# APTOSE BIOSCIENCES INC (APTOXXXX)

> Institutional ownership reported to the SEC as of Q4 2024, from Form 13F filings. Source: https://holderbook.com/stocks/APTOXXXX/

- Reporting holders: 21
- Reported value: $892.9K
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [Bleichroeder LP](https://holderbook.com/funds/1781002-bleichroeder-lp/) | $563.2K | 2,500,000 | 0.1% | 1 |
| [Sigma Planning Corp](https://holderbook.com/funds/1449126-sigma-planning-corp/) | $158.5K | 703,384 | 0.0% | 6 |
| [DRW Securities, LLC](https://holderbook.com/funds/1481986-drw-securities-llc/) | $133.6K | 592,829 | 0.0% | 7 |
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $13.0K | 57,827 | 0.0% | 2 |
| [HRT FINANCIAL LP](https://holderbook.com/funds/1475597-hrt-financial-lp/) | $9.0K | 43,112 | 0.0% | 1 |
| [Annandale Capital, LLC](https://holderbook.com/funds/1811739-annandale-capital-llc/) | $6.0K | 26,666 | 0.0% | 2 |
| [Cetera Investment Advisers](https://holderbook.com/funds/1666741-cetera-investment-advisers/) | $4.4K | 19,206 | 0.0% | 4 |
| [TWO SIGMA SECURITIES, LLC](https://holderbook.com/funds/1450144-two-sigma-securities-llc/) | $2.6K | 11,398 | 0.0% | 2 |
| [MORGAN STANLEY](https://holderbook.com/funds/895421-morgan-stanley/) | $1.2K | 5,501 | 0.0% | 7 |
| [US BANCORP \DE\](https://holderbook.com/funds/36104-us-bancorp-de/) | $455 | 2,020 | 0.0% | 7 |
| [Gleason Group, Inc.](https://holderbook.com/funds/1822632-gleason-group-inc/) | $274 | 1,216 | 0.0% | 7 |
| [Newbridge Financial Services Group, Inc.](https://holderbook.com/funds/1879757-newbridge-financial-services-group-inc/) | $187 | 832 | 0.0% | 7 |
| [TD Waterhouse Canada Inc.](https://holderbook.com/funds/1999606-td-waterhouse-canada-inc/) | $154 | 684 | 0.0% | 7 |
| [OSAIC HOLDINGS, INC.](https://holderbook.com/funds/1677044-osaic-holdings-inc/) | $95 | 420 | 0.0% | 7 |
| [HighMark Wealth Management LLC](https://holderbook.com/funds/1802451-highmark-wealth-management-llc/) | $68 | 300 | 0.0% | 7 |
| [NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO](https://holderbook.com/funds/1141802-northwestern-mutual-wealth-management-co/) | $30 | 133 | 0.0% | 7 |
| [SBI Securities Co., Ltd.](https://holderbook.com/funds/1851815-sbi-securities-co-ltd/) | $30 | 135 | 0.0% | 1 |
| [GROUP ONE TRADING LLC](https://holderbook.com/funds/932540-group-one-trading-llc/) | $26 | 115 | 0.0% | 7 |
| [Federation des caisses Desjardins du Quebec](https://holderbook.com/funds/2022297-federation-des-caisses-desjardins-du-quebec/) | $23 | 102 | 0.0% | 7 |
| [Steward Partners Investment Advisory, LLC](https://holderbook.com/funds/1723397-steward-partners-investment-advisory-llc/) | $1 | 3 | 0.0% | 1 |
| [Pacific Capital Wealth Advisors, Inc.](https://holderbook.com/funds/1803523-pacific-capital-wealth-advisors-inc/) | $1 | 6 | 0.0% | 5 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q4 2024 | 21 | $892.9K |
| Q3 2024 | 24 | $1.3M |
| Q2 2024 | 23 | $2.1M |
| Q1 2024 | 25 | $1.8M |
| Q4 2023 | 27 | $3.4M |
| Q3 2023 | 26 | $3.1M |
| Q2 2023 | 23 | $4.5M |