BLK
Blackrock Inc
7 of the 83 super-investors we track hold BLK, worth a combined $1.89B per their latest 13F filings. The largest position: Jeffrey Ubben et al at 9.9% of their portfolio. This quarter the cohort logged 0 buys and 1 sell on the name. Conviction score: 27 of 100 (how strongly the cohort backs it) — ranked #473 of 742 stocks.
Why super-investors own BLK
BLK is held by 7 super-investors in our cohort, with a combined position value of $1.9B. The highest-conviction owner is Jeffrey Ubben et al at 9.9% of their portfolio. Cohort ownership has shrunk from 8 to 7 over the last four quarters — net interest is fading. This quarter the cohort registered 1 trimmed.
AI-synthesized from 13F filings. Not investment advice.
Cohort owners over time
2024Q4 → 2026Q2How many of the cohort members held this stock each quarter.
Owners (7) · click any column to sort
| #↑ | Manager | % Port. | History | Value | Shares |
|---|---|---|---|---|---|
| 1 | Joel Greenblatt | 0.6% | 7q | $1.06B | 1,097,186 |
| 2 | Jeffrey Ubben et al | 9.9% | 3q | $559M | 581,700 |
| 3 | Thomas Gayner | 1.6% | 7q | $212M | 220,200 |
| 4 | Bill Nygren | 0.1% | 7q | $43M | 44,575 |
| 5 | William Von Mueffling | 3.0% | 7q | $20M | 20,873 |
| 6 | Dodge & Cox Funds | 0.0% | 7q | $684K | 711 |
| 7 | Hillman Capital Management | 0.2% | 7q | $330K | 343 |
- 1Joel Greenblattport0.6%val$1.06B1,097,186 sh·7q held
- 2Jeffrey Ubben et alport9.9%val$559M581,700 sh·3q held
- 3Thomas Gaynerport1.6%val$212M220,200 sh·7q held
- 4Bill Nygrenport0.1%val$43M44,575 sh·7q held
- 5William Von Muefflingport3.0%val$20M20,873 sh·7q held
- 6Dodge & Cox Fundsport0.0%val$684K711 sh·7q held
- 7Hillman Capital Managementport0.2%val$330K343 sh·7q held
Owners of BLK also hold
Congress is trading BLK
Congress tracker →- Richard Dean McCormicksold$1,001 - $15,000 · 2026-07-30
- John McGuiresold$1,001 - $15,000 · 2026-07-07
- Richard Dean McCormicksold$1,001 - $15,000 · 2026-06-12
- Richard Dean McCormickbought$1,001 - $15,000 · 2026-03-19
- Shelley M Capitosold$1,001 - $15,000 · 2026-02-10
- Richard Dean McCormickbought$1,001 - $15,000 · 2025-11-05
STOCK Act periodic transaction reports; amounts are disclosed ranges. Who files late →
Recent activity (1)
| Manager | Move | % Port. | Δ Shares | Value | Filed |
|---|---|---|---|---|---|
| William Von Mueffling | TRIM | 3.0% | -95% | $20M | Jul 29, 2026 |
Long US equity 13F-HR filings only. CUSIP 09290D101. Not investment advice.