HoldingsChannel.com
On this page, we present all of the funds holding ABIO from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding ABIO, with a link to that fund's top holdings. The next columns indicate the amount of ABIO stock held by each of the funds holding ABIO, followed by the ABIO position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 26 funds holding ABIO within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by Cable Car Capital LLC. For more details on the positions held by Cable Car Capital LLC (or by any of the other funds holding ABIO), click the fund name in the "Holder" column of the funds-holding-ABIO table below.
| Holder | Amount | Position Size ($ in 1000's) | As of |
|---|---|---|---|
 Cable Car Capital LLC | 4,000,452 | $6,801 | 12/31/2023 |
| ABIO | 4,000,452 | $6,801 | 12/31/2023 |
| Western Standard LLC | 1,410,143 | $2,397 | 12/31/2023 |
| ABIO | 1,410,143 | $2,397 | 12/31/2023 |
| BML Capital Management LLC | 706,930 | $1,244 | 03/31/2024 |
| ABIO | 706,930 | $1,244 | 03/31/2024 |
| Vanguard Group Inc. | 453,598 | $771 | 12/31/2023 |
| ABIO | 453,598 | $771 | 12/31/2023 |
| Newtyn Management LLC | 269,320 | $458 | 12/31/2023 |
| ABIO | 269,320 | $458 | 12/31/2023 |
| BlackRock Inc. | 231,911 | $394 | 12/31/2023 |
| ABIO | 231,911 | $394 | 12/31/2023 |
| Geode Capital Management LLC | 142,349 | $242 | 12/31/2023 |
| ABIO | 142,349 | $242 | 12/31/2023 |
| State Street Corp | 71,137 | $121 | 12/31/2023 |
| ABIO | 71,137 | $121 | 12/31/2023 |
| Renaissance Technologies LLC | 57,299 | $97 | 12/31/2023 |
| ABIO | 57,299 | $97 | 12/31/2023 |
| Dimensional Fund Advisors LP | 42,514 | $72 | 12/31/2023 |
| ABIO | 42,514 | $72 | 12/31/2023 |
| Standard Life Aberdeen plc | 32,461 | $55 | 12/31/2023 |
| ABIO | 32,461 | $55 | 12/31/2023 |
| Northern Trust Corp | 20,982 | $36 | 12/31/2023 |
| ABIO | 20,982 | $36 | 12/31/2023 |
 Susquehanna International Group LLP | $27 | 12/31/2023 | |
| Call | 15,600 | $27 | 12/31/2023 |
| Charles Schwab Investment Management Inc. | 14,988 | $25 | 12/31/2023 |
| ABIO | 14,988 | $25 | 12/31/2023 |
| Citadel Advisors LLC | $21 | 12/31/2023 | |
| ABIO | 6,320 | $11 | 12/31/2023 |
| Call | 5,900 | $10 | 12/31/2023 |
| Put | 100 | $0 | 12/31/2023 |
| Two Sigma Securities LLC | 12,119 | $21 | 12/31/2023 |
| ABIO | 12,119 | $21 | 12/31/2023 |
| Tower Research Capital LLC TRC | 3,023 | $5 | 12/31/2023 |
| ABIO | 3,023 | $5 | 12/31/2023 |
| UBS Group AG | 1,131 | $2 | 12/31/2023 |
| ABIO | 1,131 | $2 | 12/31/2023 |
| JPMorgan Chase & Co. | 16 | $0 | 12/31/2023 |
| ABIO | 16 | $0 | 12/31/2023 |
| Bank of America Corp DE | 43 | $0 | 12/31/2023 |
| ABIO | 43 | $0 | 12/31/2023 |
| Wells Fargo & Company MN | 79 | $0 | 12/31/2023 |
| ABIO | 79 | $0 | 12/31/2023 |
| Proequities Inc. | $0 | 12/31/2023 | |
| Put | 0 | $0 | 12/31/2023 |
| ABIO | 0 | $0 | 12/31/2023 |
| Call | 0 | $0 | 12/31/2023 |
| Royal Bank of Canada | 56 | $0 | 12/31/2023 |
| ABIO | 56 | $0 | 12/31/2023 |
| Simplex Trading LLC | $0 | 12/31/2023 | |
| Put | 500 | $0 | 12/31/2023 |
| ABIO | 100 | $0 | 12/31/2023 |
| Advisor Group Holdings Inc. | 55 | $0 | 12/31/2023 |
| ABIO | 55 | $0 | 12/31/2023 |
| Parallel Advisors LLC | 244 | $0 | 12/31/2023 |
| ABIO | 244 | $0 | 12/31/2023 |
| Qube Research & Technologies Ltd | 50 | $0 | 12/31/2023 |
| ABIO | 50 | $0 | 12/31/2023 |
See Summary: Institutional Holders of ABIO
See Details: Top 10 Hedge Funds Holding ABIO
Also See: ABIO Insider Buying
Also See: ABIO Holdings Changes
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