---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-013503"
form_type: "8-K"
ticker: "BLK"
cik: "0002012383"
company_name: "BlackRock, Inc."
filed_at: "2026-01-15T23:59:59+00:00"
generated_at: "2026-05-16T10:13:51.310026+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "medium"
source: SEC EDGAR
---

# BlackRock Q4 2025 AUM $14.0T; base fees and securities lending $5.3B, up 20% YoY

## Summary
- AUM of $14.0 trillion as of Dec 31, 2025; long-term organic asset growth rate of 6% LTM.
- Q4 2025 base fees and securities lending revenue $5.3B, up 20% YoY; total revenue up 23% YoY.
- Performance fees rose 67% YoY and 46% sequentially; tech services revenue up 24% YoY.
- Full year 2025 revenue increased 19% YoY; as-adjusted expenses also up 19%.
- Weighted-average diluted shares impacted by shares issued for HPS and GIP acquisitions.

## SEC filing metadata
- accession: 0001193125-26-013503
- form_type: 8-K
- ticker: BLK
- cik: 0002012383
- company_name: BlackRock, Inc.
- filed_at: 2026-01-15T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: medium
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2012383/000119312526013503/0001193125-26-013503-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2012383/000119312526013503/blk-20260115.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-013503
- JSON: https://secwatch.observer/filing/0001193125-26-013503.json
- Plain text: https://secwatch.observer/filing/0001193125-26-013503.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.