# BlackRock founder

entity: /record/blackrock.md  
predicate: founder  
page: /record/blackrock/founder  
as_of: 2026-10-31  

As of October 31, 2026, BlackRock's founder on the AsOf record is Susan Wagner, dated January 1, 1988, from 2 secondary sources (barrons.com and blog.thealtinvestor.in). The record holds 1 claim on BlackRock's founder, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.

## Current founder

What the record asserts on 2026-10-31.

- [BlackRock](/record/blackrock.md) | founder | Susan Wagner | valid 1988-01-01 to present | conf 0.80 | valid | [clm_97F043E34C45](/claim/clm_97F043E34C45.md)
  sources: https://www.wikidata.org/wiki/Q219635, https://www.barrons.com/articles/blackrock-co-founder-susan-wagner-sells-stock-51599846033, https://blog.thealtinvestor.in/the-untold-story-of-worlds-largest-asset-manager-blackrock

## Every dated value

One claim per line, oldest first. Superseded claims stay visible.

- [BlackRock](/record/blackrock.md) | founder | Susan Wagner | valid 1988-01-01 to present | conf 0.80 | valid | [clm_97F043E34C45](/claim/clm_97F043E34C45.md)
  sources: https://www.wikidata.org/wiki/Q219635, https://www.barrons.com/articles/blackrock-co-founder-susan-wagner-sells-stock-51599846033, https://blog.thealtinvestor.in/the-untold-story-of-worlds-largest-asset-manager-blackrock

## Questions this record answers

### What is BlackRock's current founder?

Susan Wagner, dated January 1, 1988, from 2 secondary sources (barrons.com and blog.thealtinvestor.in). The record asserts this claim as of October 31, 2026 (status valid, confidence 0.80).


## Get this data

- JSON: /v1/entities/blackrock/founder (this fact) · /v1/entities/blackrock?predicates=founder (with the entity's coverage; add as_of=YYYY-MM-DD for a date)
- MCP: entity_state(entity: "blackrock", predicates: ["founder"], scope: "all")
- Entity twin: /record/blackrock.md · timeline: /timelines/blackrock.md

---

AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.