Federal Data Hub › SEC Fails-to-Deliver · JSON

BLACKROCK SCIENCE & TECHNOLOGY (BST)

Fails-to-deliver · CUSIP 09258G104

Over the rolling 12-month window, securities of BLACKROCK SCIENCE & TECHNOLOGY failed to deliver in the NSCC's Continuous Net Settlement system on 36 settlement days, totaling 17,097 fail shares and peaking at 6,629 shares on 2025-06-27. Persistent or spiking fails-to-deliver can signal delivery stress, naked short selling, or operational settlement problems.

Recent daily fails

Settlement dateFail sharesPrice
2026-09-247,748$49.43
2026-09-17150$47.35
2026-09-1449$50.33
2026-09-08356$50.76
2026-08-271,382$49.67
2026-08-26705$49.55
2026-08-251,593$49.01
2026-08-21951$49.19
2026-08-0621$48.69
2026-08-051,109$48.56
2026-08-04155$47.65
2026-05-27567$47.83
2026-05-19387$44.31
2026-05-133$44.90
2026-05-1141$44.92
2026-05-068$43.56
2026-04-23969$41.73
2026-04-14214$39.94
2026-04-0892$37.12
2026-04-0674$37.20
2026-03-091,546$39.13
2026-02-123$40.85
2026-02-09200$39.56
2026-01-30570$41.21
2026-01-29102$41.20
2026-01-281$41.03
2026-01-0970$40.49
2026-01-08242$40.69
2025-12-221,880$41.24
2025-12-1995$40.21
2025-12-1743$39.90
2025-12-099$41.22
2025-12-089$41.22
2025-12-05225$40.92
2025-11-12192$41.49
2025-11-06234$42.93
2025-10-3122$43.58
2025-10-28215$42.68
2025-10-2079$41.38
2025-10-16239$41.51
2025-09-23700$41.55
2025-09-1718$40.76
2025-09-1520$40.88
2025-09-0922$39.83
2025-08-1810$39.25
2025-06-276,629$37.91
2025-06-091,367$37.40

About this data

A "fail-to-deliver" occurs when a party in a securities trade does not deliver the shares by the settlement date. The SEC publishes twice-monthly files of CNS fails-to-deliver by security. This page aggregates the rolling 12-month window. CUSIP 09258G104 links to this security's other federal filings across the hub.

Source: SEC Fails-to-Deliver Data. License: CC0 1.0.