BLK - BLACKROCK INC
This page shows which of the focused investors we track hold BLK and how their positions changed, so you can see how much conviction the group has in the stock.
In Q3 2025 it was held by 8 managers with an aggregate reported value of $1.65B, which is 0.14% of the combined portfolio.
As of Q3 2025, 8 tracked institutional managers held BLK (BLACKROCK INC) with an aggregate reported value of $1.65B — 0.14% of the combined AlphaBaseline portfolio.
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- Source
- Curated SEC 13F filings
- Period
- Q3 2025
- Ticker
- BLK
13F data is delayed and excludes shorts/non-13F assets.
Holders
| 1 | Viking Global Investors - Viking Global Investors | 1.88% | Add +217.5% | 619,492 | $722.25M |
| 2 | William Von Mueffling - Cantillon Capital Management | 3.28% | Reduce -1.1% | 510,402 | $595.06M |
| 3 | Thomas Gayner - Markel Asset Management | 2.08% | - | 220,200 | $256.72M |
| 4 | Bill Nygren - Oakmark Funds | 0.12% | Reduce -74.4% | 66,698 | $77.76M |
| 5 | Dodge & Cox - Dodge & Cox | 0.00% | - | 655 | $763.65K |
| 6 | Hillman Value Fund - Hillman Value Fund | 0.23% | Reduce -5.8% | 342 | $398.73K |
| 7 | Mairs & Power Growth Fund - Mairs & Power Growth Fund | 0.00% | New | 331 | $385.9K |
| 8 | Ruane Cunniff LP - Ruane Cunniff LP | 0.00% | New | 186 | $216.85K |
Loading holder history for BLK…