00% - |
P PACIFIC CAPITAL WEALTH ADVISORS, INC RIA/Wealth | 0.00% - |
H HRT FINANCIAL LLC Institution | 0.00% - |
UBS Group AG Institution | 0.00% - |
Federation des caisses Desjardins du Quebec Fund of Funds | 0.00% - |
D DRW Securities, LLC Institution | 0.00% - |
PROEQUITIES, INC. RIA/Wealth | 0.00% - |
WELLS FARGO & COMPANY/MN Institution | 0.00% - |
MORGAN STANLEY RIA/Wealth | 0.00% - |
0.00% - |