ZBIO
Zenas BioPharma, Inc. Common Stock
stockNASDAQ
Market OpenOct 5, 2026 11:53:04 AM EDT
28.10USD-0.689%(-0.19)127,340
27.96Bid28.24Ask0.28SpreadInteractive Brokers
As of 2026-10-05 11:45:33 AM EDT, there were 250,000 shares available with a fee of 0.62%.
ZBIO Borrow Fee (CTB) · Changes
| Updated1 | Fee2 % | Available | Rebate3 % |
|---|---|---|---|
| 2026-10-05 05:13:29 AM EDT | 0.62 | 250,000 | 3.26 |
| 2026-10-05 04:42:11 AM EDT | 0.62 | 200,000 | 3.26 |
| 2026-10-02 12:34:49 PM EDT | 0.62 | 150,000 | 3.26 |
| 2026-10-02 05:29:29 AM EDT | 0.61 | 150,000 | 3.27 |
| 2026-10-02 04:26:44 AM EDT | 0.61 | 100,000 | 3.27 |
| 2026-10-02 01:34:21 AM EDT | 0.61 | 150,000 | 3.27 |
| 2026-10-02 12:47:24 AM EDT | 0.61 | 10,000 | 3.27 |
| 2026-10-02 12:31:33 AM EDT | 0.61 | 7,000 | 3.27 |
| 2026-10-01 08:39:40 PM EDT | 0.61 | 6,000 | 3.27 |
| 2026-10-01 12:48:56 PM EDT | 0.61 | 9,000 | 3.27 |
| 2026-10-01 11:46:14 AM EDT | 0.61 | 100,000 | 3.27 |
| 2026-10-01 07:35:09 AM EDT | 0.61 | 150,000 | 3.27 |
| 2026-10-01 07:19:14 AM EDT | 0.61 | 100,000 | 3.27 |
| 2026-09-30 12:33:53 PM EDT | 0.61 | 150,000 | 3.27 |
| 2026-09-30 11:31:00 AM EDT | 0.57 | 150,000 | 3.31 |
1 Data from Interactive Brokers. IBKR publishes an updated file every 15 minutes. If there’s no update, there aren’t any shares available.
2 A stock loan fee (a.k.a. borrow fee, borrow rate, or cost to borrow) is a fee charged by a brokerage firm to a client for borrowing shares.
3 A stock loan rebate is a cash payment granted by a brokerage to a customer who lends stock as cash collateral to short sellers. A positive rebate means the lender pays the interest to the broker-dealer; a negative rebate means the security is hard-to-borrow and the broker-dealer pays the interest to the lender.
ZBIO Borrow Fee (CTB)
ZBIO Borrow Fee (CTB) · Data
| Updated1 | Fee2 % | Available | Rebate3 % |
|---|
1 Data from Interactive Brokers. IBKR publishes an updated file every 15 minutes. If there’s no update, there aren’t any shares available.
2 A stock loan fee (a.k.a. borrow fee, borrow rate, or cost to borrow) is a fee charged by a brokerage firm to a client for borrowing shares.
3 A stock loan rebate is a cash payment granted by a brokerage to a customer who lends stock as cash collateral to short sellers. A positive rebate means the lender pays the interest to the broker-dealer; a negative rebate means the security is hard-to-borrow and the broker-dealer pays the interest to the lender.